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특허 상세정보

Aircraft engine in which there is a small clearance separating the fan cowls and the thrust inverter cowls

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F02K-003/02    F02K-003/00   
미국특허분류(USC) 060/226.1; 224/054
출원번호 US-0821854 (2004-04-12)
등록번호 US-7334393 (2008-02-26)
우선권정보 FR-03 50231(2003-06-18)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
인용정보 피인용 횟수 : 14  인용 특허 : 23
초록

Aircraft engine comprising a pod comprising, in sequence from front to back, an air inlet structure (6), fan cowls (7), thrust inverter cowls (8), and a nozzle (9), additional stiffening means are placed either in the air inlet structure (6) or between the fan cowls (7) and the thrust inverter cowls (8). This arrangement limits the clearance between fan cowls (7) and thrust inverter cowls (8), despite the pressure differences applied in flight on the air inlet structure (6), due to the aerodynamic air flow. This avoids the formation of an excessive paras...

대표
청구항

The invention claimed is: 1. An aircraft engine including a fan casing and a pod, wherein said pod comprises, in sequence along the air flow direction: an air inlet structure fixed to the fan casing; at least one fan cowl; and at least one thrust inverter cowl fixed to the fan casing, wherein the pod further comprises: a releasable connection mechanism configured to releasably connect a front edge of the fan cowl to a back edge of the air inlet structure; and several rigid stiffeners of which one first end is fixed to the air inlet structure close to th...

이 특허에 인용된 특허 (23)

  1. Alain Porte FR; Stephane Viala FR; Olivier Barbara FR. Air inlet cowl for a jet engine equipped with de-icing means. USP2002096443395.
  2. Evelyn George B. (Bellevue WA) James Varnell L. (Kent WA). Aircraft engine installation. USP1979044150802.
  3. Marche Herve,FRX. Aircraft motor pod including a pivotable pod cowling. USP1998055755403.
  4. Alain Porte FR. Aircraft propulsion unit fan cowls equipped with maintaining and positioning safety elements. USP2002016334588.
  5. Porte, Alain; Lalane, Jacques. Device for connecting two tubular pieces of an aircraft turbine engine. USP2005026857669.
  6. Pascal Jule FR; Alain Porte FR; Stephane Levert FR. Device for fixing an aircraft propulsion system to a strut and a strut adapted to said device. USP2002066398161.
  7. Armstrong Norman (Newtownards GBX). Ducted fan turbine engine. USP1992085136839.
  8. Armstrong Norman (Newtownards GB5). Ducted fan turbine engine nozzle assembly. USP1997025603471.
  9. Stanton William A. (Thorneywood GB2) Hazlewood Jonathan (Darley Abbey GB2) Kerridge Norman A. (Little Eaton GB2). Gas turbine engine casing. USP1984014425080.
  10. Lardellier Alain M. J. (Melun FRX). High by-pass ratio turbojet engine with counterrotating upstream and downstream fans. USP1991105058379.
  11. Schilling Jan C. (Middletown OH). Method and system for the removal of large turbine engines. USP1993045205513.
  12. Brodell Robert F. (Marlborough CT) Hovan Edward J. (Manchester CT) Selfors Steven T. (Somerville MA) Loffredo Constantino V. (Newington CT) Duesler Paul W. (Manchester CT). Nacelle and mounting arrangement for an aircraft engine. USP1996065524847.
  13. Moorehead James R. (Bellevue WA). Nacelle assembly and mounting structures for a turbofan jet propulsion engine. USP1977084044973.
  14. Porte Alain,FRX ; Andre Robert,FRX. Noise reducing connection assembly for aircraft turbine housings. USP2000096123170.
  15. Bart Jacques R. (Evry FRX). Pod for a turbofan aero engine of the forward contrafan type having a very high bypass ratio. USP1992105157915.
  16. Porte Alain,FRX. Protective device for a jet engine air inlet cowl equipped with a deicing system. USP2001066241189.
  17. Naud Henry (Verrieres Le Buisson FRX). Structural cowlings of twin flow turbo jet engines. USP1987084683717.
  18. Schilling Jan C. (Middletown OH). Structure for eliminating lift load bending in engine core of turbofan. USP1992125174525.
  19. White John L. (Bellevue WA). System for mounting a jet engine. USP1986084603821.
  20. Alain Porte FR. Telescopic rod for opening a mobile cowl, in particular of an aircraft engine bay. USP2002016334730.
  21. Brian E. Barton. Translating independently mounted air inlet system for aircraft turbofan jet engine. USP2002016340135.
  22. Porte Alain (Colomiers FRX) Ciprian Danilo (Aussonne FRX). Turbofan engine with a floating pod. USP1997075642615.
  23. Lardellier Alain M. J. (Melun FRX). Wing mounting nacelle for a very high by-pass ratio turbojet aero-engine. USP1990074940196.

이 특허를 인용한 특허 피인용횟수: 14

  1. Chiou, Song; Yu, Jia; Hubert, Claude; Layland, Michael. Acoustic barrel for aircraft engine nacelle including crack and delamination stoppers. USP2010097798285.
  2. Harper, Cedric B.. Acoustic liners. USP2011067967108.
  3. Vauchel, Guy Bernard; Valleroy, Laurent Georges; Beilliard, Stéphane; Bravin, Fabien. Air intake for aircraft nacelle, and propulsion assembly including such air intake. USP2015038985506.
  4. Porte, Alain; Fargues, Matthieu; Marro, Martial. Aircraft nacelle comprising a reinforced connection between an air intake and a powerplant. USP2017029567905.
  5. Calder, David P.; Howarth, Graham F.. Apparatus for facilitating access to a nacelle interior. USP2015119188025.
  6. Calder, David P.; Howarth, Graham F.. Apparatus for facilitating access to a nacelle interior and method of assembling the same. USP2015119188026.
  7. Goering, Jonathan. Circumferential stiffeners for composite fancases. USP2017129833930.
  8. Goering, Jonathan. Circumferential stiffeners for composite fancases. USP20181210150229.
  9. Goering, Jonathan. Circumferential stiffeners for composite fancases. USP20180710016913.
  10. Goering, Jonathan. Circumferential stiffeners for composite fancases. USP20180810052796.
  11. Porte, Alain; Lalane, Jacques; Alvarez, Franck. Fuse link device between a mobile part and a fixed part of an aircraft nacelle. USP2013108567712.
  12. Binks, Alan; James, Norman John; Layland, Michael John. Inlet section of an aircraft engine nacelle. USP2016089403599.
  13. Calder, David P.; Howarth, Graham F.. Nacelle and method of assembling the same. USP2012078220738.
  14. 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.