PROBLEM TO BE SOLVED: To reduce a space occupied by an electric motor as much as possible.SOLUTION: A brushless DC electric motor is for an automobile wiper system including a rotor (2) with a multipolar magnet (5). The multipolar magnet (5) is mounted to be rotated and driven around a rotary shaft (L) and includes at least three multipolar axial layers. A motor (1) includes a device (8) for determining the position of the rotor including at least three position sensors (9). Each sensor (9) is associated with one of the axial layers (7). The sensors 9 are installed in a plane (P) including a direction parallel to a rotary shaft of the multipolar magnet (5) while being aligned with each other. A central sensor is mounted to be center-aligned with a central layer in an axial direction. At least one of two end position sensors is removed from a center in the axial direction with respect to a related end layer.SELECTED DRAWING: Figure 1


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    Titel :

    MOTEUR ELECTRIQUE A COURANT CONTINU SANS BALAIS POUR SYSTEME D'ESSUYAGE DE VEHICULE AUTOMOBILE


    Weitere Titelangaben:

    BRUSHLESS DC ELECTRIC MOTOR FOR AUTOMOTIVE VEHICLE WIPER SYSTEM
    GLEICHSTROM-ELEKTROMOTOR OHNE WISCHBLÄTTER FÜR SCHEIBENREINIGUNGSSYSTEM EINES KRAFTFAHRZEUGS


    Beteiligte:

    Erscheinungsdatum :

    11.05.2022


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Französisch


    Klassifikation :

    IPC:    G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES / B60S SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR , Warten, Reinigen, Instandsetzen, Unterstützen, Anheben oder Rangieren von Fahrzeugen, soweit nicht anderweitig vorgesehen



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    HERRADA JOSE-LUIS | Europäisches Patentamt | 2022

    Freier Zugriff