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특허 상세정보

Noise reducing vortex generators on aircraft wing control surfaces

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B64C-023/06   
미국특허분류(USC) 244/199
출원번호 US-0841699 (2001-04-24)
우선권정보 DE-100 20 177 (2000-04-25)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    W. F. Fasse
인용정보 피인용 횟수 : 29  인용 특허 : 14
초록

Vortex generators are arranged on the edges of aircraft wing control surfaces to generate smaller vortices that weaken the main vortex that would otherwise be generated at these areas, and thereby reduce the aerodynamic generation of noise. Each vortex generator includes plural elongated elements in the form of rigid rods or flexible bristles protruding laterally outwardly from the respective edge of the control surface. The vortex generators are preferably arranged on the inboard and outboard edges of high lift flaps and slats.

대표
청구항

1. In an aircraft including a fuselage, a wing, and control surfaces selected from the group consisting of a high-lift flap, a slat, a spoiler, an aileron, an elevator, and a rudder,an improvement for reducing aerodynamically generated noise of air flowing over said aircraft, wherein: said improvement comprises a vortex generator arranged on a lateral end of said high-lift flap, said high-lift flap extends in a flap length direction along said wing and has an outboard end facing away from said fuselage and an inboard end facing toward said fuselage, said...

이 특허에 인용된 특허 (14)

  1. Crouch Jeffrey D. ; Spalart Philippe R.. Active system for early destruction of trailing vortices. USP2000076082679.
  2. Mabey Dennis G. (Bedford GB2). Aircraft controls. USP1986054591113.
  3. Nowak Dieter K.. Aircraft wing flaps. USP1998065772155.
  4. Niv Shaul E.,ILX ITX 55026. Apparatus for active fluid control. USP1999115983944.
  5. Aulehla Felix (Ottobrunn DEX) Genssler Hans-Peter (Munich DEX). Apparatus for influencing a boundary layer on the surface of a body moving through a medium. USP1989064836473.
  6. Flaig Axel,DEX ; Schwetzler Detlev,DEX ; Stache ; deceased Ulrich,DEXITX by Ronald Seiler ; legal representative. Apparatus for influencing a wing root airflow in an aircraft. USP2000116152404.
  7. Cox Ronald A. (Norman OK). Concealable flap-actuated vortex generator. USP1993105253828.
  8. Wake Brian E. ; Egolf T. Alan ; Lorber Peter F. ; Landgrebe Anton J.. Half-plow vortex generators for rotor blades for reducing blade-vortex interaction noise. USP1998085788191.
  9. Bauer Andrew B. (Orange CA). Hidden vortex generators. USP1977084039161.
  10. Wheeler Gary O. (2715 185th Ave. E. Sumner WA 98390). Low drag vortex generators. USP1991105058837.
  11. Erwin John R. (Paradise Valley AZ). Method and apparatus for controlling tip vortices. USP1976123997132.
  12. Blackner Anthony M. ; Zierten Thomas A.. Method and apparatus for reducing airframe aerosound. USP1998055749546.
  13. Vess Robert J. (Raleigh NC) Rao Dhanvada (Hampton VA). Strake fence flap. USP1988044739957.
  14. Bilanin Alan J. ; Quackenbush Todd R.. System and method of vortex wake control using vortex leveraging. USP2000036042059.

이 특허를 인용한 특허 피인용횟수: 29

  1. Mau, Knut; Grünewald, Michael; Reichenberger, Johann; Borchers, Ingo; Drobietz, Roger. Aerodynamic flap of an aircraft having a device which influences the flap vortex. USP2012018096513.
  2. Trichês, Jr., Mário; Valle do Carmo, Micael Gianini; Caldeira da Silva, Bruno Arantes; Franca Barboza, Marcus Vinicius; Losada Gouveia, Vinicius. Aircraft provided with aerodynamic seal for reduction of noise generated by aircraft control surfaces. USP2014028657236.
  3. Carroll, Christian A.; Yarbrough, Aaron A.; Herr, Stefan. Airflow configuration for a wind turbine rotor blade. USP20190110180125.
  4. Ireland, Peter. Application of elastomeric vortex generators. USP2014108870124.
  5. Royalty, Chuck; Jones, Kevin Allan Kingsley; Leclercq, Ralph Warren; Tanner, Justin A.. Cabin pressure outflow valve with simplified whistle eliminator. USP2014098840451.
  6. Larssen, Jon V.; Calkins, Frederick T.. Deployable flap edge fence. USP2013068469315.
  7. Weber, Carsten; Fischer, Markus; Grote, Arne; Radespiel, Rolf; Dreyer, Martin. Device and method for increasing the aerodynamic lift of an aircraft. USP2015119193444.
  8. Schaber, Sven. Device for the generation of aerodynamic vortices and also a regulating flap and wing with a device for the generation of aerodynamic vortices. USP2014078783623.
  9. Praskovsky, Alexander; Praskovskaya, Eleanor; Praskovsky, Andrew. Device, assembly, and system for reducing aerodynamic drag. USP2014078770649.
  10. Giguere, Philippe; Herr, Stefan; Fritz, Peter James; Riddell, Scott Gabell; Bergman, Jeffrey Eric. Extension for rotor blade in wind turbine. USP2014098834127.
  11. Khorrami, Mehdi R.; Choudhan, Meelan M.. Flap edge noise reduction fins. USP2015099132909.
  12. Hutcheson, Florence V.; Brooks, Thomas F.. Flow disruption devices for the reduction of high lift system noise. USP20190410252792.
  13. Prince, Troy S; Kolacinski, Richard; Patel, Mehul. Hierarchical closed-loop flow control system for aircraft, missiles and munitions. USP2016049310166.
  14. Prince, Troy S; Kolacinski, Richard; Patel, Mehul. Hierarchical closed-loop flow control system for aircraft, missiles and munitions. USP20181110139209.
  15. Isotani, Kazuhide; Hayama, Kenji. High-lift device of air vehicle. USP2017079714079.
  16. Isotani, Kazuhide; Hayama, Kenji. High-lift device of air vehicle. USP2017109789955.
  17. Isotani, Kazuhide; Hayama, Kenji. High-lift device of flight vehicle. USP2017049623956.
  18. Isotani, Kazuhide; Hayama, Kenji. High-lift device of flight vehicle. USP2017039586672.
  19. Hirai, Makoto; Takenaka, Keizo; Imamura, Taro; Yamamoto, Kazuomi; Yokokawa, Yuzuru. High-lift-device, wing, and noise reduction device for high-lift-device. USP2016099440729.
  20. Barocela,Edward; Vaporean,Charles N.. Low-drag rotor/wing flap. USP2006037014142.
  21. Bonnet, Laurent. Noise reducer for rotor blade in wind turbine. USP2013048414261.
  22. Drobietz, Roger; Frere, Ariane; Herrig, Andreas; Lin, Wendy Wen-Ling. Noise reducer for rotor blade in wind turbine. USP2013048430638.
  23. Drobietz, Roger; Koegler, Klaus Ulrich; Kinzie, Kevin Wayne; Fisher, Murray; Livingston, Jamie. Noise reducer for rotor blade in wind turbine. USP2013098523515.
  24. Huck, Robert Karl; Kinzie, Kevin Wayne; Davidson, James Paul; Drobietz, Roger. Noise reducer for rotor blade in wind turbine. USP2012098267657.
  25. Kinzie, Kevin Wayne. Noise reducing extension plate for rotor blade in wind turbine. USP2016119494134.
  26. Bonnaud, Cyril; Laporte, Florent; Bedoin, Stéve. Pylon for suspending a turboengine. USP2012048146868.
  27. Khorrami, Mehdi R.. Reactive orthotropic lattice diffuser for noise reduction. USP2016019227719.
  28. Dorsett, Kenneth M.. Vortex generation. USP2016119505485.
  29. Anjuri, EswaraRao V S J; Nanukuttan, Biju; Loganathan, Jaikumar; Herr, Stefan. Vortex generator assembly for use with a wind turbine rotor blade and method for assembling a wind turbine rotor blade. USP2011108038396.