Wood fuel combustion system

Furnaces – Fuel feeders – Shavings and sawdust

Patent

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Details

110108, 110208, 110210, 110233, 110255, 110268, 110293, F23K 300

Patent

active

045438900

ABSTRACT:
A furnace adapted to burn wood chips and wood particles and including an inner cylinder adapted to be positioned in horizontal relation and including a primary combustion area. A funnel assembly is provided for supporting a quantity of wood particles and for funneling the wood particles into the primary combustion area of the inner cylinder. A second cylinder is also provided, the second cylinder having a length greater than that of the inner cylinder and having one end which surrounds the inner cylinder such that the inner cylinder and the second cylinder define an air space therebetween. The other end of the second cylinder defines a secondary combustion area where the combustion gases from the primary combustion area are mixed with secondary air.

REFERENCES:
patent: 1240749 (1917-09-01), Matthews
patent: 2165802 (1939-07-01), Longtin
patent: 3774555 (1973-11-01), Turner
patent: 4128065 (1978-12-01), Kelly et al.
patent: 4254715 (1981-03-01), LaHaye et al.
patent: 4300456 (1981-11-01), Messersmith
patent: 4366802 (1983-01-01), Goodine
patent: 4414904 (1983-11-01), Foster
patent: 4424755 (1984-01-01), Caffyn et al.
patent: 4463687 (1984-08-01), Zimmerman et al.

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