Wireless high power transfer under regulatory constraints
US8729859B2 · kind B2 · utility
19Cited by
8References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 17, 2013 |
| Grant date | May 20, 2014 |
| Priority date | — |
| Expiry date | Jun 17, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T90/16
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Improved battery-charging system for a vehicle. Primary and secondary coils are located in places where the vehicle can receive power from the primary coil by pulling into a parking space, for example. The parking space may have a coil embedded in the ground, or may have an array of coils embedded in the ground. A guidance system is disclosed. Fine positioning is also disclosed. The secondary coil in the vehicle can also be raised or lowered to improve coupling.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.