Morgan, Lewis & Bockius LLP
Oil pump, engine cover and engine comprising the same
An oil pump is provided. The oil pump comprises a shell, a rotor mounting part on the shell, 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 therein. A buffer chamber is defined between the low-pressure oil chamber and the high-pressure oil chamber, and a barrier wall is disposed between the buffer chamber and the low-pressure oil chamber. An engine cover comprising the oil pump and an engine comprising the engine cover are also provided.
BYD COMPANY LIMITED SHENZHEN BYD AUTO R&D COMPANY LIMITED
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Jing Junli Haibin Jinchen
Liu Zheng Li Lin