Omnidirectional wireless power transfer system

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United States of America Patent

PATENT NO 10333353
APP PUB NO 20170222483A1
SERIAL NO

15417353

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Importance

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Abstract

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In one example, an omnidirectional wireless power transfer system includes high frequency power generator configured to generate a supply of high frequency oscillating power, a number of transmitter-side resonant tank circuits electrically coupled to the high frequency power generator, a receptacle including a number of coils arranged for omnidirectional power transfer to an electronic device placed in the receptacle, and a controller configured to activate individual ones of the transmitter-side resonant tank circuits to wirelessly transmit power to the electronic device through near-field resonant inductive coupling. In one example, the receptacle can be embodied as a bowl, and the controller can activate individual ones of the transmitter-side resonant tank circuits over time to generate an omnidirectional field distribution for wireless power transmission. In other aspects, various transmitter-side and receiver-side tank circuits for coupling independent resonance and ZVS operation are described.

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Patent Owner(s)

  • VIRGINIA TECH INTELLECTUAL PROPERTIES, INC.

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Feng, Junjie Blacksburg, US 16 16
Fu, Minfan Blacksburg, US 1 4
Lee, Fred C Blacksburg, US 124 4621
Li, Qiang Blacksburg, US 801 10809

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