PROBLEM TO BE SOLVED: To provide an in-wheel motor drive unit capable of preventing poor lubrication in a parallel shaft gear reducer, even under high speed rotation of an electric motor.SOLUTION: In an in-wheel motor drive unit including a motor A, a reduction gear B constituted of a parallel shaft gear reducer 36, a bearing C for wheel, and a lubrication mechanism for supplying lubricant to the motor A and reduction gear B, the lubrication mechanism includes an oil discharge outlet provided in a casing 22 for sectioning the motor A and reduction gear B and opening toward the parallel shaft gear reducer 36, so as to distribute the lubricant from the motor A to the reduction gear B, and a suction port 64 provided at a lower part of the oil discharge outlet in the casing 22 and opening toward the parallel shaft gear reducer 36, so as to recirculating the lubricant of the reduction gear B to a rotary pump 50, and a partition plate 68 for guiding the lubricant, flowing from the motor A into the reduction gear B via the oil discharge outlet, to the suction port is provided in the reduction gear B.SELECTED DRAWING: Figure 1

    【課題】 電動モータの高速回転下であっても、平行軸歯車減速機での潤滑不良を未然に防止し得るインホイールモータ駆動装置を提供する。【解決手段】 モータ部Aと、平行軸歯車減速機36で構成された減速機部Bと、車輪用軸受部Cと、モータ部Aおよび減速機部Bに潤滑油を供給する潤滑機構とを備えたインホイールモータ駆動装置であって、潤滑機構は、モータ部Aと減速機部Bとを区画するケーシング22に設けられて平行軸歯車減速機36に向けて開口し、モータ部Aから減速機部Bへ潤滑油を流通させる排油孔と、ケーシング22の排油孔下方部位に設けられて平行軸歯車減速機36に向けて開口し、減速機部Bの潤滑油を回転ポンプ50へ還流させる吸込口64とを備え、モータ部Aから排油孔を経由して減速機部Bへ流入する潤滑油を吸込口へ誘導する仕切板68を減速機部Bに設ける。【選択図】 図1


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    Titel :

    IN-WHEEL MOTOR DRIVE UNIT


    Weitere Titelangaben:

    インホイールモータ駆動装置


    Beteiligte:

    Erscheinungsdatum :

    2016-10-13


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    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 / F16H Getriebe , GEARING



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