Flush inlet scoop design for aircraft bleed air system
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United States of America Patent
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Sep 27, 2011
Grant Date -
May 27, 2010
app pub date -
Nov 21, 2008
filing date -
Nov 21, 2008
priority date (Note) -
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Abstract
A bleed air duct that preferably includes an inlet section configured to include a flush scoop and a louver. The louver is located and configured such that in the desired operating flow range of the duct, the fluid entering the flush scoop is disturbed and as a result creates a low pressure region downstream of the louver. The low pressure region substantially eliminates the generation of any pressure pulses and acoustic resonance also known as Helmholtz resonance.
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