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특허 상세정보

Wing tip airfoils

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B64C-005/08   
미국특허분류(USC) 244/199 ; 244/91
출원번호 US-0495804 (1983-05-18)
발명자 / 주소
인용정보 피인용 횟수 : 21  인용 특허 : 6
초록

The subject invention relates to a new and improved airfoil design. More particularly, an airfoil design is disclosed which improves efficiency by taking advantage of the vortex created at the wing tips.

대표
청구항

An improved wing design for an aircraft, said wing having opposite ends separated from each other in a span-wise direction, with said wing generating trailing vortices at said opposite ends with the vortices turning in opposite spirals, said improvement comprising: a pair of structural airfoils means on said opposite wing ends, with each said airfoil means having cambered surface area extending in the spiral directions of the vortices and aerodynamically coupled together with increasing dihedral angle in the flow direction, progressive changing angles of...

이 특허를 인용한 특허 피인용횟수: 21

  1. Wyrembek,Susanne; May,Peter; Muthreich,Klaus. Aerodynamic component for controlling a landing guide path of an aircraft. USP2006077070148.
  2. 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.
  3. Wyrembek,Susanne; May,Peter; Muthreich,Klaus. Method and device for steepening a landing approach of an aircraft. USP2008017316371.
  4. Roman, Dino L.; Vassberg, John C.; Friedman, Douglas M.; Malachowski, Adam P.; Vegter, Christopher A.. Performance-enhancing winglet system and method. USP2015018936219.
  5. Takanori Tsukahara JP; Masahiro Obukata JP. Rotary blade of helicopter. USP2002106467732.
  6. Gratzer, Louis B.. Split blended winglet. USP20190410252793.
  7. Gratzer, Louis B.. Split blended winglet. USP20181010106247.
  8. Roman, Dino L.; Vassberg, John C.; Friedman, Douglas M.; Malachowski, Adam P.; Vegter, Christopher A.. Split winglet system. USP2017059637226.
  9. Bussom, Richard; McVeigh, Michael A.; Narducci, Robert P.; Zientek, Thomas A.. System and method for improved rotor tip performance. USP2010077757992.
  10. Bussom,Richard; McVeigh,Michael A.; Narducci,Robert P.; Zientek,Thomas A.. System and method for improved rotor tip performance. USP2007097264200.
  11. Siplinger James D.. Vortex reducing mower blade. USP2001106301868.
  12. Ulrich La Roche CH; Lucas La Roche CH. Wing comprising a distal wing grid. USP2002086431499.
  13. Zaman, AbuMuhammed A.. Wing tip device for an aircraft wing. USP2016129511850.
  14. Malachowski, Adam P.; Chaney, Stephen R.; Ebner, Norman K.; LeDoux, Stephen L.; Vegter, Christopher A.. Wing tip device with recess in surface. USP2014028651427.
  15. Hackett, Kevin Christopher; Pyne, Clive Robert. Wing tip devices. USP2011077971832.
  16. La Roche Ulrich,CHX. Wing with a wing grid as the end section. USP1998105823480.
  17. Garang, Philippe. Winglet. USP2013028366056.
  18. Roman, Dino L.; Vassberg, John C.; Friedman, Douglas M.; Malachowski, Adam P.; Vegter, Christopher A.. Winglet system. USP2016059346537.
  19. Roman, Dino L.; Vassberg, John C.; Friedman, Douglas M.; Malachowski, Adam P.; Vegter, Christopher A.. Winglet system and method. USP2015129216817.
  20. Roman, Dino L.; Vassberg, John C.; Friedman, Douglas M.; Malachowski, Adam P.; Vegter, Christopher A.. Winglet system having upper and lower winglet. USP2016109463871.
  21. Malachowski, Adam P.; Chaney, Stephen R.; Ebner, Norman K.; LeDoux, Stephen T.. Winglets with recessed surfaces, and associated systems and methods. USP2012038128035.