公开(公告)号：US20230344313A1

公开(公告)日：2023-10-26

申请号：US18215719

申请日：2023-06-28

Applicant: BYD COMPANY LIMITED

Inventor： Yubo LIAN ,  Heping LING ,  Zhen ZHAI ,  Linlin ZHAO ,  Linna LIU

IPC: H02K9/193 ,  H02K7/00

CPC classification number: H02K9/193 ,  H02K7/003 ,  H02K7/006 ,  H02K2209/00

Abstract: A motor system includes: a motor including: a motor housing, a stator core, a stator winding, and a rotor core, the stator core mounted in the motor housing, the stator winding wound around the stator core, the rotor core rotatably disposed with respect to the stator core, a rotor flow path formed at least in the rotor core, the rotor flow path configured to transport coolant to the stator winding; and a valve configured to control a flow of the rotor flow path.