ACOUSTIC DEEP CAVITY CENTERBODY
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United States of America
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Issued Date -
Mar 19, 2020
app pub date -
Sep 14, 2018
filing date -
Sep 14, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
Aspects of the disclosure are directed to a sound-absorbing exhaust center plug for an aircraft gas turbine engine comprising a center plug adapted for attachment within an exhaust nozzle of the engine. The center plug comprises an outer skin, and at least one cavity within the center plug and the at least one cavity extending between a forward bulkhead and an aft bulkhead, where the aft bulkhead is canted inwardly. The outer skin includes a plurality of outer skin openings providing an acoustic pathway through the outer skin and into the at least one cavity.
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