Rotating machine active balancer and method of dynamically balancing a rotating machine shaft with torsional vibrations
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United States of America Patent
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May 18, 2010
Grant Date -
Jan 12, 2006
app pub date -
Jul 11, 2005
filing date -
Jul 12, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
An active balancer for dynamically balancing a rotating machine is provided. The active balancer has a balancer body which rotates with the rotating machine and at least one controllable position counter weight having a real-time adjustable position relative to the balancer body and the rotating machine inorder to produce an actively adjustable controllable counter weight balance force for dynamically balancing the rotating machine. The active balancer includes a spring with the balancer body mounted to the rotating machine through the spring wherein the balancer body mass resonates on the spring with a torsional vibration canceling frequency which cancels a torsional vibration of the rotating machine.
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