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특허 상세정보

Unmanned flight vehicle including counter rotating rotors positioned within a toroidal shroud and operable to provide al

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B64C-029/00    B64C-039/06   
미국특허분류(USC) 244/122 ; 244/26 ; 244/1711
출원번호 US-0526092 (1990-05-18)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 59  인용 특허 : 0

An unmanned flight vehicle wherein two counter-rotating rotors are positioned within a toroidal fuselage and in which rotor pitch solely is utilized to generate all required lift, pitch, roll, yaw and vibration and stress control for the vehicle.


A flight vehicle comprising: a. a toroidal fuselage concentric about an axis, b. two counter-rotating bladed rotors located within said toroidal fuselage, c. means to position said rotors for rotation about an axis of rotation which is coincident with the fuselage axis, and d. means to totally control the motions of said vehicle in lift, pitch, roll and yaw in both hover and forward flight comprising: 1) means for applying both collective and cyclic pitch changes to the blades of said rotors so that the moments created by the rotors by the application of...

이 특허를 인용한 특허 피인용횟수: 59

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