Broadband acoustic panels coupled with large secondary cavities to attenuate low frequencies
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United States of America Patent
Stats
-
Aug 15, 2017
Grant Date -
N/A
app pub date -
May 12, 2016
filing date -
May 12, 2016
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A structural panel for an aircraft nacelle may comprise a core between a perforated skin and a septum. A plurality of dividing walls may extend between the septum and a backskin to define a plurality of cavities. Each cavity may be in fluid communication with a plurality of cells in the core through the septum. The cells and the cavities may attenuate noise.
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International Classification(s)
- 2016 Application Filing Year
- F02K Class
- 527 Applications Filed
- 379 Patents Issued To-Date
- 71.92 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 13 Citation Count
- F02K Class
- 87.13 % this patent is cited more than
- 8 Age
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