THRUST REVERSER FAN RAMP WITH NOISE SUPPRESSION
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United States of America Patent
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Issued Date -
Apr 23, 2015
app pub date -
Oct 22, 2013
filing date -
Oct 22, 2013
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status (Latency Note)
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Abstract
A fan ramp for use in a thrust reverser portion of a nacelle is disclosed. The nacelle is included in a propulsion system. The fan ramp extends circumferentially about an axial fan ramp centerline. The fan ramp includes a forward edge, an aft edge, and a noise suppression feature. The forward edge is disposed proximate an aft end of a fan case. The fan case at least partially surrounds a fan section of a gas turbine engine. The aft edge is disposed proximate a forward end of an array of cascades. The array of cascades is operable to permit a bypass airstream to pass there through during a thrust reversing operation. The noise suppression feature is operable to suppress noise within the propulsion system.
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