Directional valves with thermo-electric operators

Details Directional valves with thermo-electric operators Directional valves with thermo-electric operators

1976-08-27

1978-09-19

Michalsky, Gerald A.

Fluid handling

Systems

Supply and exhaust

13762526, 13762565, 251 11, F15B 13044

Patent

active

041146450

ABSTRACT:
Simple 2-way, 3-way and 4-way poppet valves employ thermo-electric operators in lieu of solenoid operators to shift poppet stem inside valve housing for a position change when operator is electrically energized thereby producing heat which creates high internal operator pressure by a working fluid housed therein to enable exerting a force over its movable end in contact with valve stem causing the shift of the stem and the subsequent valve operation wherein disconnecting the electric power to the operator results in the elimination of the end thrust to the stem end operator exerted allowing for stem to assume the desired position.

REFERENCES:
patent: 1875513 (1932-09-01), Smith
patent: 2548708 (1951-04-01), Dickey
patent: 3706325 (1972-12-01), Pauliukonis
patent: 3768517 (1973-10-01), Pauliukonis
patent: 3824898 (1974-07-01), Pauliukonis

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