Helicopters

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4347997
SERIAL NO

06133095

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A helicopter including a power absorber arranged to selectively absorb power from a sustaining rotor system during deceleration. In an illustrated embodiment for a helicopter having a single sustaining rotor, the power absorber comprises a tail rotor assembly having two tail rotors located one on each side of a tail cone, and a control operative to adjust the pitch setting of the tail rotors to provide lateral thrust forces in opposed directions with a net lateral thrust force in one direction in order to maintain a desired heading during deceleration.

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Patent Owner(s)

Patent OwnerAddress
WESTLAND AIRCRAFT LIMITEDYEOVIL SOMERSET

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Byham, Geoffrey M Yeovil, GB2 1 9
Smith, Ronald V Sherborne, GB2 6 68

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