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Refrigerating apparatus

  • US 20020108395A1
  • Filed: 04/16/2002
  • Published: 08/15/2002
  • Est. Priority Date: 09/20/1994
  • Status: Active Grant
First Claim
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1. A refrigerator comprising a scroll compressor, a condenser, a mixed refrigerant containing at least R-125 and R-143a, and a refrigerator oil composed of ester oil, the refrigerator further comprising:

  • a liquid injection piping connecting downstream of said condenser to said scroll compressor, expansion equipment provided in said liquid injection piping, an electromagnetic valve provided upstream of said expansion equipment in said liquid injection piping, and a strainer provided upstream of said electromagnetic valve.

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