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1. (WO2013143476) OIL PUMP, ENGINE COVER AND ENGINE COMPRISING THE SAME

Pub. No.:    WO/2013/143476    International Application No.:    PCT/CN2013/073354
Publication Date: Fri Oct 04 01:59:59 CEST 2013 International Filing Date: Fri Mar 29 00:59:59 CET 2013
IPC: F01M 1/02
F16N 13/20
Applicants: SHENZHEN BYD AUTO R&D COMPANY LIMITED
BYD COMPANY LIMITED
Inventors: LIU, Jing
ZHENG, Junli
LI, Haibin
LIN, Jinchen
Title: OIL PUMP, ENGINE COVER AND ENGINE COMPRISING THE SAME
Abstract:
An oil pump is provided. The oil pump comprises: a shell (1); a rotor mounting part (11) on the shell (1) and having a rotor supporting structure (111); and a rotor mechanism (2) disposed on the rotor mounting part (11). The shell (1) has an inlet (161) and an outlet (162) and defines a low-pressure oil chamber (12) and a high-pressure oil chamber (13). A partition wall (3) is disposed between the low-pressure oil chamber (12) and the high-pressure oil chamber (13) for partitioning the low-pressure oil chamber (12) and the high-pressure oil chamber (13). An engine cover comprising the oil pump and an engine comprising the engine cover are also provided.