Interior permanent magnet type brushless direct current motor
US8405271B2 · kind B2 · utility
12Cited by
9References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 30, 2009 |
| Grant date | Mar 26, 2013 |
| Priority date | — |
| Expiry date | Jul 22, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K21/16
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An interior permanent magnet type brushless direct current (BLDC) motor includes a stator having a plurality of slots and a stator coil wound on the slots. The interior permanent magnet type brushless direct current (BLDC) motor also includes a rotor that rotates with respect to the stator and that has a rotor core and a plurality of permanent magnets positioned in the rotor core. The rotor has a notch that is cut off between adjacent permanent magnets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.