Electrically powered vehicles having motor and power supply contained within wheels
US6802385B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 16, 2002 |
| Grant date | Oct 12, 2004 |
| Priority date | — |
| Expiry date | May 16, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T90/16
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An electrically powered vehicle has a motor, controller and power supply contained within a wheel compartment. A cylindrical stator frame is fixed on the wheel axle, with an inner surface of the stator frame defining a space for housing the power supply and controller circuitry. A plurality of electromagnet stator segments are mounted on an outer surface of the stator frame. A cylindrical rotor frame is coupled to the axle through bearings. An inner surface of the rotor frame supports a plurality of permanent magnets that surround the stator segments to form a radial air gap therebetween. Mounted to the outer surface of the rotor frame by appropriate supporting structure is a vehicle tire.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.