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Method and apparatus for optimizing refrigeration systems

  • US 8,046,107 B2
  • Filed: 09/23/2009
  • Issued: 10/25/2011
  • Est. Priority Date: 12/09/2002
  • Status: Expired due to Fees
First Claim
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1. A method for controlling operation of a refrigeration system having an evaporator and a refrigerant accumulator within the refrigeration system, comprising:

  • measuring evaporator performance during operation with respect to refrigerant level;

    defining an inner control loop for controlling a rate of supply of liquid refrigerant to the evaporator; and

    defining an outer control loop which controls a partitioning of refrigerant between the evaporator and the refrigerant accumulator, to selectively alter a refrigerant level in the evaporator, said refrigerant level being altered based on at least the measured evaporator performance during operation.

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