Rotor of rotary electric machine
US12191713B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Dec 13, 2022 |
| Grant date | Jan 7, 2025 |
| Priority date | — |
| Expiry date | Jul 28, 2043 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/64
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
According to one embodiment, a rotor of a rotary electric machine is provided with a rotor iron core and a plurality of permanent magnets. The rotor iron core includes a plurality of magnetic poles, a plurality of magnet holding slots, an outer peripheral side iron core portion, an inner peripheral side iron core portion, a plurality of bridges passed between the outer peripheral side iron core portion and the inner peripheral side iron core portion, and a plurality of magnet holding protrusions extending from the middle of each of the bridges to each of the magnet holding slots for each of the magnetic poles. Each of the permanent magnets is accommodated in each of the magnet holding slots and is in contact with each of the magnet holding protrusions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.