Wireless power transfer with load sharing receivers
US12206256B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Nov 10, 2020 |
| Grant date | Jan 21, 2025 |
| Priority date | — |
| Expiry date | Nov 10, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J50/90
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
This disclosure provides systems, devices, apparatus and methods, including computer programs encoded on storage media, for wireless power transmission. A wireless power receiving apparatus may be configured to combine power from multiple wireless power signals. In some implementations, the wireless power receiving apparatus may combine wireless power received from multiple secondary coils to provide a combined wireless power signal to a load, such as a battery charger or electronic device. In some implementations, each set of primary coil and secondary coil may utilize low power wireless power signals (such as 15 Watts or less) in accordance with a wireless charging standard. By combining power from multiple low power wireless power signals, the wireless power receiving apparatus may support higher power requirements of an electronic device. The disclosed designs may minimize electromagnetic interference (EMI) and provide greater efficiency of wireless power transfer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.