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Method and apparatus for monitoring a lubricant

  • US 6,032,100 A
  • Filed: 03/25/1998
  • Issued: 02/29/2000
  • Est. Priority Date: 06/22/1995
  • Status: Expired due to Term
First Claim
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1. An apparatus for detecting an impending wear event in a machine before its actual onset by monitoring a lubricant in a machine, the apparatus comprising a sensor for producing a signal representing electrostatic activity in a machine lubricant, and a signal processor for processing the signal from the sensor to detect an electrostatic activity precursor indicative of an impending wear event in the machine.

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