Wireless energy transfer using variable size resonators and system monitoring
AssigneeWiTricity Corporation
InventorsAndre B. Kurs, Aristeidis Karalis, Morris P. Kesler, Andrew J. Campanella, Katherine L. Hall, Konrad J. Kulikowski, Marin Soljacic
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Abstract
A variable effective size magnetic resonator includes an array of resonators each being one of at least two substantially different characteristic sizes and a mechanism for detuning at least one of the resonators from the resonant frequency of the variable effective size magnetic resonator.
Claims41
A variable effective size magnetic resonator comprising:
- an array of resonators each being one of at least two substantially different characteristic sizes;
- and
- a mechanism for detuning at least one of the resonators from the resonant frequency of the variable effective size magnetic resonator.
A method for varying the effective size of magnetic resonators comprising:
- selecting at least one magnetic resonator from an array of resonators each being one of at least two different characteristic sizes;
- driving the at least one magnetic resonator at a resonant frequency;
- monitoring at least one parameter of at least one of the magnetic resonators;
- and
- adjusting the driving of at least one other magnetic resonator from the array of resonators based on the monitoring of at least one parameter.
A variable effective size magnetic resonator comprising:
- a plurality of magnetic resonators comprising at least two resonators with substantially different characteristic sizes, wherein at least one of the at least two resonators is detuned from the from the resonant frequency of the variable effective size magnetic resonator.
A variable effective size magnetic resonator comprising:
- at least one resonator with a characteristic size x1,
- at least a second resonator with a characteristic size x2,
- at least a third resonator with a characteristic size x3;
- wherein
- at least one power and control circuit is adjusted to implement a power distribution protocol.
The resonator of claim 34, wherein the variable effective size magnetic resonator is tunable.
The resonator of claim 34, wherein at least the second and third resonators are tunable.
A variable effective size magnetic resonator comprising:
- at least one resonator with a characteristic size x1,
- at least a second resonator with a characteristic size x2,
- at least a third resonator with a characteristic size x3;
- wherein
- the surface area circumscribed by the inductive element of the second resonator plus the surface area circumscribed by the inductive element of the third resonator is less than the surface area circumscribed by the inductive element of the at least one resonator.
Dependencies are inferred from the claim text.