Bicycle motor hub
US8944205B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 10, 2011 |
| Grant date | Feb 3, 2015 |
| Priority date | — |
| Expiry date | Jul 4, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K7/14
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A hub electric motor unit for a motor-driven or motor-assisted vehicle, the vehicle comprising a frame, a wheel having a hub and a wheel rim connected to the hub by a plurality of spokes; the hub electric motor unit comprising a shaft connectable to the frame of the vehicle, a stator unit mounted on the hub shaft, a rotor disposed around and coaxially with the hub shaft; a hub shell rotatably mounted on the hub shaft, wherein the hub shell comprises two cap members axially disposed on respective sides of the rotor; wherein each cap member comprises a connecting part for connecting a respective subset of the spokes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.