Permanent magnet rotating electric machine
US6462451B1 · kind B1 · utility
9Cited by
6References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 27, 2001 |
| Grant date | Oct 8, 2002 |
| Priority date | — |
| Expiry date | Feb 27, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K21/16
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention provides a permanent magnet rotating electric machine comprising a stator, a rotor having a rotor core and permanent magnets inserted into the rotor core, wherein the permanent magnets are shaped like an arc convex toward the stator and a flat surface facing toward the stator is provided at a tip end portion of each of the teeth of the stator. With such configuration, the distortion factor of the waveform of an induced voltage in the permanent magnet rotating electric machine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.