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Brush holder assembly monitoring apparatus, assembly, system and method

DC
  • US 10,249,999 B2
  • Filed: 01/24/2017
  • Issued: 04/02/2019
  • Est. Priority Date: 05/24/2007
  • Status: Active Grant
First Claim
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1. A method of monitoring a brush holder assembly of an electrical device including a carbon brush, the carbon brush of the brush holder assembly being in contact with a rotating conductive surface, the brush holder assembly permitting linear movement of the carbon brush toward the rotating conductive surface as the carbon brush wears, the method comprising:

  • acquiring data indicative of linear displacement of the carbon brush relative to the brush holder assembly; and

    evaluating the data to estimate a remaining life expectancy of the carbon brush.

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