Fan monitoring for failure prediction

Details Fan monitoring for failure prediction Fan monitoring for failure prediction

2006-11-28

2006-11-28

Wu, Daniel (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S648000, C340S679000, C310S052000, C310S053000, C310S054000, C310S055000, C310S056000, C310S057000, C310S058000, C318S434000, C318S538000, C318S539000, C318S540000, C318S541000, C318S542000, C361S023000, C361S030000, C361S031000, C417S016000, C417S032000, C417S042000, C417S423100, C417S423700

Reexamination Certificate

active

07142125

ABSTRACT:
A method for monitoring a fan comprises measuring power usage of the fan, determining a derivative of the measured fan power usage, tracking the derivative over time, and predicting impending fan failure based on the tracked fan power usage derivative.

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patent: 5831405 (1998-11-01), Massie
patent: 6262549 (2001-07-01), Yang et al.
patent: 6956344 (2005-10-01), Robertson et al.
patent: 2004/0201279 (2004-10-01), Templeton

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