Valves and valve actuation – Heat or buoyancy motor actuated
Patent
1975-08-22
1976-09-07
Rosenthal, Arnold
Valves and valve actuation
Heat or buoyancy motor actuated
236 68R, F16K 3102
Patent
active
039791025
ABSTRACT:
An electrofluid converter converts electrical energy into fluid energy by ntrolling the linear expansion of a wire that is used as a fluid control valve. Thermal linear expansion of the wire is brought about by passing an electric current through the wire thereby increasing or decreasing the portion of the wire within the fluid flow path. The converter can be used in applications that require converting electrical proportional or digital signals into corresponding fluid signals. The converter signal may be used to control fluid amplifiers or other fluid sensors.
REFERENCES:
patent: 2749934 (1956-06-01), Nester
patent: 3005896 (1961-10-01), Whinery
patent: 3239189 (1966-03-01), Ray
patent: 3270756 (1966-09-01), Dryden
Rodgers Aubrey
Widner Rayburn K.
Bush Freddie M.
Edelberg Nathan
Gibson Robert P.
Rosenthal Arnold
The United States of America as represented by the Secretary of
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