Stoves and furnaces – Hot-air furnaces – Compressed air
Patent
1977-03-17
1978-08-15
Wayner, William E.
Stoves and furnaces
Hot-air furnaces
Compressed air
165DIG2, F24H 3100
Patent
active
041064747
ABSTRACT:
The invention is a heat conserving space heater that includes a heat source for providing a supply of hot gas of which an example is a gas fired unit heater, air passages in the heater with means for drawing air from the space and exhausting it into the space and when passing through the heater being in heat exchange relationship with the hot gas passages in the heater and an auxiliary heat conserving heat exchanger downstream from the hot gas and air passages and having auxiliary hot gas passages and auxiliary air passages in heat exchange relationship with each other and means in the auxiliary heat exchanger for forcing the hot gas in series through the hot gas passages of the unit heater and through the auxiliary hot gas passages and from there to a place of disposal. The heat conserving space heater also includes means for drawing air from the space, through the air passages in the unit heater, through the auxiliary air passages that are in the heat exchange relationship with the auxiliary hot gas passages in the heat conserving heat exchanger and then forcing the thusly heated air back into the space.
REFERENCES:
patent: 2225181 (1940-12-01), Powers
patent: 2470860 (1949-05-01), Parrish
patent: 2751900 (1956-06-01), Modine
patent: 3241544 (1966-03-01), Lohman
patent: 3650262 (1972-03-01), Root et al.
patent: 3981291 (1976-09-01), Smith
patent: 4007726 (1977-02-01), Kenchel
patent: 4034482 (1977-07-01), Briscoe
Hunter Robert L.
Sartain Everett L.
Modine Manufacturing Company
Tapolcai, Jr. William E.
Wayner William E.
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