发明名称 |
VARIABLE DISPLACEMENT PUMP |
摘要 |
Variable displacement pump including a housing (2) having a pair of end wall surfaces (2b); an annular outer rotor guide (3) swingably disposed between the pair of end wall surfaces (2b); a cylindrical outer rotor (4); an inner rotor (5) provided radially inward of the outer rotor (4) and configured to rotate integrally with a drive shaft at a location eccentric relative to the outer rotor (4); and a plurality of coupling plates (6) coupling the inner rotor (5) and the outer rotor (4). The outer rotor (5) is rotatably fitted into an outer rotor supporting surface (3a) of the outer rotor guide (3). A space between the inner rotor and the outer rotor is partitioned into a plurality of chambers by the plurality of coupling plates (6). A concave portion (30) is formed in the outer rotor supporting surface (3a) such that the concave portion (30) exists over an entire axial range between the both end surfaces (3c) of the outer rotor guide (3). |
申请公布号 |
EP3037663(A1) |
申请公布日期 |
2016.06.29 |
申请号 |
EP20150200623 |
申请日期 |
2015.12.17 |
申请人 |
MAHLE FILTER SYSTEMS JAPAN CORPORATION |
发明人 |
SHINOHARA, TORU |
分类号 |
F04C2/332;F04C2/348;F04C14/22 |
主分类号 |
F04C2/332 |
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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