Active force generation system for minimizing vibration in a rotating system
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United States of America Patent
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Sep 20, 2011
Grant Date -
May 7, 2009
app pub date -
Jan 13, 2009
filing date -
Oct 14, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method and device for reducing vibratory noise in a system with an integral rotating member includes independently operable drive systems for controlling the angular velocity of at least two independently rotatable masses. Control signals manipulate the drive system to rotate each mass at optimal speed, direction and phase to reduce noise induced in the system by the rotating member.
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