Wireless power supply device and electrical apparatus having the same
US11196295B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 26, 2019 |
| Grant date | Dec 7, 2021 |
| Priority date | — |
| Expiry date | Jan 19, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L15/0089
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A wireless power supply device includes a first housing, a transmitting coil assembly mounted in the first housing, a second housing, and a receiving coil assembly mounted in the second housing and electromagnetically coupled with the transmitting coil assembly. The first housing has a U-shaped outer contour and includes a first portion, a second portion, and a third portion. The second portion and the third portion extend perpendicularly to the first portion from opposite ends of the first portion. The second portion and the third portion form a recess between the second portion and the third portion. The second housing extends into the recess.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.