Fireplace damper assembly

Details Fireplace damper assembly Fireplace damper assembly

1986-01-06

1987-03-17

Yeung, James C.

Stoves and furnaces

Stoves

Cooking

98 68, 126288, F23L 1702

Patent

active

046498087

ABSTRACT:
A damper assembly for sealing a vertical fireplace exhaust including a vertical duct having an outlet communicating with the atmosphere for exhaust of fireplace fumes, mounting means mounted on said vertical duct outlet, a damper downstream of said vertical duct outlet operative to block and open said vertical duct outlet and means to open and close said damper. Easily added improvements include a spark screen assembly downstream of said damper and communicating with said vertical duct outlet, electrical actuation of said damper, automatic control of said actuation by temperature and/or smoke detection means, a fan to provide draft assist, and/or a wind protection hood to provide a better draft.

REFERENCES:
patent: 1271333 (1918-07-01), Lind et al.
patent: 1720789 (1929-07-01), Heusser
patent: 1865295 (1932-06-01), Arper
patent: 2171883 (1939-09-01), McDerment
patent: 2295839 (1942-09-01), Gigsby
patent: 3012495 (1961-12-01), Miller
patent: 4554863 (1985-11-01), Dalsin

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