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특허 상세정보

Airplane airframe

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B64C-001/26    B64C-003/54    B64C-003/58    B64C-039/10   
미국특허분류(USC) 244/13 ; 244/36 ; 244/45R ; 244/91
출원번호 US-0017684 (1979-03-05)
발명자 / 주소
인용정보 피인용 횟수 : 25  인용 특허 : 1
초록

An airplane airframe having wings connected to the fuselage by spars of smaller cross section than the wings. Movable winglets may be provided at the outboard ends of the wings. The fuselage may be an airfoil shaped lifting body structure with longitudinal splines at its edges. The splines may be movable in flight, and may be provided with flaps which are also movable in flight so that the splines can be readjusted to alter the aerodynamic characteristics of the airframe during flight. The undersurface of the fuselage may include cambers symmetrical abou...

대표
청구항

An airplane airframe designed for high subsonic, transonic or supersonic speeds comprising: (a) a fuselage structure; (b) wings, each having a leading edge, a trailing edge, an inboard end and an outboard end and being connected to said fuselage structure at said inboard end; (c) spars intervening between said fuselage structure and said inboard ends of said wings, each such spar having an airfoil configuration, the maximum height of which is substantially less than the maximum height of the wing at or about the inboard end thereof, only one such spar be...

이 특허를 인용한 특허 피인용횟수: 25

  1. Wyrembek,Susanne; May,Peter; Muthreich,Klaus. Aerodynamic component for controlling a landing guide path of an aircraft. USP2006077070148.
  2. Van Dam Cornelis P. (Davis CA). Aircraft stall-spin entry deterrent system. USP1988104776542.
  3. Clark Walter Dennis. Augmented wing tip drag flap. USP2001056227487.
  4. Sankrithi, Mithra M. K. V.; Frommer, Joshua B.. Controllable winglets. USP2010067744038.
  5. Ferrari, Marcello do Areal Souto. Devices and methods to improve wing aerodynamics at low airspeeds. USP2012028118265.
  6. Schweiger, Johannes. Fluid dynamically effective surface for minimizing induced resistance. USP2009107597285.
  7. Hieu T. Ngo ; Lisa E. Barlow. Lifting surface with active variable tip member and method for influencing lifting surface behavior therewith. USP2002056394397.
  8. Wyrembek,Susanne; May,Peter; Muthreich,Klaus. Method and device for steepening a landing approach of an aircraft. USP2008017316371.
  9. Gratzer, Louis B.. Split blended winglet. USP20190410252793.
  10. Gratzer, Louis B.. Split blended winglet. USP20180610005546.
  11. Gratzer, Louis B.. Split blended winglet. USP2016049302766.
  12. Gratzer, Louis B.. Split blended winglet. USP2015028944386.
  13. Gratzer, Louis B.. Split blended winglet. USP20181010106247.
  14. Gratzer, Louis B.. Split spiroid. USP2017029580170.
  15. Gratzer, Louis B.. Split spiroid. USP2015059038963.
  16. Gratzer, Louis B.. Split spiroid. USP2016099434470.
  17. Wolfgang Brix DE. Subsonic aircraft with backswept wings and movable wing tip winglets. USP2002026345790.
  18. Scott, Mark W.; Cherepinsky, Igor. Vertical take-off and landing drag rudder. USP20180710011350.
  19. Morgenstern,John M.; Arslan,Alan E.. Wing employing leading edge flaps and winglets to achieve improved aerodynamic performance. USP2009017475848.
  20. Wright, Christopher; Chu, James K.; Himisch, Jan. Wing tip device. USP2015119193445.
  21. Wright, Christopher; Chu, James K.; Himisch, Jan. Wing tip device. USP2015129199727.
  22. Wright, Christopher; Chu, James K.; Himisch, Jan. Wing tip device. USP2015059033282.
  23. Chaussee, Julien; Paumes, Camille; Wijker, Norman; Alexander, Stuart. Wing tip device attachment apparatus and method. USP2016119499255.
  24. Bradshaw, Philip John Templeton; Whitehouse, Ian Roy; Wood, Norman; Alexander, Stuart; Randall, John David. Wing tip device having configurations for flight and ground-based operations. USP2017079714080.
  25. Gratzer, Louis B.. Wing tip with optimum loading. USP2016079381999.