Fireplace heat exchanger

Details Fireplace heat exchanger Fireplace heat exchanger

1998-01-08

2000-04-11

Jones, Larry

Stoves and furnaces

Fireplaces or accessories

Inlet air supply from outside fireplace room

237 51, 126502, 126522, 126524, F23L 100

Patent

active

060476958

ABSTRACT:
For use with a fireplace, a heat exchanger mounted across the top portion of the fireplace with the heat exchanger comprising a heat exchanger core with four identical extruded core sections connected together around an inner spin chamber for the passage of combustion gases and surrounded by an outer spin chamber for the passage of combustion gases, with each core section having a center core passageway for the passage of room air and the heating of the room air by the heat from the combustion gases being transferred to the room air through the heat exchanger cores, and tortuous passageways between the core sections from the outer spin chamber to the inner spin chamber to increase the area of contact by the hot combustion gases to the core sections and to increase the dwell time of the combustion gases in the core to increase the amount of heat transferred to the combustion gases to the room air in the core sections.

REFERENCES:
patent: 3736961 (1973-06-01), Walsh
patent: 4112914 (1978-09-01), Brown
patent: 4357930 (1982-11-01), Eberhardt
patent: 5572986 (1996-11-01), Eberhardt

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