发明授权
- 专利标题: Oil pump
- 专利标题(中): 油泵
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申请号: US10974843申请日: 2004-10-28
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公开(公告)号: US07410346B2公开(公告)日: 2008-08-12
- 发明人: Dai Niwata
- 申请人: Dai Niwata
- 申请人地址: JP Tokyo
- 专利权人: Hitachi, Ltd.
- 当前专利权人: Hitachi, Ltd.
- 当前专利权人地址: JP Tokyo
- 代理机构: Foley & Lardner LLP
- 优先权: JP2003-374151 20031104
- 主分类号: F04B49/00
- IPC分类号: F04B49/00 ; F04B17/00
摘要:
An oil pump includes a partition for dividing an outlet port into a first passage section on the upstream side and a second passage section on the downstream side, wherein a discharge passage fluidly communicates with the first passage section, and a relief valve is disposed in the second passage section.
公开/授权文献
- US20050095148A1 Oil pump 公开/授权日:2005-05-05
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