公开(公告)号：US11424651B2

公开(公告)日：2022-08-23

申请号：US16637530

申请日：2018-09-03

申请人： AISIN CORPORATION ,  AISIN SEIKI KABUSHIKI KAISHA

发明人： Masayuki Ikemoto ,  Takefumi Komaki ,  Tsuyoshi Miyaji ,  Takamasa Takeuchi ,  Teppei Tsuda

IPC分类号： H02K1/32 ,  H02K1/27 ,  H02K1/276

摘要： A rotor that includes a shaft; a rotor core that is attached to the shaft and that is configured of a plurality of electric steel plates that are stacked; and a permanent magnet that is embedded in the rotor core, wherein: a coolant supply port that supplies a coolant to the rotor core is provided in the shaft, and at least two electric steel plates of the plurality of electric steel plates each include a first portion that has a first thickness in a rotational axis direction and a second portion that has a second thickness in the rotational axis direction, which is thinner than the first portion, the second portion extending in a radial direction and configuring a flow path through which the coolant supplied from the coolant supply port of the shaft flows.

公开(公告)号：US11264878B2

公开(公告)日：2022-03-01

申请号：US16342132

申请日：2017-11-22

申请人： AISIN CORPORATION ,  AISIN SEIKI KABUSHIKI KAISHA

发明人： Masayuki Ikemoto ,  Teppei Tsuda ,  Masafumi Sakuma

IPC分类号： H02K29/03 ,  H02K1/27 ,  H02K15/02 ,  H02K1/276 ,  H02K1/22

摘要： A rotor for a rotary electric machine, wherein: magnet insertion holes are formed, each defined by the plurality of through holes communicating with each other in the axial direction across the plurality of magnetic sheets; and each of the permanent magnets is twisted about the center axis so as to be placed into a corresponding one of the magnet insertion holes, each having opposite ends in the axial direction that are shifted from each other by an angle corresponding to the constant angle, from outside in the axial direction.

公开(公告)号：US11296583B2

公开(公告)日：2022-04-05

申请号：US16490255

申请日：2018-02-13

申请人： AISIN CORPORATION

发明人： Masayuki Ikemoto

IPC分类号： H02K15/02 ,  B23K26/21 ,  B23K15/00 ,  H02K1/17 ,  H02K1/276

摘要： A core manufacturing that includes stacking a plurality of electromagnetic steel plates in an axial direction; performing first welding on an inner surface of a through hole formed in a stack of the electromagnetic steel plates and continuous in the axial direction, the first welding being performed toward a first side in the axial direction which is one side in the axial direction; and performing second welding on the inner surface of the through hole, the second welding being performed toward a second side in the axial direction which is the other side in the axial direction.