Composition for heat cycle system, and heat cycle system
US10196552B2 · kind B2 · utility
5Cited by
2References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 29, 2016 |
| Grant date | Feb 5, 2019 |
| Priority date | — |
| Expiry date | Jul 29, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25B2500/222
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
To provide a composition for a heat cycle system having less influence over the ozone layer, having a low global warming potential and having excellent durability, and a heat cycle system.A composition for a heat cycle system comprising a working fluid containing trifluoroethylene and difluoromethane, and a lubricating oil, wherein the interaction distance (Ra1123) between trifluoroethylene and the lubricating oil as determined from the Hansen solubility parameters is shorter than the interaction distance (Ra32) between difluoromethane and the lubricating oil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.