Systems and methods for reducing noise from jet engine exhaust
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United States of America Patent
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Jul 8, 2014
Grant Date -
Feb 3, 2011
app pub date -
Mar 31, 2009
filing date -
Mar 31, 2008
priority date (Note) -
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Abstract
An aircraft jet engine with a longitudinal axis, including a wall enclosing a gas flow ejected from a downstream end of the wall in the longitudinal axis, plural ducts being distributed around the periphery of the downstream end of the wall each including a terminal section, including an outlet opening. Each duct can eject a fluid jet through the outlet opening thereof. The ducts are configured to eject the fluid jets essentially parallel to each other, each fluid jet ejected through the corresponding outlet opening forming a lateral angle with the longitudinal axis in a projection view in a plane with the longitudinal axis.
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