发明名称 |
Integrated ratio pump and check valve apparatus |
摘要 |
A pump apparatus is provided which comprises a plurality of displacement pumps each connected to a check valve apparatus. The displacement pumps each comprises a reciprocating piston within a housing having an interior wall spaced apart from the piston. The check valve apparatus comprises two check valves that control fluid flow under pressure exerted by the reciprocating piston from a fluid reservoir to a point of use of the fluid. Pistons of the displacement pumps are driven by a common motor.
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申请公布号 |
US7214039(B2) |
申请公布日期 |
2007.05.08 |
申请号 |
US20040887627 |
申请日期 |
2004.07.12 |
申请人 |
SAPPHIRE ENGINEERING, INC. |
发明人 |
ANGOVE GARRET |
分类号 |
F04B39/10;F16J15/16 |
主分类号 |
F04B39/10 |
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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