TEMPERATURE COMPENSATION IN A WIRELESS TRANSFER SYSTEM
First Claim
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1. A resonator for wireless power transfer comprising:
- a conductor forming one or more loops and having an inductance L,a network of capacitors, having a capacitance, C, and a desired electrical parameter, coupled to the conductor, the network having at least one capacitor of a first type with a first temperature profile of the electrical parameter, and the network having at least one capacitor of a second type with a second temperature profile of the electrical parameter.
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Abstract
Described herein are improved configurations for a resonator for wireless power transfer that includes a conductor forming one or more loops and having an inductance L, a network of capacitors, having a capacitance, C, and a desired electrical parameter, coupled to the conductor, the network having at least one capacitor of a first type with a first temperature profile of the electrical parameter, and the network having at least one capacitor of a second type with a second temperature profile of the electrical parameter.
345 Citations
26 Claims
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1. A resonator for wireless power transfer comprising:
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a conductor forming one or more loops and having an inductance L, a network of capacitors, having a capacitance, C, and a desired electrical parameter, coupled to the conductor, the network having at least one capacitor of a first type with a first temperature profile of the electrical parameter, and the network having at least one capacitor of a second type with a second temperature profile of the electrical parameter. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A resonator for wireless power transfer comprising:
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a conductor forming one or more loops, two or more types of electrical components having different temperature profiles for an electrical parameter, the electrical components forming a network connected to said conductor, wherein the electrical components are arranged such that the temperature profiles of the components are complementary and there is less change in the electrical parameter of the circuit due to a temperature change than when only a one type of component is used. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A resonator for wireless power transfer comprising:
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a conductor forming one or more loops, at least one capacitor, having a temperature profile and connected to said conductor, wherein the at least one capacitor tunes a resonant frequency of the resonator and wherein the temperature profile of the at least one capacitor is chosen to detune the resonator from the resonant frequency when the temperature exceeds an operating range of the resonator. - View Dependent Claims (21, 22, 23, 24, 25, 26)
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Specification