Pump having reciprocating pumping means

Details Pump having reciprocating pumping means Pump having reciprocating pumping means

1975-10-06

1977-05-03

Croyle, Carlton R.

Pumps

Motor driven

Fluid motor

417395, F04B 4306

Patent

active

040211649

ABSTRACT:
Pump comprising reciprocating pumping means driven by a periodically varying pressure in a hydraulic or pneumatic driving device. The driving device comprises an ejector supplied with a driving medium causing alternating pressure reductions and increases in a pressure chamber by driving a valve body to and from an initial position, the pressure variations in the pressure chamber acting on the pumping means for reciprocating movement thereof.

REFERENCES:
patent: 2780066 (1957-02-01), Tarry
patent: 3357360 (1967-12-01), Borell
patent: 3460482 (1969-08-01), Jackson
patent: 3514227 (1970-05-01), Rupp

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