Armature for rotating electrical machine and manufacturing method thereof
US8164229B2 · kind B2 · utility
3Cited by
3References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 11, 2010 |
| Grant date | Apr 24, 2012 |
| Priority date | — |
| Expiry date | Sep 26, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K15/067
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An armature for a rotating electrical machine, the armature includes a cylindrical core having a plurality of longitudinally extending slots that are dispersedly arranged in a circumferential direction; and coils wound around the slots, wherein each of the slots is formed such that an inner circumferential opening thereof that is open radially inwardly is smaller in a circumferential width than a slot interior positioned on a radially outer side of the inner circumferential opening, and linear conductors forming the coils are each formed to be larger in the circumferential width than the inner circumferential opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.