Wall furnace with side vented draft hood

Details Wall furnace with side vented draft hood Wall furnace with side vented draft hood

1994-02-07

1994-11-29

Price, Carl D.

Stoves and furnaces

Hot-air furnaces

Liquid or gaseous fuel

126116C, 126110R, 126110AA, 126307A, F24H 300, F24H 302, F24H 312

Patent

active

053680120

ABSTRACT:
A wall furnace is disclosed in which a secondary heat exchanger is provided to maximize the heat transfer efficiency of the furnace. The secondary heat exchanger faces the room to be heated but is aligned directly behind the primary heat exchanger. The length of the secondary heat exchanger is shortened as compared to the combined length of the combustion chamber and primary heat exchanger so as to reduce inefficiencies due to reheating of the combustion gases and to promote air flow and heat transfer around the secondary heat exchanger. Thus, this configuration provides for two essentially separate circulation circuits for heat transfer and maximum furnace efficiency. Separate heated air deflectors are also provided for each of these circuits. A side venting draft hood is also disclosed.

REFERENCES:
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patent: 2484292 (1949-10-01), Hermanson
patent: 2556944 (1951-06-01), Rhyner
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patent: 3601118 (1971-08-01), Hein
patent: 4434823 (1984-03-01), Traeger
patent: 4784110 (1988-11-01), Skafte et al.

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