公开(公告)号：US20220205529A1

公开(公告)日：2022-06-30

申请号：US17562209

申请日：2021-12-27

Applicant: Nidec Corporation

Inventor： Hibiki TAKADA ,  Kengo TAKAMURA

IPC: F16H57/04 ,  H02K7/116 ,  H02K7/08

Abstract: A drive device includes a motor housing and a transmission housing fixed to one side in an axial direction of the motor housing that includes a first housing and a second housing fixed to another side in the axial direction of the first housing. The transmission housing includes a third housing fixed to the first housing and a fourth housing fixed to one side in the axial direction of the third housing. The first housing includes a first opposing wall axially opposing the transmission housing, and a bearing holding portion on the first opposing wall. The third housing includes a second opposing wall opposing the first opposing wall. The housing includes an oil supply path extending axially through the second opposing wall from the inside of the transmission housing. The oil supply path includes a supply port to supply oil to the bearing.