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특허 상세정보

Flight control device for airplanes

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B64C-005/08    B64C-009/12   
미국특허분류(USC) 244/90R ; 244/45R ; 244/76R ; 244/82
출원번호 US-0415016 (1982-09-07)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 45  인용 특허 : 0
초록

Aircraft wing fatigue life and weight are strongly influenced by maximum wing root bending moment. The object of the invention is to augment the wing root bending moment relief that can be provided by the deflection of aircraft ailerons (12) in the conventional manner, while reducing or eliminating aileron induced wing torsional loading. To accomplish this, a movable aerodynamic control surface (14) is mounted on the outboard side of a contoured boom (13) situated at each wingtip. The exact size and location of the control surfaces (14) are determined by...

대표
청구항

A flight control device for an airplane having a fuselage and fixed wings each including an associated aileron comprising: an aerodynamically configured boom attached to and extending along the outer tip of each said wing and terminating beyond the leading edge of said wing; a single movable aerodynamic surface of airfoil contour attached to each said boom adjacent the forward end thereof so as to be disposed ahead of the leading edge of the associated wing and lying in a plane substantially parallel to the plane of said wing; and a mechanism operatively...

이 특허를 인용한 특허 피인용횟수: 45

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  13. Werthmann, Vitalij; Kordt, Michael. Concept of a variable winglet for lateral load reduction for combined lateral and vertical load reduction, and for improving the performance of means of locomotion. USP2014068757555.
  14. Guida, Nicholas R.. Controllable airflow modification device periodic load control. USP2017029567066.
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  18. Schweiger, Johannes. Fluid dynamically effective surface for minimizing induced resistance. USP2009107597285.
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  27. Guida, Nicholas R.. Multiple controllable airflow modification devices. USP2018059969487.
  28. Roman, Dino L.; Vassberg, John C.; Friedman, Douglas M.; Malachowski, Adam P.; Vegter, Christopher A.. Performance-enhancing winglet system and method. USP2015018936219.
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  30. Wakayama,Sean R.. Reconfiguration control system for an aircraft wing. USP2008117455264.
  31. Gratzer, Louis B.. Split blended winglet. USP20190410252793.
  32. Gratzer, Louis B.. Split blended winglet. USP20181010106247.
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  34. Clark, Walter D.. System and method for controlling an aircraft. USP2003116641086.
  35. McDonnell,William R.. Use of aerodynamic forces to assist in the control and positioning of aircraft control surfaces and variable geometry systems. USP2008097424988.
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  37. Zaman, AbuMuhammed A.. Wing tip device for an aircraft wing. USP2016129511850.
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  39. Najmabadi, Kioumars; Shivitz, William F.; Coleman, Edward Ernest; Ho, John Koon-hung; Johnson, Richard D.; Carver, William F.; Grubb, David W.; McIntosh, Robert James. Wing-body load alleviation for aircraft. USP2011098024079.
  40. Voss, Ursula; Rocker, Joel. Wing/fuselage connection of an aircraft. USP2015038991762.
  41. Bray, Robert M. Winglet. USP2011087988099.
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