Spindle motor
US8531066B2 · kind B2 · utility
0Cited by
3References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 23, 2011 |
| Grant date | Sep 10, 2013 |
| Priority date | — |
| Expiry date | Jun 9, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K5/1675
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A spindle motor includes a rotor including a rotary shaft and magnets, a stator including a bearing, which supports the rotary shaft, and an armature corresponding to the magnets. The rotor is caused to rotate by an electromagnetic force generated by the magnets and the armature. The stator includes a plate having a stepped portion in a portion thereof, which faces the rotary shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.