Cooling system for an electric machine
US11942825B2 · kind B2 · utility
1Cited by
6References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 12, 2022 |
| Grant date | Mar 26, 2024 |
| Priority date | — |
| Expiry date | Jun 27, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K11/33
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Systems and methods for cooling an electric motor in an electric drive unit are provided. In one example, the electric motor includes a stator and an inverter power module positioned within a motor housing. The inverter power module forms an interface with a peripheral surface of an outer section of stator laminations of the stator, and the stator laminations include a plurality of cutouts forming axially extending oil ducts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.