Acoustic panel liner for an engine nacelle
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United States of America Patent
Stats
-
May 10, 2016
Grant Date -
N/A
app pub date -
Jun 5, 2014
filing date -
Jun 5, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An acoustic panel liner includes a face sheet, back plate, and liner core positioned therebetween, which may be used in an engine nacelle. Elongated chambers contain variable amounts of septa at a calibrated depth or depths. The septa may have varying DC flow resistance. The chambers may have a hexagonal or other polygonal cross sections. The septa, such as mesh caps, may be bonded to an inner wall of a corresponding chamber. The insertion depths may be the same or different. If different, the pattern of distribution of the depths may be randomized.
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International Classification(s)
- 2014 Application Filing Year
- B64D Class
- 1366 Applications Filed
- 1081 Patents Issued To-Date
- 79.14 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 16 Citation Count
- B64D Class
- 81.96 % this patent is cited more than
- 9 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Nov 10, 2027 |