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특허 상세정보

Unmanned aerial vehicle with counter-rotating ducted rotors and shrouded pusher-prop

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B64C-029/00   
미국특허분류(USC) 244/012.3 ; 244/012.2 ; 244/023A
출원번호 US-0296624 (1999-04-22)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Seidel, Gonda, Lavorgna & Monaco, PC
인용정보 피인용 횟수 : 89  인용 특허 : 18
초록

An unmanned aerial vehicle that includes a fuselage with a partial toroidal forward portion, and an aft portion. A duct is formed through the fuselage and extends from the top to the bottom of the fuselage. Two counter-rotating rotor assemblies are mounted within the duct for providing downward thrust through the duct. The rotor assemblies are supported by a plurality of support struts. At least one engine is mounted within the fuselage and engages with the rotor assemblies. A pusher prop assembly is mounted to the aft portion of the fuselage. The pusher...

대표
청구항

[ What is claimed is:] [1.]1. An unmanned aerial vehicle comprising:a fuselage having a partial toroidal forward portion, an aft portion, a top surface, a bottom surface and a duct extending between the top and bottom surfaces, the fuselage having a longitudinal axis;two counter-rotating rotor assemblies mounted within the duct;a plurality of support struts for supporting the rotor assemblies within the duct;at least one engine for rotating the rotor assemblies;a pusher prop assembly mounted to the aft portion of the fuselage in longitudinal alignment wi...

이 특허에 인용된 특허 (18)

  1. Mutrux Jean L. (6 Sumac La. St. Louis MO 63124). Aircraft. USP1980044196877.
  2. Flemming ; Jr. Robert J. (Trumbull CT) Rosen Kenneth M. (Guilford CT) Sheehy Thomas W. (Hamden CT). Ancillary aerodynamic structures for an unmanned aerial vehicle having ducted, coaxial counter-rotating rotors. USP1995055419513.
  3. Cycon James P. (Orange CT) Kohlhepp Fred W. (Hamden CT) Millea Vincent F. (Stratford CT). Coaxial transmission/center hub subassembly for a rotor assembly having ducted, coaxial counter-rotating rotors. USP1994105351913.
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  5. Cycon James P. (Orange CT) Millea Vincent F. (Stratford CT) Kohlhepp Fred W. (Hamden CT) Hansen Bruce D. (Shelton CT). Drive train assembly for a rotor assembly having ducted, coaxial counter-rotating rotors. USP1993075226350.
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  12. Valverde Rene L. (4405 Toledo St. Coral Gables FL 33146). Turbocraft. USP1991085039031.
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  18. Clifton Robert T. (Houston TX) Cook Woodrow L. (Lake Almanor Peninsula CA). Vertical/short take-off and landing aircraft. USP1989054828203.

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