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1. 发明授权

US11579620B2 Method for docking an autonomous mobile green area maintenance robot to a docking station, docking station system, green area maintenance system, and system 有权
公开(公告)号：US11579620B2
公开(公告)日：2023-02-14
申请号：US16899688
申请日：2020-06-12
申请人： Andreas Stihl AG & Co. KG
发明人： Peter Ritzer , Samuel Zoettl , Christian Horngacher
IPC分类号： G05D1/02 , B60L53/36 , B60L53/39 , A01D34/00 , H02J7/00 , A01D101/00
摘要： A method docks an autonomous mobile green area maintenance robot to a docking station. An electrical conductor arrangement runs in the region of the docking station, wherein the conductor arrangement is designed such that a periodic current flows through the conductor arrangement, wherein the current generates a periodic magnetic field. The green area maintenance robot has two magnetic field sensors, wherein the two magnetic field sensors are designed such that the magnetic field respectively causes a periodic sensor signal in the magnetic field sensors. The method has the steps of: determining a phase shift between the two sensor signals or signals based on the sensor signals, and controlling movement of the green area maintenance robot for docking on the basis of the determined phase shift.

2. 发明申请

US20210370788A1 SYSTEMS AND METHODS FOR WIRELESS VEHICLE POWER TRANSFER AND MISALIGNMENT ESTIMATION 有权
公开(公告)号：US20210370788A1
公开(公告)日：2021-12-02
申请号：US16885010
申请日：2020-05-27
申请人： TOYOTA MOTOR ENGINEERING & MANUFACTURING NORTH AMERICA, INC. , Utah State University
发明人： Zeljko Pantic , Seyed Mohammad Reza Tavakoli , Chungchih Chou , Ercan Mehmet Dede
IPC分类号： B60L53/39 , H02J50/12 , H02J50/90 , H02J7/02 , B60L53/12 , B60G17/017 , B60L53/36 , G06N3/08
摘要： A vehicle including a power receiving pad for wirelessly receiving power, a plurality of magnetic sensors for measuring a magnetic field of a power transmitting pad and obtaining magnetic field data, one or more processors, and one or more memory modules are provided. The one or more memory modules include a computer-readable medium storing computer-readable instructions that, when executed by the one or more processors, cause the one or more processors to receive the magnetic field data from the plurality of magnetic sensors, and estimate a lateral misalignment of the power receiving pad with respect to a magnetic axis of the power transmitting pad. The magnetic sensors are arranged to detect at least an X-component and a Y-component of a magnetic field produced by a power transmitting pad.

3. 发明授权

US11173794B2 Parking assistance method and parking assistance device 有权
公开(公告)号：US11173794B2
公开(公告)日：2021-11-16
申请号：US16479682
申请日：2017-01-30
申请人： Nissan Motor Co., Ltd.
发明人： Yukinori Tsukamoto
IPC分类号： H01F27/42 , H01F37/00 , H01F38/00 , B60L53/12 , H02J50/80 , H02J50/90 , H02J50/12 , B60L53/126 , B60L53/66 , B60L53/36 , B60L53/39 , H01F38/14
摘要： The parking assistance method includes: measuring a first received voltage generated in a receiving coil; and assisting alignment between coils by presenting to a vehicle occupant a result of having determined whether or not power can be supplied on the basis of a potential difference previously obtained and the first received voltage. The previously obtained potential difference is a potential difference between a second received voltage of the receiving coil measured when the alignment between the coils is executed before assisting the alignment between the coils, and a third received voltage of the receiving coil measured after the alignment and the power supply are completed.

4. 发明申请

US20210197686A1 DEFROSTING METHOD FOR POWER TRANSMISSION DEVICE, WIRELESS POWER SUPPLY SYSTEM, AND POWER TRANSMISSION DEVICE 有权
公开(公告)号：US20210197686A1
公开(公告)日：2021-07-01
申请号：US17058336
申请日：2018-05-28
申请人： NISSAN MOTOR CO., LTD.
发明人： Michio OZAKI
IPC分类号： B60L53/39 , B60L53/12 , H02J50/12 , H02J50/90 , H02J50/80 , H05B6/10
摘要： A power transmission device includes a movable part which comes up and down with respect to the ground, and an elevating mechanism which moves the movable part up and down. A defrosting method for a power transmission device measures a temperature of the power transmission device, and compares the measured temperature with a threshold preliminarily set for determining a freeze of the power transmission device so as to determine whether the power transmission device is frozen. The defrosting method for a power transmission device excites a power transmission coil when determining that the power transmission device is frozen.

5. 发明授权

US11034254B2 Underbody charging of vehicle batteries 有权
公开(公告)号：US11034254B2
公开(公告)日：2021-06-15
申请号：US15837820
申请日：2017-12-11
申请人： Zoox, Inc.
发明人： Bryan Emrys Booth , Moritz Boecker , Kyle Matthew Foley , Robert Alan Ng , Da Liu , Timothy David Kentley-Klay
IPC分类号： G05D1/00 , G05D3/00 , G06F7/00 , G06F17/00 , B60L53/35 , B60L53/14 , B60L53/12 , B60L53/36 , B60L53/60 , B60L53/62 , B60L58/12 , B60L58/22 , H02J7/00 , B60L53/37 , B60L53/31 , B60L53/66 , B60L53/16 , B60L53/39
摘要： A system for charging one or more batteries of a vehicle may include a charging box mounted to a vehicle to facilitate connection to a charge coupler from under the vehicle. The charge coupler may be configured to provide an electrical connection between an electrical power source and the charging box. A vehicle including the charging box may maneuver to a position above the charge coupler, after which electrical contacts of the charging box and the charge coupler may be brought into contact with one another. The charge coupler and/or the charging box may be configured to provide electrical communication between the electrical power source and the one or more batteries, so that the electrical power source may charge one or more of the batteries. Thereafter, the electrical contacts may be separated from one another, and the vehicle may maneuver away from the charge coupler.

6. 发明授权

US11005295B2 Non-contact power feeding device 有权
公开(公告)号：US11005295B2
公开(公告)日：2021-05-11
申请号：US15753204
申请日：2015-09-18
申请人： FUJI CORPORATION
发明人： Takeshi Nomura , Shinji Takikawa , Masayuki Oki
IPC分类号： H02J50/12 , B60M7/00 , B60L5/00 , B60L5/36 , H01F38/14 , B60L53/12 , B60L53/39 , B60L9/00 , H02J50/40 , H02J50/90 , B60L5/42 , H05K13/04 , B65G54/02
摘要： A non-contact power feeding device includes multiple power feeding elements that are disposed spatially separated from one another in a movement direction, an AC power supply that supplies AC power to the power feeding elements, multiple power receiving elements that are provided in a moving body and that receive AC power in a non-contact manner, and a power receiving circuit that converts the AC power received by the power receiving elements and that outputs to an electrical load. When a length of the power feeding elements in the movement direction is LT, a separation distance between the power feeding elements is DT, a length of the power receiving elements in the movement direction is LR, and a separation distance between the power receiving elements is DR, the relationship DT≤DR and the relationship (2×LR+DR)≤LT are satisfied.

7. 发明申请

US20200094700A1 SYSTEM AND METHOD FOR CHARGING ELECTRIC VEHICLES 审中-公开
公开(公告)号：US20200094700A1
公开(公告)日：2020-03-26
申请号：US16494895
申请日：2018-03-22
申请人： The University of Hong Kong
发明人： Shu Yuen Ron Hui
IPC分类号： B60L53/39 , B60L53/60 , H02J50/90 , H02J50/70 , H02J50/10 , H02J7/02
摘要： The present invention provides a method for charging an electric vehicle. The method includes two steps. The first step is to move at least one of a transmitter coil of a charger and a receiver coil arranged at an upper end of a chassis of an electric vehicle relative to the other. The second step is to align the transmitter coil with the receiver coil such that the transmitter coil is arranged above and proximal to the receiver coil. The present invention also provides an electric vehicle arranged to be charged by the above method, a method for manufacturing such electric vehicle, and a charger or charging station that is arranged to charge electric vehicles using the above method.

8. 发明申请

US20200055417A1 POSITIONING UNIT AND METHOD FOR CONTACTING 审中-公开
公开(公告)号：US20200055417A1
公开(公告)日：2020-02-20
申请号：US16462756
申请日：2017-11-01
申请人： SCHUNK BAHN- UND INDUSTRIETECHNIK GMBH
发明人： ALEXANDER PACHLER
IPC分类号： B60L53/37 , B60L53/16 , B60L53/31 , B60L53/39 , B60L5/42 , B60L5/28 , B25J9/04
摘要： The invention relates to a positioning unit and to a method for forming an electrically conductive connection between a stationary charging station and a vehicle, in particular an electric bus or similar, wherein an electrical charging contact of the positioning unit can be moved relative to a charging contact surface and contacted with same by means of the positioning unit, wherein the positioning unit has an articulated arm device and a drive device for driving the articulated arm device, wherein the charging contact can be positioned between a contact position for power transmission and a retracted position for power interruption by means of the articulated arm device, wherein the drive device has an adjustment drive for forming an adjustment force acting on the articulated arm device, wherein the drive device has a control device by means of which the adjustment drive can be actuated, wherein the drive device has a sensor device by means of which the charging contact surface can be detected, wherein the sensor device is coupled with the control device, wherein a speed of the charging contact during movement of the charging contact from the retracted position into the contact position can be controlled by the control device in accordance with a relative distance between the charging contact and the charging contact surface.

9. 发明授权

US10476303B2 Power supply and pickup system capable of maintaining stability of transmission efficiency despite changes in resonant frequency 有权
公开(公告)号：US10476303B2
公开(公告)日：2019-11-12
申请号：US16247766
申请日：2019-01-15
申请人： KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
发明人： Dong Ho Cho , Joung Ho Kim , Yang Bae Chun , Eun-Jung Kim , Ji-Yun Ryu , Mi-Joo Kim , Ii-Song Han , Seung-Young Ahn , Gyeng-Chul Kim , Gu Ho Jeong
IPC分类号： B60L53/12 , H02J50/10 , H02J7/02 , H01F38/14 , B60L9/28 , H01F27/36 , B60M7/00 , H02J5/00 , B60L50/51 , H02J50/12 , H02J50/70 , B60L53/36 , B60L53/39 , H02J50/40
摘要： The present invention relates to a power supply and pickup system capable of maintaining stability of transmission efficiency despite changes in a resonant frequency. More particularly, the present invention relates to a power supply and pickup system capable of maintaining the stability of efficiency of transmitting power to a pickup device from a power supply device even when a voltage or current changes by the variation in a resonant frequency. According to the power supply and pickup system of the present invention, Q-factor of a power supply and pickup system is set to a low value, a stability of efficiency of transmitting power to a pickup device from a power supply device is maintained even when a voltage of current changes by the variation in a resonant frequency.

10. 发明授权

US10427549B2 Aligning and matching system and method for wireless charging of automobile 有权
公开(公告)号：US10427549B2
公开(公告)日：2019-10-01
申请号：US16003715
申请日：2018-06-08
申请人： Xiamen Newyea Science And Technology Co., Ltd.
发明人： Ruicong Yang , Guijiang Lin , Jianping Liao , Yushan Liu , Binxu Shen , Fengbing Yang , Lianfeng Ren
IPC分类号： B60L53/39 , H02J50/10 , H02J50/90 , H02J7/02 , B60L53/37 , B60L53/126
摘要： A wireless charging receiver which includes a wireless receiving panel provided with a receiving coil, and an aligning detection module including a first magnetic sensor chip array and a first solenoid set, is disposed on the lower portion of an electric automobile. A wireless charging transmitter comprises a wireless transmitting panel provided with a transmitting coil, a matching detection module including a photosensitive chip array, a second magnetic sensor chip array and a second solenoid set, and a driving device used for driving the wireless transmitting panel to move, is disposed on the ground of a parking area. Magnetic sensor chips of the first magnetic sensor chip array and solenoids of the first solenoid set are disposed around the receiving coil. The wireless charging transmitter. The wireless transmitting panel is disposed on the driving device and is driven by the driving device to be moved and aligned.

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