Stoves and furnaces – Dampers – Stove
Patent
1980-04-02
1985-01-22
Yeung, James C.
Stoves and furnaces
Dampers
Stove
126287, 126193, 126 77, 110203, 422177, F23V 1500, F23L 1100
Patent
active
044945256
ABSTRACT:
This stove is divided by a partition into a lower, combustion chamber, and an upper chamber which communicates directly with an exhaust opening in the stove. A catalytic converter is removably mounted in an opening in the partition. A by-pass damper, which is connected to the stove door, is normally held closed over a by-pass opening in the wall of the lower chamber, when the door to the stove is closed, whereby all combustion gases from the lower chamber must pass upwardly through the converter and the secondary chamber to the exhaust opening. When the stove door is opened, the by-pass damper tilts by gravity into an open position so that combustion gases from the lower chamber pass directly to the exhaust opening rather through the upper chamber, and rather than being accidentally discharged out of the open door. The converter causes all by-products of combustion to be subjected to a secondary combustion in the converter before passing to the exhaust opening. A fan blows air under pressure into a space formed between the stove and a surrounding heat shield thereby to distribute more heat, and to prevent overheating of the walls of the stove. Primary combustion air is admitted by a damper to the bottom of the stove, and secondary air is admitted through an opening in the stove door around the edges of two glass panes which are mounted in the door.
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Corning Glass Works
Wardell R. N.
Yeung James C.
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