Dual frequency hub mounted vibration suppressor system
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United States of America Patent
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Dec 30, 2014
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app pub date -
Feb 22, 2013
filing date -
Mar 20, 2008
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Abstract
A vibration suppressor system includes an annular electric motor system which independently controls rotation of at least two masses about the axis of rotation to reduce in-plane vibration of the rotating system. A method of reducing vibrations in a rotary-wing aircraft includes independently controlling a relative angular position of a multiple of independently rotatable masses to reduce vibrations of a main rotor system.
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