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11.
公开(公告)号:EP2831487A1
公开(公告)日:2015-02-04
申请号:EP13769797.5
申请日:2013-03-28
Applicant: Shenzhen BYD Auto R&D Company Limited , BYD Company Limited
Inventor: ZHENG, Junli , LIU, Jing , LI, Haibin , LIN, Jinchen
CPC classification number: F01M1/02 , F01M2001/0238 , F01M2001/0284 , F02F2007/0075 , F04C2/084 , F04C2/086 , F04C2/102 , F04C14/26 , F04C15/06 , F04C29/0042 , F04C29/02 , F04C29/025 , F04C29/028 , F04C29/04 , F16N13/20
Abstract: 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.
Abstract translation: 提供一个油泵。 该油泵包括壳体(1),在壳体(1)上的转子安装部件(11)和设置在转子安装部件(11)上的转子机构(2)。 壳体1具有入口161和出口162,并在其中限定低压油室12和高压油室13。 在低压油室(12)与高压油室(13)之间形成缓冲室(14),在缓冲室(14)与低压油 还提供了包括油泵的发动机罩和包括发动机罩的发动机。