PROBLEM TO BE SOLVED: To provide a power transmission device which prevents a lubrication oil from leaking from a breather chamber to an external part while securing a sufficient amount of the lubrication oil in a transfer case and reduces driving loss caused by a transfer mechanism agitating the lubrication oil.SOLUTION: A transfer case 52 has a division wall 90, which divides an internal part of the transfer case 52 into an oil sump chamber 93 disposed at a bottom part of the transfer case 52 and configured to store a lubrication oil and a transfer mechanism chamber 95 disposed on the oil sump chamber 93, housing a transfer mechanism 51, and communicating with a breather chamber 100, in an area below the transfer mechanism 51. Further, the division wall 90 has a lubrication oil communication hole 94 which allows the transfer mechanism chamber 95 to communicate with the oil sump chamber 93.SELECTED DRAWING: Figure 4

    【課題】トランスファケース内の潤滑油の油量を十分に確保しつつ、ブリーザ室から外部に潤滑油が漏れ出るのを防止するとともに、トランスファ機構が潤滑油を攪拌することによる駆動損失を低減することができる動力伝達装置を提供すること。【解決手段】トランスファケース52は、このトランスファケース52の底部に配置されて潤滑油を貯留する油溜まり室93と、この油溜まり室93の上部に配置されてトランスファ機構51を収容するとともにブリーザ室100と連通するトランスファ機構室95と、にトランスファケース52の内部を区画する仕切壁90をトランスファ機構51の下方に有している。また、仕切壁90は、トランスファ機構室95と油溜まり室93とを連通する潤滑油連通孔94を有している。【選択図】図4


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    Title :

    POWER TRANSMISSION DEVICE


    Additional title:

    動力伝達装置


    Contributors:

    Publication date :

    2016-03-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F16H Getriebe , GEARING / 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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