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Method and apparatus for monitoring the quality of lubricant

  • US 20050082472A1
  • Filed: 09/16/2004
  • Published: 04/21/2005
  • Est. Priority Date: 08/01/2003
  • Status: Abandoned Application
First Claim
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1. A method of monitoring the quality of lubricant that is in a gear mechanism or machine and that contains effective materials, said method including the steps of:

  • withdrawing from the gear mechanism or machine a sample of said lubricant or of vapor that escapes from said lubricant, conveying a sample of the vapor escaping from the lubricant to an ion mobility spectrometer, analyzing materials of said sample that are present in a vapor phase above said lubricant, and comparing a change of content and type of analyzed materials in said sample to predetermined materials in a vapor phase of virgin lubricant, and using such comparison as an actual condition for an aging of said lubricant.

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