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Method for predicting life of rotary machine and determining repair timing of rotary machine

  • US 6,865,513 B2
  • Filed: 03/21/2002
  • Issued: 03/08/2005
  • Est. Priority Date: 03/23/2001
  • Status: Expired due to Fees
First Claim
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1. A method for predicting life of rotary machine comprising:

  • reading a load recipe of loading conditions of a rotary machine;

    determining whether changes exist for said loading conditions by comparing said load recipe with an already existing load recipe for the process;

    employing an already existing determination reference if no changes exist for said loading conditions, and reading in and employing a determination reference accommodating said process conditions if changes exist for said loading conditions instead of said already existing determination reference;

    processing time series data by reading in detected characterizing feature data for said rotary machine, which correspond to said determination reference; and

    calculating life expectancy of said rotary machine in conformity with said time series data and said detennination reference.

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