Load responsive valve assemblies

Details Load responsive valve assemblies Load responsive valve assemblies

1976-07-27

1978-10-31

Michalsky, Gerald A.

Power plants

Pressure fluid source and motor

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

60445, 91518, 91421, 91436, 91446, 1375961, 13759613, F15B 1308

Patent

active

041226771

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 single load responsive controller which automatically regulates fluid flow into and out of the fluid motor to maintain a constant pressure in front of a variable flow controlling orifice, during the control of both positive and negative loads. The load responsive controller 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: 3722543 (1973-03-01), Tennis
patent: 3744517 (1973-07-01), Budzich
patent: 3807447 (1974-04-01), Masuda
patent: 3984979 (1976-10-01), Budzich
patent: 4020867 (1977-05-01), Sumiyoshi
patent: 4058140 (1977-11-01), Budzich

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