Thermostatic gas valve

Details Thermostatic gas valve Thermostatic gas valve

1977-05-31

1979-06-12

Wayner, William E.

Automatic temperature and humidity regulation

Furnace controlled

Furnace controlled responsive to combustion products...

251 96, F16K 3500, F23N 502

Patent

active

041577868

ABSTRACT:
A thermostatic gas valve includes a thermostatic valve for regulating the temperature of a burner and a manually operable valve for regulating the flame height. The operation of the manual and thermostatic valves is controlled by a stem. The valve includes a shaft coupled to the stem that is axially movable from an off position to a first position. In the first position the shaft is rotated to rotate the manual valve. The shaft may then be axially moved to a second position and rotated to rotate the thermostatic valve to the desired position. The shaft is locked in a first non-rotatable position and prevented from being axially moved by a locking element.

REFERENCES:
patent: 2194714 (1940-05-01), Mueller
patent: 2680383 (1954-06-01), Lahti
patent: 2849891 (1958-09-01), Mills
patent: 2972262 (1961-02-01), Kunzler
patent: 3010693 (1961-11-01), Lamar
patent: 3011720 (1961-12-01), Ives
patent: 3071341 (1963-01-01), Wantz et al.
patent: 3764102 (1973-10-01), Shopsky
patent: 3979103 (1976-09-01), Branson et al.

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