Stoves and furnaces – Liquid heater
Patent
1980-08-26
1982-11-30
Yeung, James C.
Stoves and furnaces
Liquid heater
126 61, 126 66, 126 77, 126 88, F24B 700
Patent
active
043611311
ABSTRACT:
A circulating air wood burning heating stove/fireplace combination has a combustion chamber for burning fuel. The combustion chamber is in the form of a shell defined by inner walls of the stove and a rearwardly disposed air outlet manifold. Spaced outer auxiliary back and top walls and the corresponding shell walls form therebetween air passages through which ambient air is recirculated into the room over the manifold. The manifold is provided with a plurality of spaced heat conductive metal strips disposed about its periphery. An air inlet is provided at the bottom of the back air passage and an electric fan or blower is attached to the inlet to force air into the back air passage. This air then passes upwardly in the space between the back walls, over and under the air outlet manifold and past the heat conductive metal strips, through the air passage formed between the top walls which extend across the top of the fire chamber and then exits through an upper grill work provided in the front face of the stove into the space to be heated. Additional heat conductive metal strips may be provided in the top air passage connected directly to the top wall of the fire chamber to extract heat thereof and improve the heat exchange prior to discharge of the heated air into the space to be heated. A baffle is provided in the fire chamber to create turbulence and to provide a torturous path for the combustion products within the fire chamber so as to prevent the combustion gases or products from escaping directly through the inlet openings of the manifold to the flue.
REFERENCES:
patent: 1200201 (1916-10-01), Kreatz
patent: 2362940 (1944-11-01), Skerritt
patent: 4180052 (1979-12-01), Henderson
patent: 4201185 (1980-05-01), Black
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