An assist mechanism includes: an electric motor; a shaft-shaped member in which a worm engaged with a worm wheel is formed; and a coupling that couples an output shaft of the electric motor and the shaft-shaped member to each other. The smallest rotation order among rotation orders of the electric motor and a rotation order of the worm are prime to each other. The smallest rotation order among the rotation orders of the electric motor and a rotation order of the coupling are prime to each other. The rotation order of the worm and the rotation order of the coupling are prime to each other. The rotation order of the worm is 3. The rotation order of the coupling is 5 or 7.


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    Title :

    ASSIST MECHANISM AND ELECTRIC POWER STEERING DEVICE


    Additional title:

    HILFSMECHANISMUS UND ELEKTRISCHE SERVOLENKUNG
    MÉCANISME D'ASSISTANCE ET DISPOSITIF DE DIRECTION ASSISTÉE ÉLECTRIQUE


    Contributors:

    Publication date :

    2022-06-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    F16D COUPLINGS FOR TRANSMITTING ROTATION , Nicht schaltbare Kupplungen / H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES / F16H Getriebe , GEARING / B62D MOTOR VEHICLES , Motorfahrzeuge



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