公开(公告)号：US20160084123A1

公开(公告)日：2016-03-24

申请号：US14380056

申请日：2013-03-28

Applicant: Shenzhen Byd Auto R&D Company Limited ,  BYD Company Limited

Inventor： Junli ZHENG ,  Jing LIU ,  Haibin LI ,  Jinchen LIN

IPC: F01M1/02 ,  F04C15/06 ,  F04C2/08 ,  F04C2/10

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: 提供油泵。 油泵包括壳体，壳体上的转子安装部分和设置在转子安装部分上的转子机构。 壳体具有入口和出口，并在其中限定低压油室和高压油室。 在低压油室和高压油室之间限定有缓冲室，在缓冲室和低压油室之间设置阻隔壁。 还提供了包括油泵和包括发动机盖的发动机的发动机盖。