Patent ID: 9412513
Filing Date: 2016-08-09
CPC Classification: H01F,H02J

Claim Text:
1. A wireless power transmission system for feeding power by wireless from a feeding coil to a receiving coil, comprising: the feeding coil; a transmission control circuit that supplies AC power to the feeding coil at a drive frequency so as to make the feeding coil feed the AC power to the receiving coil; the receiving coil; a loading circuit that receives power from the receiving coil; and a magnetic body that is disposed between the feeding coil and receiving coil, the magnetic body being disposed inside a space between coil surfaces of the feeding coil and receiving coil, wherein the magnetic body is disposed so that a coil axis connecting a central axis of the feeding coil and a central axis of the receiving coil passes through the magnetic body, and wherein the magnetic body is configured such that, during power transmission from the feeding coil to the receiving coil, the magnetic body does not move.