发明名称 |
Internal gear type rotary pump having a relief groove |
摘要 |
Along a peripheral wall surface of a pump housing at a closure portion where a working fluid in a volume chamber defined by engagement of an inner rotor and an outer rotor, is enclosed, a liquid pressure is relieved by the liquid pressure relieving groove for relieving a liquid pressure of the working fluid from the volume chamber to a sliding gap along an outer peripheral surface of the outer rotor.
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申请公布号 |
US5711660(A) |
申请公布日期 |
1998.01.27 |
申请号 |
US19960670818 |
申请日期 |
1996.06.25 |
申请人 |
JATCO CORPORATION |
发明人 |
MITARAI, MUTSUMI;KOBAYASHI, ATSUSHI |
分类号 |
F04C2/08;F04C2/10;(IPC1-7):F04C2/10 |
主分类号 |
F04C2/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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