Patent ID: 11881726
Assignee: UT-BATTELLE, LLC
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC B  H | IPC B  H

Claim 7:
8. A wireless power receiver comprising:
a hexagonally shaped receiver pad operable to receive wireless power from a wireless power transmitter, the hexagonally shaped receiver pad comprising three bipolar coils backed by a core; and
a magnetic material-based shield including
a first layer disposed adjacent and a second layer, the first layer being nearer to the core than the second layer, the first layer being circularly shaped to inscribe the hexagonally shaped receiver pad, a first layer area of the first layer is similar to an area of the core, and a first layer thickness being 20%-60% of a core thickness of the core,
a second layer that is rectangularly shaped to inscribe the first layer, a second layer area of the second layer being larger than the first layer area, and a second layer thickness of the second layer being less than the first layer thickness, and
a third layer having a third layer area that is larger than the second layer area and a third layer thickness that is less than the second layer thickness.