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특허 상세정보

Coaxial transmission/center hub subassembly for a rotor assembly having ducted, coaxial counter-rotating rotors

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B64D-035/06   
미국특허분류(USC) 244/60 ; 244/122 ; 244/23C ; 244/34A
출원번호 US-0903065 (1992-06-22)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 37  인용 특허 : 0
초록

One embodiment of a coaxial transmission/center hub subassembly for a rotor assembly having ducted, coaxial counter-rotating rotors includes a single stage transmission, a transmission housing, and a center hub support structure that are structurally and functionally interactive. The transmission housing includes upper and lower standpipe housings secured in combination with a middle housing. The single stage transmission includes an input pinion gear rotatably mounted in combination with the middle housing, and upper and lower spiral bevel gears rotatab...

대표
청구항

A coaxial transmission/center hub subassembly for a rotor assembly of an aerial vehicle having ducted counter-rotating rotors defining a rotational axis for the aerial vehicle, the aerial vehicle having a toroidal fuselage with a plurality of inwardly extending radial struts and including an engine, the rotor assembly including upper and lower swashplate subassemblies, comprising: center hub support structure means for mounting said coaxial transmission/center hub assembly in fixed coaxial relation to the toroidal fuselage utilizing the plurality of inwa...

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  19. Cycon James P. ; Scott Mark Winfield ; DeWitt Christopher W.. Method of reducing a nose-up pitching moment on a ducted unmanned aerial vehicle. USP2001016170778.
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  27. Paul S. Moller. Stabilizing control apparatus for robtic or remotely controlled flying platform. USP2002096450445.
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  34. Zhang, Xianzhi. Unmanned aerial vehicle and fuselage thereof and method for manufacturing the fuselage. USP2017029567076.
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