Fluid cam assembly

Details Fluid cam assembly Fluid cam assembly

1976-04-02

1977-08-23

Geoghegan, Edgar W.

Power plants

Pressure fluid source and motor

Cyclically operable reciprocating or oscillating motor or...

60477, 60486, 91420, F15B 1309

Patent

active

040431223

ABSTRACT:
Apparatus for imparting reciprocating motion to a double-acting hydraulic piston and cylinder motor assembly. Hydraulic fluid is supplied through pressure lines alternately to opposite ends of the cylinder by two pumps. The pumps are operated so that one is on its pressure stroke while the other is on its suction stroke. The valving is such that fluid flowing out of the cylinder is discharged to an unpressured reservoir and fluid flowing into the pumps on their suction strokes is drawn from the same reservoir.

REFERENCES:
patent: 2328980 (1943-09-01), Herman et al.
patent: 2573943 (1951-11-01), Ziskal
patent: 2938347 (1960-05-01), Sturgis

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