Enclosures for high power wireless power transfer systems

  • US 10,574,091 B2
  • Filed: 04/06/2016
  • Issued: 02/25/2020
  • Est. Priority Date: 07/08/2014
  • Status: Active Grant
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First Claim
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1. A wireless power device for a vehicle, and for receiving power from a wireless power source comprising a source resonator, the wireless power device comprising:

  • a first plurality of magnetic material pieces arranged in a first plane, wherein the first plurality of magnetic material pieces have a first planar surface and a second planar surface;

    a device resonator comprising at least one wound conductor disposed on the first planar surface; and

    a second plurality of magnetic material pieces in a second plane, wherein at least one of the second plurality of magnetic material pieces overlaps at least one of the first plurality of magnetic material pieces;

    wherein a separation between the first and second planes is less than 2 mm; and

    wherein the first and second pluralities of magnetic material pieces form a low-reluctance pathway, relative to air, for magnetic flux received by the device resonator.

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