Load responsive valve assemblies

Details Load responsive valve assemblies Load responsive valve assemblies

1978-04-17

1979-02-20

Schwadron, Martin P.

Fluid handling

Systems

Supply and exhaust

91511, 91420, 91421, 91436, 91446, 1375961, 13759613, F15B 1308

Patent

active

041401522

ABSTRACT:
A load responsive fluid power multiple load control system using load responsive direction and flow control valves in combination with pump control responding to highest system load. Each direction flow control valve is equipped with a load responsive pressure control which automatically regulates valve inlet pressure to maintain a constant low pressure level at the motor exhaust and a load responsive negative load control to control a constant pressure differential at the motor exhaust. The load responsive control of each direction control valve blocks the pump flow to the motor while controlling negative load, providing the motor inlet with fluid from the motor exhaust.

REFERENCES:
patent: RE29538 (1978-02-01), Budzich
patent: 3722543 (1973-03-01), Tennis

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