PROBLEM TO BE SOLVED: To provide a four-wheel drive vehicle, which can suppress generation of abnormal sound in an all cylinder operation mode and also suppress generation of abnormal sound in a cylinder reducing operation mode.SOLUTION: A four-wheel drive vehicle 10, which has torque transmitting means that transmits output torque of an engine 14 to front wheels 12F and rear wheels 12R and a coupling 28 for adjusting torque to be distributed to the rear wheels 12R, is provided with abnormal sound suppressing means 34 that increases the distribution of torque to the rear wheels 12R so as to suppress generation of abnormal sound when the torque transmitting means is in a first operation area where the means becomes an abnormal sound generation state in an all-cylinder operation mode. The abnormal sound suppressing means 34, in a cylinder reducing operation mode, increases the distribution of torque to the rear wheels 12R so as to suppress generation of abnormal sound when the torque transmitting means is in a second operation area including the operation area where the means becomes the abnormal sound generation state in the cylinder reducing operation mode where speed of the engine is higher than in the first operation area.SELECTED DRAWING: Figure 1

    【課題】四輪駆動車において、全筒運転モードで異音の発生を抑制すると共に減筒運転モードで異音の発生を抑制することができるようにする。【解決手段】エンジン14の出力トルクを前輪12Fと後輪12Rに伝達するトルク伝達手段と、後輪12Rに配分するトルクを調整するカップリング28とを有する四輪駆動車10に、全筒運転モードでトルク伝達手段が異音発生状態となる第1運転領域にあるときに異音の発生を抑制するように後輪12Rに対するトルク配分を増大させる異音抑制手段34が備えられ、異音抑制手段34は、減筒運転モードでは、第1運転領域よりも高エンジン回転数側の減筒運転モードでトルク伝達手段が異音発生状態となる運転領域を含む第2運転領域にあるときに異音の発生を抑制するように後輪12Rに対するトルク配分を増大させる。【選択図】図1


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    Titel :

    CONTROL DEVICE OF FOUR-WHEEL DRIVE VEHICLE AND FOUR-WHEEL DRIVE VEHICLE


    Weitere Titelangaben:

    四輪駆動車の制御装置及び四輪駆動車


    Beteiligte:

    Erscheinungsdatum :

    2016-08-04


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    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 / F02D CONTROLLING COMBUSTION ENGINES , Steuern oder Regeln von Brennkraftmaschinen



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