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특허 상세정보

Nacelle inlet lip

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B64D-033/02   
미국특허분류(USC) 244/053B;
출원번호 US-0164460 (2008-06-30)
등록번호 US-8757540 (2014-06-24)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Norton Rose Fulbright Canada LLP
인용정보 피인용 횟수 : 1  인용 특허 : 14
초록

A nacelle inlet lip has a simplified geometry. The nacelle inlet lip has a constant cross-section all along a circumference thereof and is wholly concentric relative to the engine centerline, thereby allowing for the use of simple and economical manufacturing processes.

대표
청구항

1. A nacelle inlet for a turbofan engine having an engine centerline, comprising an annular inlet lip mounted to an inlet section of the nacelle, the annular inlet lip being made from a single continuous piece of material separate from that of the inlet section, the annular inlet lip being concentric relative to the engine centerline, the annular inlet lip having a constant cross-section all along a circumference thereof, the annular inlet lip having an external surface and an internal surface joined by a rounded leading edge, the external surface being ...

이 특허에 인용된 특허 (14)

  1. Kendall, Ronnie G.; Burford, Dwight A.. Adaptable mandrel for spin forming. USP2005106955283.
  2. Surply, Thierry; Prat, Damien; Gagnaire, Benoit. Air inlet for commercial aircraft jet engine nacelle. USP2004036708711.
  3. Gonidec, Patrick; Grigis, Fran?ois Pierre Cl?ment. Air intake for large-size nacelle with enhanced transportability. USP2005016837459.
  4. Porte Alain,FRX. Air intake structure for aircraft engine. USP2001126328258.
  5. Porte,Alain; Andre,Robert. Air intake structure for aircraft engine. USP2008067383679.
  6. Sanders,Daniel G.; Foutch,David W.; Will,Jeff D.; Leon,Luis; Ramsey,Gregory L.; Booker,Garry A.. Formed structural assembly and associated preform and method. USP2007057210611.
  7. Porte Alain,FRX. Hot air diffuser for a jet engine air inlet cowl with de-icing circuit. USP2000066079670.
  8. White, Robert T.; Liebig, Thomas J.; Switzer, Jeffrey K.. Method and apparatus for hot die draw forming metal sheets. USP1991075035133.
  9. Crouch Jeffrey D. ; Ng Lian L.. Method and apparatus using localized heating for laminar flow. USP2000026027078.
  10. Folmer Carroll W. (29781 Pebble Beach Dr. Sun City CA 92586). Method for forming large 360 degree sheet metal shapes using longitudinal end loading. USP1995025388440.
  11. Kato,Hiroshi; Sugiyama,Tomio; Azuma,Hirohide; Saito,Tsugio. Method of manufacturing elliptic deep-drawn products. USP2006107121128.
  12. Chevalier, Lucien. Process for forming a sector of an air intake lip, device for practicing the same, and sector thus obtained. USP2005036866223.
  13. Hughes Kevin A. (San Diego CA) Shieh Chih F. (San Diego CA). Turbine engine nacelle laminar flow control arrangement. USP1994035297765.
  14. Eleftheriou,Andreas; Lobo,Kevin Walter; Weinberg,Maurice; Liu,Quantai. Turbofan case and method of making. USP2007097266941.