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1. 发明授权

US11233432B2 Rotor 有权
公开(公告)号：US11233432B2
公开(公告)日：2022-01-25
申请号：US16702851
申请日：2019-12-04
申请人： HONDA MOTOR CO., LTD.
发明人： Shingo Soma , Yoshihisa Kubota , Tatsuya Ohzu
IPC分类号： H02K1/27 , H02K1/28
摘要： A rotor includes: a rotor core including a rotor shaft hole in which a rotor shaft is fastened, a plurality of magnet insertion holes provided along the circumferential direction, and a hollow hole provided between the rotor shaft hole and the magnet insertion holes in the radial direction; and a plurality of magnetic pole portions constituted by permanent magnets inserted into the magnet insertion holes. The hollow hole includes an intersection of the q-axis of each magnetic pole portion and a virtual circle passing through the innermost diameter portion of the magnet insertion holes around the axis of the rotor core, and the hollow hole is disposed to face the magnet insertion holes of adjacent magnetic pole portions.

2. 发明授权

US10889289B2 Vehicle and control method for vehicle 有权
公开(公告)号：US10889289B2
公开(公告)日：2021-01-12
申请号：US16283370
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： B60W20/00 , B60W10/06 , B60W10/08 , B60W20/40 , B60K6/442
摘要： A vehicle is equipped with a torque sensor configured to detect a torque, and which is disposed on a second transmission path connecting a first rotary electric machine and a first branch point on a first transmission path. When a first switching device is placed in a connected state and a vehicle wheel is driven by an internal combustion engine, a control device causes an inverted phase torque, which is opposite in phase to a detected torque detected by the torque sensor, to be generated in the first rotary electric machine.

3. 发明授权

US11205932B2 Electric rotary machine 有权
公开(公告)号：US11205932B2
公开(公告)日：2021-12-21
申请号：US16657087
申请日：2019-10-18
申请人： HONDA MOTOR CO., LTD.
发明人： Tatsuya Ohzu , Tadashi Yamaguchi
IPC分类号： H02K1/32 , H02K1/27 , H02K1/30
摘要： An electric rotary machine includes a rotor and a stator disposed radially outward of the rotor. The rotor includes a rotor shaft, a rotor core, a plurality of magnetic pole portions, a first end plate, and a second end plate. The first end plate includes a refrigerant discharge hole, a first groove portion communicating with a refrigerant flow path and communicating with a first refrigerant flow path hole, and a second groove portion communicating with the first groove portion and communicating with a refrigerant discharge hole of the first end plate. The second end plate includes a refrigerant discharge hole, and a third groove portion communicating with the first refrigerant flow path hole and communicating with a refrigerant discharge hole of the second end plate.

4. 发明授权

US11196309B2 Rotor core 有权
公开(公告)号：US11196309B2
公开(公告)日：2021-12-07
申请号：US16597321
申请日：2019-10-09
申请人： HONDA MOTOR CO., LTD.
发明人： Tatsuya Ohzu
IPC分类号： H02K1/27 , H02K1/28
摘要： A rotor core includes: a rotor shaft hole; a first hole portion group provided on an outer side of the rotor shaft hole; a shaft holding portion provided between the rotor shaft hole and the first hole portion group; a second hole portion group provided on an outer side of the first hole portion group; a first annular portion provided between the first hole portion group and the second hole portion group; a third hole portion group provided on an outer side of the second hole portion group; a second annular portion provided between the second hole portion group and the third hole portion group; and an electromagnetic portion provided on an outer side of the third hole portion group. A width of the second annular portion is larger than a width of the first annular portion.

5. 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.

6. 发明授权

US11233434B2 Rotor 有权
公开(公告)号：US11233434B2
公开(公告)日：2022-01-25
申请号：US16655888
申请日：2019-10-17
申请人： HONDA MOTOR CO., LTD.
发明人： Tatsuya Ohzu
IPC分类号： H02K1/32 , H02K1/27
摘要： A rotor includes: a rotor core having: a rotor shaft hole; and a plurality of magnet insertion holes; and a plurality of magnetic pole portions. The rotor core includes a plurality of refrigerant flow passage hole portions. A refrigerant flow passage hole portion includes: a first refrigerant flow passage hole located on a virtual line connecting a circumferential center of each magnetic pole portion and a center of the rotor core; and a pair of second refrigerant flow passage holes facing each other across the first refrigerant flow passage hole on both circumferential end portion sides of each magnetic pole portion. The first refrigerant flow passage hole and the pair of second refrigerant flow passage holes include inner radial side apex portions protruding radially inward. Outer peripheral walls of the pair of second refrigerant flow passage holes include outer radial side apex portions protruding radially outward.

7. 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.

8. 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.

9. 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.

10. 发明授权

US11411451B2 Rotor 有权
公开(公告)号：US11411451B2
公开(公告)日：2022-08-09
申请号：US16656906
申请日：2019-10-18
申请人： HONDA MOTOR CO., LTD.
发明人： Shingo Soma , Tatsuya Ohzu
IPC分类号： H02K1/32 , H02K1/27 , H02K1/276
摘要： A rotor includes: a rotor core having: a plurality of magnet insertion holes; and a punched portion; and a plurality of magnetic pole portions. The punched portion is provided so as to pinch a q-axis magnetic path of each magnet pole portion in the radial direction with the plurality of magnet pole portions. The punched portion includes: a first punched hole located on a d-axis of each magnet pole portion; a pair of second punched holes facing each other across the first punched hole in the circumferential direction; and a pair of ribs formed between the first punched hole and the pair of second punched holes. The pair of ribs is provided such that a distance between the pair of ribs is increased from an outer side to an inner side in the radial direction.

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