Refrigerant cycle apparatus

A refrigerant cycle apparatus for freezing or cold storage comprising:

• a refrigerant circuit including a compressor, a radiator, a decompressing portion, and a heat absorber;
• and
• a refrigerant enclosed in the refrigerant circuit,
• wherein
• the refrigerant comprises trans-1,2-difluoroethylene (HFO-1132 (E)) and 2,3,3,3-tetrafluoropropene (HFO-1234yf), and
• a content rate of HFO-1132(E) is 31.1 to 39.8 mass % and a content rate of HFO-1234yf is 68.9 to 60.2 mass %, based on a total mass of HFO-1132(E) and HFO-1234yf.

A refrigerant cycle apparatus for freezing or cold storage comprising:

• a refrigerant circuit including a compressor, a radiator, a decompressing portion, and a heat absorber;
• and
• a refrigerant enclosed in the refrigerant circuit,
• wherein
• the refrigerant comprises trans-1,2-difluoroethylene (HFO-1132 (E)) and 2,3,3,3-tetrafluoropropene (HFO-1234yf), and
• a content rate of HFO-1132(E) is 21.0 to 28.4 mass % and a content rate of HFO-1234yf is 79.0 to 71.6 mass %, based on a total mass of HFO-1132(E) and HFO-1234yf.

A refrigerant cycle apparatus for freezing or cold storage comprising:

• a refrigerant circuit including a compressor, a radiator, a decompressing portion, and a heat absorber;
• and
• a refrigerant enclosed in the refrigerant circuit,
• wherein
• the refrigerant comprises trans-1,2-difluoroethylene (HFO-1132 (E)) and 2,3,3,3-tetrafluoropropene (HFO-1234yf),
• a content rate of HFO-1132(E) is 12.1 to 72.0 mass % and a content rate of HFO-1234yf is 87.9 to 28.0 mass %, based on a total mass of HFO-1132(E) and HFO-1234yf.