Valve with electrically operated actuator

Details Valve with electrically operated actuator Valve with electrically operated actuator

1976-01-29

1977-08-23

Rosenthal, Arnold

Valves and valve actuation

Heat or buoyancy motor actuated

236 68R, 60527, F16K 3104

Patent

active

040435326

ABSTRACT:
An electrically operated valve having a valve body in which a valve member is mounted for movement to an open or closed position, an operating assembly being removably mounted on the body and including a heat motor that is offset with respect to the axis of the valve member and that is operable to effect movement of the valve member against the action of a control spring as also mounted in the operating assembly, the heat motor having a thermal switch mounted directly thereon for controlling current to the heating element thereof and thereby protecting the heat motor for increased life thereof.

REFERENCES:
patent: 1643858 (1927-09-01), Sauvage
patent: 3540479 (1970-11-01), Thompson
patent: 3808403 (1974-04-01), Kanaya et al.

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