Furnaces – Combined – With boiler
Patent
1980-07-22
1982-01-26
Favors, Edward G.
Furnaces
Combined
With boiler
110102, 110186, 110187, 110260, 126111, F23B 700
Patent
active
043122787
ABSTRACT:
A furnace system suitable for independent use and for retrofitting conventional central heating oil furnaces to permit controlled continuous and efficient combustion of fragmented wood type fuels. Wood chips or other fuel fragments are trickle fed into a refractory wood type combustion chamber. For retrofitting an oil furnace the oil burner gun is removed. A flame tube adapter couples the wood type fuel combustion chamber into the oil combustion chamber and heat exchanger plenum of the conventional furnace. The oil burner gun of the retrofitted furnace is used to ignite the wood chips or other fuel fragments during start up. A blower establishes forced draft. The furnace system includes automatic controls for sequencing operation of the elements of the retrofitting furnace system. An independent wood chip furnace system is also described.
REFERENCES:
patent: 2228751 (1941-01-01), Bros
patent: 4027602 (1977-06-01), Mott
patent: 4078541 (1978-03-01), Roycraft
patent: 4130105 (1978-12-01), Melton
patent: 4162686 (1979-06-01), Infield et al.
patent: 4222364 (1980-09-01), Wright
patent: 4263887 (1981-04-01), Dowdan
Huff Edward R.
Riley John G.
Smith Norman
Worcester Dwight C.
Board of Trustees of the University of Maine
Favors Edward G.
Kane, Jr. Daniel H.
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