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특허 상세정보

Wingtip vortex impeller device for reducing drag and vortex cancellation

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B64C-023/02   
미국특허분류(USC) 244/199 ; 244/058
출원번호 US-0038813 (1998-03-11)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Anderson
인용정보 피인용 횟수 : 11  인용 특허 : 4
초록

The present invention is a wingtip vortex device installed at the wingtips of an aircraft for induced drag reduction and vortex cancellation. Also, the wingtip vortex device is self-contained and is powered by the wingtip vortex. The wingtip vortex device comprises a shaft coupled between the wing and a spinner. The spinner is a streamlined body of revolution with a number of radial fins. The wingtip vortex of the aircraft induces spinner whirl, which is opposite to that of the wingtip vortex. As a result, the spinner-induced whirl produces an upwash sup...

대표
청구항

[ What is claimed is:] [1.] An aerodynamic drag reduction and vortex cancellation system for an aircraft wingtip characterized by a wingtip vortex induced adjacent thereto, the wingtip vortex generally defined by inboard and outboard vortex flowfields, the system comprising:a propeller disposed adjacent the wingtip in fluid communication with the wingtip vortex, the propeller being generally defined by inboard and outboard propeller areas, the outboard propeller area extending into the inboard vortex flowfield, the propeller being sized and configured to...

이 특허를 인용한 특허 피인용횟수: 11

  1. Shmilovich, Arvin; Yadlin, Yoram; Clark, Roger W.. Active systems and methods for controlling an airfoil vortex. USP2011098016244.
  2. Shmilovich, Arvin; Yadlin, Yoram; Clark, Roger; Leopold, Donald. Apparatus and method for the control of trailing wake flows. USP2009107597289.
  3. Shmilovich,Arvin; Yadlin,Yoram; Clark,Roger; Leopold,Donald. Apparatus and method for the control of trailing wake flows. USP2006097100875.
  4. Praskovsky, Alexander; Praskovskaya, Eleanor; Praskovsky, Andrew. Device, assembly, and system for reducing aerodynamic drag. USP2014078770649.
  5. T첩nnessen,Rune; Cordier,Stephane; Storteig,Eskild. Method and apparatus for reducing and extracting wing-tip vortex energy. USP2007097270214.
  6. Shmilovich, Arvin; Yadlin, Yoram; Clark, Roger W.; Leopold, Donald H.. Systems and methods for destabilizing an airfoil vortex. USP2010027661629.
  7. Lewis, Michael S.; Meserole, Jere S.; Dunn, Michael J.; Tillotson, Brian J.. Systems and methods for tracing aircraft vortices. USP2010037686253.
  8. Lewis, Michael S.; Meserole, Jere S.; Dunn, Michael J.; Tillotson, Brian J.. Systems and methods for tracing aircraft vortices. USP2013028376284.
  9. Lewis, Michael S.; Meserole, Jere S.; Dunn, Michael J.; Tillotson, Brian J.. Systems and methods for tracing aircraft vortices. USP2011017874522.
  10. Plaskove, Robert M.; Miller, Courtlandt G.; Hefazi, Hamid; Rahai, Hamid R.. Wind turbine apparatus. USP2013018358030.
  11. Duke, John Hincks. Wingtip vortex drag reduction method using backwash convergence. USP2017109776710.