Rotor of electrical rotating machine
US10978924B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 20, 2016 |
| Grant date | Apr 13, 2021 |
| Priority date | — |
| Expiry date | Jul 20, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K1/30
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A rotor of an electrical rotating machine includes: a rotor shaft; a cylindrical sleeve externally fitted to the rotor shaft and extending in an axial direction X; and a plurality of permanent magnets serving as field magnets, the plurality of permanent magnets being provided between the rotor shaft and the sleeve in a radial direction and retained by the sleeve around the rotor shaft. The sleeve is formed by a plurality of short sleeves arranged in the axial direction X, and end portions of the short sleeves that are adjacent to each other, the end portions being butted together in the axial direction X, are mechanically joined together in a torque-transmittable manner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.