A power transmission device includes a power transmission coil, a magnetically shielded space created by a power transmission-side cancel coil arranged outside the power transmission coil, a moving member configured to move a metal foreign substance, and a moving mechanism configured to move a part or all of an upper surface of the moving member from an area outside the magnetically shielded space into the magnetically shielded space.


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    Title :

    POWER TRANSMISSION DEVICE, POWER RECEPTION DEVICE, WIRELESS POWER TRANSMISSION SYSTEM, AND METHOD FOR DRIVING POWER TRANSMISSION DEVICE


    Contributors:

    Publication date :

    2022-07-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    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







    WIRELESS POWER TRANSMISSION SYSTEM, POWER TRANSMISSION DEVICE, AND POWER RECEPTION DEVICE

    FUJIMOTO HIROSHI / SHIMIZU OSAMU / AKUTAGAWA KEIZO et al. | European Patent Office | 2021

    Free access