Warm air furnace

Details Warm air furnace Warm air furnace

F - Mech Eng,Light,Heat,Weapons

24

H

257/18, 126/20

F24H 3/02 (2006.01) F24H 3/08 (2006.01)

Patent

CA 1121678

WARM AIR FURNACE ABSTRACT OF THE DISCLOSURE A warm air furnace including a plenum, a blower, a heat exchanger disposed within the plenum and an air distribution chamber. The heat exchanger includes an encasement surrounding a plurality of vertically extending heat exchanger tubes. The tubes are in communication with the plenum and with the air distribution chamber. A fibrous refractory inorganic tubular flame chamber is positioned within the encasement and is partially surrounded by the vertically extending tubes. The tubes are positioned in a generally U-shaped pattern and one of the tubes contacts the flame chamber. The tubes along the sides o-f the pattern are interconnected by upper and lower side baffles. The baffles are vertically spaced from each other to define exhaust outlets. A rear baffle extends between the tubes along the base of the pattern. A flue extends from the encasement for exhaust of combustion gases. -1-

349451

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