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Aircraft with elliptical winglets

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B64C-005/08   
미국특허분류(USC) 244/091; 244/199
출원번호 US-0734347 (2000-12-11)
발명자 / 주소
대리인 / 주소
    Delbert J. Barnard
인용정보 피인용 횟수 : 47  인용 특허 : 13
초록

An aircraft with swept back wings has winglets (202) at the outer ends of its wings (200). The winglets (202) curve upwardly as they extend outwardly from their intersection (204) with the wings (200). The curvature of the winglets (202) at least approximates a conical section curvature, e.g. an elliptical based on an ellipse having a major axis that extends vertically and coincides with the intersection (204) of the outer end of the wing (200) and the inner end of the winglet (202).

대표
청구항
▼

1. An aircraft, comprising:a wing having an inner end, an outer end, an upper surface, a lower surface, a leading edge, and a trailing edge; and a winglet having an inner end, an outer end tip, an upper surface, a lower surface, a leading edge and a trailing edge; wherein the inner end of said winglet is connected to the outer end of said wing; wherein the upper and lower surfaces of the winglet and the leading and trailing edges of the winglet are continuations of the upper and lower surfaces of the wing and leading and trailing edges of the wing; where...

이 특허에 인용된 특허 (13)

  1. Wainfan Barnaby S. ; Mrdeza Matthew N.. Aerodynamic control effector. USP1999105961068.
  2. Jupp Jeffrey A. (Filton GBX) Rees Peter H. (Hatfield GBX). Aircraft wing and winglet arrangement. USP1987124714215.
  3. Nelson Wilbur C. (1540 Cedar Bend Drive Ann Arbor MI 48103). Airfoil tip vortex control. USP1977044017041.
  4. Welles Stanley W. (3943 SW. Rose St. Seattle WA 98136). Airframe design. USP1987064674709.
  5. Gratzer Louis B. (2201 3rd Ave. #2004 Seattle WA 98121). Blended winglet. USP1994095348253.
  6. Ishimitsu Kichio K. (Mercer Island WA). Minimum drag wing configuration for aircraft operating at transonic speeds. USP1980064205810.
  7. Ishimitsu Kichio K. (Mercer Island WA) Van Devender Neal R. (Renton WA). Minimum drag wing configuration for aircraft operating at transonic speeds. USP1981014245804.
  8. Gratzer Louis B. (2201 3rd Ave. #2004 Seattle WA 98121). Spiroid-tipped wing. USP1992045102068.
  9. Gabriel Albert L. (135 W. Mission Ave. ; Suite 211 Escondido CA 92025). Swing wing glider. USP1986084605183.
  10. Kirk Philip S. (Redmond WA) Whitcomb Richard (Hampton VA). System for increasing airplane fuel mileage and airplane wing modification kit. USP1995045407153.
  11. Hackett James E. (Smyrna GA). Vortex diffuser. USP1980024190219.
  12. Ellis Roger R. (Wichita KS) Gertsen W. Marvin (Wichita KS) Conley Norman E. (Wichita KS). Wing with improved leading edge for aircraft. USP1980124240597.
  13. Goldhammer Mark I. (Bellevue WA) Schippers Karel A. (Renton WA). Wing/winglet configurations and methods for aircraft. USP1994015275358.

이 특허를 인용한 특허 피인용횟수: 47

  1. Guida, Nicholas R.. Active winglet. USP2014048684315.
  2. Guida, Nicholas R.. Active winglet. USP2017099764825.
  3. Edmond, George; Monaghan, Thomas. Aircraft lighting device. USP2015079090341.
  4. Zickuhr, Thomas Dean. Aircraft winglet. USP2017059637225.
  5. Speer, Stephen R.. Aircraft winglet design having a compound curve profile. USP2015099120562.
  6. Barriety, Bernard. Aircraft with active control of the warping of its wings. USP2004126827314.
  7. Alford, Jr., Lionel D.; Clayman, Jr., Gary J.. Blended winglet. USP2010017644892.
  8. Guida, Nicholas R.. Controllable airflow modification device periodic load control. USP2017029567066.
  9. Sankrithi, Mithra M. K. V.; Frommer, Joshua B.. Controllable winglets. USP2010067744038.
  10. McLean, James D.. Efficient wing tip devices and methods for incorporating such devices into existing wing designs. USP2005056886778.
  11. Schweiger, Johannes. Fluid dynamically effective surface for minimizing induced resistance. USP2009107597285.
  12. Stuhr, Victor K.. Integrated wingtip extensions for jet transport aircraft and other types of aircraft. USP2013108544800.
  13. Guida, Nicholas R.. Multiple controllable airflow modification devices. USP2015109162755.
  14. Guida, Nicholas R.. Multiple controllable airflow modification devices. USP2018059969487.
  15. Buescher, Alexander; Karwin, Michael; Theurich, Frank. Non-planar wing tip device for wings of aircraft, and wing comprising such a wing tip device. USP2013078490925.
  16. Roman, Dino L.; Vassberg, John C.; Friedman, Douglas M.; Malachowski, Adam P.; Vegter, Christopher A.. Performance-enhancing winglet system and method. USP2015018936219.
  17. Yechout, Thomas R.. Rakelet. USP2013028382041.
  18. Wobben, Aloys. Rotor blade for a wind power plant. USP2012088241002.
  19. Gratzer, Louis B.. Split blended winglet. USP20190410252793.
  20. Gratzer, Louis B.. Split blended winglet. USP20180610005546.
  21. Gratzer, Louis B.. Split blended winglet. USP2016049302766.
  22. Gratzer, Louis B.. Split blended winglet. USP2015028944386.
  23. Gratzer, Louis B.. Split blended winglet. USP20181010106247.
  24. Gratzer, Louis B.. Split spiroid. USP2017029580170.
  25. Gratzer, Louis B.. Split spiroid. USP2015059038963.
  26. Gratzer, Louis B.. Split spiroid. USP2016099434470.
  27. Roman, Dino L.; Vassberg, John C.; Friedman, Douglas M.; Malachowski, Adam P.; Vegter, Christopher A.. Split winglet system. USP2017059637226.
  28. Irving,Jan; Davies,Robert. Wing tip device. USP2007107275722.
  29. Mann, Alan. Wing tip device. USP2011087988100.
  30. Mann, Alan. Wing tip device. USP2013018342456.
  31. Wright, Christopher; Chu, James K.; Himisch, Jan. Wing tip device. USP2015119193445.
  32. Wright, Christopher; Chu, James K.; Himisch, Jan. Wing tip device. USP2015129199727.
  33. Wright, Christopher; Chu, James K.; Himisch, Jan. Wing tip device. USP2015059033282.
  34. Zaman, AbuMuhammed A.. Wing tip device for an aircraft wing. USP2016129511850.
  35. Hackett, Kevin Christopher; Pyne, Clive Robert. Wing tip devices. USP2011077971832.
  36. Heller, Gerd; Maisel, Manfred; Kreuzer, Peter. Wing tip extension for a wing. USP2004046722615.
  37. Theurich, Frank; Himisch, Jan. Wing tip shape for a wing, in particular of aircraft. USP2017019550563.
  38. Theurich, Frank; Himisch, Jan. Wing tip shape for a wing, in particular of aircraft. USP2014058727285.
  39. Gratzer, Louis B.. Wing tip with optimum loading. USP20190310232934.
  40. Gratzer, Louis B.. Wing tip with optimum loading. USP2016079381999.
  41. Bray, Robert M. Winglet. USP2011087988099.
  42. Garang, Philippe. Winglet. USP2013028366056.
  43. Roman, Dino L.; Vassberg, John C.; Friedman, Douglas M.; Malachowski, Adam P.; Vegter, Christopher A.. Winglet system. USP2016059346537.
  44. Roman, Dino L.; Vassberg, John C.; Friedman, Douglas M.; Malachowski, Adam P.; Vegter, Christopher A.. Winglet system and method. USP2015129216817.
  45. Roman, Dino L.; Vassberg, John C.; Friedman, Douglas M.; Malachowski, Adam P.; Vegter, Christopher A.. Winglet system having upper and lower winglet. USP2016109463871.
  46. Malachowski, Adam P.; Chaney, Stephen R.; Ebner, Norman K.; LeDoux, Stephen T.. Winglets with recessed surfaces, and associated systems and methods. USP2012038128035.
  47. Edmond, George; Thompson, Robert L. J.. Wingtip fin of an aircraft. USP2015089096308.

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