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Wireless power transfer apparatus and method of manufacture

  • US 9,431,834 B2
  • Filed: 11/07/2012
  • Issued: 08/30/2016
  • Est. Priority Date: 03/20/2012
  • Status: Active Grant
First Claim
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1. A wireless power transfer apparatus comprising:

  • a first casing portion having a wall with a plurality of projecting members extending from an inner surface of the wall and distributed across at least a portion of the inner surface of the wall, the projecting members comprising elastically deformable plastic that deforms when a compressive force is applied to the first casing portion;

    a coil configured to wirelessly receive or transmit power, the coil extending around the projecting members;

    a second casing portion connected to the first casing portion to form a chamber within which the coil is housed; and

    a potting material disposed to fill the chamber formed by the first and second casing portions.

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