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Determination of remaining useful life of gas turbine blade

  • US 20070272018A1
  • Filed: 05/24/2006
  • Published: 11/29/2007
  • Est. Priority Date: 05/24/2006
  • Status: Active Grant
First Claim
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1. A system for indicating a need for replacement of a vibrating structure comprising:

  • a sensor arranged to sense a frequency of vibration of the vibrating structure;

    an indicator that is controlled to provide an indication of the need for replacement of the vibrating structure; and

    ,a processor that compares the frequency of vibration of the vibrating structure to data that relates the vibration frequency of the vibrating structure to fatigue damage of the vibrating structure and to control the indicator based on the comparison.

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