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1. 发明授权

US12044659B2 Vibronic multisensor 有权
公开(公告)号：US12044659B2
公开(公告)日：2024-07-23
申请号：US17618329
申请日：2020-05-06
申请人： Endress+Hauser SE+Co. KG
发明人： Jan Schleiferböck , Tobias Brengartner , Sergey Lopatin , Thorsten Springmann , Raphael Kuhnen
IPC分类号： G01N29/44 , G01N29/14 , G01N29/32 , G01N9/24 , G01N11/16
CPC分类号： G01N29/4436 , G01N29/14 , G01N29/326 , G01N9/24 , G01N11/16
摘要： A device and a method for determining and/or monitoring at least one process variable of a medium include a sensor unit having a mechanically oscillatable unit, at least a first piezoelectric element, a temperature detection unit for determining and/or monitoring a temperature of the medium and an electronics unit. The device is embodied to excite the mechanically oscillatable unit by means of an excitation signal such that mechanical oscillations are executed, to receive mechanical oscillations of the oscillatable unit and convert them into a first received signal, to transmit a transmitted signal and to receive a second received signal. The electronics unit is embodied, based on the first and/or second received signal, to determine the at least one process variable and, based on a third received signal received from the temperature detection unit, to determine the temperature of the medium.

2. 发明公开

US20240241083A1 SYSTEM AND METHOD FOR DECONVOLUTION OF REAL-TIME MASS FROM THE INFLUENCE OF TEMPERATURE AND PRESSURE ON CRYSTAL MICROBALANCE 审中-公开
公开(公告)号：US20240241083A1
公开(公告)日：2024-07-18
申请号：US18289631
申请日：2022-05-06
申请人： INFICON, Inc.
发明人： Chunhua Song , Mohamed B. Rinzan , Steve James Lakeman , Lukas Baumgartel , Matan Lapidot , Brian O'Neill
IPC分类号： G01N29/02 , G01N29/036 , G01N29/32
CPC分类号： G01N29/022 , G01N29/036 , G01N29/326
摘要： A system and method for determining the changes in resonance frequency in crystal microbalance (CM) sensors and the resulting changes in the determination of incremental mass on the CM sensors caused by temperature. Dual mode resonances and coefficients are used in a deconvolution process to determine and extract the frequency shift caused by temperature to provide the temperature compensated incremental mass (ΔM). In one embodiment, dual mode analysis is provided using a mass mode (e.g., the c-mode fundamental frequency (fc100)) and a temperature mode (e.g., the anharmonic frequency (fc102)) and associated coefficients. In other embodiments that are more sensitive to temperature changes, dual mode analysis is provided using the b-mode fundamental frequency (fb100) as the temperature-mode and associated coefficients.

3. 发明授权

US11982648B2 Active waveguide excitation and compensation 有权
公开(公告)号：US11982648B2
公开(公告)日：2024-05-14
申请号：US17107646
申请日：2020-11-30
申请人： Etegent Technologies, Ltd.
发明人： Oleg Lobkis , Richard A. Roth , Christopher G. Larsen , Stuart J. Shelley
IPC分类号： G01L11/06 , F01D17/08 , G01H11/00 , G01L1/10 , G01L1/25 , G01N29/07 , G01N29/12 , G01N29/24 , G01N29/32 , G01P15/097 , G01P15/10 , F01D17/02
CPC分类号： G01N29/326 , F01D17/08 , F01D17/085 , G01H11/00 , G01L1/10 , G01L1/255 , G01L11/06 , G01N29/07 , G01N29/12 , G01N29/2462 , G01P15/10 , F01D17/02 , F05D2220/32 , G01L1/106 , G01N2291/0215 , G01N2291/02827 , G01N2291/02872 , G01N2291/02881 , G01N2291/0421 , G01N2291/0422 , G01N2291/0426 , G01N2291/0427 , G01P15/097
摘要： An environmental condition may be measured with a sensor (10) including a wire (20) having an ultrasonic signal transmission characteristic that varies in response to the environmental condition by sensing ultrasonic energy propagated through the wire using multiple types of propagation, and separating an effect of temperature on the wire from an effect of strain on the wire using the sensed ultrasonic energy propagated through the wire using the multiple types of propagation. A positive feedback loop may be used to excite the wire such that strain in the wire is based upon a sensed resonant frequency, while a square wave with a controlled duty cycle may be used to excite the wire at multiple excitation frequencies. A phase matched cone (200, 210) may be used to couple ultrasonic energy between a waveguide wire (202, 212) and a transducer (204, 214).

4. 发明公开

US20230288379A1 SYSTEM AND METHOD FOR MONITORING HEAT TRANSFER EQUIPMENT 审中-公开
公开(公告)号：US20230288379A1
公开(公告)日：2023-09-14
申请号：US18180471
申请日：2023-03-08
申请人： TZero Research & Development LLC
发明人： Stephen M. Wells , Nicholas A. Wells , Eli M. Hughes
IPC分类号： G01N29/32 , G01N17/00 , G01N29/04 , G01N25/18
CPC分类号： G01N29/326 , G01N17/008 , G01N29/04 , G01N25/18
摘要： A system monitors temperature and vibration of one or more conduits that are part of a fluid flow path or paths of heat transfer equipment to detect potential fouling or other maintenance issues within the fluid flow path(s).

5. 发明申请

US20180231501A1 DETECTION AND MONITORING OF CHANGES IN METALLIC STRUCTURES USING MULTIMODE ACOUSTIC SIGNALS 审中-公开
公开(公告)号：US20180231501A1
公开(公告)日：2018-08-16
申请号：US15751429
申请日：2016-08-12
申请人： Los Alamos National Security, LLC , Chevron U.S.A. Inc.
发明人： Alp T. Findikoglu , Dipen N. Sinha , Daniel R. Chapman
IPC分类号： G01N29/04 , G01N29/07 , G01N29/34 , G01N29/44 , G01N29/46
CPC分类号： G01N29/043 , G01F1/66 , G01F1/708 , G01F1/74 , G01N29/07 , G01N29/326 , G01N29/343 , G01N29/348 , G01N29/4409 , G01N29/4463 , G01N29/4472 , G01N29/449 , G01N29/46 , G01N2291/011 , G01N2291/0258 , G01N2291/2634
摘要： Methods for detecting and monitoring changes in mechanical structures and in walls of pipes, vessels and storage tanks, using muitimode acoustic signal propagation and detection, are described. Acoustic signals having chosen amplitude-time-frequency characteristics excite multiple modes in the structure under investigation, are generated and received at a small number of accessible locations, such as the ends of pipes and the tops and bottoms of vessels and storage tanks, with the inspection region between transmit and receive transducers. Small mechanical changes lead to acoustic scattering and attenuation among the various modes, which are detectable as changes in received signal intensity. Such changes may include material loss, material conversion and material addition. Once the structure is characterized in a known condition, the present method may be used to monitor the structure at a later time to determine whether changes have taken place. Methods for effective temperature compensation are also described. In addition, various pipe geometries and complex pipe geometries involving elbows, flanges, and the like can be monitored.

6. 发明申请

US20170160241A1 METHODS AND APPARATUS FOR MACHINING OBJECTS 审中-公开
公开(公告)号：US20170160241A1
公开(公告)日：2017-06-08
申请号：US15346458
申请日：2016-11-08
申请人： ROLLS-ROYCE plc
发明人： Daniel CLARK , David C. WRIGHT
IPC分类号： G01N29/32 , G01N29/04 , G01N29/07 , B24C1/04
CPC分类号： G01N29/326 , B24C1/045 , G01B17/02 , G01N29/043 , G01N29/07 , G01N29/225 , G01N29/226 , G01N29/4427 , G01N2291/011 , G01N2291/0231 , G01N2291/02854
摘要： A method of machining an object, the method comprising: receiving a signal from an ultrasonic transducer; determining at least a first external surface of the object and a second internal surface of the object in the received signal; determining a thickness between the first external surface and the second internal surface of the object, the object comprising a first material between the first external surface and the second internal surface, and a second material between the second internal surface and a third surface, the determination of the thickness using a database including a plurality of materials and a plurality of associated acoustic wave velocities; and controlling machining of the first external surface using the determined thickness.

7. 发明申请

US20140352435A1 ACOUSTIC TRANSDUCER ASSEMBLY FOR A PRESSURE VESSEL 审中-公开
标题翻译：用于压力容器的声学传感器组件
公开(公告)号：US20140352435A1
公开(公告)日：2014-12-04
申请号：US14456557
申请日：2014-08-11
申请人： Rosemount Inc.
发明人： Lowell A. Kleven
IPC分类号： G01N29/14 , G01N29/04 , G01N29/32 , G01N29/22 , G01N29/28
CPC分类号： G01N29/14 , F16T1/48 , G01N29/04 , G01N29/228 , G01N29/2462 , G01N29/28 , G01N29/326 , G01N2291/0234 , G01N2291/0289 , G01N2291/2695
摘要： A transducer assembly includes an acoustic sensor element and an acoustic waveguide. The acoustic waveguide includes a rotatable acoustic coupler, a tube, and a foot. The foot has a mounting surface that is mountable on a fluid conduit. A circuit assembly couples to acoustic sensor element and provides a diagnostic output.
摘要翻译：传感器组件包括声学传感器元件和声波导。声波导包括可旋转的声耦合器，管和脚。脚具有可安装在流体导管上的安装表面。电路组件耦合到声学传感器元件并提供诊断输出。

8. 发明申请

US20140331778A1 Identification of Environmental Sensor Changes and Temperature Sensor Changes with a Two Layer Bulk Acoustic Wave Resonator 有权
标题翻译：用双层体声波谐振器识别环境传感器变化和温度传感器变化
公开(公告)号：US20140331778A1
公开(公告)日：2014-11-13
申请号：US14364980
申请日：2012-12-14
申请人： Cambridge Enterprise Limited , University of Bolton
发明人： Andrew Flewitt , William Milne , Luis Garcia-Gancedo , Jack Luo
IPC分类号： G01N29/32 , G01N29/24
CPC分类号： G01N29/326 , G01N29/022 , G01N29/036 , G01N29/2437 , G01N2291/0426
摘要： Provided is a method for measurement of a change in environment at a sensor. The sensor has: a first layer formed of a piezoelectric material; a second layer formed adjacent the first layer and acoustically coupled with the first layer; and electrodes disposed to apply a driving signal to the first layer to generate bulk acoustic waves. The temperature coefficient of frequency of the first layer is different to that of the second layer. In the method, a first layer resonant frequency associated with the first layer and a combination resonant frequency associated with a combination of the first and second layers are detected. A shift in one or both of the first layer resonant frequency and the combination resonant frequency is detected. A portion of the shift caused by a temperature change at the sensor is identified. Another portion of the shift caused by an environmental change at the sensor other than the temperature change is identified. Also provided is a corresponding sensor and sensor system operable to carry out the method.
摘要翻译：提供了一种用于测量传感器的环境变化的方法。传感器具有：由压电材料形成的第一层; 与第一层相邻形成并与第一层声耦合的第二层; 以及电极，其设置成向第一层施加驱动信号以产生体声波。第一层的频率温度系数与第二层的温度系数不同。在该方法中，检测与第一层相关联的第一层谐振频率和与第一层和第二层的组合相关联的组合谐振频率。检测第一层谐振频率和组合谐振频率中的一个或两个的偏移。识别由传感器的温度变化引起的偏移的一部分。识别出除了温度变化以外的传感器环境变化引起的移动的另一部分。还提供了可操作以执行该方法的相应的传感器和传感器系统。

9. 发明申请

US20140331771A1 Ultrasonic Measurement System 审中-公开
标题翻译：超声波测量系统
公开(公告)号：US20140331771A1
公开(公告)日：2014-11-13
申请号：US14081598
申请日：2013-11-15
申请人： Hitachi-GE Nuclear Energy, Ltd.
发明人： Atsushi BABA , Yoshinori MUSHA , Atsushi FUSHIMI
IPC分类号： G01B17/02 , G01K7/02
CPC分类号： G01B17/02 , G01B21/085 , G01K7/02 , G01N29/07 , G01N29/326 , G01N2291/02854
摘要： Disclosed is an ultrasonic measurement system that even without additional means for temperature measurement, compensates for a change in a sound speed of an ultrasonic wave in a section whose thickness is to be measured, and assesses a wall thinning state of this section by highly accurate measurement of the thickness.An ultrasonic transducer 101 includes a piezoelectric element 108. A high-temperature MI cable 102 contains strands 110A, 110B connected to the ultrasonic transducer 101, and further includes a metallic sheath 112. A temperature sensor is contained in the high-temperature MI cable 102, and includes a thermocouple section 114 to which the strands 110A, 110B are connected at one end of each strand. An ultrasonic transmitter/receiver 117 makes the ultrasonic transducer to transmit ultrasonic waves and to receive the waves reflected from the object whose thickness is to be measured. A temperature-measuring instrument 115 uses the temperature sensor to measure temperature of the object 106 whose thickness is to be measured. A signal logger 104 corrects the sound speed of the ultrasonic wave propagating through the object whose thickness is to be measured, by use of information on the temperature measured by the temperature-measuring instrument 115, and then measures the thickness of the object 106.
摘要翻译：公开了一种超声波测量系统，即使没有附加的温度测量装置，补偿了要测量其厚度的部分中的超声波的声速的变化，并且通过高度精确的测量来评估该部分的壁薄化状态的厚度。超声波换能器101包括压电元件108.高温MI电缆102包含连接到超声换能器101的线110A，110B，并且还包括金属护套112.温度传感器包含在高温MI电缆102中并且包括热电偶部分114，股线110A，110B在每股线的一端连接到该热电偶部分114。超声波发射器/接收器117使得超声波换能器发射超声波并接收从其厚度被测量的物体反射的波。温度测量装置115使用温度传感器来测量其厚度被测量的物体106的温度。信号记录器104通过使用由温度测量仪器115测量的温度的信息来校正通过要测量其厚度的物体传播的超声波的声速，然后测量物体106的厚度。

10. 发明授权

US08767060B2 Inspection apparatus having heat sink assembly 有权
标题翻译：具有散热器组件的检查装置
公开(公告)号：US08767060B2
公开(公告)日：2014-07-01
申请号：US11925085
申请日：2007-10-26
申请人： Joshua Lynn Scott , Marjorie L. Buerkle , James J. Delmonico , Thomas W. Karpen , Joseph V. Lopez
发明人： Joshua Lynn Scott , Marjorie L. Buerkle , James J. Delmonico , Thomas W. Karpen , Joseph V. Lopez
IPC分类号： A61B1/04 , H04N13/00
CPC分类号： G02B23/2476 , G01N21/88 , G01N21/954 , G01N29/043 , G01N29/326 , G01N2201/0221 , G01N2201/0231 , G01N2201/0612 , G01N2201/062 , G01N2201/0634 , G01N2201/0693 , G01N2201/0694 , G01N2201/0826 , G03B2205/0046 , G03B2205/0053 , H01L2924/0002 , H01L2924/00
摘要： An inspection apparatus can include a handset and an elongated inspection tube extending from the handset. For reduction of heat energy radiating from one or more components of the apparatus, the apparatus can include a particularly designed heat sink assembly.
摘要翻译：检查装置可以包括手机和从手机延伸的细长检查管。为了减少从设备的一个或多个部件辐射的热能，该设备可以包括特别设计的散热器组件。

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