Rotorcraft autorotation control through electrical braking

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United States of America Patent

PATENT NO 11964771
APP PUB NO 20230312120A1
SERIAL NO

18306108

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Abstract

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A method of operating an electrically powered rotorcraft of the type having a fuselage and a set of N rotors driven by a set of electric motors and coupled to the fuselage, N≥4, under a failure condition preventing ordinary operation of the rotorcraft. The method includes entering a failsafe mode of operation wherein autorotation of at least four of the rotors is enabled. The method also includes using electrical braking associated with a selected group of the rotors to control pitch, roll and yaw of the rotorcraft.

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Patent Owner(s)

Patent OwnerAddress
SIFLY AVIATION INC907 LAURELES GRADE CARMEL VALLEY CA 93924

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bernstein, Jeffrey G Middleton, US 20 383
Hinman, Brian L Carmel Valley, US 58 2946
Javaid, Muhammad Mubeen Punjab, PK 3 1

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