Variable hub-to-hub phasing rotor system

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United States of America Patent

PATENT NO 9889927
SERIAL NO

14174004

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An aircraft includes a first rotor assembly, a second rotor assembly, and a rotor phase angle control system. The system includes a phase adjustor operably associated with the first rotor assembly and the second rotor assembly. The method includes sensing vibrations exerted on the aircraft and offsetting a phase angle of the first rotor assembly and the second rotor assembly to minimize the vibrations.

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Patent Owner(s)

Patent OwnerAddress
BELL HELICOPTER TEXTRON INCP O BOX 482 FORT WORTH TX 76101

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Drennan, J Scott Dallas, US 4 11
Modrzejewski, Brian Keller, US 5 44
Popelka, David Colleyville, US 10 141
Rinehart, Michael E Euless, US 16 80
Shundo, Ken Keller, US 15 67
Stamps, Frank B Colleyville, US 151 1667

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