PROBLEM TO BE SOLVED: To provide a hybrid vehicle driving system where an engine and an electric motor are respectively mounted on different rotation axes, which includes a structure improving support rigidity of rotation shafts to which power is transmitted from the engine and the electric motor without occupying a large space and suppressing vibration.SOLUTION: In a hybrid vehicle driving system, an output shaft 32 is supported by a ball bearing 70 and a needle bearing 72 interposed between an outer periphery of the output axis 32 and an inner periphery of a driven gear shaft 28 so as to improve support rigidity of the output axis 32 to be capable of suppressing vibration and noise during power transmission. The needle bearing 72 is interposed between the inner periphery of a driven gear shaft 28 and the outer periphery of the output axis 32 so as to inhibit enlargement of a driving system 10 without requiring an installation space of the needle bearing 72.

    【課題】エンジンと電動機とが異なる回転軸心上に配置されるハイブリッド車両の駆動装置において、スペースをとることなくエンジンおよび電動機から動力が伝達される回転軸の支持剛性を高めて振動を抑制できる構造を提供する。【解決手段】出力軸32が玉軸受70および出力軸32の外周とドリブンギヤ軸28の内周に介挿されているニードルベアリング72によって支持されるため、出力軸32の支持剛性が高くなり、動力伝達中の振動および騒音を抑制することができる。また、ニードルベアリング72は、ドリブンギヤ軸28の内周と、出力軸32の外周との間に介挿されるため、ニードルベアリング72を設けたことでスペースを取ることもなく、駆動装置10の大型化も抑制される。【選択図】図2


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    Title :

    HYBRID VEHICLE DRIVING SYSTEM


    Additional title:

    ハイブリッド車両の駆動装置


    Contributors:

    Publication date :

    2015-07-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    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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