Modular unloading sequencing switching valve assembly for hydrau

Details Modular unloading sequencing switching valve assembly for hydrau Modular unloading sequencing switching valve assembly for hydrau

1985-04-04

1986-09-02

Gluck, Richard E.

Pumps

With condition responsive pumped fluid control

Plural pump units with individual or relative control

F04B 4908

Patent

active

046093303

ABSTRACT:
An improved unloading and sequencing control valve for a two pump hydraulic system is adapted to be mounted directly onto the bearing carrier of a two section gear pump or at a remote location and connected to the pumps by plumbing and is capable of operating in a flow sensing mode only, a pressure sensing mode only, or a combination flow sensing and pressure sensing mode. The control valve includes a removable adjustable flow sensing orifice and is adapted for remote pressure sensing and remote pressure adjustment as well as multiple selective preset flow sensing pressure to provide any desired unloading or sequencing pressure within limits of pump capacity.

REFERENCES:
patent: 1982711 (1934-12-01), Vickers
patent: 2905191 (1959-09-01), Kaay
patent: 3154921 (1964-11-01), Jank et al.
patent: 3289688 (1966-12-01), Malott

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