Pump driven by air pressure

Pumps – Motor driven – Fluid motor

Patent

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Details

F04B 1700

Patent

active

053283392

ABSTRACT:
A pump driven by air pressure comprising an air cylinder, a piston in the cylinder to move up and down, an upper cylinder cap and a lower cylinder cap, a connector combined with a tubular projection of the upper cap for gas to flow through an interior of the connector, a valve base connected with a tubular projection of the lower cap, the piston moving up and down to move a tubular rod for changing gas flowing route and then forcing the piston to move in a reversed direction for pumping in liquid.

REFERENCES:
patent: 2012839 (1935-08-01), Turner
patent: 2935953 (1960-05-01), Coberly
patent: 5173036 (1992-12-01), Fladby

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