Working fluid composition for refrigerating machine

Working fluid composition for refrigerating machine

  • CN 102,191,112 B
  • Filed: 03/14/2011
  • Issued: 07/06/2016
  • Est. Priority Date: 03/12/2010
  • Status: Active Grant
First Claim
Patent Images

1. a working fluid composition for refrigerating machine, it contains:

  • With refrigerator oil total amount for benchmark, content is the ester of more than 50 mass %, and it is the ester of fatty acid and polyhydric alcohol, and this fatty acid contains the fatty acid of the carbon number 5~

    7 with 1 methyl branch, and wherein, this ester dynamic viscosity at 40 DEG C is 15~

    100mm2/s;

    With,Cold-producing medium containing unsaturated fluorinated hydrocarbons.

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