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Turbomachine lubricating oil analyzer system, computer program product and related methods

  • US 9,354,221 B2
  • Filed: 04/29/2013
  • Issued: 05/31/2016
  • Est. Priority Date: 04/29/2013
  • Status: Active Grant
First Claim
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1. A system comprising:

  • at least one computing device configured to monitor a lubrication oil by performing actions including;

    determining, by a processor, an initial ideal remaining life for the lubrication oil;

    determining a temperature-based remaining life for the lubrication oil based upon a temperature measurement of the lubrication oil;

    calculating a contamination factor of the lubrication oil based upon a contamination sample of the lubrication oil,wherein the contamination factor is calculated based upon either;

    a measurement of at least one of the following properties of the lubrication oil;

    a ferrous particle count, a water content, a dielectric constant or an international organization for standardization (ISO) level particle count;

    or an averaged international organization for standardization (ISO) level particle count calculated from averaging a plurality of ISO level particle counts for the lubrication oil;

    determining an updated ideal life remaining for the lubrication oil based upon the contamination factor, the initial ideal remaining life, and the temperature-based remaining life; and

    determining an actual life remaining for the lubrication oil based upon the updated ideal life remaining and a life loss factor.

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