A power transmission device includes: an axle housing having a central hole where a drive shaft is penetrated; a wheel hub disposed in an outer portion of the axle housing via wheel bearings; a speed-reducer housing chamber provided in the wheel hub to cover an opening end portion of the axle housing; a gear speed reducer, formed inside the speed-reducer housing chamber, to decelerate a rotation of the drive shaft and transmit the rotation to the wheel hub; and a wet-type brake mechanism housed in a brake chamber formed between the axle housing and the wheel hub, and actuated such that braking is applied to a rotation of the wheel hub relative to the axle housing. Further, floating seals are disposed between a lubrication space and the speed-reducer housing chamber, and a circulation passage for oil that includes an oil filter is connected to the lubrication space.


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    Titel :

    動力伝達装置


    Erscheinungsdatum :

    2019-01-16


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B60B VEHICLE WHEELS , Räder für Fahrzeuge / F16C SHAFTS , Wellen / F16D COUPLINGS FOR TRANSMITTING ROTATION , Nicht schaltbare Kupplungen / F16H Getriebe , GEARING / F16J Kolben , PISTONS / F16N LUBRICATING , Schmierung