Sealed gas control valve

Details Sealed gas control valve Sealed gas control valve

1987-07-29

1988-09-27

Green, Randall L.

Combustion

Timer, programmer, retarder or condition responsive control

Sensor of first burner controls second burner, e.g., pilot...

431119, 126116A, F23Q 908, F23D 512

Patent

active

047738480

ABSTRACT:
A gas burning furnace is disclosed with a sealed and vented gas control valve. Sealing the gas control valve in an enclosure shields the control valve from the external environment. By venting the enclosure to the furnace pilot light, any gas leaking from the gas control valve into the enclosure is conducted to and ignited by the pilot light in a deliberate controlled manner, thereby precluding an explosion in the enclosure. Other safety features disclosed include an overheat shut-off, pilot light extinguished shut-off and blower malfunction shut-off.

REFERENCES:
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patent: 3027889 (1962-04-01), Krassz
patent: 3126941 (1964-03-01), Mohr et al.
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patent: 3269450 (1966-08-01), Licata et al.
patent: 3423021 (1969-01-01), Berquist
patent: 4188180 (1980-02-01), Hamelihk
patent: 4205972 (1980-06-01), Vna et al.
patent: 4287909 (1981-09-01), Tomper et al.
patent: 4543974 (1985-10-01), Dietiher et al.

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