Identifying degraded fans in datacenters
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United States of America Patent
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May 14, 2013
Grant Date -
Sep 29, 2011
app pub date -
Mar 29, 2010
filing date -
Mar 29, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A method for identifying a degraded fan measures acoustic data from an operating datacenter fan. A motor rotation frequency and a vane passing frequency are determined from the acoustic data. Amplitudes of the frequencies are determined from the acoustic data. If the amplitude of the motor rotation frequency is greater than the amplitude of the vane passing frequency, then it is determined that the fan is degraded.
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Family
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