To provide a drive force transmission device which can quickly switch a drive state when changeover to a four-wheel drive state from a two-wheel drive state becomes necessary.SOLUTION: A drive force transmission device 1 mounted to a four-wheel drive vehicle 100 which can switch a four-wheel drive state that drive forces of an engine 102 are transmitted to front wheels 104L, 104R and rear wheels 105L, 105R, and a two-wheel drive state that the drive forces are transmitted only to the front wheels 104L, 104R, and capable of adjusting the drive forces transmitted to the rear wheels 105L, 105R comprises: a multiplate clutch 23; a piston 20 for pressing the multiplate clutch 23 to an axial direction; an actuator 30 for moving the piston 20 to the axial direction; and a control part 4 for controlling the actuator 30. When a prescribed condition that a possibility that changeover to the four-wheel drive state becomes necessary at the two-wheel drive state is high is satisfied, the control part 4 controls the actuator 30, and displaces the piston 20 to the multiplate clutch 23 side rather than an initial position by a prescribed amount.SELECTED DRAWING: Figure 6

    【課題】二輪駆動状態から四輪駆動状態への切り替えが必要となった際に、速やかに駆動状態の切り替えを行うことが可能な駆動力伝達装置を提供する。【解決手段】エンジン102の駆動力が前輪104L,104R及び後輪105L,105Rに伝達される四輪駆動状態と前輪104L,104Rのみに伝達される二輪駆動状態とを切り替え可能な四輪駆動車100に搭載され、後輪105L,105Rに伝達される駆動力を調節可能な駆動力伝達装置1は、多板クラッチ23と、多板クラッチ23を軸方向に押圧するピストン20と、ピストン20を軸方向移動させるアクチュエータ30と、アクチュエータ30を制御する制御部4とを備える。制御部4は、二輪駆動状態時に四輪駆動状態への切り替えが必要となる可能性が高い所定の条件が満たされたとき、アクチュエータ30を制御してピストン20を初期位置よりも多板クラッチ23側に所定量変位させる。【選択図】図6


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    Titel :

    DRIVE FORCE TRANSMISSION DEVICE


    Weitere Titelangaben:

    駆動力伝達装置


    Beteiligte:
    NOZU TOMOHIRO (Autor:in) / MATSUMOTO TSUTOMU (Autor:in) / KATO TOMOAKI (Autor:in) / KAKITA AKIYOSHI (Autor:in) / TANIGUCHI KENTA (Autor:in)

    Erscheinungsdatum :

    10.01.2019


    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



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