Motor stator back-iron cooling through internal channels
US11218050B2 · kind B2 · utility
2Cited by
0References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 6, 2019 |
| Grant date | Jan 4, 2022 |
| Priority date | — |
| Expiry date | Feb 16, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K1/182
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A motor stator includes a plurality of stacked annular stator laminates defining a stator core having a plurality of stator teeth on an inner diameter thereof, at least some of the plurality of stator laminates including a plurality of coolant openings therethrough. The plurality of coolant openings of adjacent stator laminates communicate with one another in order to define cooling channels inside the stator core. At least some of the plurality of stator laminates include the plurality of coolant openings including a plurality of generally circumferentially extending slots.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.