发明授权
- 专利标题： Fluid operated pump
- 专利标题（中）： 流体泵
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申请号： US619407申请日： 1984-06-12
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公开(公告)号： US4705458A公开(公告)日： 1987-11-10
- 发明人: Wilfred St. Laurent , Christos Athanassiu
- 申请人： Wilfred St. Laurent , Christos Athanassiu
- 申请人地址： MA Burlington
- 专利权人： Bellofram Corporation
- 当前专利权人： Bellofram Corporation
- 当前专利权人地址： MA Burlington
- 主分类号： F04B43/02
- IPC分类号： F04B43/02 ; F01L23/00 ; F03C1/03 ; F04B9/115 ; F04B43/073 ; F04B53/10 ; F04B53/14 ; F04B43/06
摘要：
A fluid operated pump comprising a housing including first and second cylinders. First and second pistons are rigidly fixed to each other and situated in their respective cylinders, the cylinders alternately receiving pressurized fluid for operating the pump. The pump includes novel valving means and novel seals.