Single-acting,gas operated pump |
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| 申请号 | EP86102110 | 申请日 | 1986-02-19 | 公开(公告)号 | EP0192246A3 | 公开(公告)日 | 1988-09-28 |
| 申请人 | The Coca-Cola Company; | 发明人 | Credle, William S., Jr.; | ||||
| 摘要 | A single-acting, gas operated, pump method and apparatus including a pump body having a main chamber divided by a reciprocating piston assembly into a gas driving chamber and a liquid pumping chamber, a spring for biasing the piston assembly into one of its two end positions, a reciprocating control valve controlling the flow of driving gas to and from the gas driving chamber, a snap-acting spring mechanically coupling the control valve to the reciprocating movement of the piston assembly, and a counteracting spring for biasing the control valve toward one of its two positions. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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