Washer damper thereof, and control method thereof
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United States of America Patent
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Aug 19, 2008
Grant Date -
Sep 1, 2005
app pub date -
Feb 23, 2005
filing date -
Feb 23, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention provides a washer, damper thereof, and control method thereof, by which noise is reduced by adjusting a damping force of the damper in a manner of turning on/off power of the damper according to an oscillation frequency of a vibrating body such as a washer. The control method reduces noise by supplying power to a damper in an excessive vibration state of a vibrating body such as a washer or by cutting off the power supplied to the damper in a normal vibration state of the vibrating body.
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