Stoves and furnaces – Hot-air furnaces – Combined with boiler
Patent
1985-09-09
1987-02-10
Favors, Edward G.
Stoves and furnaces
Hot-air furnaces
Combined with boiler
122 14, 122 17, 122 20B, 126362, F24D 900
Patent
active
046416315
ABSTRACT:
An apparatus functioning as a high-efficiency water heater. This apparatus passes a combustible mixture of gas and air from an impeller into the hollow interior of a cylindrical gas burner. The combustible mixture flows out through apertures in the cylindrical walls of the gas burner and is burned on a cylindrical flame holder as it emerges; the size of the apertures prevents flash-back of the flames of the combustible mixture into the gas burner. Heat is transferred from the flame to the walls of a cylindrical combustion chamber surrounding the gas burner and the combustion products generated pass to a heat exchanger comprising a vertical riser and a downwardly extending helical section which ensures maximum heat transfer to water in a tank surrounding the combustion chamber and heat exchanger. Hot water is discharged from the tank as needed for domestic uses and to another heat exchanger in an air heating duct.
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Columbia Gas System Service Corporation
Favors Edward G.
Millard Sidney W.
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