Stoves and furnaces – Hot-air furnaces – Compressed air
Patent
1983-08-15
1985-06-25
Yeung, James C.
Stoves and furnaces
Hot-air furnaces
Compressed air
126110B, F24H 302
Patent
active
045247544
ABSTRACT:
There is disclosed a heating appliance comprising an enclosed housing, a combustion chamber disposed in said housing, and a heat exchanger unit disposed within the housing upon the combustion chamber and dividing the chamber into a cool air plenum zone and a hot air plenum zone. The heat exchanger comprises a plurality of rows of spaced tubular conduits preferably having spaced heat conducting fins disposed thereon and having inlet ends communicating with the combustion chamber and through which combustion gases pass and outlet ends communicating with an exhaust manifold for conducting effluent combustion gases out of the heating appliance housing. An air intake opening is disposed in the housing adjacent the heat exchanger and the cool air plenum zone to permit movement of air into the cool air plenum zone and into contact with the heat exchangers. A hot air outlet is disposed in the housing adjacent the hot air plenum zone and communicates with the hot air plenum zone for conducting heated air from the heating appliance. It is also disclosed that the heating appliance may be provided with a plurality of heat exchangers and with blowers for moving air from the cool air plenum zone into heat exchange contact with the heat exchanger then into the hot air plenum zone and on to the unit to be heated. Also, the heat exchanger is preferably angularly disposed within the housing.
REFERENCES:
patent: 2465151 (1949-03-01), Dresen
patent: 2568487 (1951-09-01), Carswell
patent: 3009643 (1961-11-01), Dibert
patent: 3120225 (1964-02-01), Stark et al.
patent: 3251406 (1966-05-01), Lauer
patent: 4122999 (1978-10-01), Belcastro et al.
Gordon Edward A.
Yeung James C.
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