Polyphase electric motor especially for driving pumps or ventilators
US8102093B2 · kind B2 · utility
14Cited by
3References
30Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 28, 2007 |
| Grant date | Jan 24, 2012 |
| Priority date | — |
| Expiry date | Jun 27, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K21/16
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A polyphase motor, for example for applications for driving pumps or ventilators in the automobile industry, including a stator part excited by electric coils and a rotor exhibiting N pairs of poles that are magnetized radially in alternate senses, the stator part exhibiting wide teeth and narrow teeth extending radially from an annular ring. The wide teeth carry the coil windings and the distance between a wide tooth and a narrow tooth is greater than the width of a narrow tooth.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.