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특허 상세정보

Turbofan with frangible rotor support

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F02K-003/04   
미국특허분류(USC) 602/23 ; 600/390.91 ; 602/261
출원번호 US-0102059 (1998-06-22)
우선권정보 GB-0013296 (1997-06-25)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Taltavull
인용정보 피인용 횟수 : 38  인용 특허 : 5
초록

A ducted fan gas turbine engine (10) is provided with a fan (12) which is carried by a shaft (16). A frangible support member (27) maintains a coaxial relationship between the shaft (16) and the longitudinal axis (15) of the engine (10). In the event of severe damage to the fan (12), the frangible member (27) fractures, allowing the shaft (16) carrying the fan (12) to orbit about the engine longitudinal axis (15). A resilient support member (33,45) exerts a radially inward restoration force on the shaft (16) carrying the fan (12) to reduce vibration.

대표
청구항

[ We claim:] [1.] A ducted fan gas turbine engine having a longitudinal axis and including a propulsive fan and a first shaft, said propulsive fan mounted on said first shaft, a second shaft and a compressor mounted on said second shaft, said shafts being normally coaxial both with each other and with said engine longitudinal axis, axially spaced apart first and second bearing members, said shafts being respectively supported at their upstream ends by said first and second bearing members, said engine having fixed structure, radially frangible support me...

이 특허를 인용한 특허 피인용횟수: 38

  1. Allmon,Barry Lynn; Riffle,Richard Leon; Cabe,Jerry Lynn; Anstead,Duane Howard. Apparatus for centering rotor assembly bearings. USP2008067384199.
  2. Bouchy,Gael; Mazelet,Alain; Martin,Daniel Jean Marie; Morel,Patrick Charles Georges. Arrangement of bearing supports for the rotating shaft of an aircraft engine and an aircraft engine fitted with such an arrangement. USP2008117448808.
  3. Fletcher, Paul; Webster, John Richard; Maguire, Alan Robert. Bearing arrangement. USP2017019546570.
  4. Kight, Matthew Scott. Bimodal fan, heat exchanger and bypass air supercharging for piston or rotary driven turbine. USP2004096786036.
  5. Counter, James Adrian; Kildea, John D.. Collectors for mineral flotation. USP2016029266120.
  6. Raykowski, Lena; Smailys, Harvey; Beamish, Dave. Double frangible bearing support. USP2017109777596.
  7. Durocher,Eric; Jutras,Martin. Duct with integrated baffle. USP2007067229247.
  8. Kenneth F Udall GB; John W Allen GB; Stephen H Watson GB. Ducted fan gas turbine engine with frangible connection. USP2002126494032.
  9. Ivakitch, Richard; Eleftheriou, Andreas; Bonniere, Philippe. Fan and boost joint. USP2015079080461.
  10. McCune, Michael E.. Fan axial containment system. USP20190310233772.
  11. Vondrell Randy M. ; Tseng Wu-Yang ; Glynn Christopher C.. Fan decoupler system for a gas turbine engine. USP2001066240719.
  12. John Andrew Kastl ; Randy Marinus Vondrell ; Christopher Charles Glynn. Fan decoupling fuse. USP2002066402469.
  13. Eleftheriou, Andreas; Denis, David; Leclair, Denis; Roussel, Yves. Gas turbine engine case and method of making. USP2010097797922.
  14. Cottrell, Brian; Zalewski, George Jerzy; Kroeger, James. Gas turbine engine rotor tip clearance and shaft dynamics system and method. USP2014048702377.
  15. Treat, Christopher; Stenman, Christina A.. Gas turbine exhaust nozzle divergent flap seal. USP2015049016695.
  16. Fielding, Bruce; Farah, Assaf; Blume, Karl D.; Nguyen, Lam; Kapustka, Theodore W. Gas turbine rotor containment. USP2016039291070.
  17. Davis, Todd A.. Geared turbofan engine with integral gear and bearing supports. USP2017059638062.
  18. Davis, Todd A.. Geared turbofan engine with integral gear and bearing supports. USP2014098845277.
  19. Durocher,Eric; Pietrobon,John Walter. Lightweight annular interturbine duct. USP2007067229249.
  20. Bala Corattiyil ; Barry Lynn Allmon. Method and apparatus for centering rotor assembly damper bearings. USP2002096443698.
  21. Morris Green Penn ; Bala Corattiyil. Method and apparatus for centering rotor assembly damper bearings. USP2002076413046.
  22. Doerflein, Thomas Matthew; Wilton, Stephen Anthony; Allmon, Barry Lynn. Method and apparatus for supporting rotor assemblies during unbalances. USP2004086783319.
  23. Peter Carl Ommundson ; Robert Burton Brown ; Scott Albert Tardanico. Method and apparatus for supporting rotor assembly bearings. USP2002086439772.
  24. Scardicchio, Ubaldo M.; Slusher, Michael. Methods and apparatus for assembling a bearing assembly. USP2005066910863.
  25. Denis, David; Bonniere, Philippe; Kojovic, Milica; Korshikov, Oleg; Raykowski, Lena; Wojtyczka, Czeslaw. Post FBO windmilling bumper. USP2017109777592.
  26. Denis, David; Bonniere, Philippe; Kojovic, Milica; Korshikov, Oleg; Raykowski, Lena; Wojtyczka, Czeslaw. Post FBO windmilling bumper. USP20181210156154.
  27. Plona,Daniel. Rotor recentering after decoupling. USP2008077404678.
  28. Khan, Esuff; Ac, Shivaram; Buravalla, Vidyashankar Ramasastry; Ghosh, Shuvajyoti; Joshi, Akash. Rotor support system with shape memory alloy components for a gas turbine engine. USP20190210196934.
  29. Meacham, Walter Lee; Bridges, Eric; Margolis, Alan. Three parameter damper anisotropic vibration isolation mounting assembly. USP2016039297438.
  30. Lefebvre, Guy; Durocher, Eric. Turbine section architecture for gas turbine engine. USP2014058734085.
  31. Eleftheriou, Andreas; Lobo, Kevin Walter; Weinberg, Maurice; Liu, Quantai. Turbofan case and method of making. USP2010087770378.
  32. Eleftheriou, Andreas; Lobo, Kevin Walter; Weinberg, Maurice; Liu, Quantai. Turbofan case and method of making. USP2010097793488.
  33. Eleftheriou, Andreas; Lobo, Kevin Walter; Weinberg, Maurice; Liu, Quantai. Turbofan case and method of making. USP2010087765787.
  34. Eleftheriou, Andreas; Lobo, Kevin Walter; Weinberg, Maurice; Liu, Quantai. Turbofan case and method of making. USP2010067739866.
  35. Eleftheriou, Andreas; Lobo, Kevin Walter; Weinberg, Maurice; Liu, Quantai. Turbofan case and method of making. USP2009077565796.
  36. Eleftheriou,Andreas; Lobo,Kevin Walter; Weinberg,Maurice; Liu,Quantai. Turbofan case and method of making. USP2008057370467.
  37. Webster, John Richard; Udall, Kenneth Franklin; Townsend, James Martin. Turbofan gas turbine engine. USP2013048430622.
  38. Brault,Michel Gilbert Roland; Morel,Patrick Charles Georges; Zsiga,Zoltan; Bouchy,Gael; Pandelakis,Pierre Bruno. Turbomachine with a decoupling device common to first and second bearings of its drive shaft, compressor comprising the decoupling device and decoupling device. USP2007037195444.