Hybrid hot air heater
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United States of America Patent
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Mar 14, 2006
Grant Date -
May 27, 2004
app pub date -
Oct 1, 2003
filing date -
Oct 2, 2002
priority date (Note) -
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Abstract
In a hybrid hot air heater according to the present invention, a chassis having first and second outlets 13 on its front face and first and second inlets 12 on its rear face incorporates therein a gas heater unit 2 comprised of a gas burner 20 and a first air-blowing fan 21 and an electric heater unit 3 comprised of an electric heater 33 and a second air-blowing fan 30 in such a manner that the air blowing systems for the respective two heaters may be independent of each other.
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