Electromechanically-operated valve

Details Electromechanically-operated valve Electromechanically-operated valve

1975-02-13

1976-04-13

Rosenthal, Arnold

Valves and valve actuation

Impact type actuator

251129, 251 634, F16K 3106

Patent

active

039499642

ABSTRACT:
An improved electromechanically-operated valve is provided having a main balanced piston-valve controlling an inlet port, and a cooperable relatively-movable valve-stem piston-assembly electrically actuated by a repulsion coil, for example, or a similar electrically-energizable coil, repelling an anvil, for example, secured to said valve-stem piston-assembly.
Upon reduced voltage, the actuating coil has less energy, and is only able to effect opening movement of the valve-stem piston-assembly, which, upon its opening motion, opens, by valve action, an additional piston-surface area for a high-pressure region fed by a bypassing high-pressure gas-inlet port.

REFERENCES:
patent: 2576578 (1951-11-01), Dalrymple

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