Multiple port multiple temperature thermally responsive valve

Details Multiple port multiple temperature thermally responsive valve Multiple port multiple temperature thermally responsive valve

1975-01-10

1976-06-08

Wayner, William E.

Automatic temperature and humidity regulation

Thermostatic

Expanding solid

123117A, 123119A, 13762546, 236 87, G05D 2308

Patent

active

039617491

ABSTRACT:
A thermally responsive valve assembly comprises a plurality of fluid ports in which typically two are connected to vacuum sources, one to vent and another two to control functions. The switching of the control functions from vacuum to vent and back again is controlled by a bimetallic coil which rotates and, in turn, causes a switch disc to rotate thereby changing the passage route between the ports from vacuum to vent or visa versa.

REFERENCES:
patent: 2739614 (1956-03-01), Kreske
patent: 3747630 (1973-07-01), Hurrell
patent: 3796232 (1974-03-01), Dalton
patent: 3837360 (1974-09-01), Bubula

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