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특허 상세정보

Noise reduction nacelle

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B64D-033/02   
미국특허분류(USC) 244/1N ; 244/53B ; 181/222 ; 181/292
출원번호 US-0911994 (1986-09-26)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 30  인용 특허 : 0
초록

A noise reduction nacelle for a jet engine having an inlet duct, a center body and at least one exit duct and which includes a composite sandwich panel positioned in the inlet duct, the center body and the at least one exit duct. The panel includes an inner face sheet, a honey comb core and an outer face sheet wherein the inner face sheet and the outer face sheet are connected to the inner and outer surfaces, of the core. A plurality of perforations are provided in the inner face sheet of a predetermined density and wherein each of the perforations is of...

대표
청구항

A noise reduction nacelle for a jet engine, having an inlet duct, a center body and at least one exit duct, comprising: a composite sandwich panel positioned in said inlet duct, said center body and said at least one exit duct for absorbing high frequency harmonics produced by high speed air flow and for dampening noise generated by said engine wherein said panel consists of an inner face sheet, a honey comb core, an outer face sheet and an adhesive sheet positioned between at least one of said inner and outer face sheets and said honey comb core wherein...

이 특허를 인용한 특허 피인용횟수: 30

  1. Sternberger, Joe E.. Acoustic treated thrust reverser bullnose fairing assembly. USP2003056557799.
  2. Porte Alain,FRX. Air intake structure for aircraft engine. USP2001126328258.
  3. Shutrump, Jeffrey D.. Aircraft engine inlet having zone of deformation. USP2010057721525.
  4. Shutrump, Jeffrey D.. Aircraft engine inlet having zone of deformation. USP2013058438857.
  5. Gantie, Fabrice; Porte, Alain. Aircraft leading edge. USP2014058733688.
  6. Harrison, Geoffrey E.. Annular acoustic panel. USP2005076920958.
  7. Vauchel, Guy Bernard; Ruckert, Guillaume. Assembly of components connected by a device that maintains the integrity of the surface of one of the components. USP2014098840059.
  8. Batey J. Gary. Core flow expansion chamber device system for reduction of jet turbine engine noise. USP1998065758488.
  9. Ramage, Denis; Barbarit, Didier. Device for drilling an acoustic component, cassette, acoustic drilling method and method of manufacturing an acoustic component. USP20190110189095.
  10. Welch John M. ; Benton William E. ; Lobsinger Michael R.. Engine nacelle outer cowl panel with integral track fairings. USP2000106129311.
  11. Arcas Noe ; Hutto Frederick M. ; Parente Charles A.. Extended reaction acoustic liner for jet engines and the like. USP2000106135238.
  12. Olsen,Ronald F.; Breer,Marlin D.. Flow restrictors for aircraft inlet acoustic treatments, and associated systems and methods. USP2008027331421.
  13. Webb Lee F. (Russells Point OH). Hush kit for jet engine. USP1997015592813.
  14. Vrljes, Ljubisa; Cheung, Kin-Leung; Poulin, Mathieu; Haddock, Michael. Inner bypass duct. USP2018039919500.
  15. Benedetti, Brenda; Farrell, Robert S.; Leon, Luis R.; Lan, Justin H.; Booker, Garry A.. Metallic sandwich structure having small bend radius. USP2015109168716.
  16. Breer, Marlin D.; Olsen, Ronald F.; Kunze, Jr., Robert K.; Riedel, Brian L.. Method and apparatus for aircraft inlet ice protection. USP2004026688558.
  17. Marlin D. Breer ; Ronald F. Olsen ; Robert K. Kunze, Jr. ; Brian L. Riedel. Method and apparatus for aircraft inlet ice protection. USP2002046371411.
  18. Marlin D. Breer ; Ronald F. Olsen ; Robert K. Kunze, Jr. ; Brian L. Riedel. Method and apparatus for aircraft inlet ice protection. USP2002106457676.
  19. Hilbert Gary R. ; Pearson David D. ; Crawley Edward F.. Method and apparatus for damping vibration in turbomachine components. USP2001106299410.
  20. Shah, Anil D.; Gupta, Alankar. Method and apparatus for detecting conditions conducive to ice formation. USP2009127628359.
  21. Shah,Anil D.; Gupta,Alankar. Method and apparatus for detecting conditions conducive to ice formation. USP2007027175136.
  22. Friddell,Stephen D.; Prichard,Alan K.. Method and apparatus for liquid containment, such as for aircraft fuel vessels. USP2006087090167.
  23. Atassi, Oliver V.. Nacelle with porous surfaces. USP2015038974177.
  24. Anderson Robert Elon ; Parente Charles A.. One-piece engine inlet acoustic barrel. USP1998065768778.
  25. Porte, Alain. Process for de-icing by forced circulation of a fluid, an air intake cowling of a reaction motor and device for practicing the same. USP2004036698691.
  26. Dean, Thomas Andrew. Repair of acoustically treated structures. USP2014048696843.
  27. Vavalle, Armando. Seamless acoustic liner. USP2016039273631.
  28. Snyder Stephen J. (West Hills CA). Sound attenuating laminate for jet aircraft engines. USP1990054926963.
  29. Snyder Stephen J. (West Hills CA). Sound attenuating laminate installation for jet aircraft engines. USP1990084947958.
  30. Nye Theodore W. ; Baker Jeffrey L.. Structure having low acoustically-induced vibration response. USP1999065912442.