Electric machine powered by exciting armature
US9995308B2 · kind B2 · utility
0Cited by
7References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 28, 2012 |
| Grant date | Jun 12, 2018 |
| Priority date | — |
| Expiry date | Sep 9, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B30/70
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention relates to an electric rotary machine including: a shaft of a rotor rotating about an axis, a fan carried by the shaft of the rotor, and a motor for driving the fan, allowing modulation of the relative rotational speed of the fan in relation to the shaft of the rotor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.