Efficient and robust wireless energy transfer
US9368974B2 · kind B2 · utility
0Cited by
0References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 3, 2011 |
| Grant date | Jun 14, 2016 |
| Priority date | — |
| Expiry date | Sep 15, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F38/14
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method or apparatus for wireless transferring energy between a source coil and a drain coil, comprises selling an initial resonant frequency of the source coil as a first condition; setting the source coil and said drain coil in positions relative to each other to define an initial coupling coefficient therebetween, so that the initial coupling coefficient comprises a second condition; and adiabatically changing one or both of the conditions while pumping energy into the source coil. The source coil energy is transferred to the drain coil over the course of the adiabatic change.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.