Method for repairing at least a portion of an acoustic panel
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 28, 2014
Grant Date -
Nov 7, 2013
app pub date -
Jul 12, 2013
filing date -
Jan 13, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present disclosure relates to a method for repairing a portion of an acoustic panel for a nacelle of an aircraft turbojet engine. The panel includes an acoustic skin in which a plurality of acoustic holes are drilled, a solid skin, and a cellular acoustic structure. The cellular acoustic structure, being arranged between the acoustic skin and the solid skin, has a plurality of cells, each of which has one or more drainage openings arranged in one or more of the walls forming each cell. The method includes a step of: defining a part of the acoustic panel to be cut; forming a cutting area closed by the acoustic skin; injecting a resin through the acoustic holes; positioning a replacement cellular acoustic structure in the cutting area and on the acoustic skin; forming a solid replacement skin on the replacement cellular acoustic structure.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2013 Application Filing Year
- E04B Class
- 979 Applications Filed
- 848 Patents Issued To-Date
- 86.62 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jul 28, 2025 |
