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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0707460 (1985-03-01) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 18 인용 특허 : 0 |
A diaphragm pump with mechanical return stroke assist. The pump includes a flexible diaphragm within a pump housing which is driven by a pressurized fluid during a power stroke and returned to an initial position during a return stroke. The mechanical assist includes a spring and metal rod attached
In a spring assist, air operated diaphragm pump including a pump housing having an inlet and an outlet, a diaphragm mounted in said pump housing for movement through a power stroke and a return stroke as pressurized air is cycled into and out of said housing, the improvement comprising a spring tube
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