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특허 상세정보

Tubular acoustic attenuation piece for an aircraft jet engine air intake

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) G10K-011/00   
미국특허분류(USC) 181/210; 181/214; 181/213; 181/290
출원번호 US-0274967 (2002-10-22)
우선권정보 FR-2002-211183 (2002-09-10)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Stevens, Davis, Miller & Mosher, LLP
인용정보 피인용 횟수 : 21  인용 특허 : 11
초록

Tubular acoustic attenuation piece for an aircraft jet engine air intake.According to the invention, said tubular piece ( 1 ) is made up of shells ( 2 ) with a cellular core ( 5 ) assembled only by external fish plate strips ( 8 ), the facing edges ( 6 ) simply being edge faces of said shells ( 2 ) forming slots ( 9 ) between them.

대표
청구항

1. A tubular acoustic attenuation piece for a jet engine air intake, comprising:at least two shells, each of which forms a longitudinal part of said tubular piece, said at least two shells being connected along longitudinal edges of facing longitudinal marginal areas to form said tubular piece, each of said shells having a wall structure with a permeable internal skin and an impermeable external skin and having a cellular core disposed between said internal and external skins, said longitudinal marginal areas having the same thickness as the rest of said...

이 특허를 인용한 특허 피인용횟수: 21

  1. Chiou, Song; Yu, Jia; Hubert, Claude; Layland, Michael. Acoustic barrel for aircraft engine nacelle including crack and delamination stoppers. USP2010097798285.
  2. Sanicki,Scott; Costa,Mark W.. Acoustic mechanical retainer. USP2007117296656.
  3. Roach, Andrew Michael; Howarth, Graham Frank. Acoustically attenuating sandwich panel constructions. USP2016039290274.
  4. Lumbab, Alex C.; Leisten, Bradley Scott. Aircraft engine nacelle bulkheads and methods of assembling the same. USP2017079708072.
  5. Harrison, Geoffrey E.. Annular acoustic panel. USP2005076920958.
  6. Costa,Mark W.; Brown,Charles W.; Freiler,Chris. Duct liner acoustic splice. USP2007117296655.
  7. Strunk,John. Integrated inlet attachment. USP2009037503425.
  8. Lumbab, Alex C.; Leisten, Bradley Scott. Lipskin for a nacelle and methods of making the same. USP2017059656761.
  9. Durchholz, Anthony J.; Figueroa, Carlos M.; Kluesener, Matthew F.. Method and system for damped acoustic panels. USP2011108028802.
  10. Lumbab, Alex C.; Leisten, Bradley Scott. Methods and apparatus for noise attenuation in an engine nacelle. USP2017039604438.
  11. Ali, Amr; Qiu, Yuan J.. Multi-splice acoustic liner. USP2013128602156.
  12. Lumbab, Alex C.; Lan, Justin Honshune; Leisten, Bradley Scott. Noise attenuating lipskin assembly and methods of assembling the same. USP2018049938852.
  13. Porte, Alain; Lalane, Jacques. Noise reduction assembly for aircraft turbojet. USP2014028650853.
  14. Buge,Michel; Porte,Alain; Poignonec,Jean Marc. Process for making a panel with a protected acoustic damping layer. USP2007087257894.
  15. Chiou, Song; Yu, Jia; Hubert, Claude; Layland, Michael. Reinforcement members for aircraft propulsion system components configured to address delamination of the inner fixed structure. USP2015049016042.
  16. Bogue, William; Ringler, Richard B.. Repair of composite sandwich structures. USP2014028642158.
  17. Douglas, Alan Richard. System for joining acoustic cellular panel sections in edge-to-edge relation. USP2011017866440.
  18. Douglas, Alan Richard. System for joining acoustic cellular panel sections in edge-to-edge relation. USP2011108028797.
  19. Thorel, Christophe; Desjoyeaux, Bertrand; Bouillon, Florent; Moutier, John; Bardin, Stéphane. Unit for an aircraft thruster. USP2015089109509.
  20. Costa, Mark W.; Brown, Charles; Foose, Andrew S.. Zero acoustic splice fan case liner. USP2010097797809.
  21. Costa,Mark W.; Brown,Charles; Foose,Andrew S.. Zero acoustic splice fan case liner. USP2008027328771.