Wireless power transfer system and a load apparatus in the same wireless power transfer system
US8531059B2 · kind B2 · utility
27Cited by
1References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 16, 2009 |
| Grant date | Sep 10, 2013 |
| Priority date | — |
| Expiry date | Nov 6, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J7/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
In wireless power transfer with applying magnetic resonance therein, for suppressing deterioration of transfer efficiency, with lessening fluctuation of the resonance frequency when a distance between coils is close to, coils are so position that a supply-side power supply coil 101 and a load-side power supply coil 102 are inserted between a supply-side magnetic resonance coil 1 and a load-side magnetic resonance coil 2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.