PROBLEM TO BE SOLVED: To provide a vehicle power transmission apparatus capable of avoiding a cost increase due to the increase in dimensions or the adoption of a plurality of sensors for the convenience of control.SOLUTION: In a transfer case 22, a high booster function owned by a screw mechanism 86 can allocate a high thrust to a front-wheel driving clutch 50. Further, the screw mechanism 86 can obtain stroke necessary to actuate a high-low switching mechanism 48. Therefore, using one motor 84, one screw mechanism 86 and one transfer mechanism 88 enables the high-low switching mechanism 48 to be actuated to perform switching and the torque of the front-wheel driving clutch 50 to be adjusted by the same scheme. It is thereby possible to accurately actuate the high-low switching mechanism 48 to be perform switching operation and adjust the torque of the front-wheel driving clutch 50 on the basis of a motor rotation angle Am of one motor 84. It is, therefore, possible to avoid the cost increase of a power transmission apparatus 18 due to the increase in dimension and the adoption of a plurality of sensors for the convenience of control.SELECTED DRAWING: Figure 6

    【課題】制御都合による寸法増加や複数センサ採用によるコストアップを回避することができる車両用動力伝達装置を提供する。【解決手段】トランスファ22において、ねじ機構86が有する高い倍力機能によって前輪駆動用クラッチ50へ高い推力を付与することができる。又、ねじ機構86によってハイロー切替機構48の作動に必要なストロークを得ることができる。従って、一つのモータ84とねじ機構86と伝達機構88とを用いたことにより、同一の方式でハイロー切替機構48の切替作動と前輪駆動用クラッチ50のトルク調整とが可能となる。これにより、一つのモータ84のモータ回転角度Amに基づいてハイロー切替機構48の切替作動と前輪駆動用クラッチ50のトルク調整とを精度良く行うことができる。よって、動力伝達装置18において、制御都合による寸法増加や複数センサ採用によるコストアップを回避することができる。【選択図】図6


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    Title :

    VEHICLE POWER TRANSMISSION APPARATUS


    Additional title:

    車両用動力伝達装置


    Contributors:

    Publication date :

    2016-05-12


    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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