Stoves and furnaces – Stoves – Heating
Patent
1983-11-21
1985-10-08
Yeung, James C.
Stoves and furnaces
Stoves
Heating
126 61, 126 77, 126 80, 126163A, 126123, 110315, F24B 504
Patent
active
045453608
ABSTRACT:
A stove and method for burning solid fuels having an insulated primary combustion chamber, uniform distribution of preheated primary air through upward facing holes in a grate, downward flow of combustion gas through the grate, retention of hot coals in the grate structure, preheated secondary air, individually controlled primary and secondary air flows, insulated vortex combustion chambers for secondary combustion, longitudinally finned tubes as a first stage heat exchanger, plate-fin assembly as a second stage heat exchanger, an induced draft fan to draw the air and combustion gases through the combustion chambers as well as the heat exchangers, and a forced air fan to blow cool room air through the two stage heat exchanger.
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patent: 4360000 (1982-11-01), Down
patent: 4380228 (1983-04-01), Crowley
patent: 4424792 (1984-01-01), Shimek
patent: 4455995 (1984-06-01), Homolik
Smith Richard D.
Van Grouw Samuel J.
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