Refrigerating machine oil composition, and refrigeration and compressor using the refrigerating machine oil composition
US6176094A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 8, 1998 |
| Grant date | Jan 23, 2001 |
| Priority date | — |
| Expiry date | Sep 8, 2018 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25B31/002
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a refrigerating machine oil composition, which is composed of a base oil as a main component containing a single component of a compound or a mixture of compounds selected from the group consisting of cyclic carbonates and aliphatic carbonate derivatives. For example, the refrigerating machine oil composition is characterized by that the single component of a compound or the mixture of compounds selected from the group consisting of cyclic carbonates and aliphatic carbonate derivatives are expressed by the following general chemical formulas for cyclic carbonates (1) and aliphatic carbonate derivatives (2): ##STR1## PA1 (R.sub.1, R.sub.2 in the formula (1) respectively and independently express a hydrogen atom or a fluorine atom or an alkyl having a carbon number of 1 to 4, or a perfluoroalkyl having a carbon number of 1 to 3. Therein, R.sub.1 and R.sub.2 may be the same or different from each other. R.sub.3, R.sub.4 in the formula (2) respectively and independently express an alkyl having a carbon number of 1 to 4 or a perfluoroalkyl having a carbon number of 1 to 3. Therein, R.sub.3 and R.sub.4 may be same or different from each other.) An object …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.