WIRELESS ENERGY TRANSFER FOR VEHICLES

  • US 20120112536A1
  • Filed: 10/19/2011
  • Published: 05/10/2012
  • Est. Priority Date: 09/27/2008
  • Status: Abandoned Application
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First Claim
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1. A vehicle-powering wireless receiver for use with a first electromagnetic resonator coupled to a power supply, first electromagnetic resonator having a mode with a resonant frequency w1, an intrinsic loss rate G1, and a first Q-factor Q1=w1/2G1, the wireless receiver comprising:

  • a load configured to power the drive system of a vehicle using electrical power; and

    a second electromagnetic resonator adapted to be housed upon the vehicle and configured to be coupled to the load via a capacitive network, the second electromagnetic resonator comprising at least one capacitor in series with an inductive loop and one capacitor in parallel with an inductive loop, the second electromagnetic resonator having a mode with a resonant frequency w2, an intrinsic loss rate G2, and a second Q-factor Q2=w2/2G2;

    wherein the second electromagnetic resonator is of substantially different size from the first electromagnetic resonator; and

    wherein the second electromagnetic resonator is configured to be wirelessly coupled to the first electromagnetic resonator to provide resonant, non-radiative wireless power to the second electromagnetic resonator from the first electromagnetic resonator.

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