Control signal blocking direction control valve in load-sensing

Details Control signal blocking direction control valve in load-sensing Control signal blocking direction control valve in load-sensing

1987-07-01

1988-12-27

Look, Edward K.

Motors: expansible chamber type

With motive fluid valve

Expanding chamber inlet controlled by contracting chamber...

91446, 1375961, 13759613, F15B 1302, F15B 1308

Patent

active

047932384

ABSTRACT:
A load sensing circuit of a load responsive direction control valve including a device for sensing load pressure signals, identifying those pressure signals as positive or negative and transmitting those identified positive or negative load pressure signals to the throttling compensator controls of the load responsive valve. The load pressure signal identifying circuit responds to the control pressure signals, which determine the desired direction of displacement of the spool of the direction control valve, while those control pressure signals are selectively isolated from the identifying circuit, in response to the direction of spool displacement from its neutral position.

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patent: 4741248 (1988-05-01), Budzich
patent: 4747335 (1988-05-01), Budzich

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