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특허 상세정보

Blunt-leading-edge raked wingtips

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B64C-003/10   
미국특허분류(USC) 24/403.5R ; 24/404.5R
출원번호 US-0096464 (1998-06-12)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Christensen O'Connor Johnson Kindness PLLC
인용정보 피인용 횟수 : 46  인용 특허 : 5
초록

An airplane having a fuselage (11), opposed main wings (12), and blunt-leading-edge raked wingtips (8) is provided. Each main wing includes an outboard end (9) and a leading edge (14) having an outboard end leading-edge nose and nose radius. One blunt raked wingtip (8) is located at each main wing outboard end (9) and includes a leading edge (20) swept back from the main wing leading edge (14). Each blunt raked wingtip (8) further includes a plurality of local airfoils each having a leading-edge nose radius and a chord. The nose radius is greater than ab...

대표
청구항

[ What is claimed is:] [1.] In a high subsonic Mach number airplane operating at or above Mach numbers of about 0.70 but less than 1.0 M during normal cruise flight operations, the airplane having a fuselage and opposed main swept wings, each swept wing having an inboard end attached to the fuselage and an outboard end an improvement comprising:a pair of raked wingtips, each wingtip having an outboard end and a root end connected to a main wing outboard end; the span of each raked wingtip being at least 4% of the semispan; each raked wingtip further incl...

이 특허를 인용한 특허 피인용횟수: 46

  1. Laguia-Barnola, Roger; Orchard, Matthew Noel; Wood, Norman. Aircraft with a wing tip comprising a fuel pod. USP20190110183757.
  2. White, Edward Val; Rawdon, Blaine Knight; Hoisington, Zachary C.; Droney, Christopher K.. Aircraft with movable winglets and method of control. USP2014028651431.
  3. Chase, James D.; Henderson, Michael; Peter, Sturdza. Highly efficient supersonic laminar flow wing structure. USP2016019233755.
  4. Chase, James D.; Henderson, Michael; Peter, Sturdza. Highly efficient transonic laminar flow wing. USP2015038991768.
  5. Santini, Gregory M.; Sakurai, Seiya. Horizontal folding wingtip. USP2018049950780.
  6. Santini, Gregory M.; Sakurai, Seiya. Horizontal folding wingtip. USP2016039296469.
  7. Shepshelovich, Michael; Steinbuch, Moshe. Hybrid transonic-subsonic aerofoils. USP2012058186616.
  8. Stuhr, Victor K.. Integrated wingtip extensions for jet transport aircraft and other types of aircraft. USP2013108544800.
  9. Roman, Dino L.; Vassberg, John C.; Friedman, Douglas M.; Malachowski, Adam P.; Vegter, Christopher A.. Performance-enhancing winglet system and method. USP2015018936219.
  10. Yechout, Thomas R.. Rakelet. USP2013028382041.
  11. Kafyeke, Fassi; Langlois, Marc; Kho, Cedric. Slat configuration for fixed-wing aircraft. USP2014078789798.
  12. Gratzer, Louis B.. Split blended winglet. USP20190410252793.
  13. Gratzer, Louis B.. Split blended winglet. USP20180610005546.
  14. Gratzer, Louis B.. Split blended winglet. USP2016049302766.
  15. Gratzer, Louis B.. Split blended winglet. USP2015028944386.
  16. Gratzer, Louis B.. Split blended winglet. USP20181010106247.
  17. Gratzer, Louis B.. Split spiroid. USP2017029580170.
  18. Gratzer, Louis B.. Split spiroid. USP2015059038963.
  19. Gratzer, Louis B.. Split spiroid. USP2016099434470.
  20. Roman, Dino L.; Vassberg, John C.; Friedman, Douglas M.; Malachowski, Adam P.; Vegter, Christopher A.. Split winglet system. USP2017059637226.
  21. Sakurai, Seiya; Jones, Kelly T.; Fox, Stephen J.; Fox, Bruce R.; Bennett, Nicholas I.; Good, Mark S.. Swing tip assembly rotation joint. USP2014048708286.
  22. Sakurai, Seiya; Kosko, Ryan W.; Santini, Gregory M.. Swing wing tip system, assembly and method with dual load path structure. USP2016039296471.
  23. Lassen, Matthew A.; Ostrom, Nicholas A.; Weaver, Jared D.; Whitt, Daniel R.. System for latching and locking a foldable airfoil. USP2016119481446.
  24. Grove, Darren V.. Transonic flow shockwave position stabilizer. USP2003026513754.
  25. Somers, Dan M.. Wing airfoil. USP2003086607164.
  26. Lassen, Matthew August; Douglas, Chad Richard; Jones, Kelly Thomas; Kenning, Terence Boyd. Wing fold controller. USP2016039290260.
  27. Lassen, Matthew August; Good, Mark Steven. Wing fold controller. USP2016119499252.
  28. Fox, Stephen John; Sakurai, Seiya; Munsen, Victor A.; Noble, Jack S.; Skomorowski, John Tony. Wing fold system. USP2016089415857.
  29. Fox, Stephen John; Kordel, Jan A.; Townsend, Keith; Lassen, Matthew August; Gardner, Mark John; Good, Mark Steven. Wing fold system rotating latch. USP2016109469392.
  30. Good, Mark Steven; Kordel, Jan A.; Pietersen, Quentin Theodor; Walker, Steven Paul; Jones, Kelly Thomas; Lassen, Matthew August; Hansken, Rickie. Wing fold system with latch pins through multiple mating lugs. USP2015129211946.
  31. Irving,Jan; Davies,Robert. Wing tip device. USP2007107275722.
  32. Wright, Christopher; Chu, James K.; Himisch, Jan. Wing tip device. USP2015119193445.
  33. Wright, Christopher; Chu, James K.; Himisch, Jan. Wing tip device. USP2015129199727.
  34. Wright, Christopher; Chu, James K.; Himisch, Jan. Wing tip device. USP2015059033282.
  35. Zaman, AbuMuhammed A.. Wing tip device for an aircraft wing. USP2016129511850.
  36. Hackett, Kevin Christopher; Pyne, Clive Robert. Wing tip devices. USP2011077971832.
  37. Heller, Gerd; Maisel, Manfred; Kreuzer, Peter. Wing tip extension for a wing. USP2004046722615.
  38. Gratzer, Louis B.. Wing tip with optimum loading. USP2016079381999.
  39. Koegler, Klaus Ulrich; Frere, Ariane; Herrig, Andreas. Winglet for a wind turbine rotor blade. USP2015089103325.
  40. Koegler, Klaus Ulrich; Frere, Ariane; Herrig, Andreas. Winglet for a wind turbine rotor blade. USP20180810047719.
  41. Koegler, Klaus Ulrich; Herr, Stefan; Vedula, Ramesh. Winglet for a wind turbine rotor blade. USP2015059039380.
  42. Roman, Dino L.; Vassberg, John C.; Friedman, Douglas M.; Malachowski, Adam P.; Vegter, Christopher A.. Winglet system. USP2016059346537.
  43. Roman, Dino L.; Vassberg, John C.; Friedman, Douglas M.; Malachowski, Adam P.; Vegter, Christopher A.. Winglet system and method. USP2015129216817.
  44. Roman, Dino L.; Vassberg, John C.; Friedman, Douglas M.; Malachowski, Adam P.; Vegter, Christopher A.. Winglet system having upper and lower winglet. USP2016109463871.
  45. Malachowski, Adam P.; Chaney, Stephen R.; Ebner, Norman K.; LeDoux, Stephen T.. Winglets with recessed surfaces, and associated systems and methods. USP2012038128035.
  46. Kelm, Roland. Wingtip extension for reducing wake vortices of aircraft. USP2017019545997.