Transcutaneous power transmission utilizing non-planar resonators

  • US 9,079,043 B2
  • Filed: 11/21/2011
  • Issued: 07/14/2015
  • Est. Priority Date: 11/21/2011
  • Status: Active Grant
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First Claim
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1. A system for omni-orientational wireless energy transfer comprising:

  • a transmitter unit comprising a first electromagnetic resonator with a first winding configured to be coupled to a power supply and to generate a magnetic flux; and

    a receiver unit comprising a second electromagnetic resonator located at an operating distance from the first electromagnetic resonator and having a second winding configured to be coupled to a device load and to carry an electrical current;

    wherein at least one of the first or second electromagnetic resonators comprises a respective winding that conforms to a non-planar two-dimensional surface with at least one curved portion occupying three spatial dimensions such that the magnetic flux is directed from the first electromagnetic resonator to the second electromagnetic resonator to induce the electrical current when the first and second electromagnetic resonators are at the operating distance regardless of a relative spatial orientation of the first and second electromagnetic resonators, and wherein a shape of the non-planar two-dimensional surface is configured to shape the magnetic flux to increase a coupling between the electromagnetic resonators over different orientations of the electromagnetic resonators.

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