The invention relates to a device for the inductive transfer of electric energy from a stationary unit comprising at least one primary inductance (2) to a vehicle (1) that is adjacent to said unit and has at least one secondary inductance (4). The stationary unit has a device (12, 13,14; 2, 16, 14) for detecting the presence of an electrically conductive object (11,1) in a predetermined area that borders the primary inductance (2). In particular, said area can be the area (10) lying between the primary inductance (2) and the secondary inductance (4) during the inductive energy transfer. The device has at least one measuring inductance, a measuring unit (13, 16) for measuring the impedance of the measuring inductance (12, 2) and an evaluation unit (14) that is connected to the measuring unit (13, 16). The measuring inductance can be identical to the primary inductance (2). Preferably, the device is equipped with a plurality of measuring inductances (12) which form a regular two-dimensional arrangement extending approximately on one plane, said plane lying perpendicular to the main direction of the magnetic field (9) that is generated by the primary inductance during operation.


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    Titel :

    DEVICE FOR INDUCTIVE TRANSMISSION OF ELECTRICAL ENERGY


    Weitere Titelangaben:

    SYSTEME DE TRANSFERT INDUCTIF D'ENERGIE ELECTRIQUE


    Beteiligte:
    WECHLIN MATHIAS (Autor:in) / GREEN ANDREW (Autor:in)

    Erscheinungsdatum :

    2015-05-05


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    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



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