Fireplace heat exchanger unit

Details Fireplace heat exchanger unit Fireplace heat exchanger unit

1978-11-13

1980-11-04

Shoap, Allan N.

Stoves and furnaces

Liquid heater

126135, 126139, F24B 704

Patent

active

042313490

ABSTRACT:
A fireplace heat exchanger unit including a forward section disposed outside of the fireplace and a rearward section disposed within the fireplace. The forward section provides upper air inlet openings for admitting cool air into an air inlet chamber and a pair of lower air outlet openings having electric blowers for discharging warmed air from air outlet chambers housing electric blowers. The rearward section is generally U-shaped and provides a duct connection between the inlet and outlet chambers. It is disposed about the heat source and the duct connection provides air heating chambers to warm the air during passage from the inlet to the outlet chambers.

REFERENCES:
patent: 394042 (1888-12-01), Wheeler
patent: 438319 (1890-10-01), Libbey
patent: 737382 (1903-08-01), Frederick
patent: 1740996 (1929-12-01), Mur
patent: 2131763 (1938-10-01), Sroat
patent: 2134935 (1938-11-01), Winnett
patent: 2396535 (1946-03-01), Rumery
patent: 2703566 (1955-03-01), Fosel et al.
patent: 3159157 (1964-12-01), Ponto
patent: 3995611 (1976-12-01), Nelson

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