Apparatus to predict fan wear-out and impending failure and method of manufacturing the same
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United States of America Patent
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May 31, 2011
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app pub date -
Oct 14, 2008
filing date -
Oct 14, 2008
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Abstract
An apparatus for predicting fan wear-out and impending failure and a method of manufacturing the same. One embodiment provides for (1) a lookup table containing expected fan speeds at given duty cycles; and (2) a processor for comparing a measured fan speed at a given duty cycle with an expected fan speed at the given duty cycle, the processor generating a predicted fan wear-out and impending failure.
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