Low pressure drop vanes for burners and NO.sub.X ports
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United States of America Patent
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Sep 9, 1997
Issued Date -
N/A
app pub date -
Nov 15, 1996
filing date -
Dec 5, 1994
priority date (Note) -
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Abstract
A vane assembly defining a flow passage for gas moving in a flow direction has at least one spin vane in the flow passage, positionable at an angle with respect to the flow direction. The vane is made of-sheet material and has a leading portion which is perforated. This reduces pressure drop across the vane while still maintaining spin of the gas.
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