Method and apparatus for remotely controlling a rotary valve or

Details Method and apparatus for remotely controlling a rotary valve or Method and apparatus for remotely controlling a rotary valve or

1992-04-29

1993-08-03

Rosenthal, Arnold

Valves and valve actuation

Electrically actuated valve

Rotary electric actuator

25112903, 25112904, 137554, F16K 3105

Patent

active

052321983

ABSTRACT:
A rotary actuated valve choke or the like is remotely controlled by motor means fixedly mounted with respect to said valve to rotationally drive a stem thereof. Monitoring means measure the rotation of the motor and/or its associated drive train. The monitoring means convert the rotary motion to a more easily measurable linear motion to measure the valve setting and appropriately control the energization of the motor in response thereto.

REFERENCES:
patent: 4407326 (1983-10-01), Wilhelm
patent: 4759386 (1988-07-01), Grouw, III
patent: 4798227 (1989-01-01), Goodwin
patent: 4840350 (1989-06-01), Cook
patent: 4926903 (1990-05-01), Kawai

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