Document Document Title
US11151537B2 Payment device
A program for running on a processor of a portable payment device is adapted for carrying out a payment interaction and permitting ticket storage in a memory of the portable payment device. The program is configured to interact with an access point and includes a set of instructions, a first code portion and a second code portion. The set of instructions, when executed by the processor, causes the portable payment device to perform the steps of: responsive to a first message from said access point, executing the first code portion; and responsive to a second message from the access point, executing the second code portion. The first code portion includes first instructions corresponding to the payment interaction. The second code portion includes instructions corresponding to the payment interaction and second instructions corresponding to the ticket interaction.
US11151520B1 System, method, and computer program for network experience optimization using a home network router
As described herein, a system, method, and computer program are provided for network experience optimization using a residential network router. In use, an electronic calendar is accessed by a residential network router. Additionally, the residential network router determines a plurality of events saved to the electronic calendar, wherein the plurality of events require, at least in part, simultaneous network resource (e.g. bandwidth) usage. Further, the plurality of events are prioritized, using the residential network router. Still yet, available network resources are assigned among the plurality of events, using the residential network router, based on the prioritization.
US11151517B2 Method to determine, remind and validate medication usage
A method, system, and computer product for prompting a patient to take a medicine including collecting medicine prescription information associated with a patient, collecting medicine usage data associated with the patient, comparing the medicine usage data with the medicine prescription information, determining whether a medicine is taken by the patient as prescribed in the prescription information based on a comparison result of the medicine usage data and the prescription information, and generating one or more control signals to interrupt operations of one or more devices within an environment of the patient or environments of the patient's family member or caregivers, in response to determining that the medicine is not taken as prescribed.
US11151512B2 Interlocking blockchains for aircraft part history and current aircraft configuration
A method and apparatus for recording information for a part, such as history information for an aircraft part. A part history blockchain network comprises part history blockchains for the part that are configured to record the information for the part. Configuration and activity history information for the vehicle is recorded in vehicle configuration and activity history blockchains for the vehicle in a vehicle configuration and activity history blockchain network. A part installation notification is received by the part history blockchain network. The part installation notification identifies the part and indicates that the part is installed on the vehicle. The part history blockchains for the part are locked in response to receiving the part installation notification to prevent adding information for the part to the part history blockchains for the part for as long as the part is installed on the vehicle.
US11151499B2 Discovering linkages between changes and incidents in information technology systems
A method comprises obtaining, from a service management database, one or more change tickets and one or more incident tickets relating to an information technology infrastructure, extracting, from the change tickets and the incident tickets, one or more dimensions indicating potential causality between one or more changes and one or more incidents, identifying configuration items of the information technology infrastructure associated with the one or more changes and the one or more incidents, defining one or more linkages between the one or more changes and the one or more incidents, storing, in the service management database, the defined linkages, building a risk assessment model using the defined linkages, and monitoring subsequent changes to the information technology infrastructure using the risk assessment model.
US11151498B2 Systems and/or methods for providing enhanced control over and visibility into workflows where potentially sensitive data is processed by different operators, regardless of current workflow task owner
Certain example embodiments relate to systems and/or methods for providing enhanced control over potentially sensitive data sharable among and/or between different parties. For example, certain example embodiments provide views into computer-enabled workflows managed by external parties, including views into what sensitive data has been accessed, who has accessed it, etc., e.g., throughout the lifecycle of a product granted on the basis of an analysis of such data. A computer-enabled system for automatically assessing received sensitive data in accordance with one or more digitized rule sets also is provided in certain example embodiments, as are computer-mediated tools for helping to automatically, semi-automatically, and/or manually resolve issues detected in the assessments, e.g., via enhanced communication and collaboration, among and/or between parties to a transaction, as well as third-parties who indirectly are involved in the transaction. The data remains secure and traceable, e.g., in accordance with its provider's specifications.
US11151495B2 Method and system for facilitating shared use of a shared use facility
There is described a method of facilitating shared use by multiple users of one or more shared use facilities. Each shared use facility comprises equipment for shared use by the multiple users. The method comprises: receiving at a control system an equipment use request from a particular one of the multiple users, the equipment use request identifying equipment desired for use (“identified equipment”); accessing by the control system an equipment reservation record identifying when equipment is reserved for use by one or more of the multiple users; validating by the control system the equipment use request based on the equipment reservation record and the equipment use request; transmitting, in response to validating the equipment use request, an activation instruction from the control system, wherein the activation instruction is for modifying an operating state of the identified equipment from a first operating state, in which the identified equipment is disabled for use, to a second operating state, in which the identified equipment is enabled for use.
US11151485B2 Farming data collection and exchange system
Embodiments of the present invention provide a passive relay device for farming vehicles and implements, as well as an online farming data exchange, which together enable capturing, processing and sharing farming operation data generated during combined use of the farming vehicle and farming implement at a farming business. The farming operation data includes detailed information about individual farming operations, including without limitation the type of farming operation, the location of the farming operation, the travel path for the farming operation, as well as operating parameters and operating events occurring while the farming operation is performed.
US11151483B2 System and a method for assessing data for analytics
A System and a Method for Assessing Data for Analytics A system and a method for assessing readiness of data for data science and analytics is disclosed. The present invention quantifies readiness of data by providing a data insight quotient (DIQ). In particular, a nucleus of a dataset retrieved from an enterprise database is derived. The dataset is representative of data collected for a predefined objective over a period of time and includes a plurality of features and records. Further, a plurality of time-ordered datasets are generated by dividing the retrieved dataset based on a selected time series. A nucleus is derived for each of the time-ordered dataset. Furthermore, relevancy and redundancy of each of the plurality of time-ordered datasets is evaluated. The present invention, further computes the complexity and noise associated with each of the time-ordered datasets. Finally, a DIQ value for each time-ordered dataset is evaluated as a function of relevancy, complexity, noise and redundancy.
US11151482B2 Identifying unassigned passengers for autonomous vehicles
Aspects of the disclosure provide systems and methods for confirming the identity of a passenger and changing destination of a vehicle. This may include receiving dispatching instructions to pick up a first passenger at a pickup location and to drop off the first passenger at a first destination as well as authentication information for authenticating a first client computing device of the first passenger. Once the client device is authenticated and a second passenger enters the vehicle, the vehicle is maneuvered towards the first destination. While doing so, a location of the vehicle is compared to location information received from the client computing devices. A notification is sent to a dispatching server based on the comparison and a second destination location is received in response. The vehicle is then maneuvered towards the second destination instead of the first destination.
US11151479B2 Automated computer-based model development, deployment, and management
Computer-based models can be developed, deployed, and managed in an automated manner. For example, a model building tool can be selected based on the model building tool being compatible with one or more parameters. A first machine-learning model can be generated using the model building tool and trained using a training dataset. The first machine-learning model can then be used to perform a task. Thereafter, a new model-building tool can be selected based on the new model-building tool being compatible with the one or more parameters. A second machine-learning model can be generated using the new model-building tool and trained using the training dataset. The accuracy of the first machine-learning model can be compared to the accuracy of the second machine-learning model. Based on the second machine-learning model being more accurate, the second machine-learning model can be used to perform the particular task rather than the first machine-learning model.
US11151478B2 Enhanced learning with feedback loop for machine reading comprehension models
The present disclosure provides an approach for training a machine learning model by first training the model on a generic dataset and then iteratively training the model on “easy” domain specific training data before moving on to “difficult” domain specific training data. Inputs of a domain-specific dataset are run on the generically-trained model to determine which inputs generate an accuracy score above a threshold. The inputs with an accuracy score above a threshold are used to retrain the model, along with the corresponding outputs. The retraining continues until all domain specific dataset has been used to train the model, or until no remaining inputs of the domain specific dataset generate an accuracy score, when run on the model, that is above a threshold.
US11151475B2 Method and device for generating a machine learning system and virtual sensor device
A method for automatically generating a machine learning system which ascertains as a function of an input variable time series an output variable time series approximating an actual output variable time series, the machine learning system ascertaining a value of the output variable assigned to the predefinable point in time as a function of input and output variable values at the points in time, which are in a predefinable time interval, prior to a predefinable point in time, only a subset of the values of the input variable within the interval and of the values of the output variable being incorporated when ascertaining the output variable assigned to the predefinable point in time, the subset being selected so that it includes available input variable values and the output variable values assigned to the points in time within the interval, which are in a predefinable equidistant selection raster within the interval.
US11151464B2 Forecasting data based on hidden cycle evidence
An approach is provided in which an information handing system determines a hidden cycle of hidden evidence based on one of multiple signals in a frequency-based representation of source evidence. The information handling system extrapolates the hidden evidence to create a forecast data set and, in turn, utilizes the forecast data set to process a request.
US11151457B1 Predictor generation genetic algorithm
A method of generating predictor rules using a genetic algorithm for predicting at least one target event associated with a given entity, the entity having a combination of an entity type and one or more attributes. The method comprises partitioning records data into a model generation set and a model testing set. A first generation of predictor rules is determined using the records in the model generation set, and subsequent generations are constructed by iteratively identifying a first subset of predictor rules based on a precision measure of each predictor rule and identifying a second subset of predictor rules based on a recall measure of each predictor rule and generating the subsequent generation by OR combining the predictor rules of the first subset and by AND combining the predictor rules of the second subset. Construction of the predictor rule population is terminated in response to a termination criteria being met.
US11151452B2 Systems and methods for legal document generation
A system is configured to receive first training data, train a first neural network (NN) based on the first training data, receive second training data, train a second NN based on the second training data, receive a first plain English phrase, provide the first plain English phrase to the first NN, generate, via the first NN, one or more first legal clauses based on the first plain English phrase, receive a second plain English phrase, provide the second plain English phrase to the first NN, generate, via the first NN, one or more second legal clauses based on the second plain English phrase, provide the one or more first legal clauses and the one or more second legal clauses to the second NN, and generate, via the second NN, a legal document based on the one or more first legal clauses and the one or more second legal clauses.
US11151448B2 Location tagging for visual data of places using deep learning
A method, computer system, and a computer program product for generating a location tag for a piece of visual data using deep learning is provided. The present invention may include receiving the piece of visual data. The present invention may also include analyzing the received piece of visual data using a neural network. The present invention may then include retrieving a location for the analyzed piece of visual data from the neural network. The present invention may further include generating a plurality of metadata for the retrieved location associated with the analyzed piece of visual data, wherein the generated plurality of metadata includes the location tag.
US11151445B2 Neural network processor with a window expander circuit
Neural network processors including a window expander circuit and related methods are provided. The window expander circuit may include a first logic circuit configured to store a set of data elements, corresponding to at least a subset of the input data, into a Q number of logical memories, where each of a P number of data elements of the set of the data elements is stored in each of the Q number of logical memories. The window expander circuit may further include a second logic circuit configured to receive the first set of data elements and additional data elements corresponding to the at least the subset of the input data from the Q number of logical memories and expand the at least the subset of the input data until the at least the subset of the input data is expanded based on a predetermined factor.
US11151441B2 System and method for spontaneous machine learning and feature extraction
Embodiments of the present invention provide an artificial neural network system for improved machine learning, feature pattern extraction and output labeling. The system comprises a first spiking neural network and a second spiking neural network. The first spiking neural network is configured to spontaneously learn complex, temporally overlapping features arising in an input pattern stream. Competitive learning is implemented as Spike Timing Dependent Plasticity with lateral inhibition in the first spiking neural network. The second spiking neural network is connected with the first spiking neural network through dynamic synapses, and is trained to interpret and label the output data of the first spiking neural network. Additionally, the output of the second spiking neural network is transmitted to a computing device, such as a CPU for post processing.
US11151440B2 Neural response human detector
Aspects provide human detector devices based on neuronal response, wherein the devices are configured to obtain electroencephalogram signals from an entity during a presentation of first sensory information to the entity, and compares the obtained electroencephalogram signals to each of a plurality of trained electroencephalogram signal profile portions that are labeled as the first sensory information that represent electroencephalogram signals most commonly generated by different persons as a function of presentation to the persons of sensory information corresponding to the first sensory information. Thus, the configured processor determines whether the entity is a human as a function of a strength of match of the obtained electroencephalogram signals to ones of the trained electroencephalogram signal profile portions labeled as first sensory information that have highest most-common weightings.
US11151439B2 Computing in-memory system and method based on skyrmion racetrack memory
A computing in-memory system and computing in-memory method based on a skyrmion race memory are provided. The system comprises a circuit architecture of SRM-CIM. The circuit architecture of the SRM-CIM comprises a row decoder, a column decoder, a voltage-driven, a storage array, a modified sensor circuit, a counter Bit-counter and a mode controller. The voltage-driven includes two NMOSs, and the two NMOSs are respectively connected with a selector MUX. The modified sensor circuit compares the resistance between a first node to a second node and a third node to a fourth node by using a pre-charge sense amplifier. The storage array is composed of the skyrmion racetrack memories. The computing in-memory architecture is designed by utilizing the skyrmion racetrack memory, so that storage is realized in the memory, and computing operation can be carried out in the memory.
US11151426B2 System and method for clustering products by combining attribute data with image recognition
Systems, methods, and computer-readable storage media for categorizing items based on attributes of the item and a shape of the item, where the shape of the item is determined from an image of the item. An exemplary system configured as disclosed herein can receive a request to categorize an item, the item having a plurality of attributes, and receive an image of the item. The system can identify, via a processor configured to perform image processing, a shape of the item based on the image, and transform the plurality of attributes and the shape of the item, into a plurality of quantifiable values. The system can then categorize the item based on the quantifiable values.
US11151424B2 System and method for 3D blob classification and transmission
Embodiments described herein provide an apparatus comprising a processor to project and accumulate three-dimensional (3D) point data from a blob onto a plane; construct a histogram of the 3D point data; identify a center of mass of the blob based on histogram data; surround peaks in coordinates for data in the blob with a shape defined by a diameter of the blob based on the center of mass; obtain height data for the 3D point data; and calculate dimensions for a bounding box to surround the blob based on the shape and the height data. Other embodiments may be described and claimed.
US11151422B2 Empty container identification method and system
Empty container identification method and system are disclosed. The method includes: obtaining customs declaration information, and finding out an vehicle declared as an empty container or an empty vehicle from the customs declaration information; performing X-ray inspection on the vehicle to acquire a transmission image of the vehicle; inputting the transmission image into an empty container identification model obtained by pre-training, so that the empty container identification model determines candidate regions of the transmission image, and performs post-processing analysis on the candidate regions to obtain an image identification result; and comparing the image identification result with the corresponding customs declaration information to determine whether or not the image identification result is consistent with the customs declaration information.
US11151412B2 Systems and methods for determining actions performed by objects within images
A system for determining an action performed within an input image includes a memory to store one or more instructions, and a processor communicatively coupled to the memory, and configured to execute the one or more instructions in the memory. The processor employs a convolutional neural network (CNN) that includes a predefined number of initial stages for extracting one or more significant features corresponding to the input image, wherein each initial stage includes a first layer, and a residual block, and wherein the first layer is selected from a group consisting of a convolution layer, a max pooling layer, and an average pooling layer. The CNN includes a final stage for classifying the extracted significant features into one or more predefined classes, wherein the final stage is formed of a global average pooling layer, and a dense layer.
US11151411B2 Method and electronic device for providing text-related image
An artificial intelligence (AI) system for simulating functions such as recognition, determination, and so forth of human brains by using a mechanical learning algorithm like deep learning, or the like, and an application thereof is provided. A method of providing a text-related image is provided. The method includes obtaining a text, determining at least one image related to the obtained text based on a degree of relatedness between a result of applying a first AI data recognition model to the obtained text and a result of applying a second AI data recognition model to a user-accessible image, and displaying the determined at least one image to a user.
US11151395B2 Roadside object detection device, roadside object detection method, and roadside object detection system
The roadside object detection device, roadside object detection method, and roadside object detection system according to the present invention make it possible to accurately detect roadside objects by: determining a first feature value regarding positional relationship between a host vehicle and a roadside object candidate and a second feature value regarding a height of the roadside object candidate, based on external environment information acquired by an external environment recognition unit; determining a height-related threshold for identifying the roadside object candidate as a roadside object, based on the first feature value; and identifying the roadside object candidate as a roadside object when the second feature value exceeds the threshold.
US11151393B2 Feature matching and corresponding refinement and 3D submap position refinement system and method for centimeter precision localization using camera-based submap and LiDAR-based global map
A method of localization for a non-transitory computer readable storage medium storing one or more programs is disclosed. The one or more programs comprise instructions, which when executed by a computing device, cause the computing device to perform by one or more autonomous vehicle driving modules execution of processing of images from a camera and data from a LiDAR using the following steps comprising: computing, in response to features from a 3D submap and features from a global map, matching score between corresponding features of a same class between the 3D submap and the global map; selecting, for each feature in the 3D submap, a corresponding feature with the highest matching score from the global map; determining a feature correspondence to be invalid if a distance between corresponding features is larger than a threshold; and removing the invalid feature correspondence.
US11151385B2 System and method for detecting deception in an audio-video response of a user
A method for (of) detecting deception in an Audio-Video response of a user, using a server, in a distributed computing architecture, characterized in that the method including: enabling an Audio-Video connection with a user device upon receiving a request from a user; obtaining, from the user device, an Audio-Video response of the user corresponding to a first set of questions that are provided to the user by the server; extracting audio signals and video signals from the Audio-Video response; detecting an activity of the user by determining a plurality of Natural Language Processing (NLP) features from the extracted audio signals by (i) performing a speech to text translation and (ii) extracting the plurality of NLP features from the translated text, and determining a plurality of speech features from the extracted audio signals by (i) splitting the extracted audio signals into a plurality of short interval audio signals and (ii) extracting the plurality of speech features from the plurality of short interval audio signals; aggregating (i) the plurality of NLP features to obtain a plurality of temporal NLP features and (ii) the plurality of speech features to obtain a plurality of temporal speech features; aggregating the plurality of temporal NLP features and the plurality of temporal speech features to obtain first temporal aggregated features; detecting a plurality of micro-expressions of the user by splitting extracted video signals into a plurality of short fixed-duration video signals, detecting a plurality of Region Of Interest (ROI) in the plurality of short fixed-duration video signals, and comparing the plurality of detected ROI with video signals annotated with micro-expression labels that are stored in a database to detect the plurality of micro-expressions of the user in the plurality of short fixed-duration video signals; tracking and determining a gesture of the user from the extracted video signals; aggregating the plurality of micro-expressions and the gesture of the user to obtain second temporal aggregated features; aggregating the first temporal aggregated features and the second temporal aggregated features to obtain final temporal aggregated features; and detecting, using a machine learning model, a deception in the Audio-Video response based on the final temporal aggregated features.
US11151378B2 Systems and methods for analyzing remote sensing imagery
Disclosed systems and methods relate to remote sensing, deep learning, and object detection. Some embodiments relate to machine learning for object detection, which includes, for example, identifying a class of pixel in a target image and generating a label image based on a parameter set. Other embodiments relate to machine learning for geometry extraction, which includes, for example, determining heights of one or more regions in a target image and determining a geometric object property in a target image. Yet other embodiments relate to machine learning for alignment, which includes, for example, aligning images via direct or indirect estimation of transformation parameters.
US11151370B2 Text wrap detection
In implementations of text wrap detection, one or more computing devices of a system implement a text wrap module for detecting text wrap around a component of digital content of a document. The document is preprocessed to segregate the digital content into a text group and a non-text group. Members of the text group are overlaid with a graphical element colored to provide a contrast between the graphical element and the component of the digital content. The document is converted to a digital image and a feature map of the digital image is generated. The feature map is further processed using machine learning and a detection indication is output. The detection indication may indicate that text wrap is detected around a member of the text group, a member of the non-text group, or that no text wrap is detected.
US11151368B2 Image generation apparatus, image generation method, and storage medium
The technique of the present disclosure is capable of improving the character recognition accuracy of character recognition processing on an image to be printed. Provided is an image generation apparatus having: at least one memory that stores a program; and at least one processor that executes the program to perform: making a change for character recognition processing to at least one of a print setting for print data representing a print target image and intermediate data generated from the print data; and rendering intermediate data generated from the print data on a basis of the print setting to which the change for the character recognition processing has been made, or rendering the intermediate data to which the change for the character recognition processing has been made to thereby generate image data suitable for the character recognition processing.
US11151364B2 Video image overlay of an event performance
Systems and methods for overlaying video segments of actions of audience members with video segments of an event performer are described. A computer implemented method includes: identifying, by a computer device, an event performer in video content; identifying, by the computer device, an audience member in the video content that has a social network relationship to the event performer; correlating, by the computer device, an action of the event performer in the video content to an action of the audience member in the video content; and generating, by the computer device, a composite image comprising an image of the action of the event performer and an image of the action of the audience member.
US11151362B2 System and method for first impression analysis and face morphing by adjusting facial landmarks using faces scored for plural perceptive traits
A system receives an input comprising an image of a face of a person and determines landmarks on the face, indicating properties of predetermined anatomical portions of the face, by analyzing the image using a set of image processing and deep learning algorithms. The system compares the landmarks to a model generated based on faces scored for a plurality of perceptive traits through scientifically validated surveys by people. The system determines, using the model, a score for each of the plurality of perceptive traits for the face based on the comparison. The system determines, using the model, a first impression for the face collectively based on the scores for all of the perceptive traits determined by the model for the face. The system provides an output comprising the first impression and the scores for the perceptive traits determined by the model for the face.
US11151357B2 Electronic apparatus for object recognition and control method thereof
An electronic apparatus is disclosed. The electronic apparatus includes a sensor, a camera, a memory, a camera and a processor. The memory stores a plurality of artificial intelligence models trained to identify objects and stores information on a map. The first processor provides, to the second processor, area information on an area in which the electronic apparatus is determined, based on sensing data obtained from the sensor, to be located, from among a plurality of areas included in the map. The second processor loads at least one artificial intelligence model of the plurality of artificial intelligence models to the volatile memory based on the area information and identifies an object by inputting the image obtained through the camera to the loaded artificial intelligence model.
US11151350B2 Electronic device and method of registering fingerprint in electronic device
An electronic device includes: a fingerprint input unit located in one area of the electronic device to receive a fingerprint of a user; and a controller configured to control a display unit to display information on a fingerprint registration progress situation in correspondence to a plurality of fingerprints that are sequentially input to the fingerprint input unit, determine whether a fingerprint of the user is to be registered according to the fingerprint registration progress situation information, and register a fingerprint of the user by using at least some of the plurality of fingerprints. A fingerprint registration progress situation can be identified when a fingerprint is registered.
US11151343B2 Reading optical codes
A method of reading optical codes is specified in which an image sensor having at least one pixel element detects image information in a reading zone and in which the image information is evaluated to read a code in the reading zone. The image sensor is an event-based image sensor here.
US11151337B2 Low loss acoustic wave sensors and tags and high efficiency antennas and methods for remote activation thereof
Enhanced surface acoustic wave (SAW) sensors and SAW sensor-tag wireless interface devices, including low loss devices, devices that enable enhanced use of time diversity for device identification, and devices suitable for use in band-limited environments (such as ISM band) and for use in ultra-wideband applications are disclosed. Antennas for use with both SAW sensors and/or tags, and wireless transceiver systems also are disclosed, including antennas suitable for operation in conductive media and in highly metallic environments, said antennas being used to activate and read said SAW sensors and/or tags. SAW sensors and sensor-tags and related methods for measuring scaled voltage and current in electrical conductors via measurements of the electric and magnetic fields thereof are disclosed.
US11151334B2 Systems and methods for multilingual text generation field
In at least one broad aspect, described herein are systems and methods in which a latent representation shared between two languages is built and/or accessed, and then leveraged for the purpose of text generation in both languages. Neural text generation techniques are applied to facilitate text generation, and in particular the generation of sentences (i.e., sequences of words or subwords) in both languages, in at least some embodiments.
US11151330B2 Dynamic management of relative time references in documents
A method, computer system, and computer program product for accessing documents is provided. The method includes providing a document having one or more original time references having corresponding meanings depending on one or more time bases, identifying the original time references in the document, generating corresponding time artifacts for the original time references, the time artifacts including corresponding time values being calculated from the corresponding original time references according to the time bases and/or corresponding calculation instructions for calculating the corresponding time values from the corresponding original time references according to the time bases, and associating the corresponding time artifacts with the original time references for outputting the corresponding time values.
US11151327B2 Autonomous detection of compound issue requests in an issue tracking system
An issue tracking system configured to determine whether an issue request submitted by a user of the issue tracking system can, or should, be subdivided into two or more issue requests. In some implementations, the issue tracking system is configured to extract a content item of the issue request (e.g., title, description, and the like) in order to perform a semantic and/or syntactic analysis of that content item. Upon determining that the content item includes two or more clauses linked by a coordinating, subordinating, or correlative conjunction, the system can provide a recommendation to the user to submit discrete two or more issue requests, each one of which corresponds to a single linked clause of the content item.
US11151322B2 Computer-implemented method, system and computer program product for providing an application interface
A computer-implemented method is provided for providing an interface between a frontend application configured to receive one or more user inputs in a natural language and a backend system configured to provide a service to a user. The method may comprise: receiving a text input in the natural language via the frontend application; performing computation using the received text input and a neural network, the neural network comprising: a convolutional layer configured to generate feature values by applying one or more filters to an input matrix obtained from the received text input, each of the one or more filters having a window size corresponding to one or more words contained in the text input; one or more long short-term memory, LSTM, layers configured to generate output values by processing at least a part of the feature values generated by the convolutional layer; and an output layer configured to generate an output vector based on the output values generated by the one or more LSTM layers, the output vector representing an action to be performed by the backend system in response to the received text input; identifying the action represented by the output vector generated as a result of the computation; communicating the identified action to the backend system for the backend system to perform the identified action; and providing the frontend application with a text output in the natural language based on the identified action.
US11151320B1 Labeled knowledge graph based priming of a natural language model providing user access to programmatic functionality through natural language input
A natural language model can be primed utilizing optimized examples generated from a labeled knowledge graph corresponding to an independently developed application program. Parsing of the labeled knowledge graph can include the identification of triples, comprising a source node, a destination node, and a link between them, each of which can be labeled. One or more natural language input examples can be generated from an individual triple by concatenating the natural language words or phrases utilized to label the source node in the link. Determinations that subsequently received natural language user input is similar to the generated examples can result in an identification of the triple, which can, in turn, trigger the performance of a function associated with the destination node of the triple. Labels can include preferred labels and alternative labels, and various permutations thereof can be concatenated to generate alternative natural language input examples.
US11151319B2 Method, program, and information processing apparatus for presenting correction candidates in voice input system
A correction candidate presentation method performed by a computer for a voice input system is disclosed. The method includes: displaying, on a display screen, a plurality of word blocks generated by using morphological analysis from a character string obtained by speech recognition and keys each assigned to a corresponding one of the plurality of word blocks; accepting input of a first key of the keys that are displayed; identifying a first word block corresponding to the first key whose input has been accepted; and presenting, on the display screen, correction candidates of at least one word block among the identified first word block and a second word block including the first word block and a word block that is adjacent to the first word block.
US11151318B2 System and method for detecting undesirable and potentially harmful online behavior
Embodiments include computer-implemented methods and systems for detecting undesirable and potentially harmful online behavior. The embodiments described and claimed could also be applied to detecting any other type of online behavior to be detected, but the descriptions focuses on detecting online violence. More particularly, the embodiments disclosed relate to detecting online violence using symbolic methods of natural language processing (NLP) that utilize and govern the usage of: 1) syntactic parser for analyzing grammatical context of the input text data, 2) unsupervised learning methods for improving selected aspects of the system and adjusting the system to new data sources and guidelines, and 3) statistical classifiers for resolving specific well-defined sub-tasks, in which statistical approaches surpass the symbolic methods.
US11151307B2 Mapping annotations to ranges of text across documents
An annotation corresponding to a first range of text of a first document may be received. Based on the annotation, comparisons may be performed between a text string that comprises the first range of text and a group of text of a second document at different positions in the group of text. Based on the comparisons, similarity scores between the text string and the group of text may be determined at the different positions in the group of text. A position for the annotation in the group of text may be selected based on the similarity scores at the different positions. The annotation may be associated with a second range of text in the group of text that corresponds to the position.
US11151302B2 Mobile device and method
A mobile device comprises a display and a processor. The processor is configured to: intercept information sent from an application, to be displayed on the display; identify an information entity in the intercepted information, comprised in a predefined set of information entity types; reformat appearance of the identified information entity to be displayed on the display; forward the intercepted information including the reformatted appearance of the identified information entity to be displayed on the display. The display is configured to: present the identified information entity with the reformatted appearance to the user of the mobile device. Also a corresponding method is disclosed.
US11151301B2 Point-to-point module connection interface for integrated circuit generation
Systems and methods are disclosed for generation and testing of integrated circuit designs with point-to-point connections between modules. These may allow for the rapid design and testing (e.g. silicon testing) of processors and SoCs. For example, type parameterization may be used to generate point-to-point connections in a flexible manner. For example, a point-to-point connection between the source module and the sink module that includes one or more named wires specified by bundle type may be automatically generated based on using the bundle type as a type parameterization input. For example, these system and methods may be used to rapidly connect a custom processor design, including one or more IP cores, to a standard input/output shell for a SoC design to facilitate rapid silicon testing of the custom processor design.
US11151300B2 Integrated routing assembly and system using same
A routing assembly for an electronic device has a plurality of connectors ports and each of the connector ports contains a first connector connected to one or more cables. Cables are directly terminated, at first ends thereof, to terminals of the first connectors and the cables can be embedded in a routing substrate. The routing substrate has an opening which accommodates a chip package. Second ends of the cables are terminated to second connectors arranged in the package opening and the second connectors are in turn connected to third connectors that are connected to the chip package.
US11151296B2 Memory cell array circuit
A memory cell array includes a first column of memory cells, a second column of memory cells, a first bit line, a second bit line and a source line. The second column of memory cells is separated from the first column of memory cells in a first direction. The first column of memory cells and the second column of memory cells are arranged in a second direction. The first bit line is coupled to the first column of memory cells, and extends in the second direction. The second bit line is coupled to the second column of memory cells, and extends in the second direction. The source line extends in the second direction, is coupled to the first column of memory cells and the second column of memory cells.
US11151289B2 Non-rewritable code comparators with memristors and serial resistors
Systems and methods for providing a non-rewritable code comparator using a memristor and a serial resistor are disclosed. An example apparatus comprises: a plurality of first terminals; a plurality of second terminals; and a plurality of two-terminal device pairs formed between the plurality of first terminals and the plurality of second terminals. Each two-terminal device pair in the plurality of two-terminal device pairs include at least one memristor and at least one resistor; each two-terminal device pair is configured to be switched to a subsequent state once and only once. In some implementations, a two-terminal device pair is configured to remain in the subsequent state regardless of whether an input signal to the apparatus matches a reference signal to the apparatus.
US11151286B2 Computer device and method for managing privilege delegation
Privilege delegation in a computer device is managed by invoking a utility by a first user account. A requested command is captured by an agent plugin which is provided as a plugin to the utility. The agent plugin sends a request message to an agent, which determines an outcome for the requested command including allowing or blocking. If allowed, a reply message from the agent instructs the agent plugin to provide command information to the utility to run the requested command by the operating system with delegated privileges of the second user account. The agent plugin can also be instructed to perform custom messaging, or passively handle the requested command via a child plugin.
US11151285B2 Detecting sensitive data exposure via logging
A method for controlling exposure of sensitive data though a logging system is provided. The method comprises: upon receiving a request by the request handler, determining sensitive data as part of the request by applying a rule, converting the data into a transformed format, and registering the data together with a related data field label with a log handler. Then, upon receiving by the log handler a log entry, converting each expression of the log entry into the transformed format, and comparing each transformed expression with each of the sensitive data in the transformed format. Upon determining a match of one of the transformed expressions with one of the sensitive data in the transformed format, the method comprises issuing an alert indicating that the log entry comprises sensitive data.
US11151278B1 Electronic briefcases for inmate documents
Some implementations disclosed herein provide systems and methods that use an inmate-accessible electronic briefcase to facilitate an inmate's organization of significant content. Electronic documents are created and stored in an organized document storage area that may be accessed while the inmates are incarcerated and after the inmates are released.
US11151276B1 Systems and methods for data certificate notarization utilizing bridging from private blockchain to public blockchain
One embodiment disclosed relates to a system for managing data for logistics, sourcing and/or production. The system includes: a private blockchain maintained by a first network of nodes; a trusted public blockchain maintained by a second network of nodes; a private agent system; and a bridge system connected to both the private blockchain and the public blockchain. The private agent system operates to extract blocks of metadata from the private blockchain and utilize a hash tree structure to generate a first root hash value from the blocks of metadata. The bridge system operates to verify the first root hash value and store the first root hash value as a notarized data certificate in the trusted public blockchain. Another embodiment disclosed relates to a method for data certificate notarization utilizing a bridging system from a private blockchain to a trusted public blockchain. Other embodiments and features are also disclosed.
US11151274B2 Enhanced computer objects security
A computer-implemented method for providing new data object metadata, and by enhancing the scope of OS functionality, block the exfiltration and corruption of data (including ransomware) by cybercriminals and insiders.
US11151272B2 Monitoring usage of an application to identify characteristics and trigger security control
A computing environment for monitoring usage of an application to identify characteristics and trigger security control includes an application system that performs a query configured to identify any application calls performed in a predetermined period of time within the computing environment; for each identified application call, builds a corresponding application characteristics entry in a database; for each identified application call, identifies a plurality of characteristics of the called application including at least one downstream resource; associates the identified plurality of characteristics with the application characteristics entry in the database, thereby creating an application mapping; identifies security controls associated with each of the applications in the application mapping; associates the identified security controls with the associated application characteristics entry in the application mapping; and automatically triggers assessment of an effectiveness of the security controls in response to identifying a future application call.
US11151269B2 Regulation-compliant processing of queries and storing of data in an on-demand environment
In accordance with embodiments, there are provided mechanisms and methods for facilitating regulation-compliant processing of queries in an on-demand services environment according to one embodiment. In one embodiment and by way of example, a method includes receiving a query having first information not permitted to be stored per a regulation and second information permitted to be stored, and parameterizing the query into a parameterized query to replace the first information with parameters, where the first information includes data types. The method further includes annotating the parameters with decisions based on data properties correspondingly associated with the data types being represented by the parameters, and generating a final query based on the annotated parameters such that the final query is capable of being executed based on the annotated parameters and without storing the first information.
US11151266B2 Secure data storage and access during transition operations
A technique for secure data storage and access during transition operations includes retrieving an encrypted instance of a data object from a data store. The retrieved encrypted instance of the data object is stored in a cryptcache. The encrypted instance in the cryptcache is decrypted to a cleartext instance of the data object and stored as the cleartext instance of the data object in a clearcache. The clearcache instance of the data object is secured by controlling an access window defining an amount of time the cleartext instance of the data object is accessible in the clearcache.
US11151264B2 Method and system for controlling access to a multi-tenant database system using a virtual portal
In accordance with embodiments, there are provided mechanisms and methods for controlling access to a multi-tenant database system using a virtual portal. These mechanisms and methods for controlling access to a multi-tenant database system using a virtual portal can enable embodiments to provide great flexibility to a tenant of the architecture to select the content that may be perceived by the tenant users while allowing the owner of the architecture control over the content.
US11151248B1 Increasing zero-day malware detection throughput on files attached to emails
There is provided a method which forwards an anomaly to cloud based malware analysis and detection system in order to analyze files having this anomaly and increase zero-day malware detection throughput for files attached to emails. The method takes data from a binary file for calculating the true file type and the file extension, then applies a contradiction check to control whether the file extension seen in a file name is consistent with the file type. The file of the attachment is forwarded to a zero-day malware analysis queue, implementing zero-day malware classification, if the file extension is not reflecting the true file type. If the file extension and the true file type are consistent, the method forwards the file of the attachment to a malware analysis and detection queue, implementing traditional unknown file classification.
US11151246B2 Risk score generation with dynamic aggregation of indicators of compromise across multiple categories
A method in an illustrative embodiment comprises receiving a plurality of indicators relating to an entity of a computer network, arranging the indicators in a plurality of categories of increasing risk, assigning weights to the indicators in the categories as a function of the number of categories and the number of indicators in each category, generating a risk score for the indicators based at least in part on the assigned weights, and initiating at least one automated action relating to the entity of the computer network based at least in part on the risk score. The risk score generation is configured such that a weighted contribution to the risk score of indicators in a relatively low one of the categories decreases as a number of indicators in a relatively high one of the categories increases. Similarly, a weighted contribution to the risk score of indicators in a relatively low one of the categories increases as a number of indicators in a relatively high one of the categories decreases.
US11151244B2 Software container profiling
A method in a computer system having an operating system providing isolation between software processes executable in the operating system such that a first process executing in the operating system is prevented from accessing resources of a second process executing in the operating system, the method including receiving a software component for execution as an isolated process in the operating system; receiving a baseline profile for the software component defining one or more characteristics of the software component at a runtime for identifying performance of the software component; generating a runtime profile of the software component in execution in the operating system defining characteristics of the component in execution; and flagging the software component in execution based on a comparison of the baseline profile and the runtime profile so as to identify an undesirable performance of the software component.
US11151230B2 User authentication using one-time authentication information
An image forming apparatus and a method for authenticating a user using one-time authentication information are provided. The image forming apparatus includes a processor and a memory storing instructions executable by the processor. The processor may execute the instructions to obtain one-time authentication information from a user, authenticate the obtained one-time authentication information by using previously stored one-time authentication information, and display a user interface where a function corresponding to the authenticated one-time authentication information is activated according to a result of the authentication.
US11151226B2 Managing application specific feature rights
A system for modifying application specific feature rights (ASFR) is disclosed herein. The example system can include a file system to store a file, where the file system includes a number of ASFR corresponding to the file, where the number of ASFR designates a client type that is to trigger activation of features indicated by the number of ASFR. The system can include a processor and a computer-readable memory storage device storing executable instructions to be executed by the processor to cause a modifying service implemented on a computing device to perform actions. In an example these actions can include detecting a selection of the file stored in a file system. In an example, the system can also modify the file to indicate the number of ASFR associated with the file. The system can also send the modified file to a first user device.
US11151216B2 Caching of a site model in a hierarchical modeling system for network sites
Disclosed are various embodiments for loading a network site that uses a hierarchical site model. A computing device receives a request to generate a user interface associated with a network site. A caching process is initiated that caches data associated with the network site. A hierarchical site model is retrieved and processed to identify a subset of page models of the network site for generation of the user interface. Once it is determined that one of the subset of page models is stored in the cache, it is retrieved from the cache for generation of the user interface.
US11151209B1 Recommending objects to a user of a social networking system based on the location of the user
A social networking system recommends objects, such as pages, of the social networking system to users of the social networking system based on the location of the user. The social networking system obtains location information identifying the location of the user. Based on the location of the user, the social networking system identifies levels of geographical partitions encompassing the location of the user. For each level of geographical partitions, the social networking system accesses relevant objects of the social networking system with connections to users located within the level of geographical partitions. The social networking system may have determined a term frequency-inverse document frequency (tf-idf) value for each relevant object. Based on the number of connections and the tf-idf value associated with each relevant object, the social networking system merges the relevant objects accessed at each level into a set of relevant objects to recommend to the user.
US11151207B2 Apparatus and method for facilitating a reuse of an asset
Aspects include receiving a search request, comparing at least one term of the search request to a plurality of metadata items, wherein each metadata item of the plurality of metadata items is associated with a respective asset of a plurality of assets, generating a plurality of scores, wherein each score of the plurality of scores is associated with a respective asset included in the plurality of assets, and wherein a value of each score of the plurality of scores is based on an identification of a user, selecting at least one asset of the plurality of assets in accordance with the plurality of scores and in accordance with at least one threshold, providing the at least one asset to a communications device that is associated with the user, and providing at least a portion of a metadata item included in the plurality of metadata items to the communications device.
US11151203B2 Interest embedding vectors
Techniques for generating interest embedding vectors are disclosed. In some embodiments, a system/process/computer program product for generating interest embedding vectors includes aggregating a plurality of web documents associated with one or more entities, wherein the web documents are retrieved from a plurality of online content sources including one or more websites; selecting a plurality of tokens based on processing of the plurality of web documents; and generating embeddings of the selected tokens in an embedding space.
US11151199B2 Query result overlap detection using unique identifiers
A method in one embodiment comprises receiving at least one query from a client device, and distributing the at least one query to a plurality of query engines, wherein each of the plurality of query engines processes the at least one query and generates a partial query result. The plurality of query engines correspond to respective unique identifiers, and the partial query results each include the unique identifier of the query engine that generated the partial query result. The method also comprises determining whether the unique identifier of a given query engine is included with more than one partial query result generated in response to the at least one query, and identifying an error in response to an affirmative determination.
US11151194B2 Data collection and integration system
Disclosed herein are system, method, and computer program product embodiments for providing a data collection and integration system. An embodiment operates by determining that first data and second data retrieved from a first and second data sources are stored in a database. Both the first data and the second data are each categorized, and at least a portion of the first one of the categories includes identical information for both the first data and the second data. On a visual interface, a visual representation of the categorized first data is displayed simultaneously with the categorized second data, including the categorized identical information, and input indicating whether the identical information refers to a same entity is received. The database and the visual interface are updated based on the input.
US11151193B2 Content descriptor
An apparatus, method, system and computer-readable medium are provided for generating one or more descriptors that may potentially be associated with content, such as video or a segment of video. In some embodiments, a teaser for the content may be identified based on contextual similarity between words and/or phrases in the segment and one or more other segments, such as a previous segment. In some embodiments, an optical character recognition (OCR) technique may be applied to the content, such as banners or graphics associated with the content in order to generate or identify OCR'd text or characters. The text/characters may serve as a candidate descriptor(s). In some embodiments, one or more strings of characters or words may be compared with (pre-assigned) tags associated with the content, and if it is determined that the one or more strings or words match the tags within a threshold, the one or more strings or words may serve as a candidate descriptor(s). One or more candidate descriptor identification techniques may be combined.
US11151192B1 Preserving locally stored video data in response to metadata-based search requests on a cloud-based database
A system comprising a capture device and a database. The capture device may be configured to (i) capture video, (ii) perform video analysis to extract metadata corresponding to the captured video, (iii) store the captured video data and (iv) communicate with a wireless device. The database may be configured to (i) generate search results for a user based on the metadata and (ii) provide the user (a) the metadata and (b) the video based on the search results. The metadata may be used to determine license plates present in the video. The database may provide the capture device an interrupt request to preserve a portion of the video based on the search results. The capture device may flag the portion of the video to prevent overwriting the portion of the video in response to the interrupt request.
US11151190B2 Generating playlists using calendar, location and event data
A system and method of generating a playlist includes searching an event database having multiple events stored therein. One of the events is identified as corresponding to a user's interest data. A song database is searched. The song database includes at least one song corresponding to the identified event. A playlist corresponding to the identified event is generated. The playlist includes a list of at least one song corresponding to the identified event and a logical link to a recording of the at least one song. Access to the playlist can then be provided to the user.
US11151187B2 Process to provide audio/video/literature files and/or events/activities, based upon an emoji or icon associated to a personal feeling
The current invention is a recommendation system that translates a user's mood into activities and/or files (music, video, and/or literature) that are personalized. The user selects an icon, emoticon, or emoji, that represents their desired mood and the system matches files and/or events and activities to that desired mood, personalized to each user.
US11151184B2 Method and system for voice based media search
Voice-based input is used to operate a media device and/or to search for media content. Voice input is received by a media device via one or more audio input devices and is translated into a textual representation of the voice input. The textual representation of the voice input is used to search one or more cache mappings between input commands and one or more associated device actions and/or media content queries. One or more natural language processing techniques may be applied to the translated text and the resulting text may be transmitted as a query to a media search service. A media search service returns results comprising one or more content item listings and the results may be presented on a display to a user.
US11151183B2 Processing a request
A method and system for processing a request. Extracted elements of the request are categorized in accordance with an ontology model, thereby generating ontology components assigned to the extracted elements. A knowledge base includes data indicative of solutions for requests. The solutions for requests in the knowledge base are categorized in accordance with the ontology model. Categorizing the elements includes for each element: determining a concept of the element wherein the element is an instance or a class of the determined concept and determining relations between the elements, wherein the ontology components include the determined concepts, instances and relations. The knowledge base is searched using the generated ontology components, thereby identifying solutions for the request. The identified solutions are provided.
US11151180B2 Messaging digest
A method and system. A first interest value is determined. The first interest value is associated with a first combination of one or more concepts derived from one or more word objects extracted from a message on which an action is to be performed. The first interest value is determined to be at least a specified first threshold value and in response, a concept interest dataset is updated. The concept interest dataset prior to being updated includes combinations of at least one concept. Each concept of the at least one concept has been derived from a previous processing of messages. The updated concept interest dataset includes the first combination and a cumulative interest value that encompasses the first interest value.
US11151179B2 Method, apparatus and electronic device for determining knowledge sample data set
Provided are a method, an apparatus and an electronic device for determining a knowledge sample data set, the method includes: acquiring a preset number of SPO triplet formats and source texts; acquiring, according to the SPO triplet formats, n SPO entries corresponding to the SPO triplet formats; searching, in the source texts, m first texts that match the n SPO entries, and generating a first knowledge sample data set; determining k second texts that meet the SPO triplet formats from the m first texts and generating a second knowledge sample data set; generating a target knowledge sample data set according to the first knowledge sample data set and the second knowledge sample data set. In the embodiments, the knowledge sample data set is automatically generated, the volume generation speed is fast, the cost is low, and the data size that can be produced is large, thus meeting the training requirement.
US11151177B2 Search method and apparatus based on artificial intelligence
Embodiments of the present disclosure disclose a search method and apparatus based on artificial intelligence. A specific implementation of the method comprises: acquiring at least one candidate document related to a query sentence; determining a query word vector sequence corresponding to a segmented word sequence of the query sentence, and determining a candidate document word vector sequence corresponding to a segmented word sequence of each candidate document in the at least one candidate document; performing a similarity calculation for each candidate document in the at least one candidate document; selecting, in a descending order of similarities between the candidate document and the query sentence, a preset number of candidate documents from the at least one candidate document as a search result.
US11151176B2 Method and apparatus for processing text information
A method for processing text information is provided, the method including: obtaining text information and extracting text characters contained in the text information; extracting, from the text characters, target characters satisfying a predetermined rule; calculating a filtering index of the text information according to the target characters; and when the filtering index meets a predetermined condition, executing an operation corresponding to the predetermined condition on the text information. In addition, an apparatus for processing text information is further provided. The method and apparatus for processing text information can improve the accuracy and efficiency of filtering out junk text information.
US11151165B2 Data classification using data flow analysis
Described herein is a system and method for utilizing data flow analysis to perform data classification with respect to a source dataset and a generated derived dataset. A flow confidence for a field is calculated using an adaptive algorithm in accordance with the action performed and the derived dataset. An associated derived confidence for a particular tag is calculated in accordance with an associated confidence and the flow confidence. When the associated derived confidence is greater than or equal to a first threshold, the particular tag is copied to the derived dataset. In some embodiments, when the associated derived confidence is less than or equal to a second threshold, the particular tag is not copied to the derived dataset. Otherwise an action to be taken is identified. A response to the action is received and the adaptive algorithm is modified in accordance with the received response.
US11151164B2 Replication group partitioning
Methods and systems for replication group partitioning include analyzing historical workload data for a plurality of data elements to generate one or more transaction patterns and generating a recommended partitioning of the plurality of data elements into one or more replication groups, based on the one or more transaction patterns, that are optimized toward a partitioning goal.
US11151161B2 Data replication and data failover in database systems
Replication and failover of database data is disclosed. A method includes replicating database data stored in a primary deployment such that the database data is further stored in a secondary deployment. The method includes executing one or more updates to the database data at the secondary deployment when the primary deployment is unavailable and propagating the one or more updates to the primary deployment when the primary deployment becomes available again. The method includes executing queries on the database data at the primary deployment when the primary deployment is available.
US11151153B2 Object generation
A system, a method, and a computer program product for generation of an object. A data input is received. The data input is converted into a digital object format. The converted data input includes a mapping indicative of an organization of a plurality of data points in the data input. The converted data input is processed based on the mapping. The processing includes at least one manipulation of at least one data point in the plurality of data points in the data input. The processed data input is transformed into a digital object mass containing at least one instruction and at least one parameter for generating of the object. A representation of the object in a predetermined format is generated based on the transformed processed data.
US11151140B2 Methods and apparatuses for reducing power consumption in a pattern recognition processor
Apparatuses and methods are provided for reducing power consumption in a pattern-recognition processor. A power control circuit may be coupled to a block of programmed state machines to enable selective activation and deactivation of the block during a pattern search. The block may be deactivated if the pattern search is no longer active in that block and activated when needed by the pattern search. Additionally, the block may be deactivated based on an identifier of the data stream being searched. Excess blocks not used for any programmed state machines may be disabled such that they are not refreshed during a memory cycle.
US11151133B2 Computer data distribution architecture
Described are methods, systems and computer readable media for computer data distribution architecture.
US11151127B2 Accelerating transaction deliveries in blockchain networks using acceleration nodes
Using a blockchain transaction acceleration system, a first transaction generated by a first node is sent to an acceleration node in a blockchain, where the first transaction is sent to the acceleration node instead of being sent directly to a second node that is the intended recipient of the first transaction, and where the first node, the second node, and the acceleration node are different nodes. The blockchain transaction acceleration system forwards the transaction from the acceleration node to the second node. The blockchain transaction acceleration system executes the transaction by the second node.
US11151123B2 Offline verification with document filter
An example operation may include one or more of obtaining a machine-readable code from a first document among a set of documents, extracting a probabilistic data structure from the machine-readable code which includes probabilistic hashes accumulated from the set of documents, determining whether a document hash of a second document is included within the probabilistic data structure, and in response to a determination that the document hash is included within the probabilistic data structure, outputting a notification indicating the second document is included in the set of documents.
US11151114B2 Log reader and parser sharing determination in a change data capture environment
Log reader and parser sharing determination in a change data capture environment includes obtaining log record identifiers for a group of data consumers of transaction log file data in transaction log files, identifying a respective restart log position and current log position for each data consumer of the group of data consumers, determining transaction log file distances between the restart log positions and the current log positions of each of one or more pairs of data consumers, calculating resource costs for data consumers of each pair to share a log reader and log parser, determining whether to share a log reader and log parser between any two or more data consumers of the group, and performing processing based on the determining whether to share.
US11151113B2 Adaptive statistical data de-identification based on evolving data streams
A system dynamically changes a data de-identification ruleset applied to a dataset for de-identifying data and comprises at least one processor. The system periodically monitors a dataset derived from data that is de-identified according to a data de-identification ruleset under a set of conditions. The set of conditions for the data de-identification ruleset is evaluated with respect to the monitored data to determine applicability of the data de-identification. One or more rules of the data de-identification ruleset are dynamically changed in response to the evaluation indicating one or more conditions of the set of conditions for the data de-identification ruleset are no longer satisfied. Embodiments of the present invention may further include a method and computer program product for dynamically changing a data de-identification ruleset applied to a dataset for de-identifying data in substantially the same manner described above.
US11151107B2 Alternate states in associative information mining and analysis
Provided are methods, systems, and computer readable media for user interaction with database methods and systems. In an aspect, a user interface can be generated to permit dynamic display generation to view data. The system can comprise a visualization component to dynamically generate one or more visual representations of the data to present in the state space.
US11151106B1 Balanced distribution of items in LSH mapping
Systems and methods are presented for efficient and effective computation of LSH hashing functions for use in various environments, including nearest-neighbor search. A corpus of items is maintained, with each item of the corpus being associated with information identifying one of a plurality of LSH partitions to which the item has been mapped or hashed. In response to an input item, the input item is projected one or more times into an orthoplex inscribed within a multi-dimensional space. For each mapping, a determination is made as to the nearest vertex of the orthoplex to the projected input item in view of determined offsets that provide for balanced distribution, and the LSH partitions associated with the nearest vertex are aggregated and associated with the input item as the input item's LSH partition.
US11151100B2 Performing data quality functions using annotations
A computer-implemented method for performing a data quality function includes receiving, at a data quality function process, at least one record from a source, where the record includes data, semantic annotations and data quality annotations associated with the data in the record. The semantic annotations are attributes that define the data including input format and output format and the data quality annotations are attributes that define data quality rules to be applied to the data. The data quality function process automatically maps the semantic annotations to data quality input fields and to data quality output fields. The data quality function process applies the data quality rules to the data using the data quality annotations to perform a data quality function. The data quality function process performs the data quality function on the data and outputs the data to a destination in a format defined by the data quality output fields.
US11151096B2 Dynamic syntactic affinity group formation in a high-dimensional functional information system
The invention includes methods for algorithmically modifying a representation of a functional system based on functional trajectory signals by electronically representing a systems syntax, wherein the systems syntax comprises a logical data model, electronically constructing a representation of the functional system comprising a graph, based on an input signal algorithmically computing a functional trajectory that assesses magnitude, distance, or paths among at least two nodes, and updating the functional trajectory representing a set of paths through functional locations over time.
US11151094B1 Cluster gateway to multiple filesystems
A system for a cluster gateway to multiple filesystems comprises a cluster interface, a target filesystem, a command tailor, and a filesystem interface. The cluster interface is for receiving a filesystem command from a cluster. The target filesystem determiner is for determining a target filesystem of a set of filesystems based at least in part on the filesystem command. The command tailor is for determining a tailored command of the filesystem command for the target filesystem. The filesystem interface is for providing the tailored command to the target filesystem.
US11151093B2 Distributed system control for on-demand data access in complex, heterogenous data storage
Distributed system controllers provide on-demand data access in complex, heterogenous data storage. In one embodiment, the distributed system controllers respond to name space metadata event messages published on a persistent message but to maintain a common name space in a complex of heterogenous data storage systems. In one embodiment, data unit access request metadata messages are propagated in recursive, cascading hops along a persistent message bus until the requested data unit is located and retrieved. Other features and aspects may be realized, depending upon the particular application.
US11151089B2 Compression of log data using pattern recognition
Techniques are provided for compression and decompression of log data using pattern recognition. An exemplary method comprises: obtaining at least one log message, wherein the at least one log message comprises a pattern-based message template and one or more message variables, wherein the pattern-based message template was learned from historical log data using a log pattern mining technique; obtaining a compression index that maps a plurality of pattern-based message templates to a corresponding message signature; and writing the one or more message variables and a message signature corresponding to the pattern-based message template of the at least one log message to a log file. The log pattern mining technique learns a given pattern-based message template from the historical log data to represent a plurality of historical log messages. The at least one log message may comprise a historical log message or may be from a real-time stream of log messages.
US11151088B2 Systems and methods for verifying performance of a modification request in a database system
Provided are systems and methods for verifying, in a database system, that a modification request to events data is completed. The method marks a modification request as verifying and implements a search strategy to search for unmodified events data (the stragglers) in the least expensive query scope first and then keep expanding the scope of the query until at least one unmodified events data is found (a straggler), which is marked as a fail. This strategy includes (i) beginning at a lowest scope search, (ii) searching a (database first: continuing to expand the search scope as high as it can go without a fail, and (iii) only when it's finished searching the database without a fail, searching a search engine in the same way. When the searches are done, and no fails have been marked, the method marks the request as done.
US11151084B2 Data analysis apparatus, data analysis method, and storage medium
A non-transitory computer-readable storage medium having stored therein a program executing a process includes when starting capture of data, acquiring a pair of first identification information and a file name; recording the pair and an acquisition time in management information; when it is detected that the first identification information included in the captured data is associated with a file name included in another data captured before the captured data, recording a pair of the first identification information and the file name and a capture time in the management information; when a reference request for the data is received, specifying a file name corresponding to first identification information and time information included in the reference request, the file name being specified by referring to the management information; converting the first identification information into the specified file name, the first identification information being included in the data; and outputting the data.
US11151082B1 File system operation cancellation
Cancelling file system operations at a file system client of a distributed file system is disclosed. In various embodiments, an indication is received to send locally-stored file system operations to a remote file system metadata server. A dependency graph or other data structure reflecting dependencies between the locally-stored file system operations is used to identify a set of locally-stored file system operations the members of which are fully dominated by a create-delete pair of operations comprising the set. The locally-stored file system operations comprising the set are cancelled, without being sent to the remote file system metadata server.
US11151079B2 Merging database operations for serializable transaction execution
A method for merging transactions for execution by a database management system. The method includes a computer processor receiving a database query that is comprised of a plurality of transactions. The method further includes a computer processor placing each of the plurality of transactions, of the database query, in respective chronological order, in a scheduling queue. The method further includes a computer processor determining that at least a first transaction and a second transaction within the plurality of transactions each contains one or more transaction delineation descriptions. The method further includes computer processor responding to the determination that the first transaction and the second transaction, within the plurality of transactions, each contains one or more transaction delineation descriptions, and merging the first transaction and the second transaction to create a merged transaction combination and merging also includes combining two or more table-scan operations.
US11151075B2 Data communications with enhanced speed mode
An interconnect controller includes a data link layer controller coupled to a transaction layer, wherein the data link layer controller selectively receives data packets from and sends data packets to the transaction layer, and a physical layer controller coupled to the data link layer controller and to a communication link. The physical layer controller selectively operates at a first predetermined link speed. The physical layer controller has an enhanced speed mode, wherein in response to performing a link initialization, the interconnect controller queries a data processing platform to determine whether the enhanced speed mode is permitted, performs at least one setup operation to select an enhanced speed, wherein the enhanced speed is greater than the first predetermined link speed, and subsequently operates the communication link using the enhanced speed.
US11151071B1 Host device with multi-path layer distribution of input-output operations across storage caches
An apparatus comprises a host device configured to communicate over a network with a storage system. The host device comprises a multi-path input-output (MPIO) driver configured to control delivery of input-output (TO) operations to the storage system over selected ones of a plurality of paths through the network. The MPIO driver is further configured to determine mappings between ranges of logical block addresses (LBAs) of logical storage volumes and respective ones of a plurality of cache entities of the storage system, to select, for a first IO operation comprising a first set of LBAs of a first logical storage volume, a first one of the paths associated with a first one of the cache entities, and to select, for a second IO operation comprising the first set of LBAs of a second logical storage volume, a second one of the paths associated with a second one of the cache entities.
US11151070B2 HDMI devices and methods with stacking support
Embodiments for managing High-Definition Multimedia Interface (HDMI) data. HDMI data received by at least one of a second HDMI connector of an HDMI device and the processor of the HDMI device is transmitted to a first HDMI connector of the HDMI device according to each of a plurality of modes of operation. A switching operation between the plurality of modes of operation is automatically performed based on a time schedule programmed by a user notwithstanding a priority signal embedded within the HDMI data received at the second HDMI connector or the processor is configured to override the time schedule to initiate the switching.
US11151068B1 Enhanced secure digital (SD) direct command for improved meta-channel communications
A method of improving meta-channel communications over a secure digital (SD) bus between an SD host and an SD client is described. The method includes accessing, during a current data transfer over data lines of the SD bus, a first direct memory access (DMA) metadata and a second DMA metadata over a command (CMD) line of the SD bus using an enhanced SD direct command. The method also includes establishing, prior to a next data transfer over the data lines of the SD bus, a DMA configuration for the next data transfer based on the first DMA metadata and the second DMA metadata. The method further includes communicating the next data transfer over the data lines of the SD bus according to the DMA configuration.
US11151064B2 Information processing apparatus and storage device access control method
A computing device includes a memory and a processor connected to the memory and configured to: create, in a first memory space of the memory, a first I/O submission queue associated with a first application running in user space; create, in a second memory space of the memory, a second I/O submission queue associated with a second application running in user space; in response to a first I/O request from the first application, store the first I/O request in the first I/O submission queue for access by the semiconductor storage device; and in response to a second I/O request from the second application, store the second I/O request in the second I/O submission queue for access by the semiconductor storage device.
US11151062B2 Optimized locking for replication solutions
A method for improving latency in storage systems, the method comprising, receiving one or more write commands from a host. Determining that one or more bits are not set for a grain associated to a write. Responsive to determining the one or more bits are not set for the grain associated to the write, sending a message to node M requesting node M to set the one or more bits for the grain associated to the write, requesting write data be transferred from the host. Transferring write data from the host. Submitting the write data to a local storage. Replicating the write data to a remote system and complete a write to the host, and notifying node M to clear the one or more bits for the write after a predetermined delay.
US11151059B2 Semiconductor device, peripheral device control system, and peripheral device control method
A semiconductor device of a peripheral device control system includes one or more management blocks that are provided in association with a device to be controlled. The management blocks each include a plurality of registers that store information pertaining to each operation of the device to be controlled, and a first generation unit that performs a predetermined aggregation process on values of the plurality of registers included in the management block to generate an aggregation value that is a value formed by aggregating the values of the plurality of registers.
US11151049B2 System and method for data migration from a CAS storage system to a non-CAS storage system
A method, computer program product, and computer system for invalidating, by a target, all data in a first volume. A source may scan a hash to address table for a second volume to be migrated to the first volume. Data in the second volume may be migrated to be stored in the first volume by pushing information from the hash to address table to the target.
US11151034B2 Cache storage method and system configured to store shareable tag portion and individual tag portion
Cache storage comprising cache lines, each configured to store respective data entries. The cache storage is configured to store a tag in the form of: an individual tag portion which is individual to a cache line; a shareable tag portion which is shareable between cache lines; and pointer data which associates an individual tag portion with a shareable tag portion.
US11151030B1 Method for prediction of the duration of garbage collection for backup storage systems
A first set of garbage collection (GC) features and non-GC features associated with a storage system are received, the first set of features being associated with a predetermined start date and a time window. A learning equation is generated having a plurality of vectors of GC features and a plurality of vectors of non-GC features. For a current iteration representing a current GC process, it is determined whether a first prior GC process was started within the time window. An entry of vectors of the non-GC features of the learning equation is populated based on corresponding feature values of the first set of non-GC features, in response to determining that the first prior GC process was started within the time window. A predetermined regression algorithm is applied to the learning equation to generate a GC duration predictive model to predict a GC duration of a subsequent GC process.
US11151029B2 Computing system and method for controlling storage device
According to one embodiment, a computing system transmits to a storage device a write request designating a first logical address for identifying first data to be written and a length of the first data. The computing system receives from the storage device the first logical address and a first physical address indicative of both of a first block selected from blocks except a defective block by the storage device, and a first physical storage location in the first block to which the first data is written. The computing system updates a first table which manages mapping between logical addresses and physical addresses of the storage device and maps the first physical address to the first logical address.
US11151026B2 System and method for autonomous testing
A method and a system for automated testing of applications includes crawling an application by an application crawler to identify application states. Rewards associated with the application states are calculated using a reinforcement learning engine, based on a reward matrix. Critical paths are identified by the reinforcement learning engine and are passed to a test scenario generator. Test scripts are generated by the test scenario generator based on the identified critical paths. The applications are tested by a test scenario execution engine based on the generated one or more test scripts, and test data generated by the test data generator. Test results are captured by a behavior analyzer. One or more insights are generated by the behavior analyzer, from the captured test results to update the reward matrix and to improve the efficiency of continuous autonomous testing system.
US11151024B2 Dynamic automation of DevOps pipeline vulnerability detecting and testing
An artificial intelligence (AI) platform to support a continuous integration and deployment pipeline for software development and operations (DevOps). One or more running processes are subject to monitoring to identify presence of vulnerabilities. An automated rebuild of the monitored processes is initiated, which includes constructing a map representing a relationship of test code elements corresponding to different portions of source code. The identified vulnerable source code reflected in a new container image is subject to an automatic verification to ascertain if the source code is covered by at least one of the represented test code elements. A risk assessment is employed as part of the verification. A new container image is selectively deployed responsive to the risk assessment.
US11151021B2 Selecting test-templates using template-aware coverage data
An example system includes a processor to receive a template-aware coverage data that tracks probabilities of events in a list of events being hit for a set of test-templates over a first and second predetermined period of time. The processor is to generate a hit prediction score for each combination of unhit event in the events and each test-template in the set of test-templates of the second predetermined period of time. The hit prediction score indicates a probability of an unhit event being hit by a particular test-template in a future third predetermined period of time based on the template-aware coverage data and similarities between the events and the test-templates. The processor is to generate a template score for each test-template based on the hit prediction scores for each test-template. The processor is to select a test-template from the set of test-templates based on the template score.
US11151015B2 Machine-based recognition and dynamic selection of subpopulations for improved telemetry
Techniques for telemetry data collection including receiving first telemetry data items each including a first value for a first performance measurement, generating respective data objects providing values for a first set of attributes including multiple context attributes and a performance attribute determined based on the first value, performing a machine-based selection of outlier data objects from the data objects, obtaining a targeting rule specifying selection conditions for at least two of the context attributes and corresponding to a selected subset of the outlier data objects, providing the targeting rule to multiple telemetry sources, and receiving second telemetry data items each associated with a different telemetry source that satisfied the selection conditions, and each including a second value for a second performance measurement, with the first telemetry data items not including values for the second performance measurement.
US11151012B2 Predictive reserved instance for hyperscaler management
An example system and method to provide a dashboard for users to analyze and review their hyper-scaler usage and spending and offer optimizations to predict optimal use of reserved and unreserved instances on various hyper-scaler platforms. While hyper-scaler platforms offer flexibility for users to scale their use on a platform, there is a potential risk of rapid cost overruns in large enterprise organizations that may be difficult to control and predict. In some examples, the system can determine an optimal number of reserved instances using past usage data and/or prediction data from a user may be used by the system to make forward predictions about reserving an optimal number of instances and minimizing hyper-scaler resource use.
US11151002B2 Computing with unreliable processor cores
A computer system that has two or more processing engines (PE), each capable of performing one or more operations on one or more operands but one or more of the PEs performs the operations unreliably. Initial results of each operation are debiased to create a debiased result used by the system instead of the initial result. The debiased result has an expected value equal to a correct output where the correct output is the initial result the respective operation would have produced if the respective operation performed was reliable.
US11150993B2 Method, apparatus and computer program product for improving inline pattern detection
Computerized techniques involve dividing a plurality of entries included in an indirect block of an inode into a plurality of entry groups. Each non-null entry of the plurality of entries has one of a pointer pointing to an associated data block and an identifier specific to a byte pattern of an associated data block. The techniques further involve determining, for an entry group of the plurality of entry groups, whether entries having an identifier in the entry group all have a same predetermined identifier. The techniques further involve in response to determining that the entries having an identifier in the entry group all have the same predetermined identifier, identifying the entry group as recoverable if the indirect block is corrupted. Such techniques improve reliability and performance of a storage system.
US11150992B2 File entity relationship management and source product backup
A computer-implemented method for recording file dependencies. A non-limiting example of the computer-implemented method includes creating, by the processor, a new inter-dependencies object in an inter-dependencies registry and writing, by the processor, an inter-dependency relationship between a first file and a second file from which the first file depends to the inter-dependency object in the inter-dependencies registry. The computer-implemented method further provides, by the processor, the inter-dependencies registry to a system upon receiving a call to backup the system.
US11150987B2 Methods of controlling operation of nonvolatile memory devices and data converters for performing the same
Channel selection information indicate positions of data bits of input data, positions of error correction code (ECC) parity bits for correcting errors in the input data, and positions of state shaping parity bits. The ECC parity bits and the state shaping parity bits are generated to cause a decrease in a quantity of memory cells, of the plurality of memory cells, in which at least one target state among a plurality of states is programmed. An alignment vector is generated based on aligning the data bits of the input data, the ECC parity bits, and the state shaping parity bits, based on the channel selection information. A codeword is generated based on simultaneously performing state shaping and ECC encoding with respect to the alignment vector. Write data are written in the nonvolatile memory device based on the codeword.
US11150978B2 Automated system for intelligent error correction within an electronic blockchain ledger
A system for automated and intelligent error correction within an electronic blockchain ledger is provided. The system may analyze unformatted/unstructured blockchain event logs using machine learning algorithms in order to identify and label the errors within the event logs. Based on the identified errors, the system may use predictive analysis in conjunction with error or rule repositories and/or machine learning to identify potential solutions to the identified errors. Once the potential solutions have been identified, the system may automatically attempt to rectify the blockchain transaction errors using the potential solutions. The system may further comprise trend/correlation analyses and reporting functions regarding various metrics and may output said metrics in various accessible formats.
US11150974B2 Anomaly detection using circumstance-specific detectors
The technology disclosed relates to learning how to efficiently display anomalies in performance data to an operator. In particular, it relates to assembling performance data for a multiplicity of metrics across a multiplicity of resources on a network and training a classifier that implements at least one circumstance-specific detector used to monitor a time series of performance data or to detect patterns in the time series. The training includes producing a time series of anomaly event candidates including corresponding event information used as input to the detectors, generating feature vectors for the anomaly event candidates, selecting a subset of the candidates as anomalous instance data, and using the feature vectors for the anomalous instance data and implicit and/or explicit feedback from users exposed to a visualization of the monitored time series annotated with visual tags for at least some of the anomalous instances data to train the classifier.
US11150972B1 Self-reporting and self-upgrading of enterprise systems
Aspects include monitoring for occurrences of selected events at a computer system, the monitoring by a processor that is coupled to the computer system. A list of event records for each of the selected events is built by the processor. The building of event records includes generating an event record for each occurrence of an event detected by the monitoring. The lists of event records for the selected events are merged into a merged list of event records that are in chronological order. A machine report for the computer system that includes the merged list of event records is stored.
US11150963B2 Remote smart NIC-based service acceleration
Systems and methods provide for accelerating and offloading network processing to a remote smart network interface card (NIC). A first network element, including a first smart NIC, can transmit capability information of the first smart NIC for receipt by a neighboring second network element. The second network element can determine that a network processing task of a virtualized network function (e.g., virtual network function (VNF), cloud-native network function (CNF), etc.) instantiated on the second network element can be offloaded to the first smart NIC. The second network element can receive processing information from the virtualized network function for performing the network processing task. Based on the processing information, the second network element can transmit control information that causes the first smart NIC to perform the network processing task on at least a portion of network data received by the first network element for transmission to the second network element.
US11150959B2 Hob device
A hob device includes a power supply unit, a receiving unit configured to receive an item of information, and a control unit configured to control the power supply unit in an operating state and to access the receiving unit. The control unit is configured to deactivate the power supply unit in the operating state for an inactivity time interval and to access the receiving unit during the inactivity time interval.
US11150953B2 Fast, low memory, consistent hash using an initial distribution
Embodiments of the present systems and methods may provide a consistent hash function that provides reduced memory use and complexity, reduced computational complexity, and relatively low numbers of keys that must be reshuffled compared to current techniques. For example, in an embodiment, a computer-implemented method for controlling computing resources may comprise storing a set of labels of potential resources comprising a plurality of labels of working resources allocated to actual resources and a plurality of labels of reserved resources available to be allocated, generating an initial assignment to one of the set of labels of potential resources, when the assignment to one of a set of labels of potential resources is to one of the labels of reserved resources, reassigning the request to another label of a resource selected from a subset of the labels of potential resources, and repeating the reassigning until the request is assigned to a label of a working resource.
US11150951B2 Releasable resource based preemptive scheduling
A computer-implemented method, a computer system and a computer program product for releasable resource-based preemptive scheduling. One or more currently running workloads are determined to be preempted by a pending workload. Releasable resources from the one or more currently running workloads meet required resources of the pending workload. The pending workload is dispatched so that it uses at least part of the releasable resources from the one or more currently running workloads to run.
US11150948B1 Managing programmable logic-based processing unit allocation on a parallel data processing platform
Systems and methods provide an extensible, multi-stage, realtime application program processing load adaptive, manycore data processing architecture shared dynamically among instances of parallelized and pipelined application software programs, according to processing load variations of said programs and their tasks and instances, as well as contractual policies. The invented techniques provide, at the same time, both application software development productivity, through presenting for software a simple, virtual static view of the actually dynamically allocated and assigned processing hardware resources, together with high program runtime performance, through scalable pipelined and parallelized program execution with minimized overhead, as well as high resource efficiency, through adaptively optimized processing resource allocation.
US11150943B2 Enabling a single context hardware system to operate as a multi-context system
Independent workloads may be grouped together into a single super workload. This super workload is dispatched to a single context hardware system that does not run an operating system. This effectively creates a multi-context system out of a single context hardware processor.
US11150939B2 Composite batching to manage throughput for online commerce applications
Embodiments regard composite batching to manage throughput for online commerce applications. An embodiment of one or more storage mediums include instructions for processing online transaction requests for an order management service to generate transaction records, the online transaction requests including at least a first type of transaction and a second type of transaction; accumulating the transaction records in a storage; automatically determining a batch size for application program interface (API) requests for the transaction records and a frequency rate for the API requests based at least in part on a throughput rate for the processed transaction requests; and process the API requests to the order management service.
US11150936B2 Techniques for binding user identities to appropriate virtual machines with single sign-on
A method for binding a user account operable on an air-gapped computer to an appropriate virtual machine (VM), comprising: monitoring a plurality of VMs to determine an associated user account for each of the plurality of VMs, wherein the plurality of VMs are executed over the air-gapped computer, and wherein each of the plurality of VMs is a distinct security zone in the air-gapped computer; determining a current VM from the plurality of VMs to bind an associated user account thereto; and displaying user specific indications on desktop items associated with each user account.
US11150934B2 Region based processing and storage of data
A method, a system, and a computer program product are provided. A first computing device determines that data to be processed for a request is confined to a geographic region in which the data is stored and identifies a second computing device within the geographic region in which the data is stored, wherein the identified second computing device and the computing device are connected to a network. The computing device directs the identified second computing to process the data within the geographic region to which the data is confined, according to the request, by one or more processing nodes executing on the identified second computing device.
US11150930B2 Autonomic management of multi-site cloud infrastructure
The disclosure provides an approach for managing an application workload on a computer system that includes data centers. The application workload includes first application instances running on a first data center and second application instances running on a second data center. The method comprises collecting usage data of first application instances, usage data of second application instances, and combining the collected data. The method further comprises evaluating the combined data to determine low health in least one application instance, and restarting the at least one application instance or creating a new application instance. The method further comprises evaluating the combined data to determine whether to change size of the application workload, and in which data center to place a second new application instance if increasing size. The method further comprises contacting a component of the chosen data center to place the second new application instance within a local host machine.
US11150929B2 Enhanced memory management for virtual machines
Aspects of the disclosure provide for mechanisms for memory management of virtual machines in a computer system. A method of the disclosure includes: releasing a memory page of a guest memory of a virtual machine; sending, by the virtual machine, a first notification to a hypervisor, the first notification comprising an indication that a memory page associated with the virtual machine is to be rendered inaccessible; and receiving, by the virtual machine, a second notification indicative of detection of an attempt to access the memory page.
US11150926B2 Native code generation for cloud services
An example of an embodiment is directed to a computer-implemented method for providing a cloud service to execute a computing task of a model specification. The method includes receiving, by the cloud service, the model specification and input data for the model specification from a user. The method further includes generating, by the cloud service, native code from the model specification and executing, by the cloud service, the computing task by executing the native code as a native process with the input data. The method also includes providing, by the cloud service, results of the computing task to the user. Other embodiments further concern a related computing system and a related computer program product.
US11150925B2 Method and system for compound application virtualization
A method for running an application via an operating system executing on a computing device is disclosed. In an embodiment, the method involves subjecting an API call to a complimentary application virtualization layer, after the API call is subjected to the complimentary application virtualization layer, subjecting the API call to a primary application virtualization layer, and after the API call has been subjected to the complimentary application virtualization layer and to the primary application virtualization layer, forwarding the API call to the operating system for processing in the kernel-space.
US11150920B2 3D API redirection for virtual desktop infrastructure
Techniques for implementing 3DI API redirection for VDI desktops are provided. In one set of embodiments, a server system can intercept a call to a 3D API made by a 3D application running within a VM on the server system, where the VM hosts a desktop that is presented to a user of a client system. The server system can determine metadata associated with the call, where the metadata including a name of the 3D API and one or more input parameter values to the call, and can transmit the metadata to the client system. In response, the client system can reconstruct the call to the 3D API using the metadata and execute the call using one or more physical GPUs residing on the client system.
US11150918B2 Method and apparatus for user-designated application prioritization
A system includes a processor configured to determine a set of context-variable values, responsive to a restriction imposition resulting in a limited-display capability for displaying selectable application icons. The processor is also configured to determine a correlation between the context-variable values and context states saved for each of a plurality of applications displayable as selectable application icons and display a predefined number of the plurality of selectable application icons corresponding to the applications having the highest correlation with the context-variable values.
US11150917B2 System for data aggregation and analysis of data from a plurality of data sources
An interactive user interface for receiving and displaying data is described. The interactive user interface may display data sets from a plurality of external applications and/or data sources. Received data sets may be compiled to form an interactive graphical unit, also called a “card,” that may be displayed in a format based upon that of the native external application of the received data sets. Cards may be grouped with other cards. A card may include a link which allows users to access the native external application of the card to make any desired modifications or changes.
US11150910B2 Systems and methods for policy execution processing
A system and method of processing instructions may comprise an application processing domain (APD) and a metadata processing domain (MTD). The APD may comprise an application processor executing instructions and providing related information to the MTD. The MTD may comprise a tag processing unit (TPU) having a cache of policy-based rules enforced by the MTD. The TPU may determine, based on policies being enforced and metadata tags and operands associated with the instructions, that the instructions are allowed to execute (i.e., are valid). The TPU may write, if the instructions are valid, the metadata tags to a queue. The queue may (i) receive operation output information from the application processing domain, (ii) receive, from the TPU, the metadata tags, (iii) output, responsive to receiving the metadata tags, resulting information indicative of the operation output information and the metadata tags; and (iv) permit the resulting information to be written to memory.
US11150907B2 Parallel slice processor having a recirculating load-store queue for fast deallocation of issue queue entries
An execution unit circuit for use in a processor core provides efficient use of area and energy by reducing the per-entry storage requirement of a load-store unit issue queue. The execution unit circuit includes a recirculation queue that stores the effective address of the load and store operations and the values to be stored by the store operations. A queue control logic controls the recirculation queue and issue queue so that that after the effective address of a load or store operation has been computed, the effective address of the load operation or the store operation is written to the recirculation queue and the operation is removed from the issue queue, so that address operands and other values that were in the issue queue entry no longer require storage. When a load or store operation is rejected by the cache unit, it is subsequently reissued from the recirculation queue.
US11150898B1 Methods and systems for monitoring contributor performance for source code programming projects
Methods and systems for monitoring contributor performance for source code programming projects in order to increase the velocity of workflow and the efficiency of project teams. In particular, the methods and systems record the particular type of issue that is tagged for a given contribution, if any, and monitor the amount of programming time of the contributor that is required to resolve the issue. The programming time required to resolve the issue, the type of issue, and/or other characteristics of contributors are then used to generate real-time recommendations related to the performance of the contributor relative to the project team.
US11150895B1 Automatically deploying artifacts
A method and apparatus for automatically deploying artifacts are disclosed. In one embodiment, the method comprises generating a trusted configuration artifact with a forward immutable continuous integration (CI) implemented as a build pipeline; accessing, by an orchestration system, the trusted configuration artifact from the IAC repository; and automatically deploying the configuration to change a state of the cluster, according to an orchestration type associated with the trusted configuration artifact, including determining the orchestration type.
US11150894B2 Systems and methods for software build file analytics
The present approach relates generally to systems and methods for generating a hierarchical model of a plurality of software development streams, identifying points of interest on the plurality of software development streams having a status indication, and determining descendant development streams corresponding to the points of interest. The present approach also relates to systems and methods for traversing the descendant development streams sequentially in descending order of creation date of the points of interest corresponding to the descendant development streams, determining a software build file status indication for software build files associated with the descendant development streams based at least on the status indication of the points of interest, and evaluating the software build file status indication for the software build files to generate an indication of a first subset of build files having an unfixed status indication and a second subset of build files having a fixed status indication.
US11150885B2 Method and system for vehicle software management
A method includes receiving, at a data hub onboard an asset, a new configuration file, a service program, and a software update of a software application of the asset from a remote location. The data hub includes a current configuration file that indicates a current configuration state of the software application. The new configuration file indicates an updated configuration state of the software application with the software update. The service program includes work instructions for applying the updated configuration state to the software application. The method includes displaying the current configuration file and the new configuration file onboard the asset using the data hub. The method also includes updating the software application with the updated configuration state according to the work instructions of the service program using the data hub.
US11150880B1 Automating an adoption of cloud services
An approach is provided for automating an adoption of cloud services. A machine learning model is devAppliceloped to learn application source code accessed from a source code repository. The machine learning model is trained by building training data that includes the application source code and technical labels. Services are extracted from the application source code and a context of the application source code is derived. Using a decision tree model, a mapping of the extracted services to respective cloud services is determined. Based on the mapping, portions of the application source code are identified that are recommended to be replaced by the respective cloud services.
US11150876B2 Transparent client-side source code editing on a remote network management platform
A computing system stores source code files in a hierarchy of database tables. A plugin, executable within a source code editor, is configured to: receive, by way of uniform resource locators (URLs) related to the computational instance, table names of the database tables, and file names of the source code files; cause the editor to display, on a first pane of a graphical user interface (GUI), a menu of the table and file names; receive a selection of a file name; receive, by way of a URL, a source code file with the file name; cause the editor to display, on a second pane of the GUI, an editable representation of the source code file; receive a command to store the source code file (which was modified by way of the second pane); and transmit, by way of the URL, the source code file as modified.
US11150871B2 Information density of documents
A method that includes receiving a document, the document including multiple data units arranged in a sequence, is provided. The method includes separating a fragment from the sequence by identifying a delimiter that includes one of a start or an end of the fragment, separating a data unit from the fragment by identifying a second delimiter, determining a fragment rank based on a frequency score of the data unit within the fragment, and placing the fragment in a sorted list based on the fragment rank including multiple fragments. The method includes forming a modified document including at least a top fragment from the sorted list, the top fragment having a top fragment rank greater than a user selected rank and providing the modified document to the user. A system and a non-transitory, computer readable medium storing instructions to perform the method are also provided.
US11150869B2 Voice command filtering
Aspects of the present disclosure relate to voice command filtering. One or more directions of background noise for a location of a voice command device are determined. The one or more directions of background noise are stored as one or more blocked directions. A voice input is received at the location of the voice command device. A direction the voice input is being received from is determined and compared to the one or more blocked directions. The voice input is ignored in response to the direction of the voice input being received from corresponding to a direction of the one or more blocked directions, unless the received voice input is in a recognized voice.
US11150864B2 Displaying enhancement items associated with an audio recording
Systems, methods, and software are disclosed herein for displaying visual representations of entities associated with an audio recording. A waveform associated with an audio recording is presented in a user interface to an application. A set of entities associated with the audio recording are then identified. Responsive to identifying the set of entities, a set of enhancement items associated with the set of entities is presented. In response to a selection of a given one of the enhancement items, a visual representation of an associated one of the entities in the user interface to the application.
US11150855B2 Display support structure
Display panel frames configured and dimensioned to support display panels and also attach to adjacent display panel frames in a modular fashion to form a larger display assembly. In some examples, the display panel frames include one or more structural members configured to support a load on the frame, wherein the structural members also have at least one display panel mount for attaching a display panel to the frame. In some examples, the frames are configured to support display panels having mounting interface points conforming with a Video Electronics Standards Association (VESA) interface standard.
US11150849B2 Device and method for checking the printing of an article
The present invention relates to a device (100) for checking printing of an article, the device (100) comprising: data providing device (10) adapted to provide printing data for the article from product data of the article; camera device (20) adapted to receive an image of an article printed by a printing process and to provide it as image data; and a computer device (30) adapted to perform a quality check of the printing process based on a comparison of the printing data with the image data.
US11150848B2 System and method for identification and location of user identified feature specific printers
A system and method for identification and location of user identified, feature specific printers works in conjunction with a user's smartphone or tablet computer. A user inputs their desired printer features into their device, and a listing of candidate printers within a search perimeter is rendered. A distance between the user device and each candidate printer is calculated from a determined location user device relative to locations of each of the candidate printers. The user selects their desired printer from the candidates, and directions for the user to walk to the selected printer are generated and displayed.
US11150846B2 Storage system, computer-readable recording medium, and control method for system that reconstructs and distributes data
A data set is constructed from a first given number of data elements configured from a plurality of data and redundant data corresponding to the plurality of data. The first given number of data elements are deployed in a distributed relationship into a first given number of first nodes. When an instruction to increase the number of data elements of the data set from the first given number by a second given number, the data set is reconstructed using, as new data elements, the first given number of data elements and a second given number of zero data. A controller deploys the data elements of the reconstructed data set in a distributed relationship into the first nodes and the second given number of second nodes while zero data or redundant data are deployed into the second nodes from among the data elements of the reconstructed data set.
US11150842B1 Dynamic memory controller and method for use therewith
A dynamic memory controller and method for use therewith are provided. In one example, a memory controller comprises dynamically-programmable components that can be used to configure the memory controller to be used with any number of selected host and/or memory types, as well as to enable the memory controller with different error detection/correction functionality.
US11150838B2 Memory system and method of operating the memory system
The present technology includes a memory system and a method of operating the memory system. The memory system includes a memory device including an interface circuit and a semiconductor memory, and a controller configured to generate a command set in response to a host command and output the command set to the memory device. The interface circuit is configured to: receive the command set, transmit the received command set to the semiconductor memory, when the received command set corresponds to the semiconductor memory, perform a blocking operation so that the received command set is not transmitted to the semiconductor memory, when the received command set corresponds to the interface circuit, and perform an on-die termination operation, a ZQ calibration operation, or a driving force control operation of the interface circuit in response to the received command set corresponding to the interface circuit.
US11150834B1 Determining storage consumption in a storage system
Determining storage consumption in a storage system, including scanning a group of data units within the storage system storing a plurality of client entities, including: for each data unit in the group of data units, determining whether the data unit is reachable by one of the plurality of client entities; and for each data unit reachable by one of the plurality of client entities, determining a category for the data unit; calculating storage consumption for a client based on the category of each data unit reachable by one of the plurality of client entities; and reporting the calculated storage consumption.
US11150824B2 Apparatuses and methods for operations using compressed and decompressed data
The present disclosure includes apparatuses and methods for operations using compressed and decompressed data. An example method includes receiving compressed data to a processing in memory (PIM) device and decompressing the compressed data on the PIM device.
US11150823B2 Method, device and computer program product for splitting disk set
Techniques for splitting a disk set involve obtaining stripe shared information in a first disk set, wherein the information indicates a stripe set that shares a plurality of disks. The techniques further involve determining the number of disks to be split from the first disk set. The techniques further involve splitting the first disk set into a first portion and a second portion based on the information and the number of disks to be split, wherein the second portion and one or more newly added disks form a second disk set, and both the first disk set and the second disk set store data through Redundant Array of Independent Disks (RAID). In the case that a current disk set needs to be split due to adding one or more new disks, disks are selected using the collected information, thereby reducing data movements caused by splitting of the disk set.
US11150812B2 Predictive memory management
Systems, apparatuses, and methods related to predictive memory management are described. Error correction operations can be performed on a memory system and can include a latency associated with performing various error correction techniques on data and the health of physical addresses used to store the data can be predicted based on that latency information. In an example, a method can include determining, by a controller, latency information corresponding to one or more error correction operations performed on data received by the controller, and assigning, based on the latency information corresponding to a health of physical address locations corresponding to the data, and taking an action involving the physical address locations based, at least in part, on the information corresponding to the health of the plurality of physical address locations corresponding to the data.
US11150807B2 Dynamic storage system configuration
Embodiments herein provide for dynamic storage system configuration. In one embodiment, a storage controller is operable to configure a storage volume from a plurality of storage devices. The storage controller includes an interface operable to receive a first write I/O request from a host system, and to extract a storage configuration attribute from the first write I/O request. The storage controller also includes a processor communicatively coupled to the interface and operable to identify a storage configuration required by the first write I/O request based on the storage configuration attribute, to determine whether the storage volume comprises the required storage configuration of the first write I/O request, and to configure a portion of the storage volume according to the storage configuration required by the first write I/O request in response to a determination that the storage volume does not comprise the required storage configuration.
US11150806B1 Systems and methods for reducing disk usage and network latency
Disclosed embodiments provide systems and methods for reducing disk storage and network latency. A method reducing disk storage and network latency comprises receiving customer data of a customer to store in a database, conditioning the customer data, and formatting the conditioned customer data into first and second data strings respectively having a first data type and a second data type. The method further comprises flipping a sign bit of the first data string, encoding the sign-bit-flipped first data string and second data string into serialized data by representing every two digits of the first string with one byte, and flipping all bits of the serialized data if the received customer data is represented by a negative value. The method further comprises storing the serialized data in the database if negative, receiving a request for the customer data, deserializing serialized data to be retrieved from the database, and retrieving the deserialized data from the database.
US11150805B2 System and method for using free space to improve erasure code locality
A system and method for using free space to improve erasure code locality. The method includes logically segmenting an erasure coding data set into a stripe based on an erasure coding scheme, wherein the erasure coding data set includes a plurality of chunks, wherein the plurality of chunks includes a plurality of chunks of systematic data and a plurality of chunks of parity data, wherein the stripe includes free user data; and distributing the stripe across a plurality of non-volatile memory nodes based on the erasure coding scheme, wherein the free user data is stored in at least one memory location among the plurality of non-volatile memory nodes, wherein each non-volatile node is a unit of non-volatile memory.
US11150798B2 Multifunction device control of another electronic device
Some embodiments described in this disclosure are directed to one or more input devices that simulate dedicated remote control functionality for navigating and playing content items available on other electronic devices, and one or more operations related to the above that the input devices and other electronic devices optionally perform. Some embodiments described in this disclosure are directed to one or more multifunction devices via which keyboard input to electronic devices is provided, and one or more operations related to the above that the multifunction devices and the electronic devices optionally perform. Some embodiments described in this disclosure are directed to one or more multifunction devices via which control and/or navigational inputs to electronic devices is provided, and one or more operations related to the above that the multifunction devices and the electronic devices optionally perform.
US11150787B2 Image display device and operating method for enlarging an image displayed in a region of a display and displaying the enlarged image variously
An image display device including a display configured to display a first image is provided. The image display device includes a controller configured to generate a second image by enlarging a part of the first image displayed in a first region of the display and to control the display to display a part of the second image in the first region, and a sensor configured to sense a user input for moving the second image. In response to the user input, the controller is configured to control the display to move and display the second image, within the first region.
US11150783B1 GUI based methods and systems for working with large numbers of interactive items
A GUI and processor-based method for managing selectable entities such as files and directories. When the number of selectable entities in the GUI is large (e.g. over 50 entities) or if similar operations must be done repeatedly, the user experience can be drastically improved by generating and operating on sets of selectable entities. Users (such as a human user) start by picking a plurality of entities displayed on the GUI and save them in memory as a named selection set. Users operate the GUI to manipulate any such selection sets via various means (such as intersection, union, inversion/negation, or via user defined programs) until a selection set contains only the entities that the user wishes to operate on. The user then directs the GUI to automatically perform any of memory/storage operations and/or network transmission operations upon any files and directories in the selection set as desired.
US11150779B2 Systems and methods for providing an internet browser zoom and group bookmark functions
A computerized method for operating a zoom function in a web browser is described. The method uses a user's computer to access a network; operate a web browser; and control the operation of a method for performing a zoom function within the web browser. The zoom function presents to the user an icon which directly controls the zoom function for a webpage displayed in an active window. The zoom icon indicates a current zoom factor and where a single selection of the zoom icon directly causes the web browser to perform several actions. The actions include changing the current zoom factor for the webpage displayed in the active window and updating the zoom icon to indicate the zoom factor. Changing the zoom factor enlarges a viewed area or makes it smaller, thereby improving the rendering of information that may be too small or too large to be useful.
US11150767B2 Electronic device
The present disclosure relates to an electronic device. The electronic device includes a device body, a screen, and a photo-sensing module. The preset light-transmissive area is provided between the screen and a side casing of the device body. A light emitter of the photo-sensing module is mounted at an edge position of the device body and corresponds to the preset light-transmissive area, and the light emitter can emit a light through the preset light-transmissive area towards a sensing space corresponding to a front side of the device body for sensing.
US11150766B2 Switching operation sensing device with touch-sensing and force-sensing using dual-sensing structure
A switching operation sensing device includes an input operation unit, an oscillator circuit, a frequency digital converter, and a touch-force detector circuit. The input operation unit, integrally formed with a housing, includes a first switch member and a second switch member disposed in different positions. The oscillator circuit is configured to generate a first oscillation signal based on varying capacitance when the first switch member is touched, and a second oscillation signal based on varying inductance when an input force is applied to the second switch member. The frequency digital converter is configured to convert the first oscillation signal to a first count value, and convert the second oscillation signal to a second count value. The touch-force detector circuit is configured to generate a first detection signal by detecting a touch input based on the first count value input from the frequency digital converter, and generate a second detection signal by detecting an input force based on the second count value.
US11150758B2 Pressure activated accurate pointing
A method includes obtaining sensor coordinates and pressure values corresponding to the sensor coordinates; mapping, using a first mapping method, a first set of the sensor coordinates to first display screen coordinates; determining that a first one of the pressure values is greater than or equal to a threshold pressure value; determining that a second one of the pressure values is less than the threshold pressure value, after determining that the first one of the pressure values is greater than or equal to the threshold pressure value; in response to the determining that the second one of the pressure values is less than the threshold pressure value, mapping, using a second mapping method, a second set of the sensor coordinates to second display screen coordinates; and outputting the first display screen coordinates and the second display screen coordinates. Accordingly, an operator can easily switch the mapping to the second method.
US11150756B2 Liquid crystal display device
A mobile phone is provided which includes a liquid crystal display device in which a front window and a touch panel are bonded together with an adhesive sheet, wherein a logo having plural layers is formed on a back side of the front window. A touch-panel flexible wiring substrate is mounted to the touch panel, A plane distance between an end portion of the plural layers of the logo and an end portion of the touch panel is set to greater than zero. With this configuration, it is possible to prevent a peeling stress on the adhesive sheet, even if a thickness of the adhesive sheet is smaller than the sum of a thickness of the touch-panel flexible wiring substrate and a thickness of the logo.
US11150739B2 Chinese character entry via a Pinyin input method
A Chinese character Pinyin input method and apparatus are disclosed. The method includes displaying on a human-machine interaction interface (HMI) initial keys representing all initials and simple final keys representing all simple finals. The method further includes, in response to an operation with respect to a simple final, displaying on the HMI auxiliary keys corresponding to the simple final, wherein various combinations of the simple final and symbols represented by the auxiliary keys respectively form compound finals starting with the simple final. The disclosed method and apparatus are especially applicable to inputting Chinese characters on a smart device touchscreen.
US11150737B2 Apparatus, system, and method for wrist tracking and gesture detection via time of flight sensors
The disclosed wrist-tracking apparatus includes (1) a wristband dimensioned to be donned on a wrist of a user of an artificial reality system and (2) a set of Time of Flight (ToF) sensors coupled to the wristband, wherein each of the ToF sensors comprises (A) an emitter that emits a modulated pulse of energy, (B) a receiver that facilitates detecting a reflection of the modulated pulse of energy, and (C) a processing circuit communicatively coupled to the emitter and the receiver, wherein the processing circuit calculates a time of flight for the modulated pulse of energy based at least in part on the modulated pulse of energy and the reflection. Various other apparatuses, systems, and methods are also disclosed.
US11150728B2 User interface device and control method thereof for supporting easy and accurate selection of overlapped virtual objects
Provided are a user interface device and a control method thereof for supporting easy and accurate selection of overlapped objects. The user interface device is a device for providing a user interface applied to a three-dimensional (3D) virtual space in which a plurality of virtual objects is created, and includes a gaze sensor unit to sense a user's gaze, an interaction sensor unit to sense the user's body motion for interaction with the virtual object in the 3D virtual space, a display unit to display the 3D virtual space, and a control unit to, when the user's gaze overlaps at least two virtual objects, generate projection objects corresponding to the overlapped virtual objects, wherein when an interaction between the projection object and the user is sensed, the control unit processes the interaction as an interaction between the virtual object corresponding to the projection object and the user.
US11150725B2 System for detecting six degrees of freedom of movement by tracking optical flow of backscattered laser speckle patterns
Augmented reality headgear includes transparent displays that allow a user to simultaneously view the real world and virtual content positioned in the real world and further includes at least one source of coherent light and at least one sensor array for sensing, at a series of times, speckle patterns produced when the coherent light impinges environment surfaces. Circuitry is provided for sensing shifts in the speckle pattern and determining motion which caused the shift of the speckle pattern and adjusting the display of virtual objects displayed by the augmented reality headgear to compensate for the motion.
US11150723B2 Electronic circuit for controlling power
An electronic circuit includes a converter and a controller. The converter outputs a first voltage for a first cluster and a second voltage for a second cluster. When a first power to be provided to the first cluster based on the first voltage is lower than a first available power of the first cluster and a second power to be provided to the second cluster based on the second voltage is higher than a second available power of the second cluster, the controller outputs a first interrupt signal such that a level of the second voltage is adjusted based on a sum of the first power and the second power and a first threshold value determined based on the first available power and the second available power.
US11150708B2 Cooling system control component
A system for a cooling control component for a computing device is provided. A computing device monitors weight distribution from data received from one or more sensors distributed on a base of the housing of the computing device. A computing device determines that the weight distribution is uneven for a defined period of time. A computing device executes a first overheating prevention measure that uses a hardware operation profile to reduce heat generation.
US11150706B2 Circuit substrate and display panel
A plurality of circuit portions include a central side circuit portion connected to at least a central side-wiring line lead-out portion among a plurality of wiring line lead-out portions, and an end side circuit portion that is connected to at least an end side-wiring line lead-out portion among the plurality of wiring line lead-out portions, is also located on an end side in a first direction being an extending direction of a central side-outer shape portion having a linear shape with respect to the central side circuit portion, and is configured such that a dimension in a second direction being a direction in which the plurality of circuit portions and a central side region are aligned is smaller than that of the central side circuit portion.
US11150697B2 Multi-function electrical power supplying station with dockable station supporting emergency lighting, portable lighting, and consumer device battery recharging modes of operation
An electrical power supplying system including: a module docking station with a module docking receptacle and base station portion having integrated external power cord storage compartments; and a multi-function dockable module is docked in the module docking receptacle and can be manually removed and used locally as well as at remote locations. The dockable module supports (i) an emergency-light illumination subsystem including a LED array for producing, during an emergency-light illumination mode, illumination in response to automatic detection of changes in line voltage supplied to the portable electrical power supplying system; a night-light illumination subsystem including the LED array for producing, during a night-light illumination mode, illumination in response to automatic detection of changes in the light level of the ambient environment; and a battery power storage subsystem containing a rechargeable battery storage module for storing DC electrical power for driving the LED array during various modes, and recharging a DC power electronic device such a mobile phone.
US11150695B1 Head mounted device
A head mounted device includes a housing that defines an interior space and an elongate member that is connected to the housing and is configured to expand and contract to conform to the head of a user. The elongate member includes at least one end portion that is connected to the housing at an attachment point. The attachment point is located in the interior space of the housing such that the end portion of the elongate member extends along a path within the housing that has a length that is greater than half of a lateral width of the housing.
US11150684B2 Rotation detecting joystick
A joystick includes a stick and a base attached to the stick. The joystick includes a housing in which part of the base is disposed. The housing includes a baseplate. A predetermined number of magnets correspond to the number of pivot-axes. The magnets are attached to the base, and each of the magnets defines a pivot-axis around which the base can be. The pivot-axis is defined by one of the magnets diametrically opposite to this magnet. A magnetic element, in particular a plate, is attached to or is part of the baseplate. The joystick further includes a sensor for detecting rotation of the base around at least one of the predetermined number of pivot-axes. The base and the magnets attached to the base are disposed facing the magnetic element and interacting with the magnetic element such that an attractive force is pulling the magnets toward the magnetic element.
US11150678B2 Frequency compensation circuit and corresponding device
A current mirror includes first and second transistors having current paths coupled to an input current line. The current paths for the first and second transistors are referenced to ground via respective first and second resistors having resistance values twice a first resistance value. The first transistor is diode connected. A third transistor has a current path coupled to an output current line and referenced to ground via a third resistor having a second resistance value equal to the first resistance value divided by a mirror factor. Control terminals of the first and third transistors are coupled together, and further coupled to a control terminal of the second transistor through a coupling resistor. A first capacitor is coupled between ground and the control terminal of the second transistor unit. A second capacitor is coupled between ground and the current path through the third transistor.
US11150660B1 Scenario editor and simulator
A vehicle can capture data for use in a simulator. Objects represented in the vehicle data can be instantiated in simulation and move according to object models/controllers. A user can tune how closely simulated motion of the object corresponds to the previously recorded data based on simulation costs. The scenarios can be used for testing and validating interactions and responses of a vehicle controller within a simulated environment. The scenarios can include simulated objects that traverse the simulated environment and perform actions based on the captured data and/or interactions within the simulated environment. Objects observed by the vehicle can be disregarded from simulation based on one or more filters. A user can override, augment, or otherwise modify simulations instantiated based on the one or more filters and captured data.
US11150657B2 Lossy data compressor for vehicle control systems
A lossy data compressor for physical measurement data, comprising a parametrized mapping network hat, when applied to a measurement data point x in a space X, produces a point z in a lower-dimensional manifold Z, and configured to provide a point z on manifold Z as output in response to receiving a data point x as input, wherein the manifold Z is a continuous hypersurface that only admits fully continuous paths between any two points on the hypersurface; and the parameters θ of the mapping network are trainable or trained towards an objective that comprises minimizing, on the manifold Z, a distance between a given prior distribution PZ and a distribution PQ induced on manifold Z by mapping a given set PD of physical measurement data from X onto Z using the mapping network, according to a given distance measure.
US11150649B2 Abnormality detection device
An abnormality detection device includes a sensor configured to detect an external environment of a vehicle and an electronic control unit configured to: detect a traveling state of the vehicle; acquire a control command value for the vehicle in automatic driving control, the vehicle being caused to travel automatically in the automatic driving control; determine, based on a difference between the traveling state and the control command value, whether the traveling state is abnormal; determine, based on a detection result from the sensor, whether the external environment is suitable for execution of the automatic driving control; and determine that an abnormality has occurred in an automatic driving system when it is determined that the traveling state is abnormal and it is determined that the external environment is suitable for the execution of the automatic driving control, the automatic driving system performing the automatic driving control.
US11150648B2 Overhead power cable detection and avoidance
A mobile machine includes a sensor that generates a sensor signal indicative of ozone gas concentration. A power cable proximate the mobile machine, is identified based on the sensor signal. An avoidance action, is identified in response to determining that the power cable is proximate the mobile machine, and a control signal is generated based on the identified avoidance action.
US11150646B2 Delivery with swarming aerial vehicles
Embodiments include apparatus and methods for dispatching package delivery by aerial vehicles. The embodiments include a route module, a wind model, and a dispatcher. The route module is configured to generate a route for package delivery. The wind model configured to store wind factors associated with geographic areas and provide one or more wind factors associated with the route for package delivery. The dispatcher is configured to identify one or more aerial vehicles for assistance of package delivery in response to the one or more wind factors associated with the route and send a message to the one or more aerial vehicles.
US11150645B2 Localization system for underground mining applications
A mining machine is disclosed. The mining machine may include a mobile ranging device, a movement sensor device, and a control unit. The mobile ranging device may be configured to communicate with a location sensor device and cause the location sensor device to transmit location data relating to a location of the mining machine. The movement sensor device may be configured to transmit movement data relating to a movement of the mining machine. The control unit may be configured to receive coordinate data relating to a plurality of zones and a plurality of drawpoints of a tunnel, the location data, and the movement data. The control unit may identify an active zone, determine a machine heading, determine a machine articulation, identify an active drawpoint based on the active zone, the machine heading, or the machine articulation, and cause an action to be performed in connection with the active drawpoint.
US11150639B2 System, method and computer program product for fault detection and location in power grid
A method, system, and computer program product, include recording high-frequency wave data of local arid adjacent fault curves of a power grid to compare the high-frequency wave data with historical fault data to detect an actual fault region in the power grid, the power grid having a plurality of sensors distributed in the power grid, each sensor being upstream of one adjacent sensor and downstream of an other adjacent sensor.
US11150638B2 Model processing method and apparatus, and machine-readable medium
Provided are a model processing method and apparatus, and a machine-readable medium, for evaluating a semantic model to be evaluated of a target production system. In an embodiment, the method includes: acquiring feature information for describing a feature of a reference semantic model of at least one other production system; evaluating, on the basis of the feature information acquired, precision of the semantic model to be evaluated. The solution provided in an embodiment of the present invention realizes evaluation of the precision of a semantic model.
US11150637B2 Systems and methods for asset management using a digital avatar
An asset management system that includes a field asset management system; a maintenance management system; and a digital avatar associated with a specific asset. The digital avatar has an automatic Model that is customized for the associated asset. The digital avatar automatically receives information from at least one of the field asset management system or maintenance management system as information associated with the asset is entered into the at least one of the field asset management system or maintenance management system. The automatic Model automatically runs with the new information and provides a new operating parameter for use by at least the field asset management system.
US11150635B2 Projects within a process control asset management system
An asset management system used in a process control plant or other control system includes a database that stores asset data for each of a plurality of devices within the plant and a viewing system that accesses the asset data to provide statistical information to a user pertaining to the plant assets. The asset management system enables a user to define and store one or more projects within the plant and a set of plant assets associated with each of the projects. Thereafter, the asset management system performs statistical analyses on the assets within one or more of the defined projects and presents, to a user via a user interface, raw and statistical information pertaining to the assets within the project. The analysis engine may determine the device states or health statuses of the assets associated with the project and may present statistical and/or historical information regarding the number or percentage of assets within the project that are in a particular state or status. The system enables a user to use this information to determine the progress of or completion percentage of the entire project.
US11150634B2 Methods and systems for implementing distributed ledger manufacturing history
An exemplary additive manufacturing method includes receiving a build file comprising instructions for controlling the manufacturing hardware to generate an object, receiving a material identifier indicating a particular lot of manufacturing media, validating the build file and the material identifier via a distributed ledger to verify both an author of the build file and an origin of the particular lot of manufacturing media, causing manufacturing hardware to generate the object using the build file and the particular lot of manufacturing media, generating an object manufactured transaction to the distributed ledger indicating a result of the validation of the origin of the at least one of the build file or the material identifier, and certifying the object in response to verifying the author of the build file and the origin of the particular lot of manufacturing media, and wherein the object manufactured transaction indicates that the object is certified.
US11150630B2 Predictive maintenance utilizing supervised sequence rule mining
Statistically significant event patterns predict the timing for performing entity maintenance. Event patterns are determined based on a target variable having an undesired value for a given entity when the event pattern occurs. Event patterns are filtered based on distributions of the event patterns across multiple entities and distributions of event patterns during desired operation of the entities and undesired operation of the entities. A predictive maintenance process is established having significant event patterns as the basis for maintenance tasks.
US11150625B2 Evaluation work piece and computer-readable storage medium
An evaluation work piece includes at least one of a part (B) or (G), and at least one of a part (A), (C), (D), (E), or (F). (A) is a vertical level difference part. (B) is a direction reversing part at which a direction of movement of a tool in a height direction is reversed when the tool is used for machining of a three-dimensional object including a curved surface. (C) is a corner part at which a direction of movement of the tool changes. (D) is a flat surface part. (E) is a boundary part between a flat surface and a curved surface with a changing curvature. (F) is a curved surface part having a curved surface with a changing curvature. (G) is a curved surface part at which command points are aligned regularly between adjacent tool paths on a curved surface. At least one of the part (B) or (G) is included in a cut spherical body part. A reference surface for a three-dimensional measuring machine is arranged around the cut spherical body part. At least one of the part (A), (C), (D), (E) or (F) is arranged outside the reference surface.
US11150624B2 System and method for fail-safe provision of an analog output value
A method for fail-safe provision of an analog output value for a control process designed for functional safety, wherein the output value is specified by a control unit as a digital output value and, in a first step, the digital output value is converted into the analog output value via a converter, in a second step, the analog output value is converted into a fail-safe digital output value using fail-safe criteria via a read-back device and, in a third step, the originally provided digital output value is compared with the converted fail-safe digital output value, where in the event of the comparison revealing a deviation or of a plausibility criterion being infringed, a safety action is performed, otherwise, the analog output value is output to the control process with the aid of a release device.
US11150619B2 Intelligent lighting control system based on internet of things
The invention discloses an intelligent lighting control system based on Internet of Things, comprising a gateway, a cloud server a plurality of DALI systems, each DALI system includes a DALI bus 100 connected to the gateway, and each DALI bus is provided with a power node, a plurality of execution nodes, a plurality of control nodes and a plurality of sensor nodes, and the number of execution nodes on each DALI bus ranges from 1 to 64; the intelligent terminal can perform data interaction with any one of the nodes in any DALI system under the gateway. In the present invention, a single gateway can provide up to 256 execution nodes, which can be applied to construct a large and complex lighting control system.
US11150618B2 Packetized energy management control systems and methods of using the same
Aspects of the present disclosure include anonymous, asynchronous, and randomized control schemes for distributed energy resources (DERs). Such control schemes may include packetized energy management (PEM) control schemes for managing DERs that may provide near-optimal tracking performance under imperfect information and consumer quality of service (QoS) constraints.
US11150610B2 Push button device and timepiece
A push button device including a supporting member which is provided with a through hole and in which a recess section is provided outside the through hole, an operation member which includes a shaft section that is slidably inserted into the through hole, and a head section that is provided on an outer end of the shaft section and slidably fitted into the recess section, a first filter which is provided in the recess section and arranged at a position surrounded by an annular first groove section into which an outer circumferential convex section of the head section is fitted and the outer circumferential convex section, and a second filter which is provided in the head section and arranged at a position surrounded by an annular second groove section into which an inner circumferential convex section of the recess section is fitted and the inner circumferential convex section.
US11150602B2 Mounting arrangement for drum cartridge and developing cartridge
A drum cartridge that enables a developing cartridge to be mountable thereon, includes a photosensitive drum rotatable about a shaft extending in a first direction, and an electrically conductive movable member. When the developing cartridge is mounted on the drum cartridge, the movable member applies pressure to a developing electrode included in the developing cartridge toward the photosensitive drum.
US11150600B2 Image forming apparatus
An image forming apparatus includes a drum cartridge and developing cartridge. The drum cartridge may include a photosensitive drum rotatable about a first axis extending in an axial direction. The developing cartridge may include a developing roller rotatable about a second axis extending in the axial direction. The image forming apparatus may include a main casing including a slot extending in the axial direction. The image forming apparatus may include a first inner surface positioned inside of the slot, and a second inner surface positioned inside of the slot farther from the cover in the axial direction than the first inner surface from the cover in the axial direction. The first and second inner surfaces may be configured to press the developing roller toward the photosensitive drum.
US11150595B2 Optical security device based on a surface of revolution
An optical article printed on a substrate may include an organic binder; and a plurality of reflective magnetic platelets provided in the organic binder, wherein the plurality of reflective magnetic platelets are substantially aligned in accordance with at least part of a surface of revolution, and wherein the plurality of reflective magnetic platelets are aligned to cause a first reflective effect of the optical article when the substrate is rotated around a first axis and to cause a second reflective effect of the optical article when the substrate is rotated around a second axis, wherein the first reflective effect is different from the second reflective effect.
US11150591B2 Drum unit, cartridge, electrophotographic image forming apparatus and coupling member
A drum unit includes a photosensitive drum in a coupling member. The coupling member includes an engageable member having a driving force receiving portion which is capable of entering a recess of a driving shaft to receive a driving force for rotating photosensitive drum. The coupling member includes a holding member configured to hold said engageable member so as to be slidable at least in a radial direction of said drum unit.
US11150588B2 Sheet processing apparatus and image forming apparatus having the same
A sheet processing apparatus includes a conveying portion for conveying sheets, a conveying path for sheets, a stack portion for stacking sheets, a first binding portion having a first binding member and moving in a crossing direction crossing to the conveying direction, a first regulating portion which regulates a position of a sheet bundle stacked on the stack portion, a second regulating portion which regulates a position of a sheet bundle stacked on the stack portion, a third regulating portion which regulates a position of a sheet bundle, and a second binding portion which has a second binding member and binds a corner portion of a sheet bundle without a staple. The first binding portion binds a corner portion of a sheet bundle by a staple. The second binding member is located at a downstream of the first binding member in the conveying direction.
US11150578B2 Developing device having air discharge duct and image forming apparatus including the developing device
A developing device includes a developing container, a first stirring member and a second stirring member, and a developing roller. The developing container includes a first stirring chamber, a second stirring chamber, and a communication portion. The first stirring member includes a reverse spiral vane that conveys a developer in a direction reverse to a circulation direction. An air discharge duct is formed on a wall portion of the first stirring chamber opposed to the reverse spiral vane and in an area excluding the communication portion and discharges air from the first stirring chamber to an outside of the developing container via an air discharge port at a distal end of the air discharge duct. A filtration portion is disposed in the air discharge duct adjacently to the air discharge port and restricts leakage of the developer through the air discharge port.
US11150577B1 Detachable container and container mounting apparatus using the same
A detachable container includes: a container body; and operation units on both sides of the container body attaching and detaching the container body. Each operation unit includes an outer gripping unit at an outer side of a respective one of both side walls of the container body, an inner gripping unit at an inner side of the respective one of both side walls of the container body in the width direction in an attachment and detachment operation side surface of the container body, and a cover projecting in an eave shape laterally from a respective one of both sides of the attachment and detachment operation side surface of the container body in the width direction, the cover covering the gap between the respective one of both side walls of the container body and a projecting end of the outer gripping unit when viewed from the attachment and detachment operation side.
US11150574B2 Image forming apparatus
An image forming apparatus includes a plurality of image forming units, a developing voltage power supply, a current detection unit, and a control unit. The image forming units form an image by superimposing a toner image of a same color and a same type, and substantially same development conditions are set to evenly divide an image density among the image forming units. The control unit detects whether there is an anomaly in the image forming unit based on detecting a DC component of developing current, being either of current flowing through a non-exposed portion of an image carrier during image formation, and current flowing through an exposed portion of the image carrier. When an anomaly is detected in any image forming unit, the control unit inhibits use of the image forming unit, and resets the development conditions to evenly divide an image density among the usable image forming units.
US11150573B2 Developing cartridge having electrode
A developing cartridge includes a casing, a rotating member, and an electrode member. The casing may be configured to accommodate therein developer. The rotating member has a rotational shaft extending in an axial direction. The rotating member is configured to rotate about the rotational shaft and carries the developer thereon. The electrode member is configured to be electrically connected to the rotating member. The electrode member covers at least part of the rotational shaft from an orthogonal direction orthogonal to the axial direction and is arranged to confront the casing in the axial direction. The electrode member is configured to move in the orthogonal direction in accordance with a movement in the axial direction.
US11150553B2 Methods of forming imprinted patterns
A method of forming imprinted patterns is provided. The method may include detecting a particle located on a wafer. The method may include distributing an imprint medium material on a surface of the wafer. The method may include forming an imprint medium layer on a surface of the wafer with a template and the imprint medium material.
US11150532B2 Display apparatus
A display apparatus includes a display module, a protective layer and at least one discontinuous printed pattern. The display module has a display area. The protective layer covers the display module. The discontinuous printed pattern is on the protective layer. The display area is partially covered by the discontinuous printed pattern.
US11150527B2 Display panel and display device
Provided are a display panel and a display device. The display panel includes: a substrate, including a display area; a first metal layer, including a plurality of scan lines; a second metal layer, including a plurality of first traces, wherein projections of the plurality of first traces on the substrate are located in the display area; and a driving chip, wherein at least a portion of the scan lines are connected to the driver chip through the first traces.
US11150522B2 Display device
A liquid crystal display device includes a first substrate, a second substrate, a liquid crystal sandwiched between the substrates, and a display region. A hole portion is formed in the display region. A first seal portion is formed to surround the display region. A second seal portion is formed to surround the hole portion. The first and the second seal portions seal the liquid crystal. The second seal portion has a first end portion on the liquid crystal side and a second end portion on the opposite side of the liquid crystal side. A sealing material is present in the first end portion. A sealing material is present in the second end portion. A wall-like spacer is formed between the first and the second end portions to surround the hole portion. The wall-like spacer defines the gap between the first and the second substrates.
US11150518B2 Liquid crystal display device
Provided is a liquid crystal display device comprising a first substrate, a second substrate, and a liquid crystal composition disposed between said first substrate and said second substrate, wherein a surface of said first substrate in contact with said liquid crystal composition is provided with an alignment layer, while said second substrate has no alignment layer; and said liquid crystal composition comprises a liquid crystal compound, a self-aligning agent, and a polymerizable compound represented by Formula I,
US11150510B2 Backlight module and display terminal
A backlight module and a display terminal are disclosed. As an example, the backlight module includes at least one lamp board, a plurality of LED lamps, and at least one wire terminal. The at least one lamp board includes a first surface and a second surface opposite to the first surface. The plurality of LED lamps is arranged in an array on the first surface. The at least one wire terminal is disposed on the second surface and electrically connected to the plurality of LED lamps.
US11150507B2 Optical composite film, display panel and display device
An optical composite film includes a reflection grating film layer, an optically-uniaxial optical film layer, and a substrate layer. The optically-uniaxial optical film layer includes a plate-shaped portion and a plurality of refraction portions, where the plate-shaped portion is disposed on the reflection grating film layer, the plurality of refraction portions is disposed on a side of the plate-shaped portion away from the reflection grating film layer, the plurality of refraction portions is selected from one type of camber columns and quadrangular prisms, and an extraordinary light refractive index of the optically-uniaxial optical film layer is less than an ordinary light refractive index of the optically-uniaxial optical film layer; and the substrate layer is stacked on a side of the plate-shaped portion close to the refraction portion.
US11150506B2 Display module
A display module includes a display panel including two substrates and a display medium sandwiched between the two substrates, a wavelength modulation unit including a carrier substrate and a wavelength modulation layer on the carrier substrate, the carrier substrate having a coefficient of thermal expansion substantially matching coefficients of thermal expansion of the two substrates, an adhesive layer bonding the display panel and the wavelength modulation unit to form a space between the display panel and the wavelength modulation unit, and an optical film interposed in the space to be clamped between the display panel and the wavelength modulation unit.
US11150484B2 System and method for curved light sheet projection during two-photon polymerization
A laser-based manufacturing system is disclosed for fabricating non-planar three-dimensional layers. The system may have a laser for producing a laser beam with a plurality of optical wavelengths. An optically dispersive element may be used for receiving the laser beam and splitting the beam into a plurality of distinct beam components, wherein each beam component has spatially separated optical spectral components. A phase mask may be used which is configured to receive at least one of the beam components emerging from the dispersive element and to create a modified beam. One or more focusing elements may then be used to receive the modified beam emerging from the phase mask and to focus the modified beam into a non-planar light sheet for use in fabricating a part.
US11150483B2 Diffractive optical beam shaping element
A diffractive optical beam shaping element for imposing a phase distribution on a laser beam that is intended for laser processing of a material includes a phase mask that is shaped as an area and is configured for imposing a plurality of beam shaping phase distributions on the laser beam incident on to the phase mask. A virtual optical image is attributed to at least one of the plurality of beam shaping phase distributions, wherein the virtual image can be imaged into an elongated focus zone for creating a modification in the material to be processed. Multiple such elongated focus zones can spatially add up and interfere with each other, to modify an intensity distribution in the material and, for example, generate an asymmetric modification zone.
US11150480B1 Systems and methods for translation of optical components
The disclosed head-mounted display systems may include an optical element supported by a head-mounted display frame, a projector mounted to the head-mounted display frame, and at least one voice coil actuator mounted on the head-mounted display frame. The projector may be configured to project, via the optical element, an image toward an eye of a user of the head-mounted display system. The at least one voice coil actuator may be coupled to at least one of the projector or the optical element. When actuated, the at least one voice coil actuator may translate at least one of the projector or the optical element in at least one direction relative to the head-mounted display frame. Various other methods, systems, and methods of manufacture are also disclosed.
US11150473B2 Polarization sensitive beam splitter
An optical device includes a first polarization selective reflector; a second polarization selective reflector positioned relative to the first polarization selective reflector so that the first polarization selective reflector directs first light having a first nonplanar polarization toward the second polarization selective reflector and the second polarization selective reflector directs at least a portion of the first light toward the first polarization selective reflector as second light. The optical device includes a first reflector positioned relative to the first polarization selective reflector so that the first polarization selective reflector directs at least a portion of the second light having a second nonplanar polarization toward the first reflector as third light.
US11150472B2 Display system, visibility evaluation method, and method of determining size of visual target
The display system includes a first storage unit storing standardized data composed chromaticity values and luminance values. An information acquirer acquires luminance values and chromaticity values of a visual target and luminance and chromaticity values of a background thereof. A standardization unit standardizes the chromaticity values and the luminance values of the visual target and the background based on these chromaticity values and the luminance values of the visual target and the background thereof and the standardized data stored in the first storage unit. A visual target contrast calculator calculates a contrast of a visual target to a background by measuring a distance in a color space between the visual target and the background each defined by the standardized luminance and chromaticity values. A second storage unit stores an expression defining a relation between the contrast thereof to the background and a size of the visual target.
US11150470B2 Inertial measurement unit signal based image reprojection
A head-mounted display is presented. The head-mounted display includes an inertial measurement unit (IMU), one or more displays and a controller. The controller is configured to establish a reprojection plane for displaying imagery on the one or more displays. Based on output from the IMU, the position and orientation of the HMD relative to the reprojection plane is determined. Image data is then reprojected to the displays. A depth treatment is applied to each of a plurality of locations on the displays based on the determined position and orientation of the HMD relative to the reprojection plane.
US11150463B2 Optical module and electronic apparatus
An optical module includes: a filter holding member to which an interference filter having a pair of mirrors facing each other is fixed; a base to which the filter holding member is fixed; and a first fixing member which fixes the filter holding member to the base. In the optical module, k
US11150460B2 Cell culture microscopy slides
Disclosed is a cell culture microscopy slide comprising an optically transparent generally flat supporting surface (20) including upper and lower opposed substrate surfaces (27,28). A peripheral frame (40) surrounds the substrate (20), the frame (40) having a lower frame surface (44) and an upper frame surface (42). The lower frame surface (44) and the lower substrate surface (28) are generally flush. The upper frame surface (42) lies above the upper substrate surface (27), to form a well (32), and the upper and lower frame surfaces (42,44) are continuously flat and generally parallel. The substrate is preferably glass having a thickness of 1.7 mm.
US11150457B2 Observation device
An observation device includes an objective lens disposed below a container to collect light from a specimen; a surface light source that is disposed at a pupil position of the objective lens in the optical path of the illumination light, that causes illumination light to enter the container from below, and that can change a light emission pattern in a direction intersecting an emission optical axis, an imaging optical system that captures light from the specimen generated by the specimen being irradiated with the illumination light from the surface light source and focused by the objective lens below the container; and a controller that corrects a light emission pattern on a basis of the light emission pattern and at least one of a brightness, contrast, and the relationship between the number of pixels and the luminance of an acquired image with the light emission pattern.
US11150453B2 Scanning device for scanning an object for use in a scanning microscope
A scanning device for scanning an object in a scanning microscope includes at least one scanning unit configured to two-dimensionally scan the object using a light beam. The scanning unit includes at least one deflection element configured to deflect a light beam impinging thereon. The deflection element is rotationally symmetric in shape. At least one rotation device is configured to rotate the scanning unit about an axis of rotation so as to allow for image field rotation.
US11150451B2 Zoom optical system, optical apparatus and method for manufacturing the zoom optical system
A zoom optical system (ZL) comprises a first negative lens group (G2) having a negative refractive power; and a second negative lens group (G4) disposed closer to an image than the first negative lens group (G2), wherein a distance between the first negative lens group (G2) and the second negative lens group (G4) changes during zooming, at least part of the first negative lens group (G2) is movable so as to have a displacement component in a direction perpendicular to an optical axis, at least part of the second negative lens group (G4) is movable along the optical axis during focusing, and the following conditional expression, 0.50
US11150448B2 Vehicle windshield mounted camera module
A camera module, which is mounted on an inside of a front windshield of a vehicle and to image an external environment of the vehicle, includes a lens unit and an imager to image the external environment by forming an optical image, which is from the external environment through the lens unit.
US11150443B2 Imaging lens
An imaging lens includes a stop; a first lens having positive refractive power; a second lens having negative refractive power; a third lens; a fourth lens having positive refractive power; a fifth lens; a sixth lens; and a seventh lens, arranged in this order from an object side to an image plane side. The first lens is formed in a meniscus shape near an optical axis thereof. The third lens is formed in a shape so that a surface thereof directing to the image plane side is concave near an optical axis thereof. The sixth lens is formed in a meniscus shape near an optical axis thereof.
US11150442B2 Zoom lens system and imaging device
A zoom lens system includes, in order from an object side to an image side: a first lens group having positive power; a second lens group having negative power; a third lens group having positive power; a fourth lens group having negative power; a fifth lens group having positive power; and a sixth lens group having power. During zooming from wide angle extremity to telephoto extremity, the distance between respective lens groups changes. The fifth lens group is composed of at most two lens elements, at least one of which is a concave meniscus lens element having a convex surface facing the object side.
US11150440B2 Supporting and handling system for optical devices and instrumentation
A supporting and handling system for optical devices, in particular telescopes, radio-telescopes or sun concentrators, and instrumentation, is described, comprising: a primary unit; an independent secondary unit; first motored means for moving the primary unit; second motored means for moving the secondary unit; an arc-shaped structure equipped with sliding guides in altitude with respect to the ground for the rotation of the secondary unit with respect to an altitude rotation axis; a hexapod system to move the primary unit; and a control system.
US11150437B1 Prescription adjustment methods and systems for varifocal subsystems
Head-mounted display systems may include a display subsystem, an optics subsystem, a prescription accommodation subsystem, and a varifocal adjustment subsystem. The prescription accommodation subsystem may include a prescription accommodation actuator that is configured to adjust a focus of a displayed image to account for the user's visual refractive error. The varifocal adjustment subsystem may include a varifocal adjustment actuator configured to further adjust the focus of the image to change a perceived view of the image on the display subsystem. Various other methods, systems, and computer-readable media are also disclosed.
US11150432B2 High fiber count pre-terminated optical distribution assembly
Embodiments of a furcated optical fiber cable are provided. A main distribution cable has optical fibers surrounded by a cable jacket. The optical fibers are divided into at least two furcation legs. A furcation plug is located at a transition point between the main distribution cable and the at least two furcation legs. The furcation plug surrounds at least a portion of the main distribution cable and each of the at least two furcation legs. Optical connectors are provided for each of the at least two furcation legs, and each connector includes optical fibers that are spliced at a splice location to the optical fibers of the connector's respective furcation leg. The splice location is closer to the connector than to the furcation plug. A method of furcating an optical fiber cable and a pulling configuration for the furcated optical fiber cable are also provided.
US11150425B2 Downhole strain sensing cables
A downhole strain sensing cable includes a core optical unit which includes a plurality of optical fibers. A fiber-reinforced polymer matrix layer surrounds and contacts the core optical unit. An extrusion layer surrounds and contacts the fiber-reinforced polymer matrix layer. An outer metal tube surrounds and contacts the extrusion layer.
US11150422B1 Optical connector
An optical connector includes: a base substrate; an optical device on the base substrate; an optical fiber optically aligned with the optical device; and a reflective injection-molded part arranged on the base substrate to cover the optical device and providing a reflective surface in an optical path between the optical device and the optical fiber, wherein the reflective injection-molded part includes: a prism providing the reflective surface; an alignment leg supporting the prism in a state in which the prism is at a height from the base substrate; a main block on a side of the prism, the side of the prism being opposite the base substrate; and a plurality of support ribs branching off at intermittent positions along the main block and supporting the prism with respect to the main block.
US11150421B2 Optical fiber ferrule adapter
The present disclosure provides an optical fiber ferrule adapter. The optical fiber ferrule adapter comprises a first ceramic ferrule, an output optical fiber assembly, and a first collimating lens, a second collimating lens, a half wave plate, a Faraday rotator, a first birefringence member and a second birefringence member which are provided between the first ceramic ferrule and the output optical fiber assembly. The first birefringence member is adjacent to the first ceramic ferrule, the second birefringence member is adjacent to the output optical fiber assembly; the first collimating lens, the second collimating lens, the Faraday rotator and the half wave plate are arranged between the first birefringence member and the second birefringence member; the Faraday rotator is positioned between the first collimating lens and the second collimating lens. The optical fiber ferrule adapter can isolate a reverse light and have a smaller structural dimension, which meets the trend of miniaturization.
US11150420B2 Telecommunications module
A telecommunications module defines an interior with separate right and left chambers. An optical component is housed within the left chamber. Signal input and output locations are exposed to the right chamber. The right chamber allows excess fiber to accumulate without bending in a radius smaller than a minimum bend radius. A dual-layered cable management structure is positioned within the right chamber that defines a lower cable-wrapping level and a separate upper cable-wrapping level. The upper cable-wrapping level is defined by a removable cable retainer mounted on a spool defining the lower-cable wrapping level. Cabling carrying the input and output signals are passed between the right and left chambers before and after being processed by the optical component.
US11150418B2 Optical connector ferrule and optical connector
An optical connector ferrule according to an embodiment includes an MT ferrule, and a spacer mounted on an optical end surface of the MT ferrule and having a guide hole into which a guide pin is inserted. The spacer has a contact surface that contacting the counterpart connector and a recess surrounded by the contact surface. The spacer includes a lens part exposed on a bottom surface of the recess and optically coupled to the optical end surface of the MT ferrule and a base part that retains the lens part by surrounding the lens part. The material of the lens part and the material of the base part are different from each other, and the difference between the linear expansion coefficient of the base part and the linear expansion coefficient of the MT ferrule is 0.5×10−5/° C. or less.
US11150416B2 Dust mitigating optical connector
A light coupling unit includes a first major surface comprising one or more substantially parallel first grooves oriented along a first direction for receiving one or more optical waveguides. A second major surface for slidably contacting a mating light coupling unit comprises an optically transmitting window for propagating an optical signal therethrough, and a region of second grooves and lands configured to capture particulate contaminants in the second grooves.
US11150415B2 Field changeable fiber optic connector polarity keying
A fiber optic connector along with a tool allows for the changing of the polarity of the fiber optic connector. Keys may be installed in both the top and the bottom of the fiber optic connector, one in a first position and the other in a second position. Using the tool in one back-and-forth motion, the polarity of the fiber optic connector can be changed. The keys have a configuration that resist an incorrect insertion and provide better retention of the keys in the correct configuration due to a better retention force.
US11150410B2 Movable optical switching medium
Systems, devices, and methods may use input/output (I/O) apparatus and an optical switching medium to switch, or route, optical data signals. The optical switching medium may include a plurality of optical switching regions. The I/O apparatus may transmit optical data signals to and receive optical data signals from the optical switching medium to provide switching functionality.
US11150393B2 Multilayer optical film
Thermoplastic birefringent multilayer optical films are described. More particularly, thermoplastic multilayer films having alternating first and second layers having a linear layer profile where both outer layers are thinner than 350 nm but thicker than 150 nm are described. Thermoplastic birefringent multilayer optical films with thinner outer protective boundary layers are described.
US11150392B2 Optical element and production method for optical element
An optical element 1 includes a first layer (A1) and a second layer (A2) that faces the first layer (A1). The first layer (A1) includes a plurality of first structural bodies (B1) that each have optical anisotropy. In reflection of light entering from the first layer (A1), the second layer (A2) reflects the light while maintaining a polarization state of the light at incidence and at the reflection. The first layer (A1) changes, according to directions of orientation of the first structural bodies (B1), a phase of the light from a phase at incidence to the first layer (A1) from outside of the first layer (A1) to a phase at output from the first layer (A1) toward the second layer (A2). The first layer (A1) changes the phase of the light from a phase at incidence to the first layer (A1) from the second layer (A2) to a phase at output from the first layer (A1) toward the outside of the first layer (A1) according to the directions of orientation of the first structural bodies (B1).
US11150386B2 Polarizer protective film comprising a cured resin
The present invention relates to a polarizer protective film comprising a cured resin and exhibiting high hardness and excellent properties.
US11150371B2 System and method for deriving reservoir stresses from 4D seismic data
A method is described for seismic imaging including determination of reservoir stresses. The method may include the use of elastic full waveform inversion (FWI), 3rd-order elasticity, and finite-difference strain calculations. The method may be executed by a computer system.
US11150366B2 Latch mechanism for streamer device
A streamer device or other system can include a pylon configured to attach to a locking collar, and a latch mechanism with a seat component. The latch mechanism comprises a pin member configured to attach to the locking collar, and a bias component. The seat component can be configured to retain the bias component when the pylon is attached to the locking collar, and the bias component can be configured to bias the pin member to hold the locking collar to the pylon. The bias may responsive to a position of the seat component, or determined or controlled at least in part based on the position.
US11150361B2 X-ray imaging system for phase contrast imaging using photon-counting events
An x-ray imaging system includes an x-ray source and detector. The detector is a photon counting x-ray detector, enabling detection of photon-counting events. The system acquires at least one phase contrast image based on photon-counting events. The detector includes x-ray detector sub-modules, also referred to as wafers, each including detector elements. The sub-modules are oriented in edge-on geometry with their edge directed towards the x-ray source, assuming the x-rays enter through the edge. Each sub-module or wafer has a thickness with two opposite sides of different potentials to enable charge drift towards the side, where the detector elements/pixels, are arranged. The system estimates charge diffusion from a Compton interaction or an interaction through photoeffect related to an incident x-ray photon in a sub-module or wafer of the x-ray detector, and estimates a point of interaction of the x-ray photon sub-module based on the determined estimate of charge diffusion.
US11150360B2 Altering paths of optical photons passing through a scintillator
A method for altering paths of optical photons that pass through a scintillator. The scintillator includes a plurality of vertical sides. The method includes forming a reflective belt inside the scintillator by creating a portion of the reflective belt inside the scintillator on a vertical plane parallel with a vertical side of the plurality of vertical sides. Creating the portion of the reflective belt includes generating a plurality of defects on the vertical plane.
US11150339B2 System for verifying distance measurements
A first device (110) for distance measurement via wireless communication (130) uses a ranging protocol for determining a distance (140) to a second device (120) via a round trip time measurement, wherein first time data represents the round trip time and second time data represents a response time between receiving a request and sending a corresponding acknowledge. The second device receives the round trip time and determines the distance. The first device determines third time data by subtracting from the first time data a calculated travelling time of the messages between the first device and the second device based on the determined distance, and determines identifier data indicative of hardware and/or software present in the second device. The device then obtains, from a database based on the identifier data, a reference interval value, and verifies whether the determined distance is reliable by comparing the third time data to the reference interval value.
US11150338B2 Azimuth calculation device and azimuth calculation method
An azimuth calculation device includes: an acquiring unit configured to acquire signals of plural receiving antennas of an antenna group in which the plural receiving antennas are arranged in each of a first axis direction and a second axis direction, based on reception signals received by the antenna group; a first azimuth calculation unit configured to perform a calculation of a direction of arrival of radio wave in the first axis direction based on the signals of the plural receiving antennas acquired; a vector decomposition unit configured to perform vector decomposition with respect to each of antenna arrangement positions in the second axis direction using a result of the calculation by the first azimuth calculation unit; and a second azimuth calculation unit configured to perform a calculation of a direction of arrival of radio wave in the second axis direction, using a result of the vector decomposition.
US11150336B2 Positioning sensor and direction estimation method
An estimation device including a processor and a memory. The processor acquires multiple reception signals received via multiple reception antennas at a predetermined sampling cycle in a predetermined period. The processor further calculates complex transfer functions and records each of the complex transfer functions in the memory as being associated with each time point at which each of the reception signals is observed. The processor also extracts, among the complex transfer functions, pairs of two complex transfer functions respectively corresponding to two time points in a predetermined interval, and calculates pieces of differential information representing a difference between a pair of two complex transfer functions included in each of the pairs of two complex transfer functions. Based on the above, the processor estimates a direction to a location of a moving body with respect to the estimation device based on each of the plurality of pieces of differential information.
US11150335B2 Processing unit and processing method for forward recognition system, forward recognition system, and motorcycle
A processing unit includes: an acquisition section that acquires forward environment information corresponding to output of a forward environment detector; a recognition section that recognizes the target on the basis of the forward environment information; and a control section that controls the forward environment detector. During travel of the motorcycle, the acquisition section acquires posture information related to a bank angle of the motorcycle, and the control section changes a detection angle range for forward detection of the motorcycle by the forward environment detector in accordance with the posture information.
US11150327B1 System and method for synthetic aperture radar target recognition using multi-layer, recurrent spiking neuromorphic networks
A system configured to identify a target in a synthetic aperture radar signal includes: a feature extractor configured to extract a plurality of features from the synthetic aperture radar signal; an input spiking neural network configured to encode the features as a first plurality of spiking signals; a multi-layer recurrent neural network configured to compute a second plurality of spiking signals based on the first plurality of spiking signals; a readout neural layer configured to compute a signal identifier based on the second plurality of spiking signals; and an output configured to output the signal identifier, the signal identifier identifying the target.
US11150318B2 System and method of camera-less optical motion capture
According to some embodiments, a motion tracker device can include a substrate and a plurality of light-direction detectors mounted on the substrate. Each light-direction detector may be configured to: detect, at two optically isolated points, the intensity of a light from a light source; generate a current signal representing the photodiode differential and proportional to the intensity of the light; and transmit the current signal to a computing device. Each of the plurality of light-direction detectors can be mounted on the substrate at an angle selected such that the computing device can use the transmitted signal to determine the motion of a motion tracker with six degrees of freedom.
US11150314B2 Automatically optimized MR imaging with ultra-short echo times
Automated setting techniques for MR imaging with ultra-short echo times in a region to be examined are described. With the method protocol parameter values for an MR imaging method are determined. The protocol parameters comprise a predetermined imaging resolution. Optimized values for echo time and bandwidth are also determined based on an image signal simulation, which is based on the determined protocol parameters. The signal to noise ratio and point spread function are used as optimization criteria.
US11150311B2 Device and method for detecting defect contour with omnidirectionally equal sensitivity based on magnetic excitation
A device and a method for detecting a defect contour with omnidirectionally equal sensitivity based on magnetic excitation are provided. The device includes a magnetic sensor array arranged in a spatially uniform magnetic field and configured to collect a magnetic field signal, and a data analysis module configured to analyze the magnetic field signal, extract a distorted magnetic field signal, and obtain an image of the defect contour based on the distorted magnetic field signal.
US11150305B2 Method of estimating residual energy for a battery
A method of estimating the residual energy of a battery. The method comprises determining the battery's state of charge (SOC) and dischargeable capacity to determine the battery's state of energy (SOE), determining the battery's reference dischargeable energy (Eref) and total dischargeable energy (Etot), and comparing the state of energy to the total dischargeable energy to find the residual energy of the battery. The various functions of the method use battery current, cell temperature, and state of health (SOH) as variables for consideration.
US11150300B2 Adaptive blanking of over current fault detection circuits in power conversion gate drivers
An electronic circuit comprises a power switch circuit and a fault detection circuit. The power switch circuit includes a transistor. The fault detection circuit includes a first comparator circuit configured to compare a monitored voltage of the transistor to a detection threshold voltage and produce an indication of a circuit fault according to the comparing, and a delay circuit configured to delay the comparing by the first comparator circuit according to slew rate of the monitored voltage.
US11150299B2 Flexible isometric decompressor architecture for test compression
A system for testing a circuit comprises scan chains, a controller, and hold-toggle circuitry. The hold-toggle circuitry is configured to allow, according to a control signal generated by the controller, some scan chains in the scan chains to operate in a full-toggle mode and some other scan chains in the scan chains to operate in a hold-toggle mode when a test pattern is being shifted into the scan chains. The control signal also contains information of a hold-toggle pattern for the scan chains operating in the hold-toggle mode. The hold-toggle pattern repeats multiple times when the test pattern is being shifted into the scan chains.
US11150286B2 Wireless passive probe
A wireless passive probe solves problems such as the measurement accuracy of the field strength detecting device in the prior art is affected by the communication device and the system structure is complicated, which includes a probe for collecting data in the field to be measured; wherein the wireless passive probe further comprises: a wireless transmission module, an antenna module, sensors, and a microprocessor. The wireless passive probe of the present invention transmits position temperature, field strength, moisture, air pressure probe serial numbers and the coordinate signals of the probe in real time through the wireless transmission module, and provides the power supply to the communication module through detecting or receiving microwave signals through the antenna, thereby avoiding inaccurate wireless measurement of the probe field caused by the field to be tested which is not tightly sealed and the cable.
US11150280B2 Apparatus and method for current measurement
A current measurement circuit may use a probabilistic technique to determine a current from a circuit block. In one embodiment, the circuit includes a comparator circuit, a first current sensing element (such as a first resistor), and a control circuit. The first current sensing element is coupled to the comparator circuit to establish a first comparator input signal representative of the current at an input of the comparator circuit. The control circuit is coupled to the comparator circuit to obtain a first plurality of comparator output decisions corresponding to the first current sensing element for a specified count, determine a first proportion of comparator output decisions meeting a specified criterion, and determine a voltage value of the first comparator input signal from the first proportion. The control circuit is configured to determine a current value using the voltage value of the first comparator input signal and an impedance value of the first current sensing element. The current measurement circuit is relatively low-cost and easy to implement, without requiring a precision reference voltage, current, and/or high-cost analog-to-digital converters (ADCs).
US11150273B2 Current sensor integrated circuits
A current sensor integrated circuit (IC) includes a unitary lead frame having at least one first lead having a terminal end, at least one second lead having a terminal end, and a paddle having a first surface and a second opposing surface. A semiconductor die is supported by the first surface of the paddle, wherein the at least one first lead is electrically coupled to the semiconductor die and the at least one second lead is electrically isolated from the semiconductor die. The current sensor IC further includes a first mold material configured to enclose the semiconductor die and the paddle and a second mold material configured to enclose at least a portion of the first mold material, wherein the terminal end of the at least one first lead and the terminal end of the at least one second lead are external to the second mold material.
US11150260B2 Sensor devices and methods for producing sensor devices
A sensor device comprises a magnet having a magnetization in a first direction. Furthermore, the sensor device comprises a differential magnetic field sensor arranged on the magnet and having a first sensor element and a second sensor element, wherein the sensor elements are spaced apart in a second direction perpendicular to the first direction. The first sensor element and the second sensor element are designed to detect a magnetic field component in a third direction perpendicular to the first direction and perpendicular to the second direction.
US11150244B2 Apparatus and method for detecting microbial contamination
Provided are novel methods for screening and testing for pathogens in food, water, and bodily fluids using methods that are faster to complete than conventional methods of culturing and plating that require lengthy times in properly equipped labs. The invention utilizes specific, rapid and sensitive optical detection to capture small concentrations of the target bacteria and render them amenable for detection with various specific synthesis binding agents approaches. The technique merges capture and detection steps with quantification unit suitable to provide results in a relatively shorter time current detection methods.
US11150242B2 Immune cell trapping devices and methods for making and using the same
Embodiments herein described provide devices for identifying and collecting rare cells or cells which occur at low frequency in the body of a subject, such as, antigen-specific cells or disease-specific cells. More specifically, the devices are useful for trapping immune cells and the devices contain a physiologically-compatible porous polymer scaffold, a plurality of antigens, and an immune cell-recruiting agent, wherein the plurality of antigens and the immune cell recruiting agent attract and trap the immune cell in the device. Also provided are pharmaceutical compositions, kits, and packages containing such devices. Additional embodiments relate to methods for making the devices, compositions, and kits/packages. Further embodiments relate to methods for using the devices, compositions, and/or kits in the diagnosis or therapy of diseases such as autoimmune diseases or cancers.
US11150230B2 Hydrogen sensor and preparation method therefor, and method for implementing hydrogen detection
A hydrogen sensor and preparation method therefor, and a method for implementing hydrogen detection using the hydrogen sensor. The hydrogen sensor comprises an elastic substrate and a hydrogen sensitive material-based nanofilm positioned on the elastomeric substrate. The preparation method for the hydrogen sensor comprises the following steps: mixing a liquid elastomeric material and a curing agent, and uniformly stirring the mixture to obtain a mixed liquid, wherein the mass ratio of the liquid elastomeric material to the curing agent is 5:1-20:1; removing bubbles in the mixed liquid; drying and curing the mixed liquid in which bubbles are removed to obtain an elastomeric substrate; and depositing a hydrogen sensitive nanomaterial on the elastomeric substrate to form a hydrogen sensitive material-based nanofilm. The hydrogen sensor and the method for implementing hydrogen detection using the hydrogen sensor feature high sensitivity and simple production.
US11150227B2 Microwave resonator flame ionization detector
A microwave resonator flame ionization detector assembly includes a microwave resonator disposed proximate a flame to evaluate an ion concentration in a flame effluent. A resonant frequency of the microwave resonator is detected, and a reflection coefficient of the resonator is used to determine an electric permittivity of a material in which the resonator is immersed. The electric permittivity depends on an ion concentration proximal to the resonator, and the ion concentration is related to the concentration of hydrocarbons present in the flame.
US11150220B2 Online analyzers for flare gas processing
A method includes receiving data characterizing a speed of an acoustic signal through a gas mixture in a pipe. The speed of the acoustic signal can be detected by an ultrasonic flow meter coupled to the pipe. The method also includes receiving data characterizing a concentration of one or more inert gases in the gas mixture detected by an inert gas analyzer. The method further includes determining, based on the received data characterizing the speed of the acoustic signal and the received data characterizing the concentration of the one or more inert gases in the gas mixture, a net heating value of the gas mixture. The method also includes adjusting a processing of the gas mixture based on the determined net heating value.
US11150219B2 Bio-recognition elements
Biosensor BS comprising at least one polymer P wherein said polymer P is a copolymer of at least monomer M and at least one ester E of (meth)acrylic acid and polyethylene oxide, wherein said monomer M is different from ester E and has at least one ethylenically unsaturated double bond, wherein polymer P has a surface adsorption SA of at least 200 ng/cm2 on the respective surface where polymer P is deposited, said SA being determined by quartz crystal microbalance.
US11150218B2 Parallel tube inspection system
A system, apparatus, and method of quickly inspecting tubes of chemical plants is provided, where one or more tube inspection apparatuses are used to simultaneously perform electromagnetic testing (“ET”) of multiple tubes of a chemical plant by simultaneously lowering probes into separate tubes and transmitting the data to a processor. In some embodiments, the data from the probes can be transmitted in real or near-real time to a remote processor for analysis to determine whether any defects exist in the tubes and the extent of such defects.
US11150215B2 Microfluidic device with laterally insertable electrodes
The invention is notably directed to a microfluidic device. The device comprises a substrate with a microchannel formed as a groove on a main surface of the substrate. The device further comprises one or more conduits extending parallel to the main surface of the substrate, and from a lateral surface of the substrate up to a lateral wall of the microchannel. The one or more conduits are configured so as to allow insertion of one or more electrodes therein, respectively, and such that an end of each of the one or more electrodes can reach into the microchannel. The invention is further directed to related sets of components, which include the above microfluidic device, as well as a housing, with electronics, and, possibly, a porous support (e.g., a membrane) and a cap. Biosensing applications are notably contemplated. The invention is further directed to methods of operating a microfluidic device.
US11150210B2 System and method for identifying and cleaning contamination of an electrochemical sensor
Methods and systems for identifying contamination of an electrochemical sensor (10) and cleaning the electrochemical sensor (10) are provided. A method may comprise scanning the sensor (10) for the first time using CV to generate a reference set of readings; scanning the sensor (10) for the second time after the sensor (10) has been employed; comparing a second set of readings from the second CV scan to the reference set of readings; when the second set of readings is different from the reference set of readings, determining that the sensor (10) potential has shifted; scanning the sensor (10) for the third time to clean one or more elements of the sensor (10); scanning the sensor (10) for the fourth time; comparing a fourth set of readings from the fourth CV scan to the second set of readings; and determining that the potential of the sensor (10) has shifted due to pollution of the sensor (10), and/or that the sensor (10) can be further cleaned.
US11150208B2 Electrochemical impedance spectroscopy analyzer (“EISA”) chip for a microelectromechanical system (MEMS)
Various embodiments may provide an electrochemical impedance spectroscopy analyzer (EISA) chip for a microelectromechanical system (MEMS). In various embodiments, the EISA chip may perform an electrochemical impedance spectroscopy (EIS) test on a battery and may gather sensor data associated with a battery from sensors on the MEMS.
US11150207B2 Medical device position location systems, devices and methods
Methods, devices and systems for three-dimensional location of the disposition of a sensor coil in a subject including are disclosed. The systems include an array of three or more triplet or quadruplet drive coil sets, at least one moveable sensor coil configured to be disposed in a subject and to provide one or more sensor coil response signals responsive to the respective electromagnetic wave fields, a receiving component configured to control drive signals to the array of drive coil sets and to measure sensor coil response signals from the moveable sensor coil, and a processor is configured to determine a sensor coil disposition in the subject relative to said triplet or quadruplet drive coil sets. The receiving component provides a modified drive signal to maximize or optimize the generated respective electromagnetic wave fields, or the one or more sensor coil response signals.
US11150201B2 System and method of detecting defect of optical film
The present disclosure relates to a system and a method of detecting a defect of an optical film, and more particularly, to a system and a method of detecting a defect of an optical film, which obtain an image of a defect of an optical film projected onto a screen and detect the defect of the optical film. As an exemplary embodiment of the present disclosure, a system for detecting a defect of an optical film may be provided. The system for detecting a defect of an optical film may include: a lighting unit, which is spaced apart from the optical film, and irradiates light toward one surface of the optical film; a screen, which is spaced apart from the other surface of the optical film, and on which a defect existing in the optical film is projected and displayed according to the pass of the light irradiated from the lighting unit through the optical film; an imaging unit, which is spaced apart from the screen, and obtains an image of the defect of the optical film projected onto the screen; and an analyzing unit, which analyzes the obtained image, and detects the defect of the optical film based on a result of the analysis.
US11150194B1 Luminating garment inspection device
A luminating protective hood inspection device includes a luminating device within a designated inspection zone where a garment can be viewed. A transparent dome for the garment “protective hood” can be fit over to simulate a garment function. A rotating system provides a method where the garment can pass in front of the inspection zone. Various controls are provided including an on/off switch and or brightness control, a foot operated control switch, and a lightweight portable compact frame.
US11150193B2 Method, composition, and chip for detecting analyte in blood sample
A method for detecting an analyte in a blood sample includes dissolving a refractive index adjuster in the blood sample to obtain an analysis sample in which a difference in refractive index between a red blood cell and an extra-red blood cell fluid is reduced and detecting the analyte using the analysis sample.
US11150178B2 Sample-container holding member, light measurement device, and sample-container placing method
A sample-container holding member is detachably attached to an integrator via a fixing member and holds a sample container, which comprises a cell containing a sample and a cap, in a state where the sample container is placed in the integrator. The sample-container holding member comprises a pillar-shaped support portion fixed to the fixing member and a container attaching portion which is provided at an end of the support portion in the axial direction and to which the sample container is attached. The container attaching portion comprises a housing portion housing a cap and a holding portion having contact with at least three points on an outer surface of the cell and holding the sample container.
US11150156B2 Device for detecting refrigerant leak in refrigeration cycle
The purpose of the present invention is to propose a device for detecting refrigerant leaks in a refrigeration cycle. The device can be applied irrespective of whether a liquid-receiving tank is present, has a simple configuration, and can be installed easily and inexpensively as a retrofit. Moreover, the device is configured so as to detect the presence of leaks without stopping operation of the equipment, and is innovative and of exceptional utility such that there is no decrease in the equipment operation rate as caused by detection of leaks. Provided is a device for detecting refrigerant leaks in a refrigeration cycle, the device comprising an ultrasonic wave transmitter 1 for transmitting ultrasonic waves having a prescribed frequency, an ultrasonic wave receiver 2 for receiving the ultrasonic waves transmitted by the ultrasonic wave transmitter 1, an ultrasonic wave reception determination unit 3 for determining whether the ultrasonic wave receiver 2 has received the ultrasonic waves transmitted by the ultrasonic wave transmitter 1, and a leak reporting unit 4 for externally reporting a leak event when the ultrasonic wave reception determination unit 3 has determined that the ultrasonic wave receiver 2 has not received the ultrasonic waves transmitted by the ultrasonic wave transmitter 1.
US11150142B2 Thermocouple-fixing jig
There is provided a thermocouple-fixing jig for fixing a thermocouple to a linear heater, the thermocouple-fixing jig comprising a first member and a second member configured to hold the linear heater therebetween, wherein the second member comprises a first holding portion and a second holding portion that hold a temperature detection part of the thermocouple.
US11150138B2 Radiation thermometer
In order that a temperature of a measurement object whose non-transmission wavelength range is narrow, such as isopropyl alcohol can be measured highly accurately without increasing the size of a radiation thermometer, the radiation thermometer includes an infrared detection element to detect infrared ray emitted from the measurement object. The radiation thermometer is designed to measure the temperature of the measurement object on the basis of intensity of infrared ray detected by the infrared detection element. The radiation thermometer further includes a filter group made up of a plurality of infrared filters arranged on an optical path of infrared ray introduced into the infrared detection element. The filter group permits transmission of at least infrared ray in each of a first wavelength range and a second wavelength range which are not overlapped with each other.
US11150135B1 Advanced photonic bidirectional reflectance distribution function measurement device
A bidirectional reflectance distribution function (BRDF) measurement system is provided that measures the BRDF across many photonic bands such as the UV, Vis, NIR, SWIR, MWIR, and LWIR (scale) simultaneously (speed) in an innovative measurement system. The measurement system includes an illuminating optical system, a detection system, and a calibration reference. The illuminating optical system directs illuminating light to an imaging location and the detection system detects returning light from the imaging location. The calibration reference including an optical metamaterial having a receiving surface. The calibration reference is placed at the imaging location and alters illuminating light incident on the receiving surface to produce returning light having known optical properties.
US11150128B2 Piezoelectric film having electrical filter for selectively detecting vibrations in components
A detector arrangement, for selective detection of vibrations on a component, comprises a film fitted with at least one piezoelectric element. The film is attached to the component in such a way that occurring mechanical vibrations act on the piezoelectric element, such that an electrical charge with a frequency correlating with the mechanical vibration is generated at the connection electrodes of the piezoelectric element. An electrical filter is connected to the piezoelectric element and filters out the component of the supplied charge which corresponds to a predefined frequency. An electrical charge storage means which is connected to the filter is used to accumulate the filtered-out charge components. A signaling means is also provided, which generates an electrical signal as soon as a predetermined charge limit value is reached on the charge storage means.
US11150114B1 Fiber optic electromagnetic phenomena sensor system
A multiplexed fiber optic sensor system including at least one light source, one or more first optical fibers having a first end arranged to receive light from the light source(s) and transmit the light to at least one fiber optic sensor, and one or more second optical fibers arranged to receive reflected light from the fiber optic sensors and transmit the reflected light to a light sensing element. Using the sensor system, it is possible to measure physical phenomena, such as electromagnetic phenomena, along multiple points along or within a material or structure of interest or on separate materials or structures. The fiber optic sensors can be electromagnetic phenomena sensors, pressure sensors, acceleration sensors, strain sensors, temperature sensors, or other sensors designed to measure physical phenomena. The sensor system can be used to measure phenomena of interest at several locations or take different kinds of measurements at the same or approximately the same location.
US11150113B2 Steering device
A steering device includes: a gripping detection unit that detects that a steering wheel of a vehicle is gripped, when a capacitance detection value detected using a sensor electrode provided in the steering wheel increases beyond a predetermined gripping detection threshold value; and a manipulation input detection unit that detects occurrence of a manipulation input to the steering wheel, when the capacitance detection value decreases below a manipulation input detection threshold value set to be higher than the gripping detection threshold value from a state in which the capacitance detection value is higher than the manipulation input detection threshold value, and then increases beyond the manipulation input detection threshold value again without decreasing below the gripping detection threshold value.
US11150101B2 Device for positioning information at a location in an image
It is an object of the invention to provide an improved device for positioning information at a location in an image. Hence the invention provides a device (100) for positioning information (18) at a location (17) in an image (13), the device (100) comprising: a detector (10) for recording the image (13), the image (13) comprising a light source (14), wherein a lighting characteristic (15) of the light source (14) comprises a code (16) indicative of the information (18) and the location (17) where to position the information (18) in the image (13); a processor (11) arranged for processing the image (13) to retrieve the code (16), retrieving the information (18) indicated by the code (16), retrieving the location (17) indicated by the code (16), processing the image (13) into a processed image (19) by positioning the information (18) at the location (17) in the image (13); an image rendering device (12) for rendering the processed image (19).
US11150094B2 Method and system for optimizing the parking space search of a vehicle, and computer program product
A method optimizes a parking space search for a vehicle. During the method, at least one solution option is ascertained, and an optimization solution is ascertained from the at least one solution option, wherein the probability of the availability of at least one parking space is used as an optimization parameter, the position of the at least one parking space relative to a destination is used as an additional optimization parameter, expressed as the duration until the arrival at the destination from the at least one parking space, and the drive duration from a starting location to the at least one parking space is used as an additional optimization parameter.
US11150066B2 Multi-use torpedo propulsion system starter
Disclosed is a hybrid electric torpedo that includes an igniter having a resistance, a current source, and a contactor. The torpedo includes a controller having input channels operable to receive a battery state of charge and the resistance and output channels configured to operate the contactor to control the current source of the igniter. The controller includes stored memory instructions operable upon execution to operate the contactor to conduct current through the igniter such that a temperature of the igniter increases. The contactor is operated responsive to the battery state of charge being less than a predetermined state of charge threshold and the resistance being less than a predetermined open circuit threshold.
US11150065B2 Thermal energy absorbing structures
Thermally-sensitive hardware is at least partially enclosed within a container in which reactants for a solid-solid endothermic chemical reaction are disposed, surrounding at least a portion of the thermally-sensitive hardware. The reactants or a structure including the reactants are positioned between the thermally-sensitive hardware and a heat source, such as an external surface of a missile traveling through atmospheric gases at extremely high speed and experiencing extreme frictional heating. The reactants absorb heat during the solid-solid endothermic reaction to thermally protect the thermally-sensitive hardware. The reactants are preferably selected to absorb heat of at least 5 kilo-Joules per gram (kJ/g) during the solid-solid endothermic chemical reaction.
US11150060B2 Ring-shaped or plate-like element and method for producing same
A base body for a metal-sealing material-feedthrough subject to high pressures in an igniter for an airbag or a belt tensioning device. The base body for the metal-sealing material feedthrough is an element formed by a process of cold forming and having a ring-shape or a plate-like shape. The element includes a feedthrough opening extending from a front side of the element towards a rear side of the element. There is a metallurgic section in the element of the base body with structure-lines or flow-lines that are bent due to a reshaping process of the process of cold-forming.
US11150059B2 Deep sea mining method
A deep-sea mining device is sunk to a seabed mining area. A window of an exploding wire unit of a pulse exploding wire group is aligned to an exploding area. A strong pulse current is applied to an exploding wire of the exploding wire unit by an intense pulse power supply, and the exploding wire of the exploding wire unit and seawater in an exploding wires area are vaporized to generate shock waves, thereby breaking rocks through the impact of the seawater. The instantaneous high pressure causes the shock waves to crush the ore bed, and the pressure of the shock waves generated by the explosion of the exploding wire can be controlled by controlling the pulse voltage and current, so as to control the crushing head to crush rocks with different thicknesses.
US11150054B1 Scalable body armor carrier system for rigid ballistic plates and soft ballistic panels
In an example, a kit for assembling a scalable body armor for a wearer's body includes hard ballistic plates, soft ballistic panels, a plate carrier including a front plate carrier and a rear plate carrier connected by shoulder straps and having front and rear plate carrier pockets for receiving the hard ballistic plates, cummerbund portions extending laterally around the plate carrier and releasably connected to form a cummerbund around the wearer's body, a front panel carrier having a front outward facing side joinable to an inward facing side of the front plate carrier by contact and a front panel carrier pocket to receive one of the soft ballistic panels, and a rear panel carrier having a rear outward facing side joinable to an inward facing side of the rear plate carrier by contact and a rear panel carrier pocket to receive another one of the soft ballistic panels.
US11150053B1 Riflescope cap assembly
A scope cap assembly for mounting on a scope of a firearm is provided, including a resilient sleeve for mounting to the scope of the firearm; a support body fixed to the resilient sleeve and including a mounting portion; a cap defining an aperture and pivotably mounted to the support body and movable between a closed position and an open position greater than 180 degrees from the closed position; a biasing member for biasing the cap towards the open position; a retaining mechanism for releasably securing the cap at an intermediate position between the closed position and the open position; and a first removable disc configured for placement within the second aperture and defining a annular protrusions for cooperating with annular flanges of the cap to secure the first removable disc in the cap.
US11150048B1 Firearm buttstock having magazine storage
A buttstock for a rifle has one or two longitudinal slots into which spare ammunition magazines may be inserted, stored, carried, and available for optional use in either a rifle or a pistol configured to receive the ammunition magazine. When fully inserted into a longitudinal slot, the magazine is fully enclosed within the buttstock except for the bottom surface of the magazine, which is approximately flush with the rear surface of the buttstock. One model of the buttstock may hold a single magazine, while another may hold two magazines, where the magazine slots are configured in an over-under arrangement.
US11150043B1 Bullet aligning device
A bullet aligning device in which the bullet on the turntable can be thrown to the periphery of the turntable through centrifugal force and sent out through the bullet outlet, and the adjacent wall of the bullet outlet is provided with a through groove, the height of the through groove is slightly smaller than the diameter of the bullet to prevent two or more bullets from jamming the bullet outlet to ensure the smooth delivery of bullets. The bullet aligning device uses the directional track arrangement to allow only one bullet to enter the guide groove at a time to give each bullet enough time and space to fall, so that the bullets choose the heavier tail to fall into the direction-correcting guide slot, and the bullets in the same direction are exported from the one-way export slot.
US11150041B2 Compact anti-tilt follower for an ammunition magazine
A firearm magazine assembly and a related method are disclosed. The follower has a top platform, a proximal end, a distal end, and at least one slider rail on a first side of the follower. At least a portion of the at least one slider rail is at a position that is between and remote from both the proximal end of the follower and the distal end of the follower. The housing is shaped to receive the follower. The housing has a first wall having a first recess for receiving the at least one slider rail, the first recess defined by opposing surfaces. At least a portion of the at least one slider rail is shaped to engage the two opposing surfaces to limit tilt of the follower.
US11150038B1 Electromagnetic waveguide based thermal energy extraction with emissive materials and modifications
The method presented uses thermally emissive materials for the extraction of heat through the use of electromagnetic waveguides, wherein the emissive material comprises materials which emit electromagnetic radiation due to thermal excitation, wherein the electromagnetic radiation is coupled to electromagnetic waveguides; a receiver adapted to receive the electromagnetic radiation for utilization, wherein the extracted electromagnetic radiation may propagate arbitrary distances inside the waveguides before the need for processing, for example, to maximize the temperature differential between the emissive material and that of the receiver; and the exchange of the chemical composition of some portion of the environment the apparatus is housed in. The thermal energy extraction apparatus described herein has the purpose of removing heat from a source for conversion to other forms of energy such as electricity and for thermal management applications. Wherein for heat management, the benefit of waveguides would constitute reduced interference with electronics through electromagnetic coupling.
US11150032B2 Transient heat absorption and delayed dissipation by high heat capacity material
There is described an apparatus for storing heat. The apparatus comprises a thermal mass for storing heat, the thermal mass having a first surface and a second surface. Fins are provided on the first surface and the second surface for accelerating heat transfer to and from the thermal mass. A displacement mechanism is secured to the thermal mass for translating the first surface to a first environment, e.g., a duct, while removing the second surface and its fins from a second environment, e.g., outside, and for translating the second surface to the second environment while removing the first surface and its fins from the first environment.
US11150029B1 Thermal management using endothermic heat sink
A thermal management system includes a slurry generator, an injector pump coupled to the slurry generator, a heat exchanger reactor coupled to the injector pump, wherein the heat exchanger reactor is adapted to subject a thermally expendable heat absorption material to a temperature above 60° C. and a pressure below 3 kPa, and wherein the expendable heat absorption material endothermically decomposes into a gaseous by-product. A vapor cycle system is coupled to the heat exchanger reactor and is operatively connected to a thermal load. A thermal energy storage system may be coupled to the vapor cycle system and the thermal load. The thermal energy storage system may isolate the heat exchanger reactor from thermal load transients of the thermal load.
US11150023B2 Wind turbine lance ignition system
A telescoping thermal lance assembly including a housing with an oxygen inlet port. An extension tube disposed in the housing. The extension tube having a cylindrical interior cavity. The extension tube configured to slide at least partially out of the housing when pressurized oxygen is channeled into the inlet port. A cylindrical lance tube is located within the interior cavity of the extension tube and slides partially out of the extension tube when pressurized oxygen is channeled into the housing. A slice rod is located within the lance tube. A cap is attached to the top of the extension tube and spaced apart from the tip of the lance tube. A gas turbine assembly attached above the cap and including a turbine and a plurality of blades that rotationally drive the turbine, rotation of the turbine generating a spark in the igniter section.
US11150021B2 Systems and methods for casting metallic materials
Certain embodiments of a melting and casting apparatus comprising includes a melting hearth; a refining hearth fluidly communicating with the melting hearth; a receiving receptacle fluidly communicating with the refining hearth, the receiving receptacle including a first outflow region defining a first molten material pathway, and a second outflow region defining a second molten material pathway; and at least one melting power source oriented to direct energy toward the receiving receptacle and regulate a direction of flow of molten material along the first molten material pathway and the second molten material pathway. Methods for casting a metallic material also are disclosed.
US11150020B2 Copper cooling plate with wear resistant inserts, for a blast furnace
A cooling plate for use in a blast furnace is described. The cooling plate contains a copper body having an inner face containing ribs parallel therebetween, having first extremities opposite therebetween and separated by grooves having second extremities opposite therebetween. At least one of these ribs contains at least one housing located between its first extremities and containing at least one insert made of a wear resistant material that increases locally the wear resistance of this rib.
US11150012B2 Refrigerator and method of controlling the same
A method of controlling a refrigerator includes: controlling a cooling unit such that an output of the cooling unit becomes a first reference output for a first reference time previously determined; controlling the cooling unit such that the output of the cooling unit becomes a second reference output for a second reference time previously determined; calculating a representative value of a temperature of a storage compartment for an operating period, which is made by a sum of the first reference time and the second reference time, and comparing the calculated representative value with a specific temperature in a temperature satisfying range of the storage compartment; and varying, by a control unit, at least one of the first reference time and the second reference time depending on a comparison result between the specific temperature and the representative value and controlling operating of the cooling unit based on a varied reference time.
US11150011B2 Refrigerator control method for capturing images inside refrigerator
A refrigerator control method, including: upon acquiring a signal indicating that a person approaches to open a door, controlling a camera to move from an initial position to a first position; upon acquiring a signal indicating that the door switches to an open status, controlling the camera to move to a second position; upon acquiring an opening angle of the door, and controlling the camera to capture an image of an interior of the door when the opening angle is less than a threshold angle; upon acquiring a signal indicating that the door switches to the closed status, controlling the camera to move to the first position and capture an image of an interior of the door; and upon acquiring a signal indicating that the door is closed, controlling the camera to return to the initial position and capture an image of an interior of the refrigerating compartment.
US11150002B2 Refrigerator and method for controlling a motor driving a compressor of the refrigerator
Disclosed is a method for controlling a refrigerator including a motor driving a compressor. The method for controlling a refrigerator includes: identifying driving revolutions per minute (RPM) for driving of the motor; performing a control of temperature in the refrigerator based on the identified driving RPM; and storing operation information of the motor associated with the performing of the control of temperature, where the identifying of the driving RPM involves identifying stored operation information of the motor associated with a previous motor driving process.
US11150001B2 Cooling system with compressor bypass
A cooling system is designed to generally allow for one or more compressors to be bypassed when ambient temperatures are low. The system includes a bypass line and valve that opens when ambient temperatures are low and/or when the pressure of the refrigerant in the system is low. In this manner, the refrigerant can flow through the bypass line instead of through one or more compressors. These compressors may then be shut off. To supply any needed pressure to cycle the refrigerant, the system may include a pump that turns on when the bypass line is open. When ambient temperatures are extremely low, thermosiphon may be used to cycle the refrigerant.
US11149993B2 Cryocooler with heat transfer blocks having fins
A cryocooler includes an expansion chamber, a cooling stage thermally coupled to the expansion chamber, the cooling stage including a first heat transfer block provided with a surface exposed to the expansion chamber and a first heat exchange surface disposed outside the expansion chamber and a second heat transfer block provided with a second heat exchange surface facing the first heat exchange surface, a refrigerant supply port installed in the cooling stage outside the expansion chamber, a refrigerant discharge port installed in the cooling stage outside the expansion chamber, and a refrigerant path fluidically separated from the expansion chamber, the refrigerant path being formed between the first heat transfer block and the second heat transfer block such that a refrigerant flows from the refrigerant supply port to the refrigerant discharge port along the first heat exchange surface and the second heat exchange surface.
US11149992B2 Dual helium compressors
This invention relates to oil lubricated helium compressor units for use in cryogenic refrigeration systems, operating on the Gifford McMahon (GM) or Brayton cycle. The objective of this invention is to provide redundancy by having a water cooled compressor manifolded to an air cooled compressor and sensors to detect faults so that an expander can be kept running if there is a failure in either the water or air supply.
US11149985B2 System and method for heating water
A water-heating system, including: a controller; a refrigerant-water heat exchanger for exchanging heat between refrigerant and water; a sensor circuit for measuring a current water temperature of water in a water heater and providing the current water temperature to the controller; a first refrigerant pipe for passing the refrigerant from a refrigerant source to the refrigerant-water heat exchanger; a second refrigerant pipe for passing the refrigerant from the refrigerant-water heat exchanger to the refrigerant source; a first water pipe for passing the water from the water heater to the refrigerant-water heat exchanger; a second water pipe for passing the water from the refrigerant-water heat exchanger to the water heater; and a water pump for pumping water from the water heater to the refrigerant-water heat exchanger via the first water pipe and from the refrigerant-water heat exchanger to the water heater via the second water pipe based on a control signal.
US11149982B2 Air conditioner
An air conditioner may include a casing having an inner air flow space defined therein and an entrance defined in one of a first side plate or a second side plate, a heat exchanger and a fan disposed between an outdoor air inlet body and an air outlet body in an air flow direction of the casing, a heater module inserted through the entrance into the inner air flow space, a handle mounted on one side face among both side faces of the heater module, one side face of the both side faces being closer to the entrance than the other side face thereof, a pair of guide brackets installed in the casing to slidably guide the heater module, and a door module that opens and closes the entrance. The door module may be configured to contact the handle to press the handle in a direction away from the entrance.
US11149981B2 Systems for vaporizing that include marinized vaporizer units, and methods for making and using such systems
Marinized systems for vaporizing including a water bath vaporizer utilizing a slosh chamber having reduced water surface area to reduce the effects of wave created when the vaporizer is in motion, and systems utilizing such vaporizer, and to methods of making and using such systems.
US11149978B1 Window vent assembly for portable air conditioner
A window vent assembly (15) is usable with a swing out window assembly (20) to provide an outlet for a vent hose (12) of a portable air conditioner (10). The assembly includes a substantially rigid, transparent sheet (16) with a plurality of scored break lines (46, 48, 50, 52) which enable changing the size of the sheet to close a frame opening (22) of a window frame (18). A plurality of releasably engageable clips (62, 64) enable the sheet to be releasably held in closing relation with the frame opening. A sleeve (114) is releasably engageable with the vent hose to enable venting of the heat removed by the air conditioner from the window through a sheet opening (14) in the sheet.
US11149972B2 Roof vent and anchoring apparatus
A roof vent and anchoring apparatus that is configured to be superposed a building and provide both a vent for the building and an anchor to receive a safety element operable to secure a human thereto. The roof vent and anchoring apparatus includes a base member that is planar in manner and adjacent the roof. A lower member extends upward from the first side of the base member. An upper member is superposed the lower member and provides coverage thereof. An anchor assembly including opposing block members and a rod member intermediate thereto is provided to receive a safety element coupled to a human. An anchoring assembly is operably coupled to the second side of the base member and is comprised of bolt members and a bar member. The anchoring assembly is configured to be secured to a roof support element underneath the roof of a building.
US11149962B2 Steam cooker
A steam cooker having a main body, a cavity provided inside the main body, a steam generator provided to generate steam, a supply pipe connecting the steam generator to the cavity to supply steam into the cavity, a discharge pipe arranged to discharge the steam inside the cavity to the outside of the cavity, a discharge nozzle coupled to an end of the discharge pipe, and a cooling fan provided between the cavity and the main body to cool the cavity, and wherein the discharge nozzle is disposed adjacent to the bottom of the cooling fan such that steam discharged through the discharge nozzle is guided downward between the cavity and the main body by the cooling fan. The steam cooker can prevent the condensation water from falling down on the lower part of the main body.
US11149960B2 Exhaust hood energy recovery device
A method and apparatus for recovering energy from exhaust air in a standard kitchen ventilation hood. One or more removeable energy recovery modules comprised of a plurality of heat pipes is mounted above the hot exhaust gases. Working fluid within the heat pipes transfers heat to the makeup air, warming it before it is returned to the kitchen.
US11149959B2 Cooking apparatus and method for controlling cooking apparatus
Provided is a cooking apparatus and method of controlling the cooking apparatus. The cooking apparatus includes a cooking chamber; a heating portion installed in the cooking chamber; and a smoking agent accommodation portion separably mounted on the heating portion and capable of accommodating a smoking agent.
US11149958B2 High capacity oven
An apparatus for heating food comprises a high capacity oven configured for receiving and cooking nine vertically spaced meal trays. The increased capacity oven maintains an outer vertical dimension in compliance with standard aircraft oven sizes while increasing the inner oven vertical dimension sufficiently to receive and sufficiently cook the nine meal trays. The increased capacity oven maintains a sufficient vertical spacing between each meal tray to enable sufficient airflow between the meal trays for timely meal cooking. Efficient placement of oven components in each of the areas above and below the oven internal cavity increases the internal vertical dimension of the oven internal cavity and the available vertical cooking space.
US11149947B2 Can combustion chamber
The can combustion chamber includes a casing housing a plurality of cans. Each can includes a wall and a perforated cooling liner around the wall. Cooling liners of adjacent cans have staggered perforations.
US11149943B2 Tool for releasably holding a torch
A tool for holding a torch having a fuel containing cylinder at one end and a flame directing nozzle at an opposite end. The tool has a base with first and second parts arranged in a cooperative stacked relationship relative to each other and defining a spherical socket therebetween. The second part of the base has an open top. A positioning receptacle is seated and rotatable within the spherical socket defined by the base. The receptacle has a spherical outer surface and a cylindrical blind cavity opening to the spherical outer surface of the receptacle so as to receive and releasably hold a lengthwise portion of the fuel containing cylinder therewithin. A manually operable, spring biased assembly is mounted in operable combination with first and second parts of the base and is operable in either a locked condition or an unlocked condition. In the locked condition, the spring biased assembly applies a first clamping force to the outer spherical surface of the receptacle to restrain the receptacle in a selected and adjusted position and against movement relative to the base and applies a reduced clamping force to the outer spherical surface of the receptacle when in an unlocked condition.
US11149939B2 Illuminating speaker unit
An apparatus for an audio sound system may include a speaker unit that may include a speaker housing configured to be selectively, at least partially, illuminated. The speaker unit may further include an illumination source configured to at least partially illuminate the speaker housing.
US11149938B2 Luminaire system with trim component and integrated user experience elements
A luminaire includes a first light source positioned at a first level of a luminaire housing. The first light source generates a light output. The luminaire also includes a trim component positioned at a second level of the luminaire housing different from the first level, The trim component includes a visual feedback element that emits a visual feedback response. Further, the luminaire includes a control circuit positioned at the second level within the trim component. The control circuit controls operation of the visual feedback element.
US11149932B1 Device with lighting, location and communication systems
An illuminating pendant that includes a housing unit, one or more layers of translucent material connected to the housing unit, and control circuitry secured to the housing unit and electrically connected to one or more LEDs and to a power source. The control circuitry includes a receiver and a proximity detection device and detects a first signal location proximate to a first proximity beacon and illuminates one or more LEDs in a pattern associated with the first signal location. In one embodiment the illuminating pendant is affixed to a wearable band. In another embodiment, the illuminating pendant is magnetically secured to a user's clothing.
US11149926B2 Luminaire control device with universal power supply
A luminaire control device for use with a municipal light pole. The device is plugged into a standard dimming receptacle and includes a universal power supply for converting AC power received in any of the common municipal distribution voltages to a uniform DC output usable by small electronic components of an accompanying control system. The universal power supply and control system are configured to fit within the form factor required by applicable standards. The control system includes program logic to control the luminaire by sending control signals via the dimming receptacle. These signals may be sent using one, two, or more control channels as defined by the standard, and may control a single luminaire or multiple luminaires via the different channels. The device may further include a wireless transceiver to facilitate remote access and control of the light, allowing a municipal light pole to be retrofitted as an IoT device.
US11149923B2 Lighting fixture
A lighting fixture including a light source having an array of light emitting diodes (LEDs); a reflector having an input end adjacent the array of LEDs and an output end opposite the input end such that the light source emits light through the reflector from the input end through the output end; and a tandem lens array adjacent the output end of the reflector. The tandem lens array includes a first side that faces toward the array of LEDs and a second side that is opposite the first side, wherein the first side includes an array of lenses and the second side includes an array of lenses.
US11149921B2 Aircraft light collimation and redirection apparatus and method
An aircraft light collimation and redirection apparatus and method devised to reflect, refract, focus, and collimate light from a light source along particular steradians relative to an aircraft to maximize the perceived luminous intensity at all statutorily required angles of observation while minimizing the required luminous efficacy of the light source.
US11149920B2 Oval-condenser zoom with independent axis adjustment
The invention relates, inter alia, to a light fixture (10) for illuminating building surfaces (17) or partial building surfaces, comprising a housing (11), at least one light source, in particular an LED (12, 12a, 12b, 12c), and at least one collimating optics, in particular collimating optics (15, 15a, 15b, 15c) for collimating the light emitted by the light source. A particular feature is that at least three lens plates (18, 19) are provided in the light path behind the collimating optics, on each of which lens plates a plurality of lens elements (22a, 22b, 22c, 23a, 23b, 23c, 69a, 69b, 69c, 70a, 70b, 70c) is arranged, in particular grouped, wherein the relative spacings (32, 75) between one of the two outer lens plates, in each case, and the central lens plate, can be changed by means of at least one adjustment device (20), and wherein the light fixture provides different light distributions (37, 38, 39, 50a, 50b, 50c) in different mutual spacing positions of the lens plates.
US11149917B2 Light-emitting device
A light-emitting device includes a substrate; a lens array having a plurality of lens sections in a matrix pattern; and a plurality of semiconductor laser elements disposed on the substrate. Each of the semiconductor laser elements emits a respective laser beam, each laser beam having a beam shape with a greater width in a column direction than in a row direction on a light incident surface of each respective lens section. The lens sections have an inter-vertex distance in the row direction that is smaller than both (i) a maximum outer diameter of each of the lens sections, and (ii) an inter-vertex distance in the column direction. A curvature of the lens sections in the row direction is the same as a curvature of the lens sections in the column direction.
US11149913B2 Headlight and operating method
A headlamp includes a first semiconductor chip and a second semiconductor chip for generating light. The first and second semiconductor chips each include several pixels. A first optics is arranged to direct light from the first semiconductor chip with a first magnification into a base region. Via a second optics, light of the second semiconductor chip is directed into a bright region with a second magnification. The second magnification is between 0.3 times and 0.7 times the first magnification inclusive, so that the bright region is smaller than the base region. The bright region is within the base region.
US11149911B2 Panel light apparatus with scrollable film
The back plate has four lateral walls and a bottom plate. A back side of the bottom plate includes multiple sets of folding hooks. Each set corresponds a different installation platform. One of the multiple sets of folding hooks is folded to be used for hooking to a corresponding installation platform. The light source module has multiple LED modules disposed on the bottom plate. Each LED module has a LED device and a lens. The lens diffuses a light of the LED device to be evenly emitted from the lens and broadening an output angle of the light via the lens. The diffusion plate with a peripheral edge is fixed to the four lateral walls of the back plate. The driver cover is attached to an external side of one of the four walls of the back plate. The driver cover defines a container cavity for concealing the driver module.
US11149907B2 Method for operating an industrial plant with an adsorption device and industrial plant with an adsorption device
In a method for operating an adsorption device a laden gas stream is fed to an inlet of a sorption buffer device. In the device the laden gas stream passes through a sorbent for receiving a loading of sorbable substance along a sorption path from the inlet to an outlet. The sorbable substance passes from the gas stream to the sorbent, or vice versa, depending on the loading of the gas stream and the sorbent. During a phase of elevated loading, a region with an elevated loading of the sorbent extends from the inlet along the sorption path. During a phase of reduced loading, the region with the elevated loading of the sorbent is shifted in the direction toward the outlet. Length of the sorption path and quantity of the sorbent in the sorption buffer device are selected for accommodating at least three different regions of elevated loading.
US11149901B2 Tripod
Tripod having a tripod head, a shaft, having telescopic shaft parts, attached to the tripod head via a locking mechanism, and at least three support legs mounted so as to be outwardly pivotably on the shaft. The support legs are connected to the tripod head via pulling members which can be wound up and unwound by a coil arranged rotatably on the tripod head and can be tensioned by a tensioning element. It is proposed that the coil is provided with a return spring acting in the winding direction of rotation of the coil, and a coupling mechanism is provided which can be transferred with an operating element from a rotation mode, in which the coil can be rotated in an unwinding direction of rotation and by the return spring in a winding direction of rotation, into a tensioning mode, in which the coil is locked with respect to the pulling members and the pulling members can be tensioned by the tensioning element.
US11149899B2 Compressible support structures
An assembly includes a series of support structures. Each of the support structures includes a base, a top plate having a continuous surface area, and a connector coupling the base to the top plate. The connector assumes a compressed position when under load from an object. The support structures that are in an extended position provide a lateral retention force to the object.
US11149891B2 Quick coupling for the detachable connection of two pipes through which a pressurized fluid flows
The invention relates to a quick coupling, made up of a male element and a female element. The male element includes a cylindrical male body, defining a longitudinal cavity, a distal mouth, and a valve movable axially inside the cavity between a forward position in which the valve closes off the mouth and a withdrawn position in which the valve does not close off the mouth. The female element includes a cylindrical female body, defining a longitudinal cavity and a distal mouth, a push-piece, and a slide valve. The male body or the push-piece delimits a fluid passage channel connecting an inside of the cavity to the distal mouth, and the passage channel, emerging inside the cavity of the male element or the female element, fits inside a circle, the diameter of which is respectively larger or smaller than that of the first and second sealing gaskets.
US11149880B2 Composite tubing and method for making and using same
A composite tube includes a first layer including a thermoplastic polymer having a Tg of not greater than about 160° C. and a second layer adjacent to the first layer, the second layer including an extruded silicone material. Further included is a method of forming the composite tube which includes providing a first layer including a thermoplastic polymer having a Tg of not greater than about 160° C.; receiving, by an extrusion system, a silicone material; forming, by the extrusion system, a second layer including the silicone material adjacent to the first layer; and irradiating the silicone material with a radiation source to substantially cure the silicone material.
US11149879B2 Thermoplastic composite pipe with multilayer intermediate lamina
A process for producing a thermoplastic composite pipe, where the process includes: a) providing a tubular liner having a wall containing a thermoplastic polymer A in the region of the outer surface; b) providing a tape containing reinforcing fibres in a matrix containing a thermoplastic polymer B, where polymer A and polymer B are different; c) applying a film or a composite which is produced in d) and is composed of a film and a tape provided in step b) to the tubular liner, with melting of the outer surface of the liner and of the contact surface of the film either beforehand, simultaneously or thereafter, d) applying the tape provided in b) to the outer surface of the film, with melting of the outer surface of the film applied and of the contact surface of the tape either beforehand, simultaneously or thereafter, where the surface of the film which is brought into contact with the liner contains a moulding compound containing polymer A to an extent of at least 30% by weight, and the opposite surface of the film contains a moulding compound containing polymer B to an extent of at least 30% by weight.
US11149874B1 Valve operator assembly
A valve operator assembly may include a housing, a yoke, and one or more stoppers. The housing is mountable on a valve, and includes a body having a sidewall including a shaft bore, to receive a shaft rotatable within the housing, and a cover having a top member mountable on a top portion of the body and a side portion extending downwards adjacent to and partially overlapping the sidewall. The yoke is operably coupled by a yoke nut to the shaft to impart rotation to a valve stem of the valve when the shaft is rotated. The one or more stoppers are disposed within the housing to restrict the linear motion of the yoke nut.
US11149873B2 Valve system with isolation device
An on/off valve controls circulation of mediums in an upstream pipeline and a downstream pipeline of the on/off valve; a valve stem of the on/off valve is connected with an on/off actuating mechanism; the upstream pipeline of the on/off valve is connected with a pilot trigger mechanism through a communicating pipe, the pilot trigger mechanism is connected with the on/off actuating mechanism, and the pilot trigger mechanism triggers the on/off actuating mechanism. An isolation device is arranged on the communicating pipe and isolates the communicating pipe into an upstream portion and a downstream portion through a pressure sensing component. The pressure sensing component senses a medium pressure from the upstream pipeline and feed back the pressure to the pilot trigger mechanism, thereby causing an action of the pilot trigger mechanism. A non-viscous and incompressible fluid is filled between the downstream of the communicating pipe and the pilot trigger mechanism.
US11149869B2 Valve assemblies, valve seats including flexible arms, and related methods
Valve seats include a flexible arm portion configured to seal against a portion of a valve body of a valve. A ball valve may include such valve seats. Methods of forming a seal in a ball valve include forcing a first metal valve scat into sealing contact with a first end cap and a ball valve member with a first metal flexible arm member and forcing a second metal valve seat into sealing contact with a second end cap and the ball valve member with a second metal flexible arm member.
US11149866B2 Discharge valve
A discharge valve is provided in a recirculation line through which gas discharged from a fuel cell stack recirculates to the stack. The discharge valve opens or closes a discharge line through which a fluid in the recirculation line is discharged. The discharge valve includes a valve body connected to the discharge line and a drive part disposed in the valve body to be movable vertically. A diaphragm is coupled to a lower end of the drive part and selectively opens or closes the discharge line based on the vertical movement. The drive part switches between a closed state in which the discharge line is closed by the diaphragm, a first opened state in which the discharge line is opened to a first opening degree, and a second opened state in which the discharge line is opened to a second opening degree greater than the first opening degree.
US11149865B2 High-pressure pump
A discharge valve includes: a valve main body that slidably contacts an inner peripheral wall of a tubular portion; and a primary passage that is formed at the valve main body and is located between the valve main body and the inner peripheral wall of the tubular portion. A stopper includes: a stopper main body that is formed separately from the tubular portion while the stopper main body is located on a side of the discharge valve that is opposite to the discharge valve seat; a movement limit surface that is configured to limit movement of the discharge valve in a direction away from the discharge valve seat; and a secondary passage that is formed at the stopper main body.
US11149861B2 Gate valve with disk replacement structure
Provided is a gate valve with a disk replacement structure. The gate valve is installed on a pipe, and comprises: a valve body having a blocking space formed therein, a pair of flange pipes formed to communicate with the blocking space, and a cover mounted on an upper side thereof to close the blocking space; a disk arranged in the blocking space to be lifted and provided with a mounting hole which is formed on an upper surface thereof and has a lifting nut therein; and an operating rod installed on the cover to lift the disk. An insertion hole is formed on the cover to penetrate the cover.
US11149857B2 Appliance for making isotropically finished seal ring of seal assembly for machine
A seal ring for a seal assembly includes a body and a seal flange. The body is generally cylindrical, extending along a longitudinal axis between a load end and a seal end. The seal flange is disposed adjacent the seal end of the body, projecting radially in a circumscribing manner from the body. The seal flange includes a sealing face having a sealing band for sealing contact with a mating seal ring. A layer of coating composition formulated to help increase the corrosion resistance of the seal ring is applied to at least the body. A mask is applied to the seal ring to cover at least a portion of the seal ring having the layer of coating composition applied thereto such that the sealing band remains exposed. The sealing band is polished by an isotropic finishing process. The mask is removed after the sealing band is isotropically polished.
US11149852B2 Sealing device, system and method
Securing a channel section 7 onto a pre-existing substrate 9 using screws 11 requires any water-impermeable layer on the substrate 9 to be compromised. In particular, water present on a head of a screw 11 may wick (i.e. via capillary action) along the thread of a screw, past the water-impermeable layer, and into the core of the substrate 9. The present invention provides a sealing device with a fluid inlet 6 for injecting fluid sealant therethrough to surround a screw 11, thereby preventing wicking of water along threads of the screw.
US11149844B2 Transmission ratio controller and method for determining transmission ratio abnormality
A transmission ratio controller includes circuitry that includes a transmission ratio calculator calculating a request transmission ratio, a transmission ratio instructor transmitting a control signal, and an abnormality determiner. The request transmission ratio is calculated using a first transmission ratio map when a specified parameter satisfies a first condition, and a second transmission ratio map when the specified parameter satisfies a second condition. The internal combustion engine is in a first state when the specified parameter satisfies the first condition, and in a second state when the specified parameter satisfies the second condition. In the first state, the abnormality determiner calculates a hypothetical transmission ratio using the second transmission ratio map based on the second state. The abnormality determiner determines an abnormality based on a comparison of the hypothetical transmission ratio with at least one of the request transmission ratio, an instruction transmission ratio, or an actual transmission ratio.
US11149831B2 Lock-up device for torque converter
A lock-up device for a torque converter is disclosed. The lock-up device includes a clutch part, first and second rotary members, a plurality of elastic members and a stopper mechanism. The clutch part is provided between a front cover and a turbine, and transmits the torque inputted to the front cover to the turbine. The first rotary member is disposed between the clutch part and the turbine. The second rotary member is rotatable relative to the first rotary member. The elastic members elastically couple an outer peripheral part of the first rotary member and an outer peripheral part of the second rotary member in a rotational direction. The stopper mechanism is disposed axially between the elastic members and an outer peripheral part of a turbine shell. The stopper mechanism includes an engaging portion restricting an angular range of relative rotation between the first rotary member and the second rotary member.
US11149830B2 Hybrid module configuration
A torque converter for a hybrid module may include a hydraulic coupling arrangement, a front cover, an impeller shell, and an electric rotor. The hydraulic coupling arrangement may include an impeller and a turbine. The front cover may have a first rim extending in a first axial direction. The front cover may at least partially encase the hydraulic coupling arrangement. The impeller shell may be fixed to the front cover and may at least partially encase the hydraulic coupling arrangement. The impeller shell may have a second rim extending in a second axial direction, opposite the first axial direction, a circumferential ring at a distal end of the second rim, and at least one impeller blade. The electric rotor may be fixed to the impeller shell second rim and axially retained by the circumferential ring.
US11149826B1 Planetary rolling micro-jacking device
The present disclosure relates to a planetary rolling micro-jacking device comprising a bottom plate, a rotating plate and a top plate mounted on a central shaft. There are at least three planetary thread rollers provided between the rotating and the top plates. The rotating and the top plates are provided with multiple annular tooth grooves. The annular tooth grooves of the rotating plate and the annular tooth grooves of the top plate engage with the thread of the planetary thread rollers. The planetary thread rollers roll between the rotating and the top plates, and rotate around the central shaft.
US11149825B1 Engine assembly including gearbox for varying compression ratio of engine assembly using stationary actuator
An engine assembly includes a crankshaft, a control shaft, a drive gear fixed to the crankshaft, a carrier, a first planetary gear set, an actuator, and a second planetary gear set. The first planetary gear set includes a first sun gear fixed to ground, a first ring gear engaged with the drive gear, and a first planet gear rotatably mounted on the carrier and engaged with the first ring gear and the first sun gear. The second planetary gear set includes a second sun gear fixed to the actuator, a second ring gear coupled with the control shaft, and a second planet gear rotatably mounted on the carrier and engaged with the second ring gear and the second sun gear. The actuator is operable to rotate the second sun gear and thereby adjust a ratio of a rotational speed of the crankshaft to a rotational speed of the control shaft.
US11149824B2 Electric drive for a motor vehicle, in particular for an automobile
An electric drive for a motor vehicle includes a housing, an output shaft, an electric engine, which has a stator and a rotor rotatable relative to the stator, a planetary gear set arranged in the housing, which has a sun gear, a ring gear and a planetary carrier, which is non-rotatably connected to the output shaft, having a first switching element, by means of which the ring gear can be non-rotatably coupled to the rotor, and a second switching element, by means of which the ring gear can be non-rotatably coupled to the housing. The first switching element and the second switching element are coupled to each other via a first coupling element and thereby can be operated together by a single first actuator common to the first switching element and the second switching element.
US11149823B2 Planetary gear system with disconnect and the drive axle made therewith
An electric drive axle including a first gear and an idler shaft having a second gear and a third gear disposed thereon, wherein the second gear cooperates with the first gear. A clutch assembly selectively couples a planetary gear system to one of the second gear and the third gear, wherein the planetary gear system is configured to produce a predetermined gear ratio between the second gear and the third gear.
US11149821B2 Line gear mechanism with variable-angle transmission
The present invention relates to a line gear mechanism with variable-angle transmission, which consists of a line gear pair having intersecting shafts which includes a driving line gear and a driven line gear. The driving line gear and the driven line gear are each composed of a wheel body and a line tooth. Contact curves of the driving line gear and the driven line gear mesh according to a pair of space conjugate curves. One or more line teeth are provided on the driving line gear. The line tooth on the driven line gear is a line tooth that has a property of variable-angle transmission. During transmission, the mechanism may adjust a transmission angle of the line gear pair having the intersecting shafts, thus causing meshing points to form on different contact curves while a transmission ratio remains unchanged and the transmission is stable.
US11149820B2 Element designing method and power transfer belt
In an element of a power transfer belt to be wound around a primary pulley and a secondary pulley of a continuously variable transmission to transfer torque, the distance from a boundary line between a surface positioned on the outer peripheral side of the power transfer belt with respect to a rocking edge portion and the rocking edge portion to a saddle surface is determined from the slip amount due to micro slip which is relative slipping between the element and the primary pulley caused when the primary pulley pushes out the power transfer belt toward the secondary pulley, and the angular speed of the element and the angular speed of a ring in a range in which the power transfer belt is wound around the secondary pulley.
US11149817B2 Damper device
A damper device includes a plurality of rotational elements, a plurality of elastic bodies, a rotary inertia mass damper and a housing that houses the plurality of rotational elements, the plurality of elastic bodies and the rotary inertia mass damper, the housing including a front cover. The rotary inertia mass damper is configured to include a planetary gear that includes a sun gear, a plurality of pinion gears, and a carrier that rotatably supports the plurality of pinion gears. The carrier is centered by either the sun gear or a member that rotates integrally with the sun gear by being radially supported by either the sun gear or the member that rotates integrally with the sun gear. In addition, the carrier is spline-engaged to the front cover when a lockup clutch is engaged.
US11149814B2 Cover system for damper
A cover system for a damper includes an outer tube and a piston rod extending from an end of the outer tube. The cover system also includes a dust tube disposed around a portion of the outer tube. The dust tube includes a first end located proximal to the end of the outer tube and a second end opposite to the first end. The dust tube at least partially encloses the piston rod. The cover system further includes a cap connected to the outer tube. The cap is adapted to at least partially cover the first end of the dust tube.
US11149810B2 Vehicle disc brake assembly having a brake pad with a shim mechanically restrained from lateral movement
A brake pad for a vehicle disc brake assembly has a backing plate, a shim, and an adhesive bond between the backing plate and the shim that retains the shim on the backing plate. The backing plate is configured to support a brake lining and has a recessed portion with transverse first and second surfaces. The first surface is a bottom surface of the recessed portion and the second surface is a perimeter surface that defines a perimeter of the bottom surface. The shim has a face surface that is also transverse to the bottom surface. The face surface is configured to engage with the perimeter surface to mechanically restrain the shim in the recessed portion from lateral displacement.
US11149808B2 Excitation operation brake
An excitation operation brake includes a braking shaft, an armature that rotates integrally with the braking shaft, and a field core including a disc portion facing the armature. The disc portion includes an outer magnetic shielding portion and an inner magnetic shielding portion, which make a magnetic flux flowing through the disc portion bypass to the armature a plurality of times. The outer magnetic shielding portion includes a low-magnetic resistance path having a magnetic resistance smaller than the magnetic resistance of a magnetic path that bypasses to the armature.
US11149799B2 Power transmission device
A power transmission device has a pressure member (5) pressing drive-side clutch plates and driven-side clutch plates against each other or releasing a press-contact force. A clutch spring (10) urges the pressure member (5) in a direction so that the clutch plates are pressed against each other. A separate receiving member (11) is attached to the pressure member (5). A back-torque limiting cam reduces press-contact force between the clutch plates when the rotation speed of an output member exceeds the rotation speed of an input member. A rotation restricting portion (8a) restricting rotation, relative to the clutch member (4), of the pressure member (5) that has moved due to activation of the push rod (9). A clearance t is maintained between the pair of cam surfaces that constitute the back-torque limiting cam.
US11149797B2 Semi-cylindrical/semi-spherical inner surface of an outer race and a ball cage for a fixed constant velocity joint
A constant velocity joint assembly includes an outer race having a first bore defined by an inner surface of the outer race. A ball cage has an outer surface and a second bore defined by an inner surface of the ball cage. The ball cage is axially received in the first bore of the outer race. At least one of the inner surface of the outer race or the inner surface the ball cage includes a first portion having a cylindrical contour and a second portion having a spherical contour.
US11149789B2 Slide rail
A slide rail includes a first rail, a second rail, and a third rail. The first rail is slidably coupled to the second rail. The second rail is slidably coupled to the third rail. The first rail includes a pulling tab. The second rail includes a first resilient piece and a first clearance slot. The third rail includes a positioning slot. One end of the first resilient piece is fixed to the second rail, and another end of the first resilient piece extends into the first clearance slot. When the first rail slides out, the pulling tab drives the first resilient piece and the second rail to slide out. When the first resilient piece is moved to the positioning slot, the first resilient piece resiliently bends and inserts into the positioning slot, and the first resilient piece is separated from the pulling tab.
US11149787B2 Thrust roller bearing
A thrust roller bearing includes a plurality of rollers and a cage including a plurality of cage pockets for housing the rollers. The rollers each include a cylindrical portion, an outer crowning portion, and an inner crowning portion. The cage pockets each include an outer surface, an inner surface facing a second end surface of the roller, and a pair of side surfaces facing an outer peripheral surface of the roller. The side surfaces each include a recessed surface that is not contactable with the roller, and flat surfaces that are provided on the outer side in the radial direction and on the inner side in the radial direction, respectively, and are contactable with the roller. A first dimension is larger than a second dimension.
US11149783B2 Assembly with tolerance absorbing spacer
A tolerance absorbing spacer for controlling manufacturing dimensional tolerance variation in products made with multiple internal components, each requiring unique dimensional tolerance allowance. This component adjusts and compensates for the resulting overall cumulative component height variation within an assembly of components, sometimes referred to as “stack height” by compensating for the maximum to minimum range of possible assembly heights, compressing and yielding under applied external force until all excess internal clearance is removed, except for a small, and desirable remaining clearance. This component yields and becomes essentially fully plastic, to provide the necessary tolerance adjustment feature only after reaching a predetermined, minimum force which exceeds all applied forces the component could reasonably encounter in service use and below which, the tolerance absorbing spacer remains fully rigid.
US11149780B2 Method of covering a portion of a fastener protruding from a surface
A method of covering a portion of a fastener, protruding from a surface, that comprises providing a cap comprising a wall, a base, an interior, at least partially delimited by the wall and the base, and pawls, located in the interior of the cap. The method further comprises coupling a tooth to the fastener, covering the portion of the fastener with the cap, and positively engaging the pawls with the tooth, such that the pawls are loaded in tension against the tooth.
US11149760B2 Pistonless cylinder
An improved pistonless cylinder, including both single acting and double acting configurations, based on an Aramid fiber reinforced elastomer tubular which is highly stiff in radial direction against radial expansion and elastic in axial extension, so as to form a completely sealed, extendable and retractable pressure chamber and to be able to perform as well as, or better than, most of the conventional hydraulic cylinders in terms of load bearing capacities, maximum stroke distances and service durability. This improved cylinder employs no piston, piston rod, sealing seals or oil based hydraulic fluid, and utilizes non-metal materials to construct the majority of the parts for its extendable and retractable pressure chamber; therefore, this new cylinder can achieve significant weight and fabrication cost reduction. In addition, this new pistonless cylinder uses ordinary liquids, e.g., fresh water or seawater, as its hydraulic fluid, and can work directly as a hydraulic or pneumatic cylinder interchangeably without a need for much, if any, modification.
US11149750B2 Silencing device, rotary machine, and method for manufacturing silencing device
A silencing device includes: a flow path forming plate having a flow path forming surface for forming a wall surface of a flow path through which fluid flows; and a cavity defining portion for defining a cavity on the reverse surface side of the flow path forming plate, the reverse surface being located on the reverse side of the flow path forming surface. The flow path forming plate has formed therein a plurality of fine through-holes which are configured to provide communication between the flow path forming surface and the reverse surface and which has a diameter from 0.01 mm to 0.5 mm.
US11149749B2 Impeller, impeller blade wheel, air-blowing device, and method of manufacturing air-blowing device
An impeller that rotates about a central axis extending vertically includes a base portion and blades. The base portion spreads perpendicularly to the central axis. The blades are on an upper surface of the base portion at intervals in a circumferential direction. The base portion includes an irregular portion that is radially outward and in which irregularities are repeated in the circumferential direction. The irregular portion includes one or more first irregular regions and a second irregular region. The first irregular regions include first recesses with a same shape and first projections with a same shape, the first recesses and projections being alternately arranged one by one. The second irregular region is positioned between the first irregular regions and includes at least one among a second recess with a different shape from the first recesses and a second projection with a different shape from the first projections.
US11149747B2 Tensioned support post and other molten metal devices
A vertically-elongated member, which is preferably a support post used in a molten metal pump, includes a ceramic tube and tensioning structures to add a compressive load to the tube along its longitudinal axis. This makes the tube less prone to breakage. Another vertically-elongated member, such as a support post, includes one or more reinforcement members to help alleviate breakage. A device, such as a pump, used in a molten metal bath includes one or more of such vertical members.
US11149742B2 Axial-flow fan and outdoor unit
An axial-flow fan includes an impeller including plural blades fixed to an outer peripheral portion of the hub and each surrounded by an inner peripheral edge, an outer peripheral edge, a leading edge, and a trailing edge. The leading edge is forward-curved in a rotational direction with an angle increasing to outer periphery of the impeller and runs toward an outer periphery up to point A, the trailing edge is forward-curved in the rotational direction and runs toward the outer periphery up to point D, recedes in the rotational direction of the impeller as the trailing edge runs toward the outer periphery up to point A′ located closer to the outer periphery than point D is to the outer periphery, advances in the rotational direction of the impeller in a region between point A′ and point B′, and reflexed at point D and point A′.
US11149741B2 Variable pitch fan for a gas turbine engine
A gas turbine engine includes a fan having a plurality of fan blades configured to rotate about a central axis of the gas turbine engine. Each fan blade is configured to pivot about a pitch axis that extends radially away from the central axis to vary a pitch of the fan blade.
US11149739B1 Adjustable bearing mount for air-cooled heat exchangers
An air-cooled heat exchanger has a plenum, an engine, and a fan assembly driven by the engine and configured to move air through the plenum. The fan assembly has a fan, a fan shaft connected to the fan, and a fan shaft bearing assembly that supports the fan shaft. The fan shaft bearing assembly has a fan shaft bearing and a vertical adjustment mechanism that selectively controls the vertical position of the fan shaft bearing. The air-cooled heat exchanger may optionally include a horizontal adjustment mechanism that selectively controls the horizontal position of the fan shaft bearing.
US11149735B2 Polymeric composite insert component for a scroll compressor
An insert component for a scroll compressor comprises a polymer and at least one reinforcing or lubricating particle. The insert component comprises an annular body and an axial projection. The annular body defines a first centrally-disposed opening having has a central axis extending therethrough. The annular body has a first side comprising a first contact surface configured to engage a partition plate and a second side a second contact surface configured to engage a floating seal assembly. The first contact surface defines a slope between first and second radial locations. The axial projection extends from the annular body and can be received in a second centrally-disposed opening of the partition plate. The insert component can fluidly seal both a first interface between the first contact surface and the partition plate and a second interface between the second contact surface and a floating seal assembly during operation of the scroll compressor.
US11149734B2 Fluid machine
Provided is a fluid machine configured such that liquid supplied to a working chamber from the outside of the fluid machine is dispersed extensively in the working chamber. This fluid machine is constituted of a screw rotor and a casing for accommodating the screw rotor and is provided with a liquid supply section for supplying liquid into a working chamber from the outside. The liquid supply section is configured so that liquid is dispersed in the longitudinal direction of the tooth groove of the screw rotor rather than in the width direction thereof.
US11149726B1 Systems and method for use of single mass flywheel alongside torsional vibration damper assembly for single acting reciprocating pump
A pump system may include a pump, a driveshaft, driving equipment, and a vibration dampening assembly configured to reduce pump-imposed high frequency/low amplitude and low frequency/high amplitude torsional vibrations. The pump may have an input shaft connected to the driveshaft. The driving equipment may include an output shaft having an output flange connected to the driveshaft. The driving equipment may be configured to rotate the driveshaft to rotate the input shaft of the pump therewith. The vibration dampening assembly may include one or more flywheels operably connected to the input shaft and configured to rotate therewith.
US11149722B2 Variable displacement refrigerant compressor having a control valve adapted to adjust an opening degree of a pressure supply passage and a switching valve in the pressure supply passage closer to a controlled pressure chamber than the control valve and switching between a first state and a second state
A variable displacement compressor capable of preventing delay in pressure release of a controlled pressure chamber, such as a crank chamber. A switching valve (350) disposed downstream of a control valve of a pressure supply passage includes a main valve body (352) and a sub valve body (400). The main valve body (352) includes an internal passage (352d) providing communication between a first valve hole (104e1) communicating with a pressure supply passage (145a) between the control valve and the switching valve (350), and a second valve hole (151a) communicating with a pressure supply passage (145b) between the switching valve (350) and the crank chamber. The main valve body (352) provides communication between the second valve hole (151a) and a pressure release hole (351a1) communicating with the suction chamber, when pressure Pm in the pressure supply passage (145a) is lower than pressure Pc in the crank chamber. The sub valve body (400) closes the internal passage (352d) of the main valve body (352), when pressure Pm is lower than pressure Pc. The sub valve body (400) is lighter than the main valve body (352), and thus, when pressure Pm decreases, the sub valve body (400) actuates before the main valve body (352), to close the internal passage (352d) of the main valve body (352).
US11149720B2 Thermally-powered coiled polymer fiber tensile actuator system and method
Actuators (artificial muscles) comprising twist-spun nanofiber twist-inserted polymer fibers generate tensile actuation when powered electrically, photonically, chemically, thermally, by absorption, or by other means. These artificial muscles utilize coiled polymer fibers and can be either neat or comprising a guest. In some embodiments, the coiled polymer fibers actuator can be incorporated into an article, such as a textile, braid, clothing, smart packaging, or a mechanical system, and the coiled polymer fiber in the coiled polymer fiber actuator can have a stroke amplification factor of 5 or greater.
US11149714B2 System and method for optimizing auxiliary loads based on operational usage
A method for optimizing auxiliary loads of a wind farm having a plurality of wind turbines includes tracking, via a farm-level controller of the wind farm, operational usage for one or more auxiliary components of at least one of the wind turbines in the wind farm as the operational usage for the one or more auxiliary components induces a load on the auxiliary component(s). The method also includes determining, via the farm-level controller, a power consumption of the load induced on the one or more auxiliary components based on the operational usage. Further, the method includes receiving, via the farm-level controller, at least one additional parameter of the wind farm. Moreover, the method includes implementing, via the farm-level controller, a control command for one or more of the one or more auxiliary components based on the power consumption and the at least one additional parameter.
US11149708B2 Vaccuum-assisted mounting of vortex generator device on a wind turbine blade
The subject matter is directed to a method of mounting flow-altering devices on wind turbine blades, the mounting device and the flow-altering device. The flow-altering devices having a base with an inner side for attaching to a blade, and an outer side with flow-altering device parts protruding from the base. The method provides for a mounting device with a mounting panel supporting one or more flow-altering devices; arranging the mounting panel on an area of application on the surface of the blade with an adhesive material between the inner side of the device and the surface of the blade, and with a seal between the mounting panel and the surface to form a cavity between the mounting panel and the surface of the blade; applying a negative pressure in the cavity; releasing the negative pressure; and removing the mounting panel.
US11149706B2 Hydraulic driving system and driving method for barring
The disclosure relates to a hydraulic driving system and a driving method for barring. The driving system comprises: three or more main drive hydraulic cylinders, which are divided into two groups to provide pulling and pushing forces to a driven impeller, each main drive hydraulic cylinder including a cylinder body and a piston rod which divides the cylinder body into a rod cavity and a godless cavity, wherein an oil line for the rod cavity and an oil line for the godless cavity of each main drive hydraulic cylinder are controlled by one control valve module; and a control device, which controls the control valve module according to wind and/or load signals, to simultaneously convert flow directions of hydraulic oil in the oil line for the rod cavity and the oil line for the godless cavity of at least one of the three or more main drive hydraulic cylinders.
US11149692B2 Deflection mitigation structure for combustion system
A combustion section for a gas turbine engine including an inner casing comprising a first material defining an inner diameter of a pressure vessel and a first heat transfer coefficient. A second material is extended at least partially over an outer diameter of the first material. The second material is disposed radially between the first material and a combustor liner. The second material defines a second heat transfer coefficient less than the first heat transfer coefficient.
US11149687B2 Thrust reverser cascade array and method for producing the same
A method of producing a cascade array and a cascade array is provided. The method includes: forming a plurality of strongbacks from a first thermoplastic material; forming a plurality of comb subassemblies, each said comb subassembly including one of the plurality of strongbacks and a plurality of vanes comprising a second thermoplastic material extending outwardly from the respective one of the plurality strongbacks; and attaching the plurality of comb subassemblies into a unitary structure to produce the cascade array.
US11149685B2 Modified acoustic secondary nozzle
An assembly for the rear of a bypass turbomachine (10) comprises a primary nozzle (11) comprising a trailing edge defining a primary flow path portion and a secondary nozzle (110) defining a secondary flow path portion, defined about a longitudinal axis (X), said secondary nozzle being configured to eject a mixture of the flows coming from a secondary flow path (Vs) and from a primary flow path (Vp) of the turbomachine (10), the secondary nozzle being of convergent-divergent shape with a throat (112) corresponding to a minimum cross section of the nozzle (110), the secondary nozzle (110) comprising, at the throat (112), a periodic succession of lobes (116, 118) which are situated along the internal circumference of the secondary nozzle (110). The assembly also comprises a lobed mixer (130) at the downstream end of the primary nozzle (11), this having an alternation of hot lobes (134) extending inside the secondary flow path and of cold lobes (132) extending inside the primary flow path. The lobes of the nozzle (110) which are concave (118), which is to say radially towards the outside, and respectively which are convex (116), which is to say radically towards the inside, if the longitudinal offset is disregarded, radically face the respectively hot lobes (134) and cold lobes (132) of the mixer (130).
US11149684B2 Method for fabricating dilution holes in ceramic matrix composite combustor panels
A heat shield panel for use in a combustor of a gas turbine engine is disclosed. In various embodiments, the heat shield panel includes an inner base layer, an outer base layer, and a grommet having a flange disposed between the inner base layer and the outer base layer.
US11149682B2 Combustion chamber structure for engines
A structure of a combustion chamber for an engine includes a crown surface of a piston, a combustion chamber ceiling surface, an injector and an ignition plug provided on the combustion chamber ceiling surface, and an intake opening and an exhaust opening opened in the combustion chamber ceiling surface. A side where the intake opening is opened is defined as an intake port side, and a side where the exhaust opening is opened is defined as an exhaust port side. An ignition portion of the ignition plug is disposed on the intake port side. The ignition plug is ignited at a timing after the piston passes a compression top dead center. The injector is disposed on the center portion, and is configured to inject fuel toward the exhaust port side. A cavity is provided on the crown surface. A reverse squish flow generation portion is provided in the combustion chamber.
US11149680B1 Weak tumble flow fast combustion system and gas engine
A weak tumble flow fast combustion system is provided. An intake throat and an exhaust throat are provided on a cylinder head, a section of an intake duct close to the intake throat is a tumble guide duct, an axis of the tumble guide duct is arranged obliquely with respect to the bottom surface of the cylinder head, and an upper side surface of the tumble guide duct is a flowing-down guide surface arranged obliquely with respect to the bottom surface of the cylinder head, a lower side surface of the tumble guide duct is an arc-shaped guide surface recessed toward the bottom surface of the cylinder head, an eccentric chamfer is provided at the lower end of the intake throat, and the eccentric direction of the eccentric chamfer is offset along the direction connecting the center of the intake throat to the exhaust throat.
US11149677B1 Control of cylinders of an engine according to an engine configuration scheme
An engine optimization controller may determine values of a set of input parameters of an engine and process, using an engine model, the values to determine a plurality of sets of potential output parameters. The engine optimization controller may determine, based on the plurality of sets of potential output parameters, an engine optimization scheme, which may indicate a first number of cylinders, of one or more cylinders of the engine, to be active and to receive gas; a second number of cylinders, of the one or more cylinders, to be inactive and to receive gas, and/or a third number of cylinders, of the one or more cylinders, to be inactive and to not receive gas. The engine optimization controller may provide the engine configuration scheme to another controller to allow control of the one or more cylinders and one or more fuel injectors according to the engine configuration scheme.
US11149674B2 Method for diagnosing a digital flow-control valve of a high-pressure fuel injection pump
Disclosed is a method for the diagnosis of a digital valve in a fuel injection system. In the diagnosis, a diagnosis current is applied to the digital valve with an intensity and for a hold time that are predetermined by experiment on digital valves identified as being fault-free, this intensity and this time being recognized as being sufficient for an inflection on a curve of the closing current to be detected in the hold time. Measurements are taken at more than 3 kHz of the diagnosis current added to the induced current in the hold time. When an inflection on the current curve is detected in this hold time, it is concluded that the valve is working correctly. When no inflection on the curve is detected in this hold time, it is concluded that the valve is faulty.
US11149670B2 Exhaust purification system
This exhaust purification system includes: a pump disposed in an exhaust-side purge passage to supply air or purge gas purged from a canister to a catalyst; a three-way valve disposed upstream of the pump in the exhaust-side purge passage and configured to switch the exhaust-side purge passage between a communicating state allowing the pump to communicate with the canister and an atmosphere open state allowing the pump to communicate with the atmosphere; a flow control valve disposed downstream of the pump and configured to control a flow rate of air to be supplied to the catalyst; and a controller configured to, when a request to regenerate the catalyst occurs, control a purge valve, the pump, the three-way valve, and the flow control valve to supply, to the catalyst, purge gas purged from the canister and air by a necessary amount to burn particulates trapped in the catalyst.
US11149665B2 Method and system for controlling engine derating
The invention relates to a method of controlling engine derating of an internal combustion engine (10) being provided with a turbocharger (110) and a variable inlet guide vanes assembly (130) arranged upstream a compressor (120) of the turbocharger (110). The method comprises determining a current operational condition requiring engine derating, detecting a current operational condition of the compressor (120), and controlling the position of the variable inlet guide vanes assembly (130) based on the detected operational condition of the compressor (120).
US11149657B2 Throttle device
Provided is a throttle device including a total of two throttle units in two cylinders in an engine, each of the throttle units having a throttle shaft, throttle valves, and a motor driving and rotating the throttle shaft, in which a return spring provided in a first throttle unit and a return spring provided in a second throttle unit out of the two throttle units are components of the same type and have mutually different installation forms in the throttle units such that biasing torques at the same degree of opening of the throttle valves differ from each other, thereby enabling performances of responding to a change in rotation speed to be different from each other.
US11149649B2 Hybrid gas turbine engine system powered warm-up
An aspect includes a hybrid gas turbine engine system of a hybrid electric aircraft. The hybrid gas turbine engine system includes a gas turbine engine, an electric motor operable to perform an electric taxiing of the hybrid electric aircraft, and a controller. The controller is operable to prevent fuel flow to the gas turbine engine during at least a portion of the electric taxiing and monitor for a powered warm-up request during the electric taxiing. A powered warm-up state of the gas turbine engine is initiated based on detecting the powered warm-up request. The powered warm-up state adds heat to one or more components of the gas turbine engine prior to transitioning to a takeoff power state. The gas turbine engine transitions from the powered warm-up state to the takeoff power state after reaching a target temperature of the one or more components in the powered warm-up state.
US11149648B2 Methods and apparatus for controlling at least part of a start-up or re-light process of a gas turbine engine
A method of controlling at least part of a start-up or re-light process of a gas turbine engine, the method comprising: controlling ignition within a combustion chamber of the gas turbine engine; controlling rotation of a low pressure compressor using a first electrical machine, and controlling rotation of a high pressure compressor using a second electrical machine, the combustion chamber downstream of the low pressure compressor and high pressure compressor; determining if an exit pressure of the high pressure compressor is equal to or greater than a self-sustaining threshold pressure; and in response to determining that the exit pressure of the high pressure compressor is equal to or greater than the self-sustaining threshold pressure, ceasing controlling rotation of the low pressure compressor using the first electrical machine, and/or the high pressure compressor using a second electrical machine.
US11149644B2 Heat exchange module for a turbine engine
A heat exchange module is provided for a turbine engine. The heat exchange module includes a duct and a plurality of heat exchangers. The duct includes a flowpath defined radially between a plurality of concentric duct walls. The flowpath extends along an axial centerline through the duct between a first duct end and a second duct end. The heat exchangers are located within the flowpath, and arranged circumferentially around the centerline.
US11149641B2 Gas turbine engine and method to cool a gas turbine engine case assembly
A method of cooling a gas turbine engine case assembly includes moving a fan air valve that is operatively connected to a pre-cooler having a bypass inlet that is configured to receive bypass air that bypasses a gas turbine engine core to facilitate a provision of bypass air through a fan air valve inlet to the bypass inlet to a first open position, in response to a core compartment temperature being greater than a target core compartment temperature. The method further includes bleeding the bypass air through a bypass outlet of the pre-cooler into a core compartment.
US11149636B2 Turbine powered electricity generation
A process is provided for separating syngas fuel into a CO-rich stream for feeding to oxyfuel combustor means of CO2 turbine means and a H2-rich stream for feeding to air-fuel gas turbine means for generating power provides opportunity to realize operating and equipment advantages.
US11149631B2 Hydraulically operated two speed front end accessory drive
A front end accessory drive system is disclosed. The system includes a hub configured to drivingly engage with a crankshaft and a gear transmission system. A one-way clutch includes a first bearing ring connected to an end of a plurality of planet pins of the gear transmission system, and a second bearing ring connected to a sun gear of the gear transmission system. A pump configured to direct hydraulic fluid through a hydraulic fluid circuit. A clutch pack is in fluid connection with the hydraulic fluid circuit. The clutch pack includes at least one clutch plate supported by the gear transmission system, such that a portion of the gear transmission system is grounded via frictional engagement of the at least one clutch plate in an actuated state of the clutch pack.
US11149630B2 Oil drain system for a generator engine
A standby generator having an engine with oil drain tube that facilitates removal of engine oil from the standby generator is disclosed. The standby generator includes an enclosure comprising a plurality of sidewalls, with an opening formed in one of the sidewalls, and an engine positioned within the enclosure. The engine further includes an oil drain and an oil drain tube having a first end coupled to the oil drain and a second end that opens and closes to selectively drain oil from the engine, the oil drain tube being positionable so as to extend out through the opening. The opening in the one of the sidewalls is lower than the oil drain, such that the oil drain tube is positioned with a downward angle when extending from the oil drain and out of the enclosure through the opening.
US11149623B2 Pneumatic motor assembly utilizing compressed gas to rotate a magnet assembly and having a cooling jacket surrounding the motor and the magnet assembly to circulate the compressed gas for cooling the magnet assembly, and a flow induction system using the same
A pneumatic motor assembly that includes a pneumatic motor, which is driven by a compressed gas. The pneumatic motor assembly has a magnet assembly that magnetically couples the pneumatic motor assembly to an implement. After having being used to drive a pneumatic motor, the gas, which has expanded and become colder, cools the magnet assembly The pneumatic motor assembly can thus enable the use to the implement at temperatures at which the magnet assembly would otherwise reach or exceed the maximum operating temperature of the magnet assembly. A flow induction system that includes the pneumatic motor assembly. A method of operating a pneumatic motor assembly that also cools a magnet assembly that is part of the pneumatic motor assembly.
US11149617B2 System and method for low CO emission engine
In one aspect, a system is provided and includes an engine including an exhaust valve, an exhaust manifold downstream of the exhaust valve and a muffler downstream of the exhaust manifold. The system also includes a catalyst positioned downstream of the exhaust valve.
US11149612B2 Method for operating an exhaust gas post treatment system of a diesel engine and exhaust gas post treatment system
A method for operating an exhaust gas post-treatment system of a diesel engine and associated exhaust gas post-treatment system are described. The system has two NOx sensors upstream and downstream of an SCR catalytic converter. The NOx sensor downstream of the SCR catalytic converter is used to divide the NOx information measured by the sensor upstream of the SCR catalytic converter into an NOx value and an NH3 value. Using this simple method, the SCR catalyst control and diagnosis can be carried out precisely and robustly.
US11149608B2 Method for selective catalytic reduction with desorption of ammonia from a cartridge in an exhaust line
Disclosed is a method for selective catalytic reduction operating by desorbing ammonia from at least one storage cartridge in an exhaust line at the output of a motor vehicle engine, the cartridge being arranged in at least one bypass branch of a main line of the exhaust line. The exhaust gas flow rate in the bypass branch is controlled according to an estimated or measured temperature in the bypass branch and a desired amount of ammonia to be injected by desorption estimated in the exhaust line to provide a catalytic reduction of the nitrogen oxides present in the exhaust gas, a temperature of the cartridge being estimated according to the gas flow rate at the temperature estimated or measured during a given time interval and corresponding to an amount of desorbed ammonia equal to the desired amount of ammonia.
US11149602B2 Passive flap valve for vehicle exhaust system
A valve assembly for a vehicle exhaust system includes at least one pipe enclosing an exhaust gas flow path, the pipe defining a central axis, and at least one flexible flap positioned within the exhaust gas flowpath. The at least one flexible flap has one fixed edge held fixed to the pipe and extends to a distal edge that is free to bend in response to an increase in exhaust gas flow pressure to provide a variable restriction to flow through the pipe that varies in response to a pressure difference upstream and downstream of the at least one flexible flap.
US11149601B2 Oil separator having first and second gas inlets and gas outlets
An oil separator for separating oil droplets and/or oil mist from gases, in particular from blow-by gases of an internal combustion engine is described.
US11149599B2 Systems and methods for IEGR using secondary intake valve motion and lost-motion reset
Systems and methods for internal exhaust gas recirculation (iEGR) in internal combustion engines may utilize secondary intake valve lift events during an exhaust valve main event in lost motion valve actuation systems. The secondary intake valve lift event may occur at the beginning or end of the exhaust valve main event. Favorable intake valve lift profiles are obtained with the use of a reset component, which may perform a hydraulic reset on the lost motion component in order to ensure that the intake valve secondary lift event occurs optimally near the beginning of an exhaust valve main event. The reset component may be triggered using motion from an exhaust valvetrain, for example, by a triggering component such as a reset pad, on an exhaust rocker. The reset component may also be triggered on the basis of the intake rocker arm position, in which case a reset pad that is fixed to the engine head or fixed relative to the intake rocker motion may be used.
US11149591B2 Heat accumulator comprising a diffuser portion
A heat reservoir including a housing, first reservoir elements for storing thermal energy, and an inlet port is provided. The first reservoir elements are arranged in the housing. The inlet port is coupled to the housing in such a way that a working fluid can flow into the housing through the inlet port. The inlet port is provided with an inlet orifice through which the working fluid can flow from the surroundings of the heat reservoir into the inlet port. The inlet port includes a diffusor portion the cross-section of which increases in the direction running from the inlet orifice to the housing.
US11149587B2 Radial—axial turboexpander
The combined radial-axial turboexpander (1) comprises a casing (3) and a shaft (5) arranged in the casing (3) for rotation therein. A radial impeller (25) and an axial expansion wheel (43) are mounted on the shaft (5). The axial expansion wheel (43) is arranged downstream of the radial impeller (25). A working fluid expands sequentially in the radial impeller and in the axial expansion wheel.
US11149584B2 Containment case having ceramic coated fibers
Containment assemblies and methods for forming containment assemblies of gas turbine engines are provided. For example, a containment assembly comprises a containment case including a plurality of coated fibers. Each coated fiber comprises a fiber surrounded by a ceramic material such that the ceramic material coats the fiber. As another example, a containment assembly comprises an inner case and a containment case comprising a plurality of coated fibers. Each coated fiber comprises a fiber surrounded by a ceramic material such that the ceramic material coats the fiber. The containment case includes a greater proportion of the coated fibers at an inner surface of a layer of the containment case than at a location within the containment case that is radially outward from the inner surface. Methods for forming a containment assembly of a gas turbine engine are provided.
US11149583B2 Gas turbine engine particulate ingestion and accumulation sensor system and method
A system and method for determining particulate accumulation in a gas turbine engine includes sensing the number, size, and type of particulate at a first position on the gas turbine engine and supplying first data representative thereof, where the first position located at a first side of a gas turbine engine component; sensing the number, size, and type of particulate at a second position on the gas turbine engine and supplying first data representative thereof, where the second position located at a second side of the gas turbine engine component and downstream of the first position; and processing the first data and the second data to determine the mass of the particulate accumulated on the gas turbine engine component.
US11149579B2 Wastegate assembly or turbine
A turbine comprises a turbine housing defining a turbine inlet upstream of a turbine wheel and a turbine outlet downstream of the turbine wheel; and a wastegate valve assembly comprising at least one movable valve member mounted on a movable support member within a wastegate chamber which communicates with the turbine inlet upstream of the turbine, and has one or more chamber outlets which communicate with an outlet of the turbine. The valve member is permitted to articulate slightly about the support member, with the amount of articulation being limited by collisions between respective limit areas on a rear surface of a sealing portion of the valve member and a front surface of the support member. Each valve member is connected to the support member using a pin portion of the valve member which passes through a washer with a non-circular outer profile, and rotation of the washer is limited by contact surfaces of the support member.
US11149575B2 Airfoil fluid curtain to mitigate or prevent flow path leakage
Flow path assemblies for gas turbine engines are provided. For example, a flow path assembly comprises an inner wall defining an inner boundary of a flow path and a plurality of pockets therein, and a unitary outer wall defining an outer boundary of the flow path. The unitary outer wall includes combustor and turbine portions that are integrally formed as a single unitary structure. The flow path assembly further comprises a plurality of nozzle airfoils that each have an inner end radially opposite an outer end and define an internal cavity for receipt of a flow of cooling fluid. The inner end of each nozzle airfoil is received in one of the plurality of inner wall pockets and defines an outlet for the flow of cooling fluid to flow from the internal cavity to the pocket, which forms a fluid curtain to discourage fluid leakage from the flow path.
US11149571B2 Guiding ring for variable-pitch blades and method of mounting said ring
A ring for guiding variable-pitch blades and supporting an abradable coating for an aircraft turbomachine ring extends about an axis (X) and includes substantially radial orifices for mounting guiding sleeves intended each to receive a pivot of one of the blades. The ring may include a radially inner crown divided into sectors and supports the abradable coating. A radially outer annular ferrule may be divided into sectors and include the orifices for mounting the sleeves. In some embodiments, each ferrule sector is mounted about a crown sector by a circumferential sliding connection. The crown sector may include an immobilizer for rotationally immobilizing the sleeves of this ferrule sector about the axis.
US11149563B2 Ceramic matrix composite blade track with mounting system having axial reaction load distribution features
An assembly adapted for use in a gas turbine engine has a carrier component and a supported component. The assembly includes a mounting system for coupling the supported component to the carrier component. In an illustrative embodiment, the assembly is a turbine shroud segment for blocking gases from passing over turbine blades included in the gas turbine engine.
US11149558B2 Frangible gas turbine engine airfoil with layup change
An airfoil including a plurality of composite plies extending from a leading edge to a trailing edge and between a tip and a root. The airfoil further includes a frangible airfoil portion at the tip extending between the leading edge and the trailing edge and extending between the tip and a frangible line along a span including a first plurality of composite plies. Each of the first plurality of composite plies includes fibers oriented at least partially along a chordwise direction, a thickness direction, or both. The airfoil further includes a residual airfoil portion extending from the frangible line to the root along the span including a second plurality of composite plies. The second plurality of composite plies includes at least one composite ply with fibers oriented along the span. Further, the residual airfoil portion meets the frangible airfoil portion at the frangible line.
US11149552B2 Shroud for splitter and rotor airfoils of a fan for a gas turbine engine
A fan for a gas turbine engine is provided. The fan includes a rotor including at least one rotor stage having a rotatable disk defining a flowpath surface and an array of rotor airfoils extending outward from the flowpath surface; an array of splitter airfoils extending outward from the flowpath surface, wherein the splitter airfoils and the rotor airfoils are disposed in a sequential arrangement; and a shroud extending between the rotor airfoils and the splitter airfoils.
US11149550B2 Blade neck transition
A blade for use with a gas turbine engine includes an attachment and an airfoil. The airfoil further includes a suction side wall configured to be exposed to less pressure than the pressure side wall during operation of the gas turbine engine. The blade also includes a plurality of intersecting ribs transitioning from an airfoil cross sectional geometry to an attachment cross section geometry.
US11149549B2 Blade of steam turbine and steam turbine
A blade of a steam turbine includes a plurality of turbine blade rows which are fixed to a radially outer side of a rotor shaft rotating about an axis, and are arranged in an axial direction in which the axis extends, and a turbine vane row which is disposed to be adjacent to an upstream side of the turbine blade row in the axial direction for each of the plurality of turbine blade rows, the blade of a steam turbine including a blade body which is disposed in a steam main flow path which is formed around a rotary shaft such that main steam flows through the steam main flow path, the blade body having an airfoil cross section in which a concave positive-pressure surface and a convex negative-pressure surface are continuous to each other via a leading edge and a trailing edge.
US11149545B2 Closed chamber impulse test with downhole flow rate measurement
An apparatus for performing a well test operation includes a tubular member having a surge chamber and a valve that can control fluid flow from a well into the surge chamber during the well test operation. The apparatus can also include a flow control device, in addition to the valve, for further controlling fluid flow into the surge chamber from the well. Flow rate and pressure data can be measured during the well test operation and used to estimate reservoir properties. Various other systems, devices, and methods are also disclosed.
US11149542B2 Dynamic system for field operations
A method for controlling field equipment can include receiving information via an interface of a control system; analyzing the information by the control system with respect to tiered well construction activities; based on the analyzing, generating a workflow that includes at least a series of tiered well construction activities; and transmitting a signal from the control system to the field equipment to control the field equipment to perform at least one of the series of tiered well construction activities.
US11149541B2 Pump isolation apparatus and method for use in tubing string pressure testing
An apparatus and method for pressure testing a tubing string of a fluid production well, the tubing string being provided with a progressing cavity pump at a downhole end, which apparatus and method can be used to help determine whether the tubing string has failed or the pump has failed. The apparatus comprises a plug member connected to the rod string assembly that includes the pump rotor, such that the rod string assembly can be lowered to seat the plug member in a seat member within the tubing string above the pump, thus sealing off and isolating the pump from the rest of the tubing string, allowing pressure testing of the tubing string above the pump.
US11149536B2 Measurement of torque with shear stress sensors
In some examples, a downhole torque measurement tool comprises a first surface of a structure and a second surface of the structure. The second surface is facing the first surface, and a shear stress sensor is positioned on the first surface. A flexible coupling is positioned between the shear stress sensor and the second surface, and the flexible coupling is coupled to the first and second surfaces.
US11149535B2 Electric submersible pump (ESP) with gas handling shroud inlet
An electric submersible pump (ESP) assembly. The ESP assembly comprises an electric motor, a centrifugal pump mechanically coupled to the electric motor, and a gas handling inverted shroud assembly.
US11149530B2 Subsea system and method for pressurization of a subsea oil reserve by injecting at least one of water and gas
The present invention relates to the injection of water and gas, either simultaneously or alternately, into subsea wells in order to enhance production and the oil recovery level. Thus, the present invention provides a subsea system for pressurizing a subsea oil reservoir injecting at least one of water and gas, comprising (i) at least two subsea injection wells (4, 4′), each subsea injection well (4, 4′) being connected to a production unit (5) by means of a single subsea line (1, 2) which is connected to the respective subsea injection well (4, 4′) by a main injection mandrel (6, 6′), and (ii) at least one jumper (3), each jumper (3) hydraulically connecting two of the at least two adjacent subsea injection wells (4, 4′) through annular mandrels (7, 7′). The present invention further provides a subsea reservoir pressurization method associated with the above-described system.
US11149525B2 System, method and apparatus for controlling fluid flow through drill string
A device for limiting the flow of drilling fluid through a section of drill string includes a body with a hole in the periphery. Flow enters the device through one axial end, at least a portion of the flow exits through the other axial end. Some of the fluid flow can be diverted through the peripheral hole. A spring-biased axial piston may have an approximately constant force throughout its range of travel. The piston moves axially in response to the changing fluid flow rate to enable a constant amount of flow exiting the axial end of the tool to be achieved while diverting away excess flow through the side.
US11149522B2 Plugging device
A barrier plug assembly for sealing a subterranean wellbore arranged inside a tubing, the barrier plug assembly comprising: at least one frangible barrier element stacked on a carrier ring; a locking sleeve arranged above the carrier ring and located in a closed fluid chamber; a valve arranged on the closed fluid chamber and in pressure communication with the tubing, the valve configured or allowing or preventing pressure communication in between the tubing and the fluid chamber; a retaining device configured for locking the a carrier ring in place; a crushing element arranged a distance below the one frangible barrier element and configured for crushing the at least one frangible barrier element.
US11149521B2 Downhole sleeve with dissolvable release
A delayed opening sliding sleeve system includes a first sleeve that prevents initiating the dissolution or erosion of a dissolvable or erodible retainer. The first sleeve is opened by a pressure cycle to expose or otherwise initiate the dissolution of a retainer. The retainer holds a second sleeve in place. The second sleeve is held closed against subsequent pressure cycles until such time as the retainer is dissolved or otherwise removed. With the retainer removed the second sleeve may be opened allowing fluid communication between the exterior and the interior of the sleeve system.
US11149516B2 High pressure sealing tool for use in downhole environment
A sealing assembly for forming a seal within a subterranean well includes a sealing tool having a mandrel. Two or more seal members circumscribe the mandrel. The seal members are moveable between a retracted position and an extended position. A seal actuator can move the seal members between the retracted position and the extended position. A pressure communication port is located between adjacent of the two or more seal members, the pressure communication port extending from the central passage of the mandrel to an exterior of the sealing tool. A pressure communication valve is associated with the pressure communication port, the pressure communication valve operable to move between an open position where the pressure communication valve provides a path for flow of a fluid between the central passage and the exterior of the sealing tool between adjacent of the two or more seal members, and a closed position.
US11149513B2 Integrated double-studded pack-off adapter
An integrated multi-pressure fracking adapter apparatus comprising a cylindrical body for mounting on a wellhead casing head, having an exterior circumference, an interior circumference creating a cylindrical passage perpendicular to the radius, pipe and casing seals within the cylindrical passage, a high pressure mounting surface, a low pressure mounting surface, fasteners for securing to wellhead components, an external sealing surface, and a testing port whereby a user installs an integrated multi-pressure fracking adapter in between a lower pressure casing head and a high-pressure fracking valve assembly, injects packing material, verifies the seals functionality, and begins fracking with high pressure fracking fluids thereby reducing costs of high pressure equipment and manhours involved removing and replacing the low pressure rated well head components with high pressure well head components for fracking then restoring the original components.
US11149512B2 Subsea umbilical termination assembly
A subsea umbilical termination assembly comprising a base (1), said base (1) includes a core frame construction (2) with elongated sides (3, 4) onto which support plates (5, 6, 7) are mounted, wherein at least a pair of mounting rails (12, 13) are respectively secured to the core frame construction (2) along elongated sides (3, 4) and said mounting rails (12, 13) are provided with positioning elements (16, 17) to allow a modular support plate arrangement, which is fixed to the mounting rails (12, 13).
US11149507B2 Rotating control device
An apparatus includes a non-rotating housing, a rotatable member rotatably supported in the non-rotating housing and a bearing adapter sleeve disposed externally to the non-rotating housing. The bearing adapter sleeve has an internal upset for limiting longitudinal movement of the non-rotating housing. The bearing adapter sleeve has a retaining ring affixed to a longitudinal end of the bearing adapter sleeve to limit longitudinal movement of the non-rotating housing.
US11149505B2 Drilling fluid flow measurement in an open channel fluid conduit
An example method for determining fluid flow in an open channel fluid conduit may include coupling a sensor assembly to an exterior surface of the open channel fluid conduit. Measurements may be received from the sensor assembly. The method may further include calculating a flow rate of a fluid within the open channel fluid conduit based, at least in part, on the received measurement.
US11149502B2 Drill pipe
A drill pipe has a tubular body with a first end, a second end, an outer wall and an inner wall. A first connection end is connected to the first end of the tubular body and a second connection end is connected with the second end of the tubular body. The first connection end and the second connection end have an inner wall and an outer wall, the outer wall is substantially cylindrical in shape and the inner wall defines a central cavity. The first connection end and the second connection end are sized to allow for mating with a corresponding drill pipe. The outer wall of the tubular body is substantially cylindrical in shape. The inner wall of the tubular body defines a central cavity that is in fluid communication with the central cavity of the first connection end and the second connection end. The inner wall has at least one land and at least one groove. The at least one groove has at least one twist along the length of the tubular body.
US11149492B2 Methods for manufacturing a drum and a spring brake for an electromechanical actuator, associated electromechanical actuator and home automation installation
A method relates to the manufacture of a drum for a spring brake for an electromechanical actuator, the drum including a housing configured to house at least one helical spring, an input member and an output member. The housing has an internal friction surface configured to cooperate with at least one coil of the helical spring. The method includes at least one step of mechanical surface treatment of the inner surface of the housing of the drum, the mechanical surface treatment of the inner surface of the housing of the drum being a step of creating grooves on the inner surface of the housing.
US11149485B2 Cooking appliance having stowable double doors
A cooking appliance may have side-by-side, outwardly-opening doors. The doors may be operatively coupled to each other such that they rotate together and also translate together into respective storage slots on either side of an appliance cavity. Translation into the storage slots may include guiding respective roller carriages of the doors along tracks in the storage slots.
US11149484B1 Door stop
A door stop for a door includes a clamp that is securable over a first side edge of a door. The clamp has a guide. An arm has a receiving portion for receiving the guide to permit movement of the arm on the clamp between an open position and a closed position. A spring mechanism is operably coupled to the clamp and the arm, and urges the arm on the guide of the clamp toward the closed position. In the closed position, the arm prevents the door from engaging with a respective door jamb.
US11149478B2 Refrigerator
The present invention provides a refrigerator, comprising a cabinet, a door and a hinge body. A guide block is provided on the door, a rotation shaft is provided on the hinge body, and rotation shaft grooves are provided on the guide block. With the structure of the hinge body, the gravity of the door and the friction force may be shared onto the first and second plate bodies of the hinge body, thereby reducing abrasion and prolonging the service life of the door of the refrigerator.
US11149475B2 Door device for vehicle
A door device for a vehicle includes a latch drive device configured to unlatch a swing door by driving a latch mechanism, a door hold-open device configured to hold the swing door at an opened angle by applying a braking force to the swing door, a door open switch issuing an operation request of the latch drive device to open the swing door; a door stop switch issuing an operation request of the door hold-open device, and a grip portion including the door open switch and the door stop switch to issue the operation requests of the door open switch and the door stop switch in a state where an occupant of the vehicle holds the grip portion.
US11149460B2 Parking system
A parking system is described. The system includes a parking tower. The parking tower includes at least two levels and a vertical passageway. A vehicle gripping system is provided. The vehicle gripping system includes a 5 vertical lift frame vertically movable in the passageway. The vehicle gripping system also includes a horizontal slide frame slidably coupled to the vertical lift frame and horizontally movable relative to the vertical lift frame and across each level. A sliding wheel gripper is slidably coupled to and extending downwards from the horizontal slide frame, for releasably gripping a vehicle 10 by gripping the wheels of the vehicle. The sliding wheel gripper is longitudinally slidable along the horizontal slide frame between a release position and a gripping position.
US11149459B2 Pool cleaning robot with removable filter and impeller
A pool cleaning robot that may include a drive motor; an impeller; an impeller motor that is configured to rotate the impeller; wherein the impeller, once rotated at a first rotational direction, is configured to induce fluid to flow through the pool cleaning robot; a filter for filtering fluid that flows through the pool cleaning robot; and wherein the filter and the impeller are detachably coupled to one or more elements of the pool cleaning robot; and are configured to concurrently exit the pool cleaning robot while the impeller motor remains coupled to the one or more elements of the pool cleaning robot.
US11149456B2 Pool perimeter and water agitator system and assembly
An agitator system for a diving station that directs water flow from the perimeter of a pool onto a water surface of the pool, where the agitator system is connected to a pool perimeter assembly having a return conduit for receiving pressurized water, and the return conduit has at least one return outlet, includes a spray port and a fluid delivery system. The spray port is located on the pool perimeter assembly and is configured for directing a water spray onto the water surface of the pool. The fluid delivery structure is in downstream fluid communication from the return conduit and in upstream fluid communication with the spray port. A first portion of the pressurized water in the return conduit is communicated to the spray port via the fluid delivery structure, and a second portion of the pressurized water is delivered to the return outlet for dispersing to the pool.
US11149455B2 Adjustable support for a swimming machine
An adjustable support for a provided swimming machine includes a movable assembly and a fixed assembly for adjusting the height of the provided swimming machine. The movable assembly is fixedly mounted to the provided swimming machine. The fixed assembly is attached to a pool wall of a provided swimming pool and selectively coupled to the movable assembly. One of the movable assembly or the fixed assembly includes a plurality of engaging portions, and the other of the movable assembly or the fixed assembly includes a limiting member that mates with at least one of the plurality of engaging portions. The movable assembly is switchable between a locked position and an unlocked position. The limiting member fixedly engages at least one of the plurality of engaging portions in the locked position. The limiting member is disengaged from the at least one of the plurality of engaging portion in the unlocked position, thereby providing for the movable assembly to move vertically relative to the fixed assembly.
US11149450B2 Formwork base
Disclosed herein is a support base for use in shuttering formwork. The support base includes an angle section member and a plurality of clamping brackets. The clamping brackets further include clamping members engageable with the clamping brackets to define a clamping portion aligned with openings on the angle section member. Also disclosed herein is a method of supporting shuttering formwork which uses the support base.
US11149449B2 Pool stair forms and methods of forming pool stairs
The disclosure provides for pool step forms and related methods for forming steps in a pool formed by wall panels. The step forms may include a wall panel insert configured for insertion between adjacent pool wall panels. The step forms may include one or more step form brace configured to couple with the wall panel insert and, thereby, the wall panels. The step forms may include riser forms that from riser portions of the stairs when the step forms and riser forms are coupled. The pool stair forms may be filled with filling material to form tread portions of the stairs. The pool stair forms may include liner support members coupled to the step form braces and/or the wall panels that facilitate the coupling of a liner to the stairs formed by the pool stair forms and filling material.
US11149438B2 Louvered panel assembly
The technology provides an improved louvered panel assembly having a louver panel with at least a first louver and a second louver and a pivot bar that extends therebetween. A control arm is secured between the pivot bar and an operator to rotate the louver panel between open and closed positions. The first and second louvers include a central receiver that receives a first bearing surface to rotate the louvers about a rotational axis extending therethrough. A leading projection extends from the first louver and is rotated downward as the first louver operates between open and a closed positions. A trailing projection extends from the second louver and is rotated upward as the second louver operates between open and a closed positions. An elongated track is positioned below the louver panel and is spaced from the louver panel by a flap structure having a sealing membrane.
US11149437B2 Extruded aluminum canopy with hidden fasteners
A system and method for fabricating canopies featuring extruded members coupled together with fasteners that are hidden and are retained by multiple tracks located in the extruded members. Prefabricated corners of extruded members allow fabricators to build the canopy on site by attaching straight members to form a canopy from the four prefabricated corners.
US11149432B2 System, method and apparatus for substantially airtight area separation wall
An area separation wall (ASW) may include gypsum liner panels and structural elements located between adjacent ones of the gypsum liner panels. A sealing material may be located between the gypsum liner panels and the structural elements, and between adjacent ones of the structural elements. The sealing material may form seals therebetween, such that the ASW is substantially airtight when assembled. In addition, the ASW may include a fire rating of at least 2 hours in compliance with ANSI/UL 263.
US11149422B1 Sink
A sink including a vessel volume having an interior surface, where the vessel volume includes a base wall, a first side wall extending from the base wall to at least partially form a bowl, a second side wall extending from the base wall opposite the first side wall to at least partially form a cup, and a strainer plate extending from the second side wall opposite the base wall. The sink also including a first piece of sheet material at least partially defining the interior surface of the vessel volume, and a second piece of sheet material fused to the first piece of sheet material, where the second piece of sheet material at least partially defines the interior surface of the vessel volume.
US11149421B2 Embedded sink
The present application provides an embedded sink, comprising a basin liner and a mounting panel; the basin liner comprises a bottom plate and a side plate, the bottom plate and the side plates are suitable to be connected to form a cavity having an upper opening, the basin liner is suitable for embedded installation in a cabinet, and the front side plate of the basin liner protrudes relative to the cabinet; the mounting panel is detachably connected to the front side plate of the basin liner, the mounting panel is suitable to cover the front side plate of the basin liner. The embedded sink of the present application can avoid destructive alterations of the embedded sink on the basis of improving the overall visual consistency of the cabinet.
US11149418B2 Faucet handle hub
A valve assembly for a faucet including a valve cartridge having a valve stem and supported within a valve body, a handle operably coupled to the valve stem, a handle hub supported for rotation relative to the valve body, and a coupler operably coupling the valve stem with the handle hub.
US11149403B2 Work attachment and work machine including the same
A work attachment is capable of performing work at a high place while restricting the driving force required to lift the work attachment from its fallen posture in a folded state. The work attachment includes a main boom, a first insert boom and a second insert boom to be selectively used, an intermediate boom, an arm, and a distal working device. The intermediate boom has bendable first and second joints. The second insert boom has a fixed shape. The first insert boom is bent to project upward at a middle joint in the fallen posture, thereby making the center of gravity of the work attachment closer to a boom rotation center axis.
US11149402B2 Building elements for making retaining walls, and systems and methods of using same
A building element for coupling with other building elements to erect a retaining wall. Exemplary building elements have receiving spaces for receiving increased weight of fill material to provide increased stability. Optionally, each building element can have an enlarged face profile that provides efficiency in the shipping and assembly process. Optionally, each building element can define alignment voids that receive portions of alignment posts for ensuring vertical alignment between adjacent building elements or portions of building elements.
US11149399B2 Track-type jet grouting integrated system
A track-type shotcrete integrated system includes: a proportioner working bin, a storage bin, a power bin, and load-bearing legs, wherein bottom sections of the load-bearing legs are equipped with a track chassis for moving, and the track chassis is electrically connected to a track controller; the storage bin contains a storage tank I and a storage tank II for storing different raw materials; a feed pump I is installed on a top of the storage tank I, and a feed pump II is installed on a top of the storage tank II; inlet pipes of the feed pump I and the feed pump II insert into the storage tank I and storage tank II respectively, and outlet pipes of the feed pump I and the feed pump II are connected to a feed pipe I and a feed pipe II respectively.
US11149395B2 Cellular sheet pile retaining systems with unconnected tail walls, and associated methods of use
Embodiments of the disclosure are directed to cellular sheet pile retaining wall systems with unconnected tail walls, and associated methods of use and manufacture. In one embodiment, a retaining system includes a face wall having a plurality of interconnected face wall sheet piles. The individual face wall sheet piles have a first length and extend a first depth into soil, and the face wall sheet piles form an exterior surface facing an exterior environment. The system also includes a tail wall including a plurality of interconnected tail wall sheet piles extending from the face wall away from the exterior environment. The individual tail wall sheet piles have a second length greater than the first length, and the individual tail sheet wall piles extend a second depth into the soil that is greater than the first depth.
US11149393B2 Beach erosion inhibitor
A system for impeding shore erosion includes a sea-facing barrier wall penetrated by large holes that allow water with entrained sand to enter the apparatus. Smaller holes provided in a rear wall allow the water to drain into an underlying reservoir after the entrained sand has settled. An extension can be abutted to a top of the barrier wall to enhance sand collection during a storm. Water that flows over the barrier wall is caused to flow over a top of the extension, whereby water with entrained sand falls through openings in the extension top. Sand collected by the extension remains on the shore when the extension is removed. The apparatus can include plywood, metal, or plastic. Embodiments can be disassembled and/or folded for transport and storage. Internal reinforcing partition walls can extend between the barrier and rear walls. The apparatus can be further anchored by stakes.
US11149392B2 Portable water barrier
A water barrier is formed from a kit of parts comprising at least one substantially water-impermeable membrane and a plurality of water-permeable panels that, when connected together, form a structural frame including a first part for supporting the at least one water-impermeable membrane against horizontal water pressure and a second part substantially perpendicular to the first part. A support structure may connect the first part and the second part to resist deflection of the frame. In an alternative arrangement, the frame of the water barrier may also be assembled in an inverted-V configuration.
US11149387B2 Deck-slab waterproofing-membrane application brush and deck-slab waterproofing-membrane application apparatus provided therewith
A deck-slab waterproofing-membrane application brush for coating highway-bridge deck slabs with a waterproofing membrane, and a deck-slab waterproofing-membrane application apparatus for towing the brush to spread on waterproofing product are made available to enable the applying of deck-slab waterproofing membranes uniformly, safely, and efficiently to highway bridges. The deck-slab waterproofing-membrane application brush, for spreading on highway-bridge deck-slab waterproofing product, is characterized in that inside a furrow in a furrowed metal plate, numerous metallic bristles are aligned into rows in a packed, sheet-like form and fastened in a state in which the numerous metallic bristles are clamped.
US11149382B2 Articles with embroidered sequins in variable patterns
Hot melt sequins and methods of applying these sequins are disclosed. Sequins can be arranged in various patterns. Sequins can be arranged in dispersive patterns. Sequin patterns can be used to create gradients on the outside of an upper. The sequins can be used to attach two layers where the density of the sequins used to attach the layers can affect thermal properties, flexibility and relative motion between the layers.
US11149379B2 System iron
The present invention relates to a system iron. The system iron of the present invention includes a body including therein a steam generator for generating steam; an ironing plate disposed on the body so as to spray the steam generated by the steam generator to an outside; a height adjustment box, which is retracted into the body and extended outwards from the body so as to adjust a height of the ironing plate; a lock including a first bar, which projects outwards from the height adjustment box so as to limit the movement of the height adjustment box; a lock holder, which is connected to two side surfaces of an end of the lock so as to change the position of the first bar, thereby allowing the height adjustment box to be moved; and a height adjustment lever for moving the lock holder via a wire.
US11149364B2 Ribbon needle loom
In order to improve the design of a ribbon needle loom for applications in which the woven material (9) shall have a variable width, it is proposed to arrange the weft needle (10, 16) and also the knitting needle (10b, 16b) serving to knit the weft thread (14, 15) at the side directed away from the weft insertion onto a common, displaceable carrier (10c, 16c). As a further improvement, in order to be able to produce symmetrical woven material (9) with such a ribbon needle loom, a bilateral weft-insertion is proposed, wherein the two weft needles (10, 16) and the two knitting needles (10b, 16b) by means of which the respective weft thread (14, 15) is knitted at the side directed away from the weft insertion are each disposed on a common, displaceable carrier (10c, 16c). Advantageously, the carriers (10c, 16c) do not hinder each other upon displacement, but rather are arranged on top of each other.
US11149363B2 Glass cloth
A glass cloth includes warp yarns and weft yarns formed by bundling in the range of 14 to 55 glass filaments having a diameter in the range of 3.0 to 4.2 μm, and has a weaving density of the warp yarns and the weft yarns of 86 to 140 yarns/25 mm, a thickness of 7.5 to 12.0 μm, a mass of 6.0 to 10.0 g per m2, and an average number of stages of 2.00 or more and less than 3.00, an average degree of opening, which is indicated as the geometric mean of the degree of opening of the warp yarns and the degree of opening of the weft yarns, in the range of 1.000 to 1.300, and a yarn width ratio, as the ratio of the yarn width of the warp yarns to that of the weft yarns, in the range of 0.720 to 0.960.
US11149360B2 Method for making a shaped nonwoven
A method for making nonwoven fabric. The nonwoven fabric can include three-dimensional features that define a microzone comprising a first region and a second region. The first and second regions can have a difference in values for an intensive property. The nonwoven further has a plurality of apertures, wherein at least a portion of the aperture abuts at least one of the first region and the second region of the microzone.
US11149358B2 Vapor phase growth apparatus comprising n reactors, a primary gas supply path, a main secondary gas supply path, (n−1) auxiliary secondary gas supply paths, a first control circuit, and a second control circuit
A vapor phase growth apparatus includes n (n is an integer of 2 or more) reactors; a primary gas supply path supplying a mixed gas to the reactors; n secondary gas supply paths connected to one of the reactors including a main secondary gas supply path and (n−1) auxiliary secondary gas supply paths; a first pressure gauge; a main flow rate controller provided in the main secondary gas supply path; (n−1) auxiliary flow rate controllers provided in the auxiliary secondary gas supply paths; a first control circuit instructing a first flow rate value; and a second control circuit calculating a second flow rate value being 1/n of a sum of a flow rate value measured by the main flow rate controller and flow rate values measured by the auxiliary flow rate controllers, and instructing the second flow rate value to the auxiliary flow rate controllers.
US11149356B2 Methods of forming metals using ionic liquids
A method of forming an elemental metal (e.g., a rare-earth element) includes forming a multicomponent solution comprising an ionic liquid, a secondary component, and a metal-containing compound. The multicomponent solution is contacted with at least a first electrode and a second electrode. A current is passed between the first electrode to the second electrode through the multicomponent solution. The metal-containing compound is reduced to deposit the elemental metal therefrom on the first electrode.
US11149344B2 Apparatus and method for preparing multi-component alloy film
A preparation device has a chamber, molten metal containers, a rotatable base in the chamber and having a deposition substrate, laser sets generating a dual-pulse laser, a base controller and a data collection control unit. The containers communicate with the chamber and each has a pulse pressurization apparatus pressing the molten metal into the chamber. The laser sets correspond to the containers such that beams of an emitted dual-pulse laser bombard the pulsed droplets, plasmas are generated and are sputtered and deposited on the substrate forming a multi-element alloy thin film. The unit collects base temperature and displacement information, and controls the pressurization frequency of the pulse pressurization apparatus, and the emission frequency and energy of the dual-pulse laser of the laser sets controlling the frequency and energy of the dual-pulse laser bombarding the corresponding pulsed droplets. The base controller controls the base temperature, rotation and movement.
US11149341B2 Mask plate and manufacture method thereof, mask assembly and vapor deposition apparatus
A mask plate and manufacturing method thereof, a mask assembly and a vapor deposition apparatus are provided. The mask plate includes a mask pattern region, and a peripheral region of the mask pattern region, the peripheral region including a recess structure, and a recess direction of the recess structure being parallel to a thickness direction of the mask plate. When the glass substrate is superposed on the mask plate, the force suffered by the glass substrate at the weld pad is reduced, and the probability of scratching the glass substrate is lowered.
US11149338B2 Gas turbine engine component coating with self-healing barrier layer
A method of providing a self-healing coating includes providing substrate, applying a layer of an aluminum-containing MAX phase material and another material to the substrate. The method includes exposing the layer to a temperature greater than 2000° F. to form alpha aluminum.
US11149337B1 Continuous galvanizing apparatus and process
A continuous galvanizing apparatus for rods and process therefor. The apparatus includes a liquid reservoir. A plurality of adjacent tubes each pass into, through, and out of the liquid reservoir. Each of the adjacent tubes has at least one opening within the liquid reservoir so the tubes are in fluid communication with the reservoir. A rod drive mechanism moves a plurality of adjacent rods into, through, and out of the plurality of adjacent tubes. A kettle is provided beneath both the liquid reservoir and beneath the tubes. At least one pump pumps liquid from the kettle to the liquid reservoir so that liquid is continuously cycled to the tubes.
US11149327B2 Method and device for heating a steel blank for hardening purposes
A method and a device for heating a sheet metal blank or a formed sheet metal component above the austenitization temperature for the purpose of quench hardening, wherein the dew point of the furnace atmosphere is set to −15° C. to 15° C., preferably to −10° C. to 10° C., in particular for the formation of a loosely adhering oxide skin, for controlling an oxide skin on the sheet metal or component coated with a metallic corrosion protection layer or an uncoated sheet metal or component.
US11149305B2 Detection of rare sequence variants, methods and compositions therefor
The present disclosure encompasses methods of error corrected sequencing (ECS) that enable detection of very rare mutations well below the error rate of convention next generation sequencing (NGS). Further, the methods disclosed herein enable multiplex targeting of genomic DNA.
US11149303B2 Methods of depleting a target nucleic acid in a sample and kits for practicing the same
Provided are methods of depleting a target nucleic acid in a sample. The methods include contacting a target nucleic acid with two or more polymers that specifically hybridize to the target nucleic acid, and cleaving the hybridized regions of the target nucleic acid to deplete the target nucleic acid in the sample. Kits for practicing the subject methods are also provided.
US11149302B2 Method of DNA synthesis
The present invention relates to an in vitro cell-free process for production of deoxyribonucleotides (DNAs) comprising at least one hairpin, corresponding DNA products and uses thereof, and oligonucleotides and kits useful in the process of the invention.
US11149292B2 Processes for the preparation of (R)-2-(7-(4-cyclopentyl-3-(trifluoromethyl)benzyloxy)-1,2,3,4-tetrahydrocyclopenta[B]indol-3-yl)acetic acid and salts thereof
The present invention relates to processes and intermediates useful in the preparation of (R)-2-(7-(4-cyclopentyl-3-(trifluoromethyl)benzyloxy)-1,2,3,4-tetrahydrocyclopenta[b]indol-3-yl)acetic acid of Formula (Ia) and salts thereof, an S1P1 receptor modulator that is useful in the treatment of S1P1 receptor-associated disorders, for example, diseases and disorders mediated by lymphocytes, transplant rejection, autoimmune diseases and disorders, inflammatory diseases and disorders (e.g., acute and chronic inflammatory conditions), cancer, and conditions characterized by an underlying defect in vascular integrity or that are associated with angiogenesis such as may be pathologic (e.g., as may occur in inflammation, tumor development and atherosclerosis).
US11149289B2 Protein having nuclease activity, fusion proteins and uses thereof
The present invention relates to a nucleic acid molecule encoding (I) a polypeptide having the activity of an endonuclease, which is (a) a nucleic acid molecule encoding a polypeptide comprising or consisting of the amino acid sequence of SEQ ID NO: 1; (b) a nucleic acid molecule comprising or consisting of the nucleotide sequence of SEQ ID NO: 2; (c) a nucleic acid molecule encoding an endonuclease, the amino acid sequence of which is at least 70% identical to the amino acid sequence of SEQ ID NO: 1; (d) a nucleic acid molecule comprising or consisting of a nucleotide sequence which is at least 50% identical to the nucleotide sequence of SEQ ID NO: 2; (e) a nucleic acid molecule which is degenerate with respect to the nucleic acid molecule of (d); or (f) a nucleic acid molecule corresponding to the nucleic acid molecule of any one of (a) to (e) wherein T is replaced by U; (II) a fragment of the polypeptide of (I) having the activity of an endonuclease. Also, the present invention relates to a vector comprising the nucleic acid molecule and a protein encoded by said nucleic acid molecule. Further, the invention relates to a method of modifying the genome of a eukaryotic cell and a method of producing a non-human vertebrate or mammal.
US11149287B2 Optimal soybean loci
As disclosed herein, optimal native genomic loci have been identified in dicot plants, such as soybean plants, that represent best sites for targeted insertion of exogenous sequences.
US11149279B2 Gene therapy DNA vector VTvaf17, method of production; Escherichia coli strain SCS110-AF, method of production; Escherichia coli strain SCS110-AF/VTvaf17 bearing gene therapy DNA vector VTvaf17, method of production
Disclosed is a gene therapy DNA vector VTvaf17 for genetic modification of animal and human cells having SEQ ID No. 1, and methods for its synthesis, involving constructing vectors containing a promoter region of human elongation factor EF1A, a polylinker with sites for restriction endonucleases, a transcription terminator, a polyadenylation sequence of human growth factor, a regulatory element of transposon Tn10 allowing for antibiotic-free positive selection, an origin of replication, and a kanamycin resistance gene. Escherichia coli strain SCS110-AF is also provided by the present invention. The method for creating the strain involves constructing a linear DNA fragment containing regulatory element of transposon Tn10, a levansucrase gene, sacB, a chloramphenicol resistance gene, and two homologous sequences. The E. coli cells are transformed by electroporation and clones surviving chloramphenicol are chosen. The invention further discloses Escherichia coli strain SCS110-AF/VTvaf17, which carries DNA vector VTvaf17, and methods for its synthesis.
US11149273B2 Lipid formulated compositions and methods for inhibiting expression of serum amyloid A gene
The invention relates to a double-stranded ribonucleic acid (dsRNA) targeting a Serum Amyloid A (SAA) gene, and methods of using the dsRNA to inhibit expression of SAA
US11149270B2 Biosynthesis and engineering of lanthipeptides
Platforms, systems and methods are provided for identifying engineered lanthipeptide display peptides expressed in vivo from biological organisms.
US11149269B2 Compositions and methods for non-antibiotic treating of bacterial infections by blocking or disrupting bacterial genes involved in virulence or viability
Provided are modified Staphylococcus aureus pathogenicity islands of a variety of types and origins. The pathogenicity island are characterized as having a polynucleotide comprising a bacterial pathogenicity island nucleotide sequence (a “B-PINS”) that contains one or more modifications (“modified B-PINS”), that include i) a deletion or disruption of at least one virulence determinant of the B-PINS; and ii) an insertion of at least one cargo sequence. The polynucleotide are capable of being packaged within a bacterium into a phage-like particle that comprises a bacteriophage capsid, tail and tail fiber proteins in the form of an antibacterial drone (“ABD”). The ABD is capable of infecting bacteria such that at least one cargo sequence is introduced into bacteria infected by the ABD. Pharmaceutical and other compositions the ABDs are also included. Bacteria that make the ABDs are provided, as are isolated and/or purified ABDs. Methods of killing or otherwise modifying bacteria using the ABDs are also provided.
US11149268B2 Assembly system for a eukaryotic cell
The present invention is based on the advantageous use of single-stranded oligonucleotides in the in vivo (within a cell) assembly of double-stranded oligonucleotides into a single double-stranded nucleic acid construct. The present invention relates to the use of at least a first and a second single-stranded oligonucleotide in the assembly within a cell of at least two double-stranded nucleic acid molecules into a single double-stranded nucleic acid construct of pre-determined sequence, wherein the first and second single-stranded oligonucleotide are essentially complementary to each other.
US11149262B2 Botulinum toxin cell binding domain polypeptides and methods of use for skin rejuvenation
A polypeptide having an amino acid sequence corresponding to a binding domain of a botulinum toxin is described. The polypeptide modulates expression of genes involved in, for example, collagen production and extra cellular matrix organization, and finds use, therefore in modulating skin quality attributes such as elasticity, firmness etc. Moreover, the polypeptide inhibits lipogenesis in specialized cells and finds use, therefore, in reducing skin oiliness, which is frequently observed in skin tissue afflicted with large pores and acne. Nucleic acids encoding the polypeptide, as well as vectors, host cells, and systems comprising the nucleic acids, are further described.
US11149261B2 Provident method of cellulases enzymes production by Penicillium funiculosum MRJ-16 using low cost media components
The present invention relates to a method of cellulases enzymes production by Penicillium funiculosum MRJ-16 using minimum media components and/or low cost media components like cellulose or pretreated lignocellulosic biomass as carbon source and soya flour or defatted soya flour or de-oiled soya cake as nitrogen source. The present invention also provides a method for production of high titer of cellulases and hemicellulases enzymes using Penicillium funiculosum MRJ-16 using minimum media and/or low cost media components.
US11149256B2 Adeno-associated virus compositions for targeted gene therapy
Described herein are compositions and kits comprising recombinant adeno-associated viruses (rAAVs) with tropisms showing increased specificity and efficiency of viral transduction in targeted cell-types, for e.g., the brain, and lung. The rAAV compositions described herein also have tropisms showing decreased specificity and decreased efficiency of viral transduction in an off-target cell type, for e.g., the liver. The rAAV compositions described herein encapsidate a transgene, such a therapeutic nucleic acid. Upon systemic delivery to a subject, the rAAV is capable of increased specificity and increased transduction of the transgene in a target cell-type, as compared to a parental or reference AAV.
US11149251B2 Methods for preparing therapeutically active cells using microfluidics
The present invention is directed to the use of microfluidics in the preparation of cells and compositions for therapeutic uses.
US11149244B2 Three-dimensional bioreactor for T-cell activation and expansion for immunotherapy
The present invention relates to the application of a three-dimensional (3D) bioreactor for T-cell expansion for immunotherapy.
US11149240B2 Rotary device for bio-printing and method for using the same
The present invention relates to a rotary rod for 3D bio-printing, in which the rotary rod is arranged horizontally and is driven to rotate, the rotary rod has a hollow structure and provided with at least one hole in a surface thereof, such that during a 3D bio-printing process, a nutrition solution passes through the hollow structure and a portion of the nutrition solution exudes via at least one hole. The present invention further provides a 3D bio-printing platform for supplying nutrition, comprising the rotary rod and a nutrition supply system, and a method of printing a tubular tissue using the bio-printing platform. The present invention, which reduces the possibility of resulting in tissue collapse from the effect of gravity, provides a new method of 3D bio-printing a tubular tissue and supplying nutrition in a printing process, with a wide application prospect.
US11149239B2 Method for producing low-sugar vegetable and fruit enzyme product
This invention disclosed a method for preparing low-sugar vegetable and fruit enzyme product comprising obtaining a fruit or/and vegetable as a material; fermenting the material for at least three times sequentially, and producing an enzyme product, wherein the first fermentation is yeast fermentation, the second fermentation is acetic acid bacteria fermentation and the third fermentation is lactic acid bacteria fermentation; and the sugar content of the enzyme product is less than 5 wt %, especially, in a predetermined fermentation condition, the sugar content of the enzyme product is less than 2.5 wt %.
US11149238B2 Method for embedding images in soap
A method of producing a solid soap containing at least one image embedded within the solid soap includes printing a printed image on a base layer of solid soap, applying molten soap to the printed base layer, and allowing the soap to harden so as to embed the image within the solid soap. The image can be a high-resolution image and can be printed on the base layer of solid soap using a flatbed printer. The soap can include a background layer against which the image is visible.
US11149236B2 Non-corrosive cleaning composition
A cleaning composition, which is self-adhering upon application to a hard surface, is provided. The cleaning composition includes an adhesion promoter, water and a sufficient amount of a basic agent, such that a mixture of the composition with deionized water has a pH of at least about 10. The adhesion promoter typically includes one or more organic compounds, each containing at least one hydrophilic group. The cleaning compositions may also include at least one surfactant selected from the group of: anionic, nonionic, cationic, amphoteric, and/or zwitterionic surfactants; where one or more of the surfactants may serve all or in part as the adhesion promoter.
US11149232B2 Automatic dishwashing composition
A phosphate-free automatic dishwashing composition including an amine and an enzyme.
US11149227B2 Lubricating oil composition, lubricating method, and transmission
Provided are a lubricating oil composition containing a mineral oil (1) having a kinematic viscosity at 100° C. of 2.5 mm2/s or more and 5 mm2/s or less, and a polymethacrylate (2) having a functional group containing an oxygen atom in the molecule while having a specific structural unit, which satisfies both high viscosity index and high shear stability, and a lubrication method and a transmission using the lubricating oil composition.
US11149225B1 Incendiary device
An inventive incendiary device is provided. The incendiary device comprises a plurality of corrugated components which are substantially saturated with a waxy component. In one preferred embodiment, the plurality of corrugated components are arranged in a stacked configuration to form a firestarter log. The firestarter log can additionally include a support component longitudinally disposed therethrough. The firestarter log can further comprise an ignition component at least partially disposed thereupon. In some aspects, the firestarter log further comprises a groove, which can provide an air passageway, and in which the ignition component can be at least partially disposed.
US11149219B2 Enhanced visbreaking process
Embodiments of the disclosure provide a visbreaking system and method for upgrading heavy hydrocarbons. A heavy hydrocarbon feed is introduced to a furnace to produce a soaker feed stream. The soaker feed stream is introduced to a soaker to produce a soaker effluent stream. The soaker effluent stream is introduced to a fractionator to produce a visbreaker distillate stream and a visbreaker residue stream. The visbreaker residue stream and a water feed are introduced to a supercritical water reactor operated at supercritical conditions of water to produce an effluent stream. The effluent stream is introduced to a flash column to produce a gas phase stream including water and a liquid phase stream including water. A portion of the liquid phase stream and the heavy hydrocarbon feed is combined. Optionally, a portion of the gas phase stream and the heavy hydrocarbon feed is combined. Optionally, a portion of the gas phase stream is introduced to the fractionator.
US11149213B2 Method to produce light olefins from crude oil
Embodiments of the disclosure provide a system and method for producing light olefins from a crude oil. A crude oil feed is introduced to a crude distillation unit to produce a distillate fraction and a residue fraction. The distillate fraction is introduced to a non-catalytic steam cracker to produce a light olefin fraction and a pyrolysis oil fraction. The residue fraction is introduced to a supercritical water reactor to produce an effluent stream. The effluent stream is introduced to a flash separator to produce a gas phase fraction and a liquid phase fraction. The gas phase fraction is introduced to a catalytic steam cracker to produce a light olefin fraction and a pyrolysis oil fraction. Optionally, the residue fraction is introduced to a vacuum distillation unit to produce a light vacuum gasoil fraction, a heavy vacuum gasoil fraction, and a vacuum residue fraction. The vacuum residue fraction is introduced to a solvent deasphalting unit to produce a deasphalted oil and a pitch fraction. The deasphalted oil fraction, optionally combined with the heavy vacuum gasoil fraction, can be introduced to the supercritical water reactor in lieu of the residue fraction.
US11149205B2 Triphase organic matter pyrolysis system and its atmospheric pressure water ion generating device
A triphase organic matter pyrolysis system includes multiple devices cooperating with each other. The feeding device delivers organic matters into the preheating device. The preheated organic matters are delivered into the pyrolysis and carbonization reaction device. The steam generating device produces a saturated steam which is delivered into the water ion generating device which heats the saturated steam into a superheated steam which is dissociated into water ions which are delivered into the pyrolysis and carbonization reaction device. The water ions cut, dissociates and carbonizes the organic matters to form carbon residues and gas-liquid wastes. The heat energy is recycled by the heat recycle device and is delivered into the preheating device. The gas-liquid wastes are processed by the gas-liquid separation device and the gas purifying device to form gas and liquid that are harmless.
US11149204B2 Liquid crystal alignment agent composition, method for preparing liquid crystal alignment film using same, and liquid crystal alignment film and liquid crystal display using same
Provided is a liquid crystal alignment agent composition comprising a terminal modifier compound containing an amino group together with a polyimide containing an acid anhydride group at its terminus or a precursor polymer thereof, a method for preparing a liquid crystal alignment film using the same, and a liquid crystal alignment film and a liquid crystal display using the same.
US11149201B2 Silicon nitride layer etching composition
Provided is a silicon nitride layer etching composition, and more specifically, a silicon nitride layer etching composition including two different silicon-based compounds in an etching composition to be capable of selectively etching a silicon nitride layer relative to a silicon oxide layer with a remarkable etch selectivity ratio and providing remarkable effects of suppressing generation of precipitates and reducing the abnormal growth of other layers existing in the vicinity, including the silicon oxide layer when the silicon nitride layer etching composition is used for an etching process and a semiconductor manufacturing process.
US11149194B2 Stabilizing styrenic polymer for quantum dots
The present disclosure provides a composite particle that includes: a fluorescent semiconductor core/shell nanoparticle (preferably, nanocrystal); and a stabilizing homo- or copolymer combined with the core/shell nanoparticle, the stabilizing (co)polymer comprising styrene monomer units and functionalized with phosphine, arsine or stibine groups.
US11149192B1 Actuating materials and method of making and using the same
The present disclosure provides for a photoredox-responsive material, processes of making the photoredox-responsive material, and methods of use thereof.
US11149191B2 Polymer coated proppant
A cross-linkable thermoplastic resin coating that is suitable for use in a coated proppant material used in sand control in oil and gas wells. The cross-linkable thermoplastic exhibits improved stability and low temperature and pressure strength compared to current thermosetting resin formulations.
US11149190B2 Compositions and methods for acid diversion during acid stimulation of subterranean formations
Treatment fluids for acid diversion during acid stimulation of a subterranean formation may include at least an acidizing fluid, a nanoparticle dispersion, and an activator. The treatment fluid may include from 40 weight percent to 70 weight percent acidizing fluid based on the total weight of the treatment fluid. The treatment fluid may include from 20 weight percent to 40 weight percent nanoparticle dispersion based on the total weight of the treatment fluid. The treatment fluid may include from 5 weight percent to 15 percent activator based on the total weight of the treatment fluid. Methods of treating a subterranean formation with the treatment fluids are also disclosed.
US11149185B2 Multifunctional foaming composition with wettability modifying, corrosion inhibitory and mineral scale inhibitory/dispersants properties for high temperature and ultra high salinity
The present invention is related to the obtaining and using of multifunctional foaming compositions with wettability modifying, corrosion inhibitory and inhibitory/dispersants mineral scale properties with high stability in environments of high temperature, high pressure and tolerance to high concentrations of divalent ions such as calcium, magnesium, strontium and barium. The multifunctional foaming compositions are obtained from the combination of supramolecular complexes resulting from interactions of alkyl amido propyl hydroxysultaines and/or alkyl amido propyl betaines and/or alkyl hydroxysultaines and/or alkyl betaines and anionic surfactant of type alkyl hydroxyl sodium sulfonate and alkenyl sulphonates of sodium, with cationic surfactants as tetra-alkyl ammonium halides and copolymers derivatives of itaconic acid/sodium vinyl sulfonate and/or terpolymers derived from itaconic acid/sodium vinyl sulphonate/aconitic acid. These multinational foaming compositions control the gas channeling and favorably change the wettability and increase the recovery factor of crude oil in naturally fractured reservoirs of carbonate type and heterogeneous lithology. In addition to this, the multifunctional foaming compositions of this invention exhibit anti-corrosive properties in typical environments of production tubing of crude oil and antifouling/dispersants of mineral salts as calcium carbonate, calcium sulfate, barium and strontium in the reservoir and in the production and injection pipelines.