Ketone-containing working fluid for refrigerating cycle equipment and refrigerating cycle equipment having the same
US6197211A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 20, 1999 |
| Grant date | Mar 6, 2001 |
| Priority date | — |
| Expiry date | Apr 20, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/50
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
There is disclosed a working fluid for refrigerating cycle equipment of refrigerant compression-type containing the refrigerant and a refrigeration lubricant for a refrigerator, wherein said refrigerant comprises a hydrocarbon having 2 to 4 carbon atoms and no halogen atom and said refrigeration lubricant comprises, as a main component, a ketone compound which is incompatible with said refrigerant. This working fluid demonstrates preferable performance even if the amount of the refrigerant is small.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.