Patent ID: 11939515
Assignee: DAIKIN INDUSTRIES, LTD.
Field: Basic materials chemistry (Chemistry)
Classification: CPC C  F | IPC C  F

Claim 7:
8. A composition comprising a refrigerant, the refrigerant comprising difluoromethane (HFC-32), 2,3,3,3-tetrafluoropropene (HFO-1234yf), and at least one of 1,1-difluoroethylene (HFO-1132a) and tetrafluoroethylene (FO-1114), wherein
the refrigerant comprises HFC-32, HFO-1234yf, and HFO-1132a, and
when the mass % of HFC-32, HFO-1132a, and HFO-1234yf based on their sum in the refrigerant is respectively represented by x, y, and z, coordinates (x,y,z) in a ternary composition diagram in which the sum of HFC-32, HFO-1132a, and HFO-1234yf is 100 mass % are within the range of a triangular region surrounded by line segments RS, ST, and TR that connect the following 3 points:
point R (21.80, 3.95, 74.25),
point S (21.80, 3.05, 75.15), and
point T (20.95, 75.30, 3.75),
or on the line segments.