Air and fuel staged burner
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Feb 3, 2004
Grant Date -
Nov 8, 2001
app pub date -
Dec 15, 2000
filing date -
Dec 16, 1999
priority date (Note) -
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Abstract
A burner (10) for reducing NO.sub.x emissions where supply fuel (16) and supply air (20) are supplied to a combustion tunnel (52) at high and low velocities and secondary air (26) is supplied to a secondary combustion zone (60), wherein products of combustion (59) exiting into the secondary combustion zone (60) from the combustion tunnel (52) are drawn back into the combustion tunnel (52) and back into the secondary air conduit (54).
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