Electrically operated proportionate valve

Details Electrically operated proportionate valve Electrically operated proportionate valve

1975-04-21

1976-11-16

Rosenthal, Arnold

Valves and valve actuation

Heat or buoyancy motor actuated

251 7, 251 9, F16K 706, F16K 3102

Patent

active

039919722

ABSTRACT:
A valve assembly having a passage therethrough for passing a fluid. Has a movable member adapted for variably constricting the passage in proportion to an applied voltage. The assembly includes an expansible electrical heater connected to the movable member which keeps the passage constricted. The wire expands upon passage of electric current therethrough to slacken whereupon, a bias means connected to the movable member acts thereupon to open the passage.

REFERENCES:
patent: 2660395 (1953-11-01), Mair et al.
patent: 2674435 (1954-04-01), Angell
patent: 2946489 (1960-07-01), Brucken
patent: 3215396 (1965-11-01), Bergsma
patent: 3335753 (1967-08-01), Kiser

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