ELECTRICAL POWERED VEHICLE AND POWER FEEDING DEVICE FOR VEHICLE

  • US 20100225271A1
  • Filed: 09/25/2008
  • Published: 09/09/2010
  • Est. Priority Date: 10/25/2007
  • Status: Active Grant
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First Claim
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1. An electrical powered vehicle comprising:

  • a secondary self-resonant coil configured to be magnetically coupled with a primary self-resonant coil external to a vehicle by magnetic field resonance, and allow reception of electric power from said primary self-resonant coil,a secondary coil configured to allow reception of electric power from said secondary self-resonant coil by electromagnetic induction,a rectifier for rectifying electric power received by said secondary coil,a power storage device for storing electric power rectified by said rectifier, andan electric motor for receiving supply of electric power from said power storage device to generate a driving force of the vehicle,an adjustment device configured to allow adjustment of a resonant frequency of said secondary self-resonant coil by modifying at least one of a capacitance and inductance of said secondary self-resonant coil,an electric power detection device for detecting electric power received by said secondary self-resonant coil and said secondary coil, anda control device for controlling said adjustment device such that electric power detected by said electric power detection device is at a maximum.

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