PROBLEM TO BE SOLVED: To provide a driving force distribution control device of a vehicle, which allows for quick change of the distribution of driving force according to the running state of the vehicle, thereby achieving improvement in fuel economy and running stability.SOLUTION: The driving force distribution control device of a vehicle is provided that has a center clutch for distributing driving force to a front wheel side and a rear wheel side, and right and left axle clutches interposed between a final reduction gear device on the front wheel side or the rear wheel side and right and left drive shafts. The driving force distribution control device comprises: a road surface state determination part for determining a road surface state on the basis of the road surface friction coefficient of a running road; and a drive mode setting part for setting, according to the road surface state, either one of drive modes which include a two wheel drive mode of releasing the center clutch and the right and left axle clutches together, an all wheel drive mode of engaging the center clutch and the right and left axle clutches together, and a standby mode of releasing either one of the center clutch and the right and left axle clutches and engaging the other.SELECTED DRAWING: Figure 6

    【課題】車両の走行状態に応じて迅速な駆動力配分の切り換えを可能にし、省燃費と走行安定性の向上を図ることのできる車両の駆動力配分制御装置を提供する。【解決手段】前輪側と後輪側とに駆動力を配分するセンタークラッチと、前輪側又は後輪側の終減速装置と左右のドライブ軸との間に介装される左右のアクスルクラッチと、を有する車両の駆動力配分制御装置であって、走行路の路面摩擦係数に基づいて路面状態を判定する路面状態判定部と、路面状態に対応して、センタークラッチ及び左右のアクスルクラッチをともに開放する二輪駆動モード、センタークラッチ及び左右のアクスルクラッチをともに締結する全輪駆動モード、及びセンタークラッチ又は左右のアクスルクラッチのいずれか一方を開放し、他方を締結するスタンバイモード、を含む駆動モードのうちのいずれかの駆動モードに設定する駆動モード設定部とを備える。【選択図】図6


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    Title :

    DRIVING FORCE DISTRIBUTION CONTROL DEVICE OF VEHICLE


    Additional title:

    車両の駆動力配分制御装置


    Contributors:

    Publication date :

    2017-12-14


    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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