WIRELESS POWER SUPPLY SYSTEM, POWER TRANSMISSION DEVICE AND POWER RECEIVING DEVICE

摘要

A wireless power supply system wirelessly supplies electric power via an electromagnetic wave. The wireless power supply system includes a power transmission unit (1) for transmitting an electromagnetic wave (2) and a plurality of power receiving units (3) which is arranged on a rotary body (9) rotatable around a rotary axis (8) to receive the electromagnetic wave (2). Further, the plurality of power receiving units (3) of the wireless power supply system is arranged so that at least one power receiving unit (3) is included in the covered area formed by the electromagnetic wave (2) transmitted by the power transmission unit (1).