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公开(公告)号:US20170288506A1
公开(公告)日:2017-10-05
申请号:US15478693
申请日:2017-04-04
Applicant: DENSO CORPORATION
Inventor: Koji ASAGARA , Takeo MAEKAWA , Takashi SATOU , Tomoyuki SHINKAI
CPC classification number: H02K9/19 , H02K7/116 , H02K2205/12
Abstract: A rotating electric machine includes a rotating shaft, a rotor fixed on the rotating shaft, a stator, a housing, a liquid coolant and a flow direction regulating member. The stator is arranged so that a radially inner peripheral surface of the stator radially faces a radially outer peripheral surface of the rotor through an annular gap formed therebetween. The housing covers both axial ends of the stator and rotatably supports the rotating shaft. The liquid coolant is provided in an internal space formed in the housing to flow into at least part of the annular gap formed between the radially inner peripheral surface of the stator and the radially outer peripheral surface of the rotor. The flow direction regulating member axially faces an axial end face of the rotor through an axial gap formed therebetween and regulates the flow direction of the coolant by means of the axial gap.
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公开(公告)号:US20190115865A1
公开(公告)日:2019-04-18
申请号:US16087676
申请日:2017-01-30
Applicant: DENSO CORPORATION
Inventor: Kenji INOKUMA , Takashi SATOU , Tomoyuki SHINKAI
Abstract: A motor control device includes coil temperature detection means, cooling oil temperature detection means, and a control unit. The control unit implements a coil protection torque restriction and a cooling oil protection torque restriction. The control unit makes it easier for the coil protection torque restriction to be preferentially implemented in a low rotation operating region in which a motor operates at a low rotation speed equal to or lower than a predetermined value, and makes it easier for the cooling oil protection torque restriction to be preferentially implemented in a high rotation operating region in which the motor operates at a higher rotation speed than in the low rotation operating region.
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公开(公告)号:US20220258618A1
公开(公告)日:2022-08-18
申请号:US17735376
申请日:2022-05-03
Applicant: DENSO CORPORATION , TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor: Masakatsu SHIGYOH , Takashi SATOU , Takuto SUZUKI , Kensuke UEDA , Yoshitaka FUJITA , Tomohiro YAMASHITA , Masao YANO , Sota UKAI
IPC: B60L15/20 , B60T8/32 , B60W10/06 , B60W10/188
Abstract: The motor control unit reduces the drive braking torque for applying the braking force to the drive wheel by the reverse rotation timing predicted by the reverse rotation prediction unit at the latest, and the friction braking unit increases a friction braking force applied to the drive wheel by the friction braking device so that the friction braking force exceeds the braking force provided by the drive braking torque by the reverse rotation timing predicted by the reverse rotation prediction unit at the latest.
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公开(公告)号:US20200059134A1
公开(公告)日:2020-02-20
申请号:US16664990
申请日:2019-10-28
Applicant: DENSO CORPORATION
Inventor: Tomoyuki SHINKAI , Takashi SATOU , Takeo MAEKAWA
Abstract: A detection part of a temperature detection element is mounted to ends of drawn portions which are further protruded in the axial direction than coil end portions. The detection part and the ends of the drawn portions provided with the detection part are covered with a covering member. The ends of the drawn portions provided with the detection part and covered with the covering member are inserted into a through hole of a wall member which is disposed so as to axially face an axial end face of a stator core. In this case, the detection part is located at a position deeper (on the rear side) than a position of a stator core side opening of the through hole.
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公开(公告)号:US20170294865A1
公开(公告)日:2017-10-12
申请号:US15477503
申请日:2017-04-03
Applicant: DENSO CORPORATION
Inventor: Kenji INOKUMA , Takashi SATOU , Toyoji YAGI , Tomoyuki SHINKAI
CPC classification number: H02P29/60 , B60L15/20 , B60L50/61 , H02P6/12 , H02P29/40 , H02P29/62 , H02P29/66 , Y02T10/6217 , Y02T10/645 , Y02T10/7005 , Y02T10/7077 , Y02T10/72 , Y02T10/7275
Abstract: An apparatus for controlling a motor having a housing in which a stator and a rotor are disposed. The motor is cooled by a cooling oil in the housing. The apparatus includes a control unit configured to control the motor. The control unit has a temperature increase mode for heating the cooling oil with use of heat generated by a resistance of a coil provided in the stator.
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公开(公告)号:US20250074206A9
公开(公告)日:2025-03-06
申请号:US17735376
申请日:2022-05-03
Applicant: DENSO CORPORATION , TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor: Masakatsu SHIGYOH , Takashi SATOU , Takuto SUZUKI , Kensuke UEDA , Yoshitaka FUJITA , Tomohiro YAMASHITA , Masao YANO , Sota UKAI
IPC: B60L15/20 , B60T8/32 , B60W10/06 , B60W10/188
Abstract: The motor control unit reduces the drive braking torque for applying the braking force to the drive wheel by the reverse rotation timing predicted by the reverse rotation prediction unit at the latest, and the friction braking unit increases a friction braking force applied to the drive wheel by the friction braking device so that the friction braking force exceeds the braking force provided by the drive braking torque by the reverse rotation timing predicted by the reverse rotation prediction unit at the latest.
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