Compensated fluid flow control valve

Details Compensated fluid flow control valve Compensated fluid flow control valve

1986-07-21

1987-07-14

Michalsky, Gerald A.

Motors: expansible chamber type

With motive fluid valve

Contracting chamber exhaust valve controlled by expanding...

91446, 1375961, 13759613, F15B 1308

Patent

active

046794921

ABSTRACT:
A compensated direction flow control valve assembly for control of fluid flow to and from a fluid motor, which may be of a cylinder type and is subjected to positive and negative loads. During control of negative load, the negative load compensating control varies the level of the pressure differential across a metering orifice, positioned at the outlet of the fluid motor, in response to pressure at the inlet of the fluid motor, while maintaining this pressure differential constant at each specific level. The pressure differential across a metering orifice, positioned at the inlet of the fluid motor, is maintained at a constant preselected level by the positive load compensator control assembly.

REFERENCES:
patent: 3744517 (1973-07-01), Budzich
patent: 4222409 (1980-09-01), Budzich
patent: 4487018 (1984-12-01), Budzich

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