Auxiliary spring assisted valve linkage

Details Auxiliary spring assisted valve linkage Auxiliary spring assisted valve linkage

1978-12-22

1980-11-25

Michalsky, Gerald A.

Valves and valve actuation

Lost motion between actuator and valve

91426, 1375961, 13762569, 192 12C, 251294, F15B 1306

Patent

active

042354153

ABSTRACT:
A pressure biased control valve holding the valve in the actuated position against the force of a return spring operating in connection with a linkage having a separate return spring and a loss motion connection to allow the valve and linkage to operate independently to the return position and assure the pressurized fluid in the valve maintains the valve in the actuating position regardless of pressure changes in the hydraulic system.

REFERENCES:
patent: 3195574 (1965-07-01), Carls
patent: 3722542 (1973-03-01), Matthews et al.
patent: 4017221 (1977-04-01), Dezelan

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