ACOUSTICALLY-TREATED AIR EJECTION NOZZLE FOR A NACELLE
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United States of America Patent
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Issued Date -
Aug 1, 2024
app pub date -
Apr 5, 2024
filing date -
Oct 5, 2021
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Abstract
An air ejection nozzle for a nacelle includes an outer aerodynamic line and an inner aerodynamic line meeting at a trailing edge. The air ejection nozzle includes at discrete positions at least one area of larger thickness that is compensated by at least one fairing to connect the aerodynamic lines to form the trailing edge. The fairing includes an outer wall and an inner wall delimiting a cavity therebetween. The inner wall provides for the continuity of the inner aerodynamic line, and the outer wall is solid and the inner wall is pierced so that the at least one fairing forms an acoustic attenuation structure.
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