Stoves and furnaces – Hot-air furnaces – Compressed air
Patent
1986-10-23
1988-04-26
Bennet, Henry A.
Stoves and furnaces
Hot-air furnaces
Compressed air
126116R, 237 53, F24H 308
Patent
active
047397462
ABSTRACT:
Heat transfer structure for transferring heat from products of combustion to air to be conditioned in a furnace. The heat transfer structure includes an inlet portion receiving hot products of combustion from a burner and extending generally transversely to the direction of the flow of air to be conditioned by heat transfer association therewith. The heat transfer structure further includes at least three successive legs extending generally parallel to the direction of air flow. In one form, the transverse leg is disposed at the inlet portion of the air flow passages, and in a modified form, the transverse leg is disposed remotely therefrom. In the illustrated embodiments, the air moving structure is disposed in a lowermost portion of the cabinet, with the transverse inlet leg of the heat exchanger being selectively disposed lowermost or uppermost to define the two selective arrangements.
REFERENCES:
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patent: 2276400 (1942-03-01), Hubbard
patent: 2391028 (1945-12-01), Miles
patent: 2715399 (1955-08-01), Witt et al.
patent: 3661140 (1972-05-01), Raleigh
patent: 4256082 (1981-03-01), Scholten et al.
patent: 4298061 (1981-11-01), Hoeffken
patent: 4467780 (1984-08-01), Ripka
Bennet Henry A.
Heil-Quaker Home Systems, Inc.
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