Regenerative Air Heater And Method of Operation
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United States of America Patent
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Issued Date -
Aug 1, 2013
app pub date -
Aug 7, 2012
filing date -
Aug 9, 2011
priority date (Note) -
Abandoned
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Abstract
A flow of air is provided from a hot air main into a combustion chamber at a time when a burner is firing into the combustion chamber to heat a bed of regenerative media. The flow of air into the combustion chamber helps to keep products of combustion from flowing into the hot air main. In preferred embodiments, sensors sense pressure in the combustion chamber and the hot air main. A controller shifts a valve back and forth within a range of open conditions to regulate the flow of air in response to the sensed pressures.
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