Impedance matching for inductive power transfer systems

Methods and apparatuses for improved efficiency of power transfer across an inductive charging interface by adaptively changing the impedance of the receive coil in response to changes in load conditions during inductive power transfer are disclosed.

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Bibliographic Details
Main Authors Terlizzi, Jeffrey J, Moyer, Todd K, Alves, Jeffrey M, Ritter, David W, Herbst, Steven G
Format Patent
LanguageEnglish
Published 30.10.2018
Subjects
APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS
BASIC ELECTRIC ELEMENTS
BASIC ELECTRONIC CIRCUITRY
CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER
CONTROL OR REGULATION THEREOF
CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
GENERATION
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS
INDUCTANCES
MAGNETS
RESONATORS
SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
SYSTEMS FOR STORING ELECTRIC ENERGY
TRANSFORMERS
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Summary:Methods and apparatuses for improved efficiency of power transfer across an inductive charging interface by adaptively changing the impedance of the receive coil in response to changes in load conditions during inductive power transfer are disclosed.
Bibliography:Application Number: US201514628897