Stoves and furnaces – Hot-air furnaces – Compressed air
Reexamination Certificate
2005-04-19
2005-04-19
Yeung, James C. (Department: 3749)
Stoves and furnaces
Hot-air furnaces
Compressed air
C126S112000, C126S11600A, C431S354000
Reexamination Certificate
active
06880548
ABSTRACT:
A warm air furnace system has a valve for controlling the flow of fuel, and a mixing component for receiving fuel from the valve and mixing the fuel with air to form an air-fuel premix. The warm air furnace system also has a burner assembly for receiving the air-fuel premix from the mixer, and an inducer for pulling the air-fuel premix through the burner assembly. The air-fuel premix drawn from the burner assembly is ignited into a flame by an ignition element. The flame transfers heat to a heat exchanger in communication with and positioned between the burner assembly and the inducer. The heat exchanger, in turn, transfers heat to air being passed over the heat exchanger by a circulation fan. The heated air passed over the heat exchanger then provides heat to a user of the furnace.
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Schultz Michael W.
Strand Rolf L.
Honeywell International , Inc.
Yeung James C.
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