Wireless energy transfer to moving devices
AssigneeMitsubishi Electric Research Laboratories, Inc.
InventorsWilliam S. Yerazunis, Vishwanath Iyer, Da Huang, Chunjie Duan, Koon Hoo Teo
Life of this patent
Estimating the term…
Abstract
A system exchanges energy wirelessly and includes a source configured to generate evanescent waves, in response to receiving the energy, on at least part of a surface of the source. The system also includes a sink configured to receive the energy wirelessly from the source via a coupling of the at least part of the evanescent waves and a load configured to receive the energy from the sink. The load and the sink are configured to move along the surface of the source such that the at least a part of the evanescent waves are coupled between the source and the sink within an energy transfer area.
Claims21
A system configured to transfer energy wirelessly, comprising:
- a source configured to generate evanescent waves, in response to receiving the energy, on at least part of a surface of the source;
- a sink configured to receive the energy wirelessly from the source via a coupling of the at least part of the evanescent waves;
- and
- a load configured to receive the energy from the sink, wherein the load and the sink are configured to move along the surface of the source such that the at least a part of the evanescent waves are coupled between the source and the sink within an energy transfer area.
A method for transferring energy wirelessly via a coupling of near-fields, comprising steps of:
- providing a source configured to transfer an energy wirelessly to a sink via the coupling of near-fields of the source and the sink, wherein the source and the sink are non-radiative structures configured to generate EM near-fields in response to receiving the energy;
- and
- moving the sink along a surface of the source such that the near-field of the source and the near-field of the sink are coupled within an energy transfer area.
Dependencies are inferred from the claim text.