Lubricants for electric and hybrid vehicle applications
US11512263B2 · kind B2 · utility
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15References
17Claims
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Assignee
Inventor
Key dates
| Filing date | Jul 1, 2021 |
| Grant date | Nov 29, 2022 |
| Priority date | — |
| Expiry date | Jul 1, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/16
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present disclosure relates to methods of lubricating an electric or a hybrid-electric transmission using a lubricant including a solvent system with a blend of one or more base oils with a branched diester and one or more poly(meth)acrylate copolymers, transmissions therefor, and lubricating compositions suitable for such applications that exhibit good lubricant properties, good electrical properties, and good cooling efficiency at the same time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.