Hot air heater and method of operating same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
N/A
Issued Date -
Jul 15, 2004
app pub date -
Jan 22, 2003
filing date -
Jan 14, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A hot air heater having a burner tube surrounding a combustion area. The combustion gases travel from the burner tube through first and second circumferential and concentric annuluses surrounding the burner tube. Cool ambient air used for heating is blown over the outside surfaces of the annuluses and heat from the combustion gases is transferred to the ambient air used for heating by way of the surfaces of the jackets defining the annuluses.
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