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Transcritical Refrigeration With Pressure Addition Relief Valve

  • US 20080184717A1
  • Filed: 12/31/2005
  • Published: 08/07/2008
  • Est. Priority Date: 03/18/2005
  • Status: Abandoned Application
First Claim
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1. A cooler system comprising:

  • a compressor (22) for driving a refrigerant along a flow path in at least a first mode of system operation;

    a first heat exchanger (24) along the flow path downstream of the compressor in the first mode so as to act as a gas cooler;

    a second heat exchanger (28) along the flow path upstream of the compressor in the first mode so as to act as an evaporator to cool contents of an interior volume of the system;

    an expansion device (63) in the flow path downstream of the first heat exchanger (24) and upstream of the second heat exchanger (28); and

    a pressure addition relief valve (62) in parallel with the expansion device.

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