OIL PUMP, ENGINE COVER AND ENGINE COMPRISING THE S

专利名称：OIL PUMP, ENGINE COVER AND ENGINE

COMPRISING THE SAME

发明人：ZHENG, JUNLI,LIU, JING,LI, HAIBIN,LIN,

JINCHEN

申请号：EP13769797申请日：20130328公开号：EP2831487A4公开日：20151202

摘要：An oil pump is provided. The oil pump comprises a shell, a rotor mounting parton the shell, and a rotor mechanism disposed on the rotor mounting part. The shell hasan inlet and an outlet and defines a low-pressure oil chamber and a high-pressure oilchamber therein. A buffer chamber is defined between the low-pressure oil chamber andthe high-pressure oil chamber, and a barrier wall is disposed between the buffer chamberand the low-pressure oil chamber. An engine cover comprising the oil pump and anengine comprising the engine cover are also provided.

申请人：SHENZHEN BYD AUTO R&D COMPANY LIMITED,BYD COMPANY LIMITED

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