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1. 发明授权

US10797568B2 Motor unit and vehicle 有权
公开(公告)号：US10797568B2
公开(公告)日：2020-10-06
申请号：US16360426
申请日：2019-03-21
申请人： HONDA MOTOR CO., LTD.
发明人： Tatsuya Ohzu , Yutaka Arimura , Daisuke Hoshino , Shingo Soma , Yosuke Tanaka
IPC分类号： H02K11/24 , H02K7/00 , H02K9/19 , H02K21/14 , B60K6/26 , B60K6/48 , B60K1/00 , H01L41/12 , G01L3/10
摘要： A motor unit including a drive motor that includes an output shaft having a hollow portion; a torque sensor arranged within the hollow portion; and a cooling mechanism. The cooling mechanism has one end of a coolant path arranged inside the hollow portion and cools the drive motor and the torque sensor. A vehicle can include the motor unit. The drive motor can act as a traction motor generating traction drive force of the vehicle.

2. 发明授权

US10730508B2 Hybrid vehicle and control method for hybrid vehicle 有权
公开(公告)号：US10730508B2
公开(公告)日：2020-08-04
申请号：US16281844
申请日：2019-02-21
申请人： HONDA MOTOR CO., LTD.
发明人： Daisuke Hoshino , Yutaka Arimura , Tatsuya Ohzu , Shingo Soma , Yosuke Tanaka
IPC分类号： B60W20/40 , B60W20/15 , B60K6/387 , B60K6/442
摘要： A vehicle is equipped with a torque sensor configured to detect a torque, and which is disposed between an internal combustion engine and a first switching device on a first transmission path. When the first switching device is switched from a disconnected state to a connected state, a control device calculates a torque difference between a target torque of the internal combustion engine corresponding to a specified point on the first transmission path, and a detected torque or the like detected by the torque sensor. Further, the control device generates in a first rotary electric machine or a second rotary electric machine a compensation torque that compensates for the torque difference.

3. 发明授权

US10673308B2 Drive motor, electric vehicle, and drive motor control method 审中-公开
公开(公告)号：US10673308B2
公开(公告)日：2020-06-02
申请号：US16285901
申请日：2019-02-26
申请人： HONDA MOTOR CO., LTD.
发明人： Yutaka Arimura , Daisuke Hoshino , Tatsuya Ohzu , Shingo Soma , Yosuke Tanaka
IPC分类号： H02K11/24 , H02K1/28 , H02K7/108 , B60W10/08 , H02K11/21 , H02P23/14 , H02K11/33 , H02K7/116 , H02K7/00 , H02K11/20
摘要： A drive motor in which a torque sensor is arranged on an outer circumference of a shaft, includes a rotor, a rotor shaft arranged inside the rotor, and an output shaft that is joined to the rotor shaft by a spline joint and outputs rotational force of the rotor shaft to the output side. The torque sensor is arranged on an output side of the spline joint in a range not overlapping with the spline joint.

4. 发明授权

US11092503B2 Sensor unit, motor unit, and vehicle 有权
公开(公告)号：US11092503B2
公开(公告)日：2021-08-17
申请号：US16360506
申请日：2019-03-21
申请人： HONDA MOTOR CO., LTD.
发明人： Yutaka Arimura , Daisuke Hoshino , Tatsuya Ohzu , Shingo Soma , Yosuke Tanaka
IPC分类号： G01L3/10 , H01L41/12 , B62D6/10
摘要： A sensor unit includes a shaft having a hollow portion and a torque sensor that is arranged inside the hollow portion and detects torsional torque acting on the shaft from inside the shaft. A motor unit can include the sensor unit and a drive motor. A vehicle can include the motor unit. A drive motor can be a traction motor that generates a traction drive force for the vehicle, for example.

5. 发明授权

US10693330B2 Electric motor 有权
公开(公告)号：US10693330B2
公开(公告)日：2020-06-23
申请号：US15627447
申请日：2017-06-20
申请人： HONDA MOTOR CO., LTD.
发明人： Shingo Soma
IPC分类号： H02K1/14 , H02K1/27 , H02K21/16 , H02K29/03
摘要： An electric motor includes a rotor and a stator core. The rotor has an outer circumferential wall around a rotational axis. The rotor includes a magnet and a groove. The magnet has a magnetic pole center. The groove is provided in the outer circumferential wall to be recessed toward the rotational axis to have a bottom point. An angle between a first virtual line connecting the bottom point of the groove and the rotational axis and a second virtual line connecting the magnetic pole center and the rotational axis viewed along the rotational axis is from 30% to 47% of an electric angle of 90 degrees. The stator core includes an inner circumferential wall. The stator core includes teeth projecting from the inner circumferential wall toward the stator axis. A cross-sectional shape of each teeth includes a first protrusion and a second protrusion.

6. 发明授权

US09502932B2 Rotor with permanent magnet having structure between magnets for reducing flux leakage and demagnetization 有权
标题翻译：具有永磁体的转子，其具有用于减少磁通泄漏和退磁的磁体之间的结构
公开(公告)号：US09502932B2
公开(公告)日：2016-11-22
申请号：US14089756
申请日：2013-11-26
申请人： HONDA MOTOR CO., LTD.
发明人： Yasunori Date , Eiji Shirado , Tomotaka Iki , Shingo Soma
IPC分类号： H02K1/27
CPC分类号： H02K1/2766 , H02K1/272 , H02K1/274 , H02K1/2746 , H02K1/2753 , H02K1/276
摘要： A rotor includes a rotor core and a plurality of magnetic pole parts. The rotor core has a magnet insertion hole. The magnet insertion hole includes a first peripheral edge portion and a second peripheral edge portion spaced away from the first peripheral edge portion in a radial direction of the rotor. The rotor core includes a holding part and a protrusion. The holding part extends along the radial direction from the first peripheral edge portion of the magnet insertion hole. The holding part abuts against a circumferential end portion of each of the plurality of permanent magnet pieces. The protrusion extends toward the second peripheral edge portion of the magnet insertion hole. The protrusion is spaced away in the radial direction from the second peripheral edge portion of the magnet insertion hole.
摘要翻译：转子包括转子铁心和多个磁极部件。转子芯具有磁体插入孔。磁体插入孔包括在转子的径向方向上与第一周缘部分隔开的第一周缘部分和第二周缘部分。转子芯包括保持部和突起。保持部从磁体插入孔的第一周缘部沿径向延伸。保持部与多个永久磁铁片的周向端部抵接。突起朝向磁体插入孔的第二周缘部延伸。突出部沿径向与磁体插入孔的第二周边部分隔开。

7. 发明申请

US20150069874A1 ROTATING ELECTRIC MACHINE ROTOR 有权
标题翻译：旋转电机转子
公开(公告)号：US20150069874A1
公开(公告)日：2015-03-12
申请号：US14391605
申请日：2013-03-15
申请人： HONDA MOTOR CO., LTD.
发明人： Tomotaka Iki , Shingo Soma , Eiji Shirado
IPC分类号： H02K1/27
CPC分类号： H02K1/274 , H02K1/22 , H02K1/2766
摘要： A void group made up of plural voids is formed on an outer circumferential side of a longitudinal end portion of a permanent magnet provided in a rotating electric machine rotor. The void group includes a first void and a second void row where plural second voids are formed at predetermined intervals at a position further radially outwards than the first void. A rib is formed between a pair of adjacent second voids of the second void row. End portions of the first void respectively overlap the pair of adjacent second voids. An imaginary line that extends along the center of the rib passes through at least part of the first void. A magnetic pole center-side end portion of the void group extends from the outer circumferential surface of the permanent magnet towards an outer circumferential surface of a rotor core.
摘要翻译：在设置在旋转电机转子中的永磁体的纵向端部的外周侧上形成由多个空隙构成的空隙组。空隙组包括第一空隙和第二空心排，其中在比第一空隙更径向向外的位置处以预定间隔形成多个第二空隙。在第二空心排的一对相邻的第二空隙之间形成肋。第一空隙的端部分别与该对相邻的第二空隙重叠。沿着肋的中心延伸的虚线穿过第一空隙的至少一部分。空心组的磁极中心侧端部从永磁体的外周面朝向转子铁心的外周面延伸。

8. 发明授权

US11142064B2 Electric vehicle 有权
公开(公告)号：US11142064B2
公开(公告)日：2021-10-12
申请号：US16366001
申请日：2019-03-27
申请人： HONDA MOTOR CO., LTD.
发明人： Tatsuya Ohzu , Yutaka Arimura , Daisuke Hoshino , Shingo Soma , Yosuke Tanaka
IPC分类号： F16H3/091 , F16H57/021 , F16H57/02 , B60K17/04 , B60K17/22
摘要： In an electric vehicle including a motor shaft connected to a drive motor, a counter shaft coupled with the motor shaft, a drive shaft coupled with the counter shaft, a drive wheel coupled with the drive shaft, a plurality of bearings configured to support the counter shaft, and a plurality of gears configured to rotate integrally with the counter shaft, a torque sensor is disposed in a region in which a slope of a bending moment occurring on the counter shaft is minimum at a time that the drive motor is driven.

9. 发明授权

US11097722B2 Electric vehicle 有权
公开(公告)号：US11097722B2
公开(公告)日：2021-08-24
申请号：US16283310
申请日：2019-02-22
申请人： HONDA MOTOR CO., LTD.
发明人： Daisuke Hoshino , Yutaka Arimura , Tatsuya Ohzu , Shingo Soma , Yosuke Tanaka
IPC分类号： B60W20/40 , B60K6/40 , B60W50/00 , B60W10/08 , B60W10/02 , B60K6/387 , B60K6/36
摘要： An electric vehicle includes a second rotating electric machine; a first transmission path configured to transmit force generated by the second rotating electric machine to a wheel; a first clutch that is arranged in the first transmission path and configured to switch between a connected state and a disconnected state between the second rotating electric machine and the wheel; and an ECU configured to control the second rotating electric machine and the first clutch. In the electric vehicle, a torque sensor is arranged between the first clutch and the wheel in the first transmission path.

10. 发明授权

US10507731B2 Electric power system 有权
公开(公告)号：US10507731B2
公开(公告)日：2019-12-17
申请号：US15552895
申请日：2016-02-24
申请人： HONDA MOTOR CO., LTD.
发明人： Yoshinari Tsukada , Hiromichi Imai , Shingo Soma , Hisaya Oiwa
IPC分类号： B60L3/04 , B60L3/00 , H02M7/5387 , H02P27/08
摘要： Provided is an electric power system capable of rapidly slowing an electric motor and quickly discharging a capacitor when an abnormality occurs. If an abnormality detection device detects an abnormality, a control device of an electric power system performs a switching control that alternately switches between an upper arm three-phase short-circuit control that sets all upper arms to a conductive state and sets all lower arms to a non-conductive state, and a lower arm three-phase short-circuit control that sets all upper arms to a non-conductive state and sets all lower arms to a conductive state. When switching between the two short-circuit controls, a conduction overlap period in which the conductive state of said upper arms and the conductive state of said lower arms overlap may be generated.

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