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특허 상세정보

Exhaust mixer for turbofan aeroengine

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F02K-003/02   
미국특허분류(USC) 60/262 ; 60/264 ; 181/220 ; 239/26517
출원번호 US-0408133 (1982-08-13)
우선권정보 GB-0026750 (1981-09-03)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 44  인용 특허 : 4
초록

An exhaust mixer for a turbofan aeroengine can be classified as being of the multi-lobed type, with troughs between the lobes. Good mixing efficiency together with good aerodynamics, short axial length and low weight is achieved by forming the mixer from flow surfaces which are longitudinally twisted between their upstream and downstream ends, opposing sides of each lobe and trough being of opposite twist. Between the upstream and downstream ends of the twisted flow surfaces, their latitudinal contours become approximately S-shaped so as to define outer ...

대표
청구항

For a turbofan aeroengine, an exhaust mixer of the type comprising a plurality of lobes, through which portions of a turbine exhaust stream pass, and a plurality of troughs defined between said lobes, through which troughs portions of a fan air stream pass, said lobes and said troughs being at least partially defined by turbine exhaust stream contacting flow surfaces and fan air stream contacting flow surfaces respectively whereby each said lobe and each said trough has generally opposed sides extending longitudinally of said turbine exhaust and fan air ...

이 특허를 인용한 특허 피인용횟수: 44

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  2. Mundt, Christian. Bloom mixer for a turbofan engine. USP2003066578355.
  3. Schafer, Tilman; Dreesen, Thomas. Cooling fan module. USP2017079714666.
  4. Yogendra Sheoran ; Knauer E. Chad ; Bert A. Diehl, Jr. ; Timothy R. Whittemore. Deep lobed deswirling diffuser tailpipe. USP2002076412283.
  5. Zysman Steven H. (Middletown CT) Lord Wesley K. (Glastonbury CT) Barber Thomas J. (West Hartford CT). Double lobed mixer with major and minor lobes. USP1997065638675.
  6. Gutmark, Ephraim Jeff; Martens, Steven (nmn). Duplex tab exhaust nozzle. USP2012018087250.
  7. Liang George P. ; Yeager William J. ; Soileau John F.. Ejector extension cooling for exhaust nozzle. USP2001106301877.
  8. Zhang, Xiaogang. Exhaust flow device. USP20181010086332.
  9. Zhang, Xiaogang. Exhaust flow device. USP2017119822688.
  10. Kirker, Timothy J.. Exhaust flow mixers and nozzles. USP1985104543784.
  11. Zhang, Xiaogang. Exhaust gas mixer. USP20180910066530.
  12. Siefker, Robert G.; Vittal, Baily Ramachandra; Baker, Von David; Khalid, Syed Arif; Loebig, James Carl. Exhaust mixer and apparatus using same. USP2003086606854.
  13. Mavrocostas George (Lanarca CYX). Exhaust mixer for turbofan aeroengine. USP1986034576002.
  14. Robertson John M. (Greenwich CT). Exhaust mixing in turbofan aeroengines. USP1986034577462.
  15. Hammond Mark H. ; Presz ; Jr. Walter M.. Exhaust nozzle for suppressing infrared radiation. USP1999115992140.
  16. Ribarov, Lubomir A.; Elder, James S.. Exhaust stream mixer. USP2018059970386.
  17. Lord,Wesley K.; Zysman,Steven H.; Howlett,Matthew J.. Fluid mixer with an integral fluid capture ducts forming auxiliary secondary chutes at the discharge end of said ducts. USP2008107434384.
  18. Huzzard Cunningham, Mark. Gas turbine engine exhaust mixer including circumferentially spaced-apart radial rows of tabs extending downstream on the radial walls, crests and troughs. USP2014018635875.
  19. Steven H. Zysman ; Wesley K. Lord ; Gregory A. Kohlenberg. Gas turbine engine jet noise suppressor. USP2002126487848.
  20. Anderson, Morris G.; Jan, David K.; Zurmehly, George E.; Halfmann, Steve H.; Zollars, Christopher E.. Integrated support and mixer for turbo machinery. USP2011027882696.
  21. Mengle, Vinod G.. Jet engine nozzle exit configurations and associated systems and methods. USP2011067966824.
  22. Mengle, Vinod G.. Jet engine nozzle exit configurations and associated systems and methods. USP2013088511090.
  23. Mengle, Vinod G.; Thomas, Russell H.. Jet engine nozzle exit configurations, including projections oriented relative to pylons, and associated systems and methods. USP2012048157207.
  24. Schlinker,Robert; Narayanan,Satish; Lord,Wesley K.; Kohlenberg,Gregory A.; Reba,Ramons; Simonich,John; Soteriou,Marios C.; Maeder,Thierry. Jet exhaust noise reduction system and method. USP2006107114323.
  25. Seiner,John M.. Method and device for reducing engine noise. USP2007077240493.
  26. Seiner,John M.. Method and device for reducing engine noise. USP2009017475550.
  27. Zysman Steven H. ; Lord Wesley K. ; Barber Thomas J.. Method of noise suppression for a turbine engine. USP1998075775095.
  28. Sylla, Amadou André; Huber, Jérôme; Pelagatti, Olivier; Prat, Damien; Debatin, Klaus. Noise control chevron for a nozzle, and nozzle and turboshaft engine provided with such a chevron. USP2014118887489.
  29. Rose, Marco; Spieweg, Rene. Nozzle with guiding devices. USP2017039605621.
  30. Rose, Marco; Spieweg, Rene. Nozzle with guiding devices. USP2016039279387.
  31. Dionne, Luc. Passive cooling system for auxiliary power unit installation. USP2003116651929.
  32. Dionne, Luc. Passive cooling system for auxiliary power unit installation. USP2017059644538.
  33. Dionne, Luc. Passive cooling system for auxiliary power unit installation. USP2005096942181.
  34. Dionne,Luc. Passive cooling system for auxiliary power unit installation. USP2008047364117.
  35. Quackenbush, Todd R.; McKillip, Jr., Robert M.; Danilov, Pavel V.. Supersonic engine inlet diffuser with deployable vortex generators. USP2016089429071.
  36. Van Ness, II, Daniel K.; Tews, Brian E.; Rodriguez, Christian O.. System and method to improve the exhaust pressure across a RAM air turbine through secondary flow mixing. USP2014088794902.
  37. Birch, Stanley F.; Secundov, Alexander N.; Lyubimov, Dmitriy A.; Khritov, Konstantin M.; Maslov, Vladimir P.; Mironov, Aleksey K.. Systems and methods for passively directing aircraft engine nozzle flows. USP2011017870722.
  38. Birch, Stanley F.; Secundov, Alexander N.; Lyubimov, Dmitriy A.; Khritov, Konstantin M.; Maslov, Vladimir P.; Mironov, Aleksey K.. Systems and methods for passively directing aircraft engine nozzle flows. USP2012058166768.
  39. Alkislar, Mehmet B.; Butler, George W.; Reed, David H.. Systems and methods for reducing noise from jet engine exhaust. USP2011067966826.
  40. Mathews Douglas C. ; Low John K. C.. Tabbed nozzle for jet noise suppression. USP2001116314721.
  41. Quarin, Benedetta; Zeggai, Kamel. Turbomachine nozzle cowl having patterns with lateral fins for reducing jet noise. USP2012128322144.
  42. Anderson,Morris G.; Ross,David F.. Twisted mixer with open center body. USP2008067389635.
  43. Presz ; Jr. Walter M.. Two-stage mixer ejector suppressor. USP1998065761900.
  44. Presz, Jr., Walter M.; Werle, Michael J.. Water turbines with mixers and ejectors. USP2013028376686.