PROBLEM TO BE SOLVED: To inhibit abnormal noise occurring in a speed reduction mechanism from being emitted from a wheel to the exterior.SOLUTION: An in-wheel motor unit 1 includes: a motor 20; and a speed reduction mechanism 30. The speed reduction mechanism 30 is composed of a counter gear mechanism 31 and a planetary gear mechanism 40 and abnormal noise occurs in the counter gear mechanism 31. A brake dust cover 130 is provided at the outer side relative to the counter gear mechanism 31 when viewed in a vehicle width direction. A sound absorption material 140 is bonded to an inner surface of the brake dust cover 130 when viewed in the vehicle width direction. The abnormal noise occurring in the counter gear mechanism 31 is absorbed by the sound absorption material 140.

    【課題】減速機構で発生した異音がホイールから外に放出されることを抑制する。【解決手段】インホイールモータユニット1は、モータ20と減速機構30とを備える。減速機構30は、カウンターギヤ機構31と遊星歯車機構40とからなり、カウンターギヤ機構31において異音が発生する。カウンターギヤ機構31よりも車幅方向外側にブレーキダストカバー130が設けられている。このブレーキダストカバー130の車幅方向内側面に吸音材140が貼着されている。カウンターギヤ機構31で発生した異音(ギヤの噛み合いによる音)は、吸音材140によって吸収される。【選択図】図1


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    Title :

    WHEEL DRIVE DEVICE


    Additional title:

    車輪駆動装置


    Contributors:

    Publication date :

    2015-06-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F16D COUPLINGS FOR TRANSMITTING ROTATION , Nicht schaltbare Kupplungen / 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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