A power feeding coil unit for wireless power transmission including a base portion with bottom having an opening on an upper end, a magnetic body having a plurality of magnetic plates disposed on a bottom surface of the base portion, a power feeding coil formed by winding a conductive wire on the magnetic body, a cover portion covering the opening of the base portion, and a rib extending from the base portion toward the cover portion between the plurality of magnetic plates and between the wires of the conductive wires, wherein, a distance between the rib and the cover portion is smaller than a distance between the power feeding coil and the cover portion.
POWER FEEDING COIL UNIT, WIRELESS POWER FEEDING DEVICE AND WIRELESS POWER TRANSMISSION DEVICE
2017-10-05
Patent
Electronic Resource
English
IPC: | H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01F MAGNETS , Magnete |
Power feeding coil unit, wireless power feeding device and wireless power transmission device
European Patent Office | 2019
|Power feeding coil unit and wireless power transmission device
European Patent Office | 2017
|Wireless power transmission device with power feeding coil unit
European Patent Office | 2019
|Power feeding coil unit and wireless power transmission device
European Patent Office | 2017
|European Patent Office | 2019
|