Load responsive valve assemblies

Details Load responsive valve assemblies Load responsive valve assemblies

1977-08-29

1979-02-20

Michalsky, Gerald A.

Power plants

Pressure fluid source and motor

Having condition responsive control in a system of distinct...

60445, 91421, 91436, 91446, 1375961, 13759613, F15B 1308

Patent

active

041399862

ABSTRACT:
A load responsive fluid power multiple load control system using a first type of load responsive direction control valves responding to upstream pressure differential between inlet and load chambers together with a second type of load responsive direction control valves responding to down stream actuator pressure or pressure differential. Load pressure signals are phased by check valve logic system to the output flow control of fixed or variable displacement pump which maintains a constant pressure differential between pump discharge pressure and highest of the load pressures.

REFERENCES:
patent: 3984979 (1976-10-01), Budzich
patent: 4058140 (1977-11-01), Budzich

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