| 摘要 |
PROBLEM TO BE SOLVED: To provide a coil unit, wireless power feeding apparatus, wireless power reception apparatus and wireless power transmission apparatus, capable of suppressing a high-induced voltage generated at a metal part.SOLUTION: A coil unit Lu1 includes: a coil L1 for power transmission; a first reactance circuit X10 which is connected with one end of a winding of the coil L1 for power transmission and forms a resonance circuit together with the coil L1 for power transmission; a metal part SD disposed on the back side of the coil L1 for power transmission; and a first adjustment capacitor C10 connected between the other end of a winding of the coil L1 for power transmission and the metal part SD.SELECTED DRAWING: Figure 2 |
