发明名称 |
PNEUMATICALLY OPERATED OIL PUMP WITH A RECIPROCATION SUCTION TUBE |
摘要 |
A pneumatically operated oil pump comprises an outer tube for extending into an oil tank and a sucking tube moveably arranged within the outer tube. The sucking tube includes one-way valve establishing an airtight arrangement with respect to an inner wall of the outer tube. An air operated device is arranged on top of the outer tube and interconnected to the sucking tube located within the outer tube. The device includes an upper operating chamber and a lower operating chamber intercommunicated with an air pipe. The device further includes a movement reciprocally moved within the device when compressed air is introduced into the device so as to move the sucking tube reciprocally.
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申请公布号 |
US2003190240(A1) |
申请公布日期 |
2003.10.09 |
申请号 |
US20020115295 |
申请日期 |
2002.04.03 |
申请人 |
LIAO PO-LIN |
发明人 |
LIAO PO-LIN |
分类号 |
F04B9/127;F04B35/02;(IPC1-7):F04B17/00 |
主分类号 |
F04B9/127 |
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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