The present invention relates to a gear motor (101), in particular for a wiper system, comprising: -a brushless DC electric motor (103) including: -a rotor; -a stator having coils for electromagnetically exciting the rotor; -a device for determining the angular position of the rotor; -a control unit configured to generate control signals for supplying power to the electromagnetic excitation coils of the stator; -a reduction mechanism (104) that is linked on one side to the rotor of the electric motor (103) and on the other side to an output shaft (109), the reduction mechanism (104) having a predefined reduction ratio and; -an output angular position sensor (110) that is configured to measure the angular position of the output shaft (109), wherein the output angular position sensor (110) that is configured to transmit a signal corresponding to the measured angular position of the output shaft (109) to the device for determining the angular position of the rotor and said device is configured to determine the position of the rotor on the basis of the transmitted signal by taking into account the predefined reduction ratio of the reduction mechanism (104). The invention also relates to a wiper system and to a method for controlling the electric motor (103).


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    Titel :

    GEAR MOTOR, ASSOCIATED WIPER SYSTEM AND ASSOCIATED CONTROL METHOD


    Beteiligte:

    Erscheinungsdatum :

    2019-08-29


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    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 / H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern



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