Stoves and furnaces – Hot-air furnaces – Combined with boiler
Patent
1999-11-03
2000-11-14
Yeung, James C.
Stoves and furnaces
Hot-air furnaces
Combined with boiler
126 67, 126 77, 126 80, 126290, F24D 900
Patent
active
061455008
ABSTRACT:
The heating device has a housing and a liquid containing compartment defined inside the housing. A heating chamber is disposed inside the housing and the compartment. A fire chamber is disposed inside the heating chamber that produces hot combustion gases. A separation channel is defined between an outer wall of the fire chamber and the outer wall of the heating chamber for conveying the air from the first air inlet into the heating chamber. The separation channel also creates an important insulation between the fire chamber and the compartment so that the combustion material in the fire chamber burns at a sufficiently high temperature to prevent the formation of tar accumulations on the inside walls of the various ducts. Also, the separation channel maintains a suitable temperature of the outer wall of the fire chamber to reduce the risk of cracking and to prolong the useful product life of the fire chamber.
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Fasth Rolf
Yeung James C.
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