Hydraulic control arrangement for at least two hydraulic consume

Details Hydraulic control arrangement for at least two hydraulic consume Hydraulic control arrangement for at least two hydraulic consume

1977-11-15

1979-04-24

Michalsky, Gerald A.

Fluid handling

Systems

Supply and exhaust

91446, F15B 1308

Patent

active

041506901

ABSTRACT:
A hydraulic control arrangement for at least two hydraulic consumers, comprises two pressure compensated multiple position valves, respectively coordinated with the two consumers, and each including a pressure compensating control member which controls a control conduit coordinated with a reversing or unloading valve, which, depending on its position and those of the multiple position valves control flow of pressure fluid from a pump over the multiple position valves to the respective consumer or to a return conduit. This will assure that even during parallel operation of both consumers, the output of the pump will be adjusted to the consumer load in such a manner that energy losses are substantially avoided and control of the two consumers independent from each other is assured.

REFERENCES:
patent: 3722543 (1973-03-01), Tennis
patent: 3989062 (1976-11-01), Tennis

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