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WIRELESS POWER TRANSMISSION FOR BATTERY CHARGING

United States Patent Application

*** PATENT GRANTED ***
20140340031
9,496,746
A1
View the Complete Application at the US Patent & Trademark Office
A wireless power transmission system is provided for high power applications. The power transmission system is comprised generally of a charging unit configured to generate an alternating electromagnetic field and a receive unit configured to receive the alternating electromagnetic field from the charging unit. The charging unit includes a power source; an input rectifier; an inverter; and a transmit coil. The transmit coil has a spirangle arrangement segmented into n coil segments with capacitors interconnecting adjacent coil segments. The receive unit includes a receive coil and an output rectifier. The receive coil also has a spirangle arrangement segmented into m coil segments with capacitors interconnecting adjacent coil segments.
Mi, Chris (Detroit, MI), Li, Siqi (Dearborn, MI), Nguyen, Trong-Duy (Dearborn, MI), Wang, Junhua (Dearborn Heights, MI), Li, Jiangui (Dearborn Heights, MI), Li, Weihan (Westland, MI), Xu, Jun (Inkster, MI)
14/ 277,288
May 14, 2014
GOVERNMENT CLAUSE [0002] This invention was made with government support under grant DE-EE0002720 awarded by the Department of Energy. The Government has certain rights in this invention.