HOT AIR HEATER
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United States of America Patent
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N/A
Issued Date -
Mar 10, 2011
app pub date -
Sep 7, 2010
filing date -
Sep 8, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A hot air heater has a housing having formed therein an inlet port for sucking room air and an outlet port. A circulation fan, a burner, and a heat exchanger which causes to flow combustion gas from the burner through an inside of the heat exchanger are housed in the housing. The room air sucked by operation of the circulation fan into the inlet port is heated by the heat exchanger for blowing forward as hot air out of the outlet port. A supporting plate is disposed to support the heat exchanger inside the housing. In order to limit the temperature increase in the housing by heat transmission through the supporting plate, and in order to improve the thermal efficiency, the supporting plate is provided with radiating fins. Preferably, the radiating fins are made up of cut-and-raised pieces formed in the supporting plate.
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