Acoustic treatment structure for an aircraft propulsion unit nacelle
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United States of America Patent
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Nov 29, 2022
Grant Date -
Oct 29, 2020
app pub date -
Jul 6, 2020
filing date -
Jan 5, 2018
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Abstract
A structure for the nacelle of an aircraft propulsion unit includes a first skin and stiffeners arranged to hold acoustic treatment modules against the first skin. Each acoustic treatment module includes a honeycomb core and a second skin, such that the honeycomb core is sandwiched between the first skin and the second skin. Such a structure allows the structural reinforcement function provided by the stiffeners to be separated from the acoustic treatment function performed by the acoustic treatment modules which are simply bearing on the first skin.
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