Quadraplex fluid pump

Details Quadraplex fluid pump Quadraplex fluid pump

1982-08-20

1984-09-11

Gluck, Richard E.

Pumps

Motor driven

Relatively movable pumping members driven by relatively...

417346, F04B 1700

Patent

active

044707711

ABSTRACT:
A quadraplex pumping unit for use as a mud pump, an intensifier, or as a pump for abrasive fluids or the like includes four rams and four ram operating pistons. A control valve arrangement provides for pressure equalization and energy transfer from a cylinder which has just extended in a working stroke to a companion cylinder which has just returned to its retracted to rest position, to conserve energy and reduce the thermal burden on the hydraulic system. The valve arrangement further provides for prepressurization, after pressure equalization, prior to an extending stroke.

REFERENCES:
patent: 2463552 (1949-03-01), Newhall
patent: 2819835 (1958-01-01), Newhall
patent: 3011444 (1961-12-01), Hobson
patent: 3077838 (1963-02-01), Maglott
patent: 3201031 (1965-08-01), Maglott
patent: 3234882 (1966-02-01), Douglas et al.
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patent: 3650638 (1972-03-01), Cole
patent: 3773438 (1973-11-01), Hall et al.
patent: 3847511 (1974-11-01), Cole
patent: 3967542 (1976-07-01), Hall et al.
patent: 3981622 (1976-09-01), Hall et al.
patent: 3994627 (1976-11-01), Calzolari

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