Composition for cooling and lubricating a propulsion system of an electric or hybrid vehicle
US11525099B2 · kind B2 · utility
0Cited by
4References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 2, 2019 |
| Grant date | Dec 13, 2022 |
| Priority date | — |
| Expiry date | Jul 2, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/70
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to the use, for cooling and lubricating a propulsion system of an electric or hybrid vehicle, of a composition comprising: (i) at least one base oil; and (ii) at least one diester of formula Ra—C(O)—O—([C((R)2)]n—O)s—C(O)—Rb (I), different than the base oil (i).The invention also relates to a method of cooling and lubricating a propulsion system of an electric or hybrid vehicle comprising at least one step of bringing at least one mechanical component of said system into contact with a composition as defined above.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.