Wireless energy transfer for vehicles

  • US 8,933,594 B2
  • Filed: 10/18/2011
  • Issued: 01/13/2015
  • Est. Priority Date: 09/27/2008
  • Status: Active Grant
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First Claim
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1. A vehicle powering wireless power receiver, comprising:

  • a load coupled to a drive system of the vehicle;

    an electromagnetic resonator configured for attachment to the vehicle and coupled to the load, wherein the electromagnetic resonator is configured to receive power from a resonant, non-radiative wireless power source and to deliver power to the load; and

    a member formed of conducting material and having a surface positioned relative to a loss-inducing object so that a magnitude of a magnetic field generated by at least one of the electromagnetic resonator and the power source is reduced in a spatial region corresponding to the loss-inducing object relative to that in the absence of the member,wherein the member is not resonant with the electromagnetic resonator.

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