Downdraft furnace

Details Downdraft furnace Downdraft furnace

1977-09-29

1980-01-08

O'Dea, William F.

Stoves and furnaces

Stoves

Heating

126 77, 110315, F24B 504

Patent

active

041823044

ABSTRACT:
The disclosure is of a downdraft furnace fired by solid, carbonaceous fuels such as wood logs, coal and the like. The furnace is adapted for burning the fuel in three stages, to obtain complete combustion. The advantage of the furnace of the invention resides in its heating efficiency with few pollutants released into the atmosphere.

REFERENCES:
patent: 596028 (1897-12-01), Girtanner et al.
patent: 1254777 (1918-11-01), Colegrove
patent: 1341580 (1920-05-01), Pelton
patent: 2433036 (1947-12-01), Fellows
patent: 2469639 (1949-05-01), Franklin
patent: 2607335 (1952-08-01), Harding
patent: 2807992 (1957-10-01), Ehman

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