Refrigerating machine oil, and working fluid composition for refrigerating machines
US10626344B2 · kind B2 · utility
0Cited by
4References
7Claims
0Family size
Assignee
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Key dates
| Filing date | Mar 12, 2018 |
| Grant date | Apr 21, 2020 |
| Priority date | — |
| Expiry date | May 31, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2030/70
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention provides a refrigerating machine oil comprising a base oil; a sulfide compound; and an orthophosphoric acid ester, wherein a content of the sulfide compound is 0.01 to 2.0% by mass and a content of the orthophosphoric acid ester is 0.1 to 5.0% 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.