Electrical machine of a turbomachine comprising a rotor cooled by a cooling channel
US11316394B2 · kind B2 · utility
2Cited by
2References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 14, 2018 |
| Grant date | Apr 26, 2022 |
| Priority date | — |
| Expiry date | Jun 22, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K2209/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention relates to an electrical machine comprising a stator (1) and a rotor (2) designed to be rotated in relation to each other, said rotor (2) or said stator comprising a plurality of permanent magnets (5), at least one permanent magnet comprising at least one fluid-propagation channel (10) extending longitudinally inside the permanent magnet, the propagation channel comprising a fluid inlet and a fluid outlet, the fluid inlet being bell-mouthed and oriented in a preferential direction of rotation of the permanent magnet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.