Stack of laminations for a stator having cooling channels
US12074506B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 20, 2021 |
| Grant date | Aug 27, 2024 |
| Priority date | — |
| Expiry date | Jan 28, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K5/203
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electric machine system is provided. The system includes a stack of a plurality of stator laminations with at least a portion of the plurality of stator laminations each including a plurality of holes that are arranged radially outward from a plurality of teeth, where the plurality of holes include a first set of holes, a second set of holes, and a third set of holes, where the first, second, and third sets of holes has a different profile and/or area, where the second set of holes are positioned radially inward from the third set of holes; and where a plurality of oil channels are formed by an alignment of holes in adjacent stator laminations in the portion of the plurality of stator laminations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.