Combustion blower shaft leakage relief
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United States of America Patent
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Apr 7, 1998
Grant Date -
N/A
app pub date -
Sep 11, 1996
filing date -
Sep 11, 1996
priority date (Note) -
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Abstract
A method of operating a pre-mix power burner assembly. The method comprises the steps of: using a fan to supply and control combustion; mixing fuel gas and primary air together; introducing the mixture into secondary air in a combustion zone; and relieving pressure on the exterior of the fan near the fan shaft to the interior of the fan.
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