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1. EP2735597 - WORKING FLUID FOR HEAT CYCLE AND HEAT CYCLE SYSTEM

Note: Text based on automatic Optical Character Recognition processes. Please use the PDF version for legal matters

[ EN ]
Claims

1. A working medium for heat cycle, which comprises 1,1-dichloro-2,3,3,3tetrafluoropropene.
  2. The working medium for heat cycle according to Claim 1, which further contains a hydrocarbon.
  3. The working medium for heat cycle according to Claim 1 or 2, which further contains a hydrofluorocarbon.
  4. The working medium for heat cycle according to any one of Claims 1 to 3, wherein 1,1-dichloro-2,3,3,3-tetrafluoropropene is contained in a content of at least 60 mass% in the working medium for heat cycle (100 mass%).
  5. The working medium for heat cycle according to any one of Claims 2 to 4, wherein the hydrocarbon is contained in a content of from 1 to 40 mass% in the working medium for heat cycle (100 mass%).
  6. The working medium for heat cycle according to any one of Claims 3 to 5, wherein the hydrofluorocarbon is contained in a content of from 1 to 60 mass% in the working medium for heat cycle (100 mass%).
  7. The working medium for heat cycle according to any one of Claims 2 to 6, wherein the hydrocarbon is propane, butane or isobutane.
  8. The working medium for heat cycle according to any one of Claims 3 to 7, wherein the hydrofluorocarbon is difluoromethane, 1,1-difluoroethane, 1,1,2,2-tetrafluoroethane, 1,1,1,2-tetrafluoroethane or pentafluoroethane.
  9. A heat cycle system employing the working medium for heat cycle as defined in any one of Claims 1 to 8.