Furnace

Details Furnace Furnace

1987-08-05

1988-09-20

Favors, Edward G.

Furnaces

Downdraft

Grateless

110165R, 110259, 110315, 110341, F23B 700

Patent

active

047717114

ABSTRACT:
A furnace has a solid fuel hopper above a combustion chamber, an ash outlet below said combustion chamber, a combustion gas outlet at or below the level of the combustion chamber, and an auger in an ash chamber below the ash opening to regulate the size of an ash pile below the combustion chamber and hence control the escape of ash or fuel or non-combustibles through the ash opening. This enables the combustion gas outlet to be covered by hot coals within the combustion chamber so that any combustion gas from the combustion chamber or any pre-combustion zone must pass through a filter of hot coals before reaching the combustion gas outlet.

REFERENCES:
patent: 2506782 (1950-05-01), Fallon
patent: 3289618 (1966-12-01), McGinnis
patent: 4274341 (1981-06-01), Ozaltay
patent: 4321877 (1982-03-01), Schmidt et al.

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