Patent · US Active

Shielding system for wireless power transfer

US11881726B2 · kind B2 · utility

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10Claims
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Assignee

Inventors

Key dates

Filing dateJan 28, 2022
Grant dateJan 23, 2024
Priority date
Expiry dateJan 28, 2042

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02J50/90
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A shield construction for transfer of wireless power is provided. The shield construction may be a magnetic shield having a plurality of layers and provided for a wireless transmitter or a wireless receiver, or both. The magnetic shield may include a first layer and a second layer, where the first layer may be nearer to a core than the second layer, and where the second layer may include a second layer area that is larger than a first layer area of the first layer. The wireless transmitter and the wireless receiver may be configured to multi-phase wireless power transfer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.