Monitoring compressor performance in a refrigeration system
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United States of America Patent
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Oct 6, 2009
Grant Date -
Apr 26, 2007
app pub date -
Oct 21, 2005
filing date -
Oct 21, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A method for monitoring compressor performance in a refrigeration system includes calculating an isentropic efficiency of a compressor of the refrigeration system, averaging isentropic efficiency over a predetermined period, comparing the average to an efficiency threshold, and detecting a compressor malfunction based on the comparison. The method may be executed by a controller or stored in a computer-readable medium.
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