Patent ID: 8203434

Claim:
A wireless power feeding system comprising: a power transmitting coil for wirelessly transmitting electrical energy; a power supply connected to the power transmitting coil; a control unit for controlling the power supply; a power receiving coil portion including a power receiving coil for receiving the electrical energy transmitted from the power transmitting coil, and a core around which the power receiving coil is wound, the core collecting a magnetic flux generated by the power transmitting operation of the power transmitting coil to the power receiving coil; a power receiving circuit for supplying a load member with the electrical energy received by the power receiving coil; and a magnetic member having a circular shape for collecting the magnetic flux generated by the power transmitting operation of the power transmitting coil to the power receiving coil, the magnetic member being formed as a separate member with respect to the core and arranged away from the power receiving coil and the core, wherein the magnetic member and the power receiving coil are disposed such that hollow interiors thereof are consecutive to each other.