公开(公告)号：US20240132049A1

公开(公告)日：2024-04-25

申请号：US18400486

申请日：2023-12-29

Applicant: DENSO CORPORATION

Inventor： Syuya KAMIZONO ,  Akira Sakamoto ,  Yuichi Handa ,  Masaki Amakawa ,  Keisuke Kawai

IPC: B60W20/15 ,  F02N11/08 ,  H02P23/04

CPC classification number: B60W20/15 ,  F02N11/0859 ,  H02P23/04 ,  B60W2710/083 ,  F02N2200/042 ,  F02N2250/00

Abstract: A control apparatus for a rotating electric machine is provided. The rotating electric machine includes a moving portion that applies torque to a drive shaft of an internal combustion engine. The control apparatus acquires a rotational frequency signal that is a signal that changes depending on a rotational frequency of the moving portion per unit time. The control apparatus calculates a damping torque that is applied from the moving portion to the drive shaft to suppress vibration during operation of the internal combustion engine. The control apparatus calculates the damping torque based on the rotational frequency signal acquired by the signal acquiring unit in response to the rotating electric machine performing cranking of the internal combustion engine.

公开(公告)号：US20240120805A1

公开(公告)日：2024-04-11

申请号：US18389883

申请日：2023-12-20

Applicant: DENSO CORPORATION

Inventor： Masaki AMAKAWA ,  Yuichi HANDA ,  Keisuke KAWAI ,  Syuya KAMIZONO ,  Akira SAKAMOTO

IPC: H02K9/19 ,  H02K1/16 ,  H02K1/2791

CPC classification number: H02K9/19 ,  H02K1/16 ,  H02K1/2791

Abstract: A rotating electrical machine includes a stator equipped with a stator winding, a rotor arranged to face the stator, a housing in which the stator and the rotor are disposed, and a coolant supply unit. The coolant supply unit is located vertically above the stator and the rotor in the housing in a condition where the rotating electrical machine is mounted in place. The coolant supply unit works to deliver liquid coolant into the housing. A coolant guide is provided to direct the coolant, as supplied from the coolant supply unit, into an air gap between the stator and the rotor in the housing.

公开(公告)号：US20240003291A1

公开(公告)日：2024-01-04

申请号：US18368258

申请日：2023-09-14

Applicant: DENSO CORPORATION

Inventor： Akira SAKAMOTO ,  Keisuke KAWAI ,  Yuichi HANDA ,  Syuya KAMIZONO

IPC: F02B63/04 ,  H02K1/18 ,  H02K1/28 ,  H02K7/18 ,  H02K21/22

CPC classification number: F02B63/042 ,  H02K1/187 ,  H02K1/28 ,  H02K7/1815 ,  H02K21/222 ,  F16D3/12

Abstract: In a motor-generator configured to use no flywheel connection to an internal combustion engine, an inner stator is provided. An outer rotor is arranged to surround the inner stator. The outer rotor is connected to the internal combustion engine without a flywheel and is configured to reduce noise due to at least one of torque ripples of the internal combustion engine and rotational fluctuations of the motor-generator.

公开(公告)号：US20240227776A9

公开(公告)日：2024-07-11

申请号：US18400486

申请日：2023-12-29

Applicant: DENSO CORPORATION

Inventor： Syuya KAMIZONO ,  Akira Sakamoto ,  Yuichi Handa ,  Masaki Amakawa ,  Keisuke Kawai

IPC: B60W20/15 ,  F02N11/08 ,  H02P23/04

CPC classification number: B60W20/15 ,  F02N11/0859 ,  H02P23/04 ,  B60W2710/083 ,  F02N2200/042 ,  F02N2250/00

Abstract: A control apparatus for a rotating electric machine is provided. The rotating electric machine includes a moving portion that applies torque to a drive shaft of an internal combustion engine. The control apparatus acquires a rotational frequency signal that is a signal that changes depending on a rotational frequency of the moving portion per unit time. The control apparatus calculates a damping torque that is applied from the moving portion to the drive shaft to suppress vibration during operation of the internal combustion engine. The control apparatus calculates the damping torque based on the rotational frequency signal acquired by the signal acquiring unit in response to the rotating electric machine performing cranking of the internal combustion engine.

公开(公告)号：US20230366361A1

公开(公告)日：2023-11-16

申请号：US18226551

申请日：2023-07-26

Applicant: DENSO CORPORATION

Inventor： Akira SAKAMOTO ,  Keisuke KAWAI ,  Yuichi HANDA ,  Syuya KAMIZONO

IPC: F02D45/00

CPC classification number: F02D45/00 ,  F02D2250/24 ,  F02D2250/22 ,  F02D2200/1004

Abstract: A control apparatus for a motor generator that is connected to an internal combustion engine. The control apparatus estimates an estimated torque pulsation that is an estimation value of torque pulsation of the internal combustion engine. The control apparatus controls the motor generator to reduce generated power and suppress decrease in a rotation speed of the internal combustion engine, when a negative torque that obstructs rotation of the internal combustion engine is generated in the estimated torque pulsation of the internal combustion engine.