Refrigerating machine oil and working fluid composition for refrigerating machine
US9365760B2 · kind B2 · utility
6Cited by
2References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 8, 2014 |
| Grant date | Jun 14, 2016 |
| Priority date | — |
| Expiry date | Jan 8, 2034 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25B31/002
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention provides a refrigerating machine oil comprising: a base oil; a sulfide compound; and a gallate, wherein a content of the sulfide compound is 0.01 to 2.0% by mass and a content of the gallate is 10 to 500 ppm by mass based on a total amount of the refrigerating machine oil, and the refrigerating machine oil having a kinematic viscosity at 40° C. of 3 to 500 mm2/s.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.