Solid fuel warm air furnace
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United States of America Patent
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-
Aug 21, 1984
Issued Date -
N/A
app pub date -
Feb 14, 1983
filing date -
Jun 4, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A solid fuel furnace which includes a housing enclosing a firebox and a heat exchanger chamber. An open grate in the firebox supports solid fuel thereon. Combustion air is admitted to the area below the grate and is preheated and passes upwardly through the grate and fuel and mixes with volatile gases released from the fuel. The air/gas mixture is drawn downwardly through the fuel and exits the firebox through an inlet to an insulated burn-out chamber which is behind the firebox. A metal screen covers the inlet and serves to ignite the air/gas mixture. Hot flue gases exit the burn-out chamber to the heat exchanger chamber.
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