Integral fluid cooling of electrical machine
US11355976B2 · kind B2 · utility
0Cited by
2References
22Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 9, 2015 |
| Grant date | Jun 7, 2022 |
| Priority date | — |
| Expiry date | Jan 17, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K9/197
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention relates to a laminated stator stack for an electric machine comprising, a plurality of stator teeth and stator slots, for receiving at least one electrical conductor, at least one axial coolant duct, at least one outwards radial coolant duct and at least one inwards radial coolant duct, wherein the ducts are arranged internally in the laminated stator stack and interconnected to form a predominantly closed flow path, the outwards and inwards radial coolant ducts extent into the stator teeth, for cooling of the stator teeth, and the laminated stator stack comprises a plurality of lamination sheets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.