Pneumatically operated oil pump
AssigneeLih Yann Co., Ltd.
InventorPo-Lin Liao
Life of this patent
Estimating the term…
Abstract
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.
Claims8
A pneumatically operated oil pump, comprising:
- an outer tube for extending into an oil tank;
- a sucking tube moveably arranged within the outer tube, the sucking tube including a one-way valve establishing an airtight arrangement with respect to an inner wall of the outer tube;
- and
- an air operated device arranged on top of the outer tube and interconnected to the sucking tube located within the outer tube, the device including an upper operating chamber and a lower operating chamber interposed with a cylindrical chamber and intercommunicated with an air pipe, the device further including a movement reciprocally moved within the device when compressed air is introduced into the device so as to move the sucking tube reciprocally thereby pumping out oil from the tank.
Dependencies are inferred from the claim text.