To provide a wheel bearing device with a power generator which can be housed in a wheel without significantly changing an underbody component and can resolve a problem of foreign objects being caught therein even when being constituted as large as possible.SOLUTION: A wheel bearing device with a power generator includes: a wheel bearing 2 installed at an underbody frame component 8 of a vehicle; and a power generator 3 having a stator 18 attached to a fixed ring 4 and a rotor 19 attached to a hub flange 7 of a rotary ring 5. The power generator 3 has a diameter smaller than that of an outer periphery part 12b of a brake rotor 12 and fits into a space between the hub flange 7 and the underbody frame component 8. The wheel bearing device has an outer seal member 25 in an annular axial gap δ1 where a rotation part 19A including the rotor 19 of the power generator 3 and the underbody frame component 8 face each other.SELECTED DRAWING: Figure 1

    【課題】足回り構成部品の大きな変更を伴うことなくホイール内に収納可能で、かつ出来るだけ大きく構成しても、異物噛み込みの問題を解消することができる発電機付き車輪用軸受装置を提供する。【解決手段】車両の足回りフレーム部品8に設置される車輪用軸受2と、その固定輪4に取付けられたステータ18および回転輪5のハブフランジ7に取付られたロータ19を有する発電機3とを備える。発電機3は、ブレーキロータ12の外周部12bよりも小径であり、ハブフランジ7と足回りフレーム部品8との間に収まる。発電機3のロータ19を含む回転部19Aと足回りフレーム部品8とが対向する円環状のアキシアルすきまδ1に、外側シール部材25を有する。【選択図】図1


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    Titel :

    WHEEL BEARING DEVICE WITH POWER GENERATOR


    Weitere Titelangaben:

    発電機付き車輪用軸受装置


    Beteiligte:
    KAWAMURA MITSUO (Autor:in) / NISHIKAWA KENTARO (Autor:in) / YADA YUJI (Autor:in) / FUJITA YASUYUKI (Autor:in) / YABUTA HIROKI (Autor:in)

    Erscheinungsdatum :

    2019-04-18


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    F16C SHAFTS , Wellen / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / F16J Kolben , PISTONS / H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES



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