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특허 상세정보

Jet engine fan nacelle

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B64C-023/06   
미국특허분류(USC) 244/199 ; 244/130 ; 244/53B
출원번호 US-0708330 (1991-05-31)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 31  인용 특허 : 0
초록

A jet engine fan nacelle which maintains attached flow during engine windmilling. The nacelle includes a cylindrical airfoil body having an inner surface. A plurality of vortex generators are positioned on the inner surface between the nacelle body\s leading edge and its throat within ninety degrees of rotation from the crown line hilite about the nacelle\s longitudinal axis. The vortex generators energize the airflow to maintain an attached flow around the leading edge and along the outer surface of the nacelle\s body without separating from the outer s...

대표
청구항

A jet engine fan nacelle comprising: (a) a generally cylindrical airfoil body having: (1) a longitudinal axis, (2) a generally circular leading edge including a crown line hilite, (3) a generally circular throat, and (4) an inner surface extending from said leading edge to said throat; and (b) a plurality of vortex generators protruding from said inner surface and disposed between said leading edge and said throat within generally ninety degrees of rotation from said crown line hilite about said longitudinal axis.

이 특허를 인용한 특허 피인용횟수: 31

  1. Lumbab, Alex C.; Leisten, Bradley Scott. Aircraft engine nacelle bulkheads and methods of assembling the same. USP2017079708072.
  2. Ireland, Peter. Application of elastomeric vortex generators. USP2014108870124.
  3. Hendricks, Gavin. Cambered aero-engine inlet. USP2012098261530.
  4. Hendricks, Gavin. Cambered aero-engine inlet. USP2013098528318.
  5. Atinault, Olivier. Device for controlling a vortex trail generated by the oblong element of an aircraft bearing surface. USP2011017866608.
  6. Fulayter, Roy D.; Smith, Crawford F.. Engine nacelle. USP20180910072511.
  7. Hutcheson, Florence V.; Brooks, Thomas F.. Flow disruption devices for the reduction of high lift system noise. USP20190410252792.
  8. Morford, Stephen A.; Larkin, Michael J.. Gas turbine engine having slim-line nacelle. USP2014098844294.
  9. Morford, Stephen A.; Larkin, Michael J.. Gas turbine engine having slim-line nacelle. USP2013018353164.
  10. Morford, Stephen A.; Larkin, Michael J.. Gas turbine engine having slim-line nacelle. USP2014058726632.
  11. Mosley, Christopher Alan; Smith, Angus Roy; Sheaf, Christopher Thomas John; Wells, John Richard. Gas turbine engine nacelle. USP2018029885285.
  12. Smith, Angus Roy; Arzoglou, Dimitris. Gas turbine engine nacelle having a symmetric flowpath. USP2016059328662.
  13. Smith, Angus Roy; Arzoglou, Dimitris. Gas turbine engine nacelle having a symmetric flowpath and design method thereof. USP2015038985507.
  14. Winter, Michael; Jain, Ashok K.. Gas turbine engine system providing simulated boundary layer thickness increase. USP2012078209953.
  15. Lumbab, Alex C.; Leisten, Bradley Scott. Lipskin for a nacelle and methods of making the same. USP2017059656761.
  16. Keefe Laurence R.. Method and apparatus for reducing the drag of flows over surfaces. USP1998095803409.
  17. Lumbab, Alex C.; Leisten, Bradley Scott. Methods and apparatus for noise attenuation in an engine nacelle. USP2017039604438.
  18. Jain, Ashok K.; Winter, Michael. Nacelle assembly having inlet airfoil for a gas turbine engine. USP2013048408491.
  19. Haas, Martin. Nacelle assembly having inlet bleed. USP2012068192147.
  20. Haas, Martin. Nacelle assembly with turbulators. USP2012058186942.
  21. Jain, Ashok K.. Nacelle flow assembly. USP2013128596573.
  22. Jain, Ashok K.. Nacelle flow assembly. USP2012108282037.
  23. Jain, Ashok K.. Nacelle flow assembly. USP2015049004399.
  24. Atassi, Oliver V.. Nacelle with porous surfaces. USP2015038974177.
  25. Lumbab, Alex C.; Lan, Justin Honshune; Leisten, Bradley Scott. Noise attenuating lipskin assembly and methods of assembling the same. USP2018049938852.
  26. Rybalko, Michael; Conners, Timothy R.; Wayman, Thomas R.. Propulsion system using large scale vortex generators for flow redistribution and supersonic aircraft equipped with the propulsion system. USP2018029884688.
  27. Janardan, Bangalore Ananthamurthy; Brausch, John Francis. Stub airfoil exhaust nozzle. USP2003016502383.
  28. Harrison, Neal A.; Dehaan, Mark; Vassberg, John C.; Sclafani, Anthony J.. Submerged vortex generator. USP2016059340281.
  29. Brown, Dewain Ray. Turbofan jet engine. USP2013118579584.
  30. Jain, Ashok K.. Variable geometry nacelle assembly for a gas turbine engine. USP2012068205430.
  31. Jain, Ashok K.; Chaudhry, Zaffir A.. Variable shape inlet section for a nacelle assembly of a gas turbine engine. USP2013038402739.