Lubricant for compression type refrigerating machine and refrigeration system using the same
US8486871B2 · kind B2 · utility
1Cited by
12References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 4, 2008 |
| Grant date | Jul 16, 2013 |
| Priority date | — |
| Expiry date | Jul 2, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/30
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A lubricating oil for a compression-type refrigerator using a hydrofluorocarbon refrigerant including a polyvinyl ether-based compound containing in the molecule an alkylene glycol unit or a polyoxyalkylene glycol unit and a polyvinyl ether unit and having a molecular weight in the range of 300 to 3,000, and a refrigeration apparatus using the lubricating oil.The present invention can provide a lubricating oil for a compression-type refrigerator having good compatibility in the atmosphere of a hydrofluorocarbon and a high viscosity index, and a refrigeration apparatus using such a lubricating oil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.