Electric motor and gear drive assembly for driving a vehicle wheel
US7458433B2 · kind B2 · utility
10Cited by
18References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 31, 2003 |
| Grant date | Dec 2, 2008 |
| Priority date | — |
| Expiry date | Dec 2, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S903/906
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A drive unit assembly for a vehicle wheel includes a rigidly mounted electric motor coupled to the vehicle wheel via a gear drive. The gear drive includes a cycloid or epicycloid gear arrangement that provides significant speed reduction at the wheel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.