Actuator control system

Details Actuator control system Actuator control system

1975-04-03

1977-07-19

Cohen, Irwin C.

Motors: expansible chamber type

Working member moved by stored motive fluid charge

60403, 60413, 91 29, 91420, 91433, 91442, F15B 13042, F15B 2100

Patent

active

040361063

ABSTRACT:
A control system for controlling the operation of a valve actuator. The system includes a control valve for conveying operating fluid to the actuator in response to an actuator control signal. A single conduit operably connected to the actuator control valve both supplies operating fluid to the control valve and conveys an actuator control signal to the control valve.

REFERENCES:
patent: 2900960 (1959-08-01), Gratzmuller
patent: 2943604 (1960-07-01), Chubb
patent: 3142315 (1964-07-01), Hennells, Sr.
patent: 3181000 (1965-04-01), Siegel et al.
patent: 3225544 (1965-12-01), Lemly
patent: 3330531 (1967-07-01), Slator et al.
patent: 3680311 (1972-08-01), Harbonn et al.
patent: 3776101 (1973-12-01), Nussbaumer
patent: 3780623 (1973-12-01), Hohlein
patent: 3850082 (1974-11-01), Nussbaumer
patent: 3918349 (1975-11-01), Nussbaumer

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