Solenoid operated hydraulic valve

Details Solenoid operated hydraulic valve Solenoid operated hydraulic valve

1994-04-12

1995-11-07

Lorence, Richard M.

192 clutches and power-stop control

Clutches

Operators

137468, 91419, 60329, F16D 2512

Patent

active

054640857

ABSTRACT:
A solenoid operated hydraulic valve for supplying a regulated hydraulic pressure to a load in dependence upon an electrical demand signal applied to the valve. The valve is operable to sense the temperature of the hydraulic fluid flowing through the valve and to determine the current applied to the valve solenoid in dependence upon both the demand signal from a sensor and the sensed temperature such that the regulated pressure supplied to the load is dependent only on the demand signal and is substantially independent of the temperature of the hydraulic fluid.

REFERENCES:
patent: 3530958 (1970-09-01), Brannon et al.
patent: 3738609 (1973-06-01), Dirigard
patent: 4037697 (1977-07-01), Prenzel
patent: 4678069 (1987-07-01), Yoshimura et al.
patent: 4796739 (1989-01-01), Jonner et al.
patent: 4813443 (1989-03-01), Pounder
patent: 5023789 (1991-06-01), Lampe et al.
patent: 5083648 (1993-01-01), Bulgrien

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