To provide a structure suppressing generation of a breakage hole communicating the inside and the outside of a case of a power transmission apparatus for a vehicle, even upon a collision of the vehicle.SOLUTION: Even if a vehicle 10 comes into a collision and loads F2 are transmitted to a cover 25 via bolts 34 tightened into a mount fastening portion 36, the crack generated in the cover 25 can be caused to propagate along the direction in which bolt tightening holes 40 and holes 42 are arrayed. As a result, if the cover 25 is broken, it breaks along the crack, and therefore generation of a breakage hole communicating the inside and the outside of the cover 25 can be suppressed. With regard to this, it is unlikely that a motor 26 is exposed to the outside even if the cover 25 is broken. Thus, the decrease in the safety can be suppressed.SELECTED DRAWING: Figure 8

    【課題】車両が衝突した場合であっても、車両用動力伝達装置のケースに内部と外部とを連通する穴が開くことを抑制する構造を提供する。【解決手段】車両10が衝突し、マウント締結部36に締結されたボルト34を介してカバー25に荷重F2が伝わった場合であっても、カバー25に生じる亀裂を、ボルト締結穴40および穴42の並ぶ方向に沿わせることができる。結果として、カバー25が破損した場合には亀裂に沿って破損するため、カバー25に内部と外部とを連通する穴が開くことを抑制することができる。これに関連して、カバー25が破損しても、モータ26が外部に露出しなくなることから、安全性の低下を抑制することができる。【選択図】図8


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    Title :

    POWER TRANSMISSION APPARATUS FOR VEHICLE


    Additional title:

    車両用動力伝達装置


    Contributors:

    Publication date :

    2020-05-07


    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



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