An electric drive device has a motor housing accommodating therein an electric motor; a pair of supporting stems arranged so as to face to each other on an end surface, which is an opposite side to an output shaft portion of a rotation shaft of the electric motor, of the motor housing and extending in a direction of the rotation shaft which is an opposite direction to the output shaft portion; a heat radiation base body arranged between the pair of supporting stems and extending in the same direction as those of the supporting stems; fixing bolts screwed into the heat radiation base body from a radially outer side to a radially inner side through the supporting stems and connecting the supporting stems and the heat radiation base body; one electronic control unit of a redundant system, arranged along a direction in which the heat radiation base body extends and having a board that is fixed to the heat radiation base body with thermal conduction to the heat radiation base body allowed; and the other electronic control unit of the redundant system, arranged along a direction in which the heat radiation base body extends and having a board that is fixed to the heat radiation base body with thermal conduction to the heat radiation base body allowed.


    Access

    Download


    Export, share and cite



    Title :

    Electric Drive Device and Electric Power Steering Device


    Contributors:

    Publication date :

    2019-01-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES / B62D MOTOR VEHICLES , Motorfahrzeuge



    ELECTRIC DRIVE DEVICE AND ELECTRIC POWER STEERING DEVICE

    MORIMOTO MASAKAZU | European Patent Office | 2024

    Free access

    ELECTRIC DRIVE DEVICE AND ELECTRIC POWER STEERING DEVICE

    HARA HIDEYUKI | European Patent Office | 2021

    Free access

    Electric drive device and electric power steering device

    KANAZAWA TAKURO / HAMADA KEIJI / MOTODA HARUAKI | European Patent Office | 2020

    Free access

    ELECTRIC DRIVE DEVICE AND ELECTRIC POWER STEERING DEVICE

    KAWATA MASAAKI | European Patent Office | 2020

    Free access

    ELECTRIC DRIVE DEVICE AND ELECTRIC POWER STEERING DEVICE

    FUJIMOTO MASAO / HAMADA KEIJI | European Patent Office | 2017

    Free access