Stoves and furnaces – Hot-air furnaces – Compressed air
Patent
1977-08-04
1979-01-23
Wayner, William E.
Stoves and furnaces
Hot-air furnaces
Compressed air
122 4R, 431208, F24H 600
Patent
active
041354877
ABSTRACT:
A heat exchange system is provided having first and second heat exchangers connected to one another. A burner supplies products of combustion to the first heat exchanger. Fluid heated in the first heat exchanger is pumped to the second heat exchanger. A blower forces air over the second heat exchanger to heat the air. An electric heater is provided in heat exchange relationship with the first heat exchanger. The electric heater maintains the temperature of the fluid in the first heat exchanger above the effective dew point of the flue gas in the heat exchanger.
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patent: 2707989 (1955-05-01), Schori
patent: 3302705 (1967-02-01), Witten, Jr.
patent: 3704748 (1972-12-01), Hapgood
patent: 3706303 (1972-12-01), Hapgood
patent: 3734402 (1973-05-01), Morgan
patent: 3800747 (1974-04-01), Hapgood
patent: 3830221 (1974-08-01), Hapgood
patent: 3887325 (1975-06-01), Finger et al.
Amana Refrigeration Inc.
Arnold H. W.
Bartlett M. D.
Pannone J. D.
Tapolcai, Jr. William E.
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