.~ Remote or follow-up control system for electrical actuator
DEFINITION
Classification: 251/129.04
Remote or follow-up control system for electrical actuator:
(under subclass 129.01) Subject matter wherein an electrical control system is provided for controlling the valve actuator, which control system is either: (a) an electrical system including means interposed between an operator control station which is far removed from the valve actuator or (b) an arrangement such that movement of a control member will result in an equal or proportional movement of a controlled member.
SEE OR SEARCH THIS CLASS, SUBCLASS:
41, for remote control of choked pressure type servo-motor valve actuators.
57, for fluid link type remote actuators for valves, and see the search notes to these subclasses.
SEE OR SEARCH CLASS
318, Electricity: Motive Power Systems,
560+, for electric motor position servomechanism; appropriate subclasses for remotely controlled electric motors.