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Wireless power transfer apparatus using enclosures with enhanced magnetic features and methods of fabricating the same

  • US 10,116,144 B2
  • Filed: 05/22/2015
  • Issued: 10/30/2018
  • Est. Priority Date: 05/22/2015
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • an enclosure configured to be installed in an equipment rack and comprising a wall;

    a coil assembly in the enclosure and comprising a magnetic core and a coil disposed on the magnetic core, the magnetic core positioned adjacent the wall such that a main flux path in the magnetic core is through at least one portion of the wall having a magnetic permeability greater than air, wherein the at least one portion of the wall comprises a region with a first magnetic permeability embedded in another component of the wall having a second magnetic permeability, and wherein the magnetic core is positioned adjacent the region such that the main flux path is directed through the region; and

    a wireless power receiver circuit in the enclosure, coupled to the coil and configured to be connected to at least one power bus in the equipment rack.

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