Snell & Wilmer LLP
Interleaved hybrid switch network of ground side coils for dynamic wireless power transfer
Methods, systems, and apparatus for wirelessly providing power to a vehicle. The system includes a plurality of ground-side wireless power transfer devices each configured to automatically provide power to a counterpart vehicle-side wireless power transfer device. The system includes a switch connecting a power source to the plurality of ground-side wireless power transfer devices and configured to be in an open position or a closed position. The system includes a vehicle position sensor configured to detect the vehicle being within a range of the plurality of ground-side wireless power transfer devices. The system includes a switch driver configured to move the switch from the open position to the closed position when the vehicle position sensor detects the vehicle being within the range, and move the switch from the closed position to the open position when the vehicle position sensor does not detect the vehicle being within the range.
TOYOTA MOTOR ENGINEERING & MANUFACTURING NORTH AMERICA, INC.
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Jongwon George C. Jae Seung Chung Chih
Shin Bucsan Lee Chou