A wireless power feeder includes a power feeding circuit, two or more power receiving circuits, and an electromagnetic field coupling circuit. Each power receiving circuit includes a resonant circuit having a load, a power receiving coil, and a capacitor connected in series to each other. The power feeding circuit includes a resonant circuit having a power feeding coil and a capacitor connected in series to the power feeding coil. The power feeding coil includes surrounding portions equal in number to the power receiving coils. The surrounding portions are disposed such that one surrounding portion surrounds one power receiving coil. Adjacent surrounding portions are connected to each other.
Wireless power feeder
2021-06-29
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 / B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht / H05B ELECTRIC HEATING , Elektrische Heizung |
WIRELESS POWER FEEDER FOR VEHICLE AND WIRELESS POWER FEEDING METHOD
European Patent Office | 2021
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