Abstract: An oil pump is provided. The oil pump comprises: a shell; a rotor mounting part on the shell and having a rotor supporting structure; and a rotor mechanism disposed on the rotor mounting part. The shell has an inlet and an outlet and defines a low-pressure oil chamber and a high-pressure oil chamber. A partition wall is disposed between the low-pressure oil chamber and the high-pressure oil chamber for separating the low-pressure oil chamber and the high-pressure oil chamber. An engine cover comprising the oil pump and an engine comprising the engine cover are also provided.
Type:
Grant
Filed:
March 28, 2013
Date of Patent:
January 16, 2018
Assignees:
SHENZHEN BYD AUTO R&D COMPANY LIMTIED, BYD COMPANY LIMITED
Inventors:
Jing Liu, Junli Zheng, Haibin Li, Jinchen Lin