Stoves and furnaces – Stoves – Heating
Patent
1985-12-02
1987-05-19
Bennet, Henry A.
Stoves and furnaces
Stoves
Heating
237 55, 237 52, F24C 114
Patent
active
046658904
ABSTRACT:
A heating system designed to extract more than the usual amount of heat from a given amount of fuel by controlling the route of smoke from a firebox through a smoke duct over a tortuous path and exposing the walls of the smoke duct to ambient air, thereby increasing the efficiency of the heating system.
REFERENCES:
patent: 4320738 (1982-03-01), Johnson
Bennet Henry A.
Schappert Leonard D.
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