To provide a wheel drive device of an in-wheel motor structure which is suitably provided with a brake gear.SOLUTION: A wheel unit 10 includes cylindrical wheels 11, rotary electric machines 12 which are stored in the radial inner side of the wheels 11 and rotate the wheels 11, and a brake gear 13 which has a brake disk 61 and a brake caliper 62 and generates a braking force for the wheels 11. The rotary electric machines 12 has a rotor 30 and a stator 40 which are opposite to each other in a radial direction and is provided with a hollow part on the radial inner side of a magnetic circuit part composed of the rotor 30 and the fixer 40. In such a state that the brake caliper 62 is fixed on an axial end surface of the stator 40 and the brake disk 61 is rotated integrally with the rotor 30, the brake gear 13 is provided within the hollow part.SELECTED DRAWING: Figure 2

    【課題】インホイールモータ構造の車輪駆動装置においてブレーキ装置を好適に設ける。【解決手段】車輪ユニット10は、円筒状の車輪11と、車輪11の径方向内側に収容され、車輪11を回転させる回転電機12と、ブレーキディスク61及びブレーキキャリパ62を有し、車輪11に対する制動力を発生させるブレーキ装置13と、を備えている。回転電機12は、径方向に互いに対向する回転子30及び固定子40を有し、回転子30及び固定子40からなる磁気回路部の径方向内側に中空部が設けられている。ブレーキキャリパ62が固定子40の軸方向端面に固定され、かつブレーキディスク61が回転子30と一体回転する状態にして、中空部内にブレーキ装置13が設けられている。【選択図】 図2


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    Titel :

    WHEEL DRIVE DEVICE


    Weitere Titelangaben:

    車輪駆動装置


    Beteiligte:
    MATSUDA TADASHI (Autor:in) / MAWATARI ISAO (Autor:in) / FUKAYA NORIYUKI (Autor:in)

    Erscheinungsdatum :

    31.10.2023


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    F16D COUPLINGS FOR TRANSMITTING ROTATION , Nicht schaltbare Kupplungen / H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES



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