Furnace having water vapor-condensing secondary heat exchanger

Details Furnace having water vapor-condensing secondary heat exchanger Furnace having water vapor-condensing secondary heat exchanger

1984-01-05

1984-10-23

O'Connor, Daniel J.

Stoves and furnaces

Hot-air furnaces

Air baffles

126110AA, 165178, F24H 300

Patent

active

044782063

ABSTRACT:
A compact secondary heat exchanger, installed above the preliminary heat exchanger in a down draft-type gas burning furnace, so greatly reduces combustion gas temperature as to recover a portion of the latent heat in the water vapor created by burning the hydrocarbon gas.

REFERENCES:
patent: 2916032 (1959-12-01), Kitchen
patent: 3627038 (1971-12-01), Wilkins
patent: 3656470 (1972-04-01), Goodgion
patent: 3902473 (1975-09-01), Yeagle
patent: 4044820 (1977-08-01), Nobles
patent: 4164210 (1979-08-01), Hollowell
patent: 4194488 (1980-03-01), Bellaff
patent: 4241874 (1980-12-01), Schossow
patent: 4256082 (1981-03-01), Scholten
patent: 4351276 (1982-08-01), Kremer
patent: 4409955 (1983-10-01), Christian

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