Vent control arrangement for combustion apparatus

Details Vent control arrangement for combustion apparatus Vent control arrangement for combustion apparatus

1979-05-23

1981-06-09

Tapolcai, Jr., William E.

Automatic temperature and humidity regulation

Miscellaneous

Burner controls with automatic cutoff

137628, 236 93R, 236101E, G05D 2308

Patent

active

042720133

ABSTRACT:
Thermally actuated damper for vents or flues of gas-fired heating appliances having bimetallic slotted blades each of which performs both the sensing and the closing function. In the present invention the slots, which are necessary to enable the bimetal blade to flex in the desired direction, are covered, or eliminated, or substantially reduced for a more complete closure of the damper in the closed position.

REFERENCES:
patent: 2437287 (1948-03-01), Woods
patent: 3095147 (1963-06-01), Abrams
patent: 3219141 (1965-11-01), Williamitis
patent: 3228605 (1966-01-01), Diermayer et al.
patent: 3510059 (1970-05-01), Diermayer et al.
patent: 3847066 (1974-11-01), van der Ham
patent: 3895646 (1975-07-01), Howat

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