发明名称 |
INTERNAL GEAR PUMP AND INNER ROTOR OF THE PUMP |
摘要 |
It is aimed to increase the discharge rate of an internal gear pump by making it possible to freely adjust the eccentricity e between the inner and outer rotors. Each tooth of the inner rotor includes a tooth bottom 4 defined by hypocycloidal curves, an engaging portion 3 to be brought into engagement with the outer rotor and defined by involute curves, and a tooth top 2 defined by a predetermined curve such as a part of a circle or an oval or an epicycloidal curve. |
申请公布号 |
EP1662144(B1) |
申请公布日期 |
2016.04.27 |
申请号 |
EP20040747104 |
申请日期 |
2004.07.07 |
申请人 |
SUMITOMO ELECTRIC SINTERED ALLOY, LTD. |
发明人 |
OGATA, DAISUKE;INUI, NAOKI;ARINAGA, SHINYA |
分类号 |
F04C2/10;F04C2/08 |
主分类号 |
F04C2/10 |
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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