公开(公告)号：US11549509B2

公开(公告)日：2023-01-10

申请号：US16514069

申请日：2019-07-17

申请人： HYUNDAI MOTOR COMPANY ,  KIA MOTORS CORPORATION

发明人： Sung Wook Jang ,  Kihyup Kim ,  Woo Jung Kim ,  June Ho Lee ,  Jin Seung Lim ,  Seungwan Noh ,  Youngho Moon ,  Taegeun Kim ,  Jaeyeol Yun ,  Jungwook Lee ,  Chulwan Park ,  Chi Hun Cho ,  Gyu Chull Doh ,  Kyoo Ho Lee ,  Hyun Chul Kim ,  Joung Chul Kim ,  Hyun Duk Chang ,  Jin Hee Lee ,  Yongho Jung ,  Chang Yeon Cho ,  Yun Seok Sung ,  Hyeonjin Kim ,  Joo Hang Lee

IPC分类号： F04C15/00 ,  F04C2/08 ,  F04C13/00

摘要： An electric hydraulic pump for a transmission includes: a motor including a motor cover, a motor case coupled with the motor cover, and a stator and a rotor disposed within the motor cover and the motor case; and a pump including a pump case forming a pump chamber, and a gear rotor which is disposed within the pump chamber, connected with the rotor through a motor shaft and receives rotational power of the motor. In particular, a plurality of oil circulation holes are formed in the motor cover and a connecting hole is formed in the motor cover corresponding to the pump case, and an oil flow channel is formed within the pump case for connecting the connecting hole and an oil inlet of the pump chamber.