Composition containing coolant, heat transfer medium and heat cycle system
US11352535B2 · kind B2 · utility
1Cited by
3References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 18, 2019 |
| Grant date | Jun 7, 2022 |
| Priority date | — |
| Expiry date | Apr 18, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2205/40
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
The present disclosure provides a composition comprising a refrigerant characterized by having a low GWP, low flammability, a COP equivalent to that of R410A, and a refrigerating capacity almost equivalent to that of R410A. Specifically, the present disclosure provides a composition comprising a refrigerant, the refrigerant comprising CO2 (R744), hexafluoropropene (FO-1216), and at least one compound A selected from the group consisting of trifluoroethylene (HFO-1123), trans-1,2-difluoroethylene [(E)-HFO-1132], cis-1,2-difluoroethylene [(Z)-HFO-1132], fluoroethylene (HFO-1141), and 3,3,3-trifluoropropyne (TFP).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.