A foreign object detection device for a coil device including a second coil to transmit power to a first coil wirelessly or receive power from the first coil wirelessly including: a foreign object detection coil configured to be located between the first coil and the second coil; and a cover configured to cover an upper portion of the foreign object detection coil, wherein a top surface of the cover includes at least one inclined surface inclined relative to a coil plane of the second coil, and the inclined surface is inclined downward from a low sensitivity region where detection sensitivity of the foreign object detection coil is relatively lower to a high sensitivity region where the detection sensitivity of the foreign object detection coil is relatively higher.


    Access

    Download


    Export, share and cite



    Title :

    POWER TRANSMISSION SYSTEM, FOREIGN MATTER DETECTION DEVICE, AND COIL DEVICE


    Additional title:

    KRAFTÜBERTRAGUNGSSYSTEM, VORRICHTUNG ZUR ERKENNUNG VON FREMDKÖRPERN UND SPULENVORRICHTUNG
    SYSTÈME DE TRANSMISSION D'ÉNERGIE, DISPOSITIF DE DÉTECTION DE CORPS ÉTRANGERS ET DISPOSITIF DE BOBINE


    Contributors:
    ASANO ATSUSHI (author) / FURIYA KENTAROU (author) / ARAKI JUN (author) / GOTO MASAHIKO (author)

    Publication date :

    2022-02-09


    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 / H01F MAGNETS , Magnete / H05K PRINTED CIRCUITS , Gedruckte Schaltungen



    POWER TRANSMISSION SYSTEM, FOREIGN MATTER DETECTION DEVICE, AND COIL DEVICE

    ASANO ATSUSHI / FURIYA KENTAROU / ARAKI JUN et al. | European Patent Office | 2016

    Free access

    POWER TRANSMISSION SYSTEM, FOREIGN OBJECT DETECTION DEVICE, AND COIL DEVICE

    ASANO ATSUSHI / FURIYA KENTAROU / ARAKI JUN | European Patent Office | 2023

    Free access

    Power transmission system, foreign object detection device, and coil device

    ASANO ATSUSHI / FURIYA KENTAROU / ARAKI JUN et al. | European Patent Office | 2020

    Free access

    FOREIGN MATTER DETECTION DEVICE AND COIL DEVICE

    IWASAKI ITARU / SHINTANI HAJIME | European Patent Office | 2020

    Free access

    Power transmission system, foreign object detection device, and coil device

    ASANO ATSUSHI / FURIYA KENTAROU / ARAKI JUN | European Patent Office | 2021

    Free access