Free piston pump

Details Free piston pump Free piston pump

1981-12-21

1983-10-18

Gluck, Richard E.

Pumps

Motor driven

Relatively movable pumping members driven by relatively...

F04B 1700

Patent

active

044103042

ABSTRACT:
A pumping system which converts a source of gas under pressure to hydraulic fluid under pressure. The system includes three free floating pistons coupled through control valves to the pressurized gas source on one side and through appropriate check valves to hydraulic fluid on the other side. The pistons are reciprocated within respective cylinders by application of the pressurized gas to one side thereof and by application of the return pressure of the hydraulic fluid to the other side thereof. Appropriate porting on the gas side of the pistons sequentially applies the gas under pressure to the three pistons to synchronize reciprocation of them so as to provide a continuous flow of fluid under pressure, upon demand, to a load.

REFERENCES:
patent: 2212667 (1940-08-01), Mayor
patent: 2858767 (1958-11-01), Smith

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