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특허 상세정보

Tilt outboard wing for tilt rotor aircraft

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B64C-027/28    B64C-015/12    B64C-003/50   
미국특허분류(USC) 244/007.C; 244/012.4; 244/213; 244/215
출원번호 UP-0505025 (2006-08-15)
등록번호 US-7802754 (2010-10-21)
발명자 / 주소
대리인 / 주소
    Fish & Associates, PC
인용정보 피인용 횟수 : 6  인용 특허 : 13
초록

Tilt-rotor aircraft experience increased efficiency and fuel economy by including wing extensions outboard of the tilting nacelles. Stall and buffeting during conversion from rotor-born hover to wing-born forward flight are reduced to an acceptable level using wide chord flaps deflected upwards by at least 15-20°, preferably in combination with leading edge slats. The outboard wing or wing portion preferably has a span at least 25-40% of a span of the inboard section, and a total surface area at least 10-20% the total surface area of the correspondi...

대표
청구항

The invention claimed is: 1. An improved method of transitioning between a forward cruise flight mode and a take-off and landing mode in a rotorcraft having a port wing and a starboard wing, each wing having an inboard section and a tilting outboard section disposed outboard of the inboard section, each outboard section having a leading edge slat and a trailing edge flap, the improvement comprising: deflecting the trailing edge flaps on the outboard sections together in an upward direction such that the flaps are deflected during transition from take-of...

이 특허에 인용된 특허 (13)

  1. Dornier ; Jr. ; deceased Claudius (Viehrutenweg 3 late of Hochstadt DEX) Dornier-Tiefenthaler ; legal representative by Martine (Viehrutenweg 3 D-8031 Hochstadt DEX) Windischbauer Florian (Buerlinsha. Aircraft with engine pods tiltable about a transverse axis. USP1992035096140.
  2. MacKay James K. L. (Columbus OH). Boundary layer control device for tilt rotor configuration. USP1993085236149.
  3. Shenk, Barth W.. Compound tilting wing for high lift stability and control of aircraft. USP2003126659394.
  4. Krysinski, Tomasz; Ferrer, Rogelio; Manfredotti, Thomas; Magre, Eric; Klein, Jean-Marc. Convertible aircraft with tilting rotors. USP2003086607161.
  5. Santino Pancotti IT. Convertiplane. USP2002046367736.
  6. Del Campo Aguilera Juan (Avenida de Baviera 4. 28028 Madrid ESX). Equipment carrying remote controlled aircraft. USP1994035289994.
  7. Schmittle Hugh (Westminster MD). Free wing aircraft having a free wing used as an air brake to shorten roll-out following touchdown. USP1996045509623.
  8. Flanigan,Kenneth Warren. Gas-powered tip-jet-driven tilt-rotor compound VTOL aircraft. USP2006127147182.
  9. Liu John ; McVeigh Michael A. ; Mayer Robert J.. Pivoting spanwise-flow redirector for tiltrotor aircraft. USP2000126161800.
  10. Kress Robert W. (Saugerties NY). Tilt wing VTOL aircraft. USP1995045405105.
  11. Burrage, Robert Graham. Tilt-rotor aircraft. USP2009097584923.
  12. Baldwin, G. Douglas. Vertical lift flying craft. USP2004086783096.
  13. Einarsson, Einar. Vertical takeoff and landing aircraft. USP2005056896221.