Device for use with flue dampers

Details Device for use with flue dampers Device for use with flue dampers

1987-02-25

1989-05-30

Tapolcai, William E.

Automatic temperature and humidity regulation

Miscellaneous

Burner controls with automatic cutoff

137523, 251285, 236 495, F24F 1310

Patent

active

048342823

ABSTRACT:
A device is provided for controlling the position of a damper within a flue or stack of a forced air heating or cooling system or a commercial or industrial boiler. The device comprises a damper plate and means to control rotation of the plate within a flue under force supplied by the movement within the flue of air or gases.

REFERENCES:
patent: Re31112 (1982-12-01), Prikkel, III
patent: 2179120 (1939-11-01), Firehammer
patent: 2937697 (1960-05-01), Johnston
patent: 4021187 (1977-05-01), Schulte et al.
patent: 4046318 (1977-09-01), Ripley
patent: 4079884 (1978-03-01), Sherman
patent: 4237855 (1980-12-01), Shea
patent: 4281638 (1981-08-01), Delany
patent: 4383641 (1983-05-01), Shreve
patent: 4394958 (1983-07-01), Whitney et al.
patent: 4399940 (1983-08-01), Stiles
patent: 4413613 (1983-11-01), Dunlap
patent: 4439139 (1984-03-01), Nelson et al.

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