Solenoid valve

Details Solenoid valve Solenoid valve

1989-09-15

1990-11-13

Cohan, Alan

Fluid handling

Systems

Multi-way valve unit

137 85, F15B 13044

Patent

active

049694871

ABSTRACT:
A solenoid valve is provided which is so constructed that reaction chambers are formed on both sides of a spool. Into the reaction chambers is introduced the loading pressure of an actuator to accomplish the balance between the pressing force of proportional solenoids and the reaction force of the reaction chambers, resulting in a control pressure applied to a cylinder being automatically adjusted depending on the loading pressure of the actuator.

REFERENCES:
patent: 4056126 (1977-11-01), Hauser
patent: 4396037 (1983-08-01), Wilcox
patent: 4478250 (1984-10-01), Lukasczyk
patent: 4615358 (1986-10-01), Hammond
patent: 4643225 (1987-02-01), Imkoff

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