Actuator control device

Details Actuator control device Actuator control device

2006-11-07

2006-11-07

Jacyna, J. Casimer (Department: 3751)

Valves and valve actuation

Electrically actuated valve

Including solenoid

Reexamination Certificate

active

07131631

ABSTRACT:
A valve actuator control device adapted to control the position of a valve actuator by means of solenoid valves, in which if the actuator position deviates from a desired position, but remains within a predetermined distance from said desired position, the control device is adapted to only return the actuator to the desired position after a delay period, thereby to increase the life span of said solenoid valves.

REFERENCES:
patent: 3731176 (1973-05-01), Mitchell et al.
patent: 4450753 (1984-05-01), Basrai et al.
patent: 2002/0005501 (2002-01-01), Hilaire
patent: 0 040 075 (1981-11-01), None

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