Stoves and furnaces – Stoves – Heating
Patent
1991-10-30
1992-08-11
Favors, Edward G.
Stoves and furnaces
Stoves
Heating
110297, 110302, 110214, 126 15R, 126146, 126163R, F24C 114
Patent
active
051370093
ABSTRACT:
The invention relates to a combustion device for wood or coal comprising a front wall with a fuel charging opening, two side walls, a rear wall, a bottom wall, a top wall, a door for the fuel charging opening, a control element for controlling a fresh-air inlet opening, an inner dividing wall which divides the interior of the device into a pre-combustion chamber and a post-combustion chamber, and a passage opening between the two chambers and a grating at the bottom of the pre-combustion chamber and a flue gas discharge opening; the dividing wall is horizontally disposed and a shaft pipe surrounded by an annular chamber which is in communication with the fresh-air inlet opening is inserted sealingly into its passage opening; the grating is placed on its upper end. The shaft pipe tapers in its cross-section downwardly, the annular chamber is disposed between the outer side of the shaft pipe and the inner side of an outer jacket pipe of the annular chamber and the lower ends of the shaft pipe and of the outer jacket pipe of the annular chamber are connected via a cylindrical or prismatic pipe having air passage openings for the constructionally simple design and optimum combustion conditions.
REFERENCES:
patent: 4290410 (1981-09-01), Traimer
patent: 4383517 (1983-05-01), Gillis et al.
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