PISTON WITH REPLACEABLE AND/OR ADJUSTABLE SURFACES |
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| 申请号 | EP12820569 | 申请日 | 2012-08-02 | 公开(公告)号 | EP2739854A4 | 公开(公告)日 | 2015-07-22 |
| 申请人 | LOBEPRO INC; | 发明人 | RAMOS ROLANDO NICO M; BLODGETT WILLIAM W; | ||||
| 摘要 | A piston for a pump includes a hub portion defining opposing outer surfaces and concave lateral portions between the opposing outer surfaces. The piston also includes inserts configured to provide a replaceable surface, the inserts being coupled to each of the opposing outer surfaces. A pump includes a housing having an inlet and an outlet, and at least two pistons having a hub portion and inserts. The pump may be a positive-displacement, rotary pump, and the pistons may be circumferential pistons. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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