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NON-CONTACT POWER RECEPTION DEVICE AND VEHICLE INCLUDING THE SAME

  • US 20110181123A1
  • Filed: 10/09/2008
  • Published: 07/28/2011
  • Est. Priority Date: 10/09/2008
  • Status: Active Grant
First Claim
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1. A non-contact power reception device comprising:

  • a load identified as a subject of power feeding, anda secondary self-resonant coil receiving electric power to be supplied to said load from an external primary self-resonant coil,said secondary self-resonant coil being configured so as to be switchable between a first state and a second state, said first state being selected in a power reception mode in which said secondary self-resonant coil is magnetically coupled with said primary self-resonant coil through resonance of a magnetic field, and said second state being selected in a power non-reception mode in which magnetic coupling of said secondary self-resonant coil with said primary self-resonant coil through resonance is weaker than in said first state.

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