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WIRELESS POWER TRANSFER SYSTEM

  • US 20150084427A1
  • Filed: 09/23/2014
  • Published: 03/26/2015
  • Est. Priority Date: 09/26/2013
  • Status: Active Grant
First Claim
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1. A wireless power transmission system comprising:

  • a source coil at a primary side;

    a load coil at a secondary side; and

    at least two intermediate coils coupled with each other in an insulated manner with a predetermined turn ratio with respect to the source coil, wherein an effective inductance of the source coil is increased by the two intermediate coils, and thus, a coupling coefficient between the source coil and the load coil is increased.

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