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Monitoring compressor performance in a refrigeration system

  • US 20070089440A1
  • Filed: 10/21/2005
  • Published: 04/26/2007
  • Est. Priority Date: 10/21/2005
  • Status: Active Grant
First Claim
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1. A method comprising:

  • calculating an isentropic efficiency of a compressor of a refrigeration system;

    averaging said isentropic efficiency over a predetermined period;

    comparing said average to an efficiency threshold; and

    detecting a compressor malfunction based on said comparison.

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