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Magnetically permeable core and inductive power transfer coil arrangement

  • US 10,269,486 B2
  • Filed: 05/14/2015
  • Issued: 04/23/2019
  • Est. Priority Date: 05/19/2014
  • Status: Active Grant
First Claim
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1. An inductive power transfer coil arrangement comprising:

  • i. a first coil assembly including;

    a. at least a first magnetically permeable core including a base having first and second limbs extending away therefrom, wherein the first limb is located between two of the second limbs and extends further from the base than the second limbs, andb. at least one coil wound about at least one of the limbs; and

    ii. a second coil assembly including;

    a. at least a second magnetically permeable core including a base having first and second limbs extending away therefrom, wherein the first limb is located between two second limbs and extends further from the base than the second limbs; and

    b. at least one coil wound about at least one of the limbs,the first and second magnetically permeable cores arranged to be relatively moveable wherein in some relative positions the first and second magnetically permeable cores are opposed such as to provide effective magnetic coupling.

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