Coil design for wireless power transfer
US10923273B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 20, 2018 |
| Grant date | Feb 16, 2021 |
| Priority date | — |
| Expiry date | Mar 28, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J50/12
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
In some embodiments, a transmit coil configuration is provided. A coil configuration for a wireless transmitter according to some embodiments can include a plurality of turns coupled between a first tap coupled to an innermost turn and a second tap coupled to an outermost turn; and at least one adjustment tap coupled to at least one turn of the transmitter coil between the innermost turn and the outermost turn. The transmission coil can include an MST coil coupled to the second tap of the transmission coil. In some embodiments, the MST coil can include a plurality of turns arranged in one of a circle, an oval, an egg shape, or a square shape.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.