×

Health monitoring of power converter fans and electric motors

  • US 20090073731A1
  • Filed: 09/14/2007
  • Published: 03/19/2009
  • Est. Priority Date: 09/14/2007
  • Status: Abandoned Application
First Claim
Patent Images

1. A method for detecting a performance degradation of a fan in a power converter, the method comprising:

  • monitoring a speed of the fan;

    detecting the performance degradation of the fan based, at least in part, on the monitored speed; and

    generating a warning signal after detecting the performance degradation of the fan.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×