Hydraulic power packs

Details Hydraulic power packs Hydraulic power packs

1978-11-27

1980-08-26

Geoghegan, Edgar W.

Power plants

Pressure fluid source and motor

Having plural energy input means, pumps or diverse pump outlets

60494, 60DIG10, F15B 1309

Patent

active

042188865

ABSTRACT:
A hydraulic power pack having a prime mover driving a plurality of hydraulic pumps, a hydraulic circuit including a reservoir connected to an inlet of said pumps, an outlet circuit from said pumps, one or more pressure relief valves in the outlet circuit and a plurality of external connectors on the outlet circuit. The connectors and the relief valves are arranged so that different hydraulic flow and pressure characteristics may be obtained from each connector. Each connector has a flow and a return line, the latter being connected to the reservoir. Valves provided in the hydraulic circuit are responsive to zero flow in the return line of each connector and are adapted to divert the hydraulic flow directly to the reservoir without restriction.

REFERENCES:
patent: 2329709 (1943-09-01), Fischer
patent: 2643516 (1953-06-01), Carlson
patent: 2659206 (1953-11-01), Carlson
patent: 2938347 (1960-05-01), Sturgis

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