Drive element such as a driving wheel or a hoisting winch, the element comprising a synchronous motor
US6661137B2 · kind B2 · utility
32Cited by
32References
30Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 15, 2002 |
| Grant date | Dec 9, 2003 |
| Priority date | — |
| Expiry date | Feb 15, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/64
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention relates to a drive element such as a driving wheel for a goods-handling cart or the like, or such as a hoisting winch, the drive element comprising a wheel or a drum and an electric motor for rotating the wheel or the drum. The electric motor is a synchronous motor having a permanent-magnet rotor and a stator comprising teeth and respective individual windings on said teeth.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.