ACOUSTIC PANEL FOR AN AIRCRAFT PROVIDING NOISE ATTENUATION OVER A WIDE FREQUENCY BAND BY COMBINING TWO RESONATORS, AND ACOUSTIC PANEL MANUFACTURING METHOD

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United States of America Patent

APP PUB NO 20230365246A1
SERIAL NO

18311337

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An acoustic panel for an aircraft providing noise attenuation over a wide frequency band by combining two resonators, and acoustic panel manufacturing method. The acoustic panel includes a rear skin, a cellular structure, an intermediate layer including perforations, a cellular structure, a cellular structure and a resistive skin including perforations. The acoustic panel combines quarter-wave resonators with Helmholtz resonators to provide noise attenuation over a wide frequency range.

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Patent Owner(s)

Patent OwnerAddress
AIRBUS OPERATIONS SAS316 ROUTE DE BAYONNE TOULOUSE 31060

International Classification(s)

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  • 2023 Application Filing Year
  • F02K Class
  • 226 Applications Filed
  • 115 Patents Issued To-Date
  • 50.89 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2023202420250255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
GAUTHIER, Maxime TOULOUSE, FR 7 60
TEIGNE, Manuel TOULOUSE, FR 5 0

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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges3136001 - 10020406080100120140160180200220240260280300320340

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