Vane pump and vane pump manufacturing method |
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| 申请号 | US15123029 | 申请日 | 2015-03-04 | 公开(公告)号 | US09995301B2 | 公开(公告)日 | 2018-06-12 |
| 申请人 | KYB Corporation; | 发明人 | Masamichi Sugihara; Tomoyuki Fujita; Tomoyuki Nakagawa; Tsutomu Komiya; | ||||
| 摘要 | A vane pump includes a rotor; a plurality of vanes; a cam ring; and a pump body having an accommodating concave portion accommodating the cam ring. The cam ring includes a ring fitting portions formed in a plurality of regions on an outer circumference and a ring small-diameter portions formed on the outer circumference so as to have an outer diameter smaller than those of the ring fitting portions. The accommodating concave portion has a body fitting portion to which the ring fitting portions is fitted and a body large-diameter portions formed on the inner circumference in a plurality of regions so as to have an inner diameter lager than that of the body fitting portions. | ||||||
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| 说明书全文 | |||||||
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