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WIRELESS POWER TRANSFER SYSTEM

  • US 20150364931A1
  • Filed: 08/24/2015
  • Published: 12/17/2015
  • Est. Priority Date: 06/11/2012
  • Status: Abandoned Application
First Claim
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1. A wireless power transfer system including:

  • a. a power transmitter including;

    i. a magnetically permeable transmitter core having a base portion and an axial core portion extending away therefrom along a magnetic field propagation axis, wherein the base portion extends further away from the magnetic field propagation axis than the axial core portion;

    ii. transmitter windings provided about the axial core portion; and

    iii. an AC power supply driving the windings to produce an oscillating magnetic field; and

    b. a power receiver including;

    i. a magnetically permeable receiver core having a base portion and an axial core portion extending away therefrom along a magnetic field reception axis, wherein the base portion extends further away from the magnetic field reception axis than the axial core portion;

    ii. receiver windings provided about the axial core portion; and

    iii. a power receiver circuit receiving an AC current from the windings induced by the oscillating magnetic field.

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