Interior permanent magnet motor
US10833546B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Oct 26, 2018 |
| Grant date | Nov 10, 2020 |
| Priority date | — |
| Expiry date | May 24, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K2213/03
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An internal permanent magnet motor may include a stator of a annular shape, and a rotor coaxially disposed inside the stator by positioned between a gap between the rotor and the stator and having a plurality of permanent magnets embedded therein and spaced from each other in a circumferential direction along a circumference of the rotor, wherein the stator has a plurality of first notches formed on an internal circumferential surface facing the rotor in a height direction perpendicular to the circumferential direction thereof, and the rotor has a plurality of second notches formed on an external circumferential surface facing the stator in a height direction perpendicular to the circumferential direction thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.