To provide a four-wheel drive mechanism capable of reducing a driving loss in a two-wheel driving state even while keeping manufacturing cost low.SOLUTION: The four-wheel drive mechanism comprises: a first power transmission device that distributes and transmits power generated from a drive source to left and right front wheels; a propeller shaft that transmits the power rearward through the first power transmission device; and a second power transmission device that distributes and transmits the power to left and right rear wheels from the propeller shaft. The second power transmission device has a clutch device that releases engagement of a power transmission unit between the propeller shaft and the rear wheels when the rotational speed of the rear wheels is faster than that of the propeller shaft.SELECTED DRAWING: Figure 1

    【課題】本発明は、製造コストを低く抑えながらも二輪駆動状態における駆動損失を低減することができる四輪駆動機構を提供する。【解決手段】本発明の四輪駆動機構は、駆動源が発生した動力を左右の前輪のそれぞれに分配して伝達する第一動力伝達装置と、前記第一動力伝達装置を介して前記動力を後方に伝達するプロペラシャフトと、前記プロペラシャフトから左右の後輪のそれぞれに前記動力を分配して伝達する第二動力伝達装置と、を備える四輪駆動機構であって、前記第二動力伝達装置は、前記プロペラシャフトよりも前記後輪の回転速度が速い場合に前記プロペラシャフトと前記後輪との間における動力伝達部の係合を解くクラッチ装置を有することを特徴とする。【選択図】図1


    Access

    Download


    Export, share and cite



    Title :

    FOUR-WHEEL DRIVE MECHANISM


    Additional title:

    四輪駆動機構


    Contributors:

    Publication date :

    2022-01-04


    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



    Walking mechanism of four-wheel drive heading machine and four-wheel drive heading machine

    YAN HAIBO / LI WENLONG / LI MINGYU | European Patent Office | 2021

    Free access

    Four-wheel drive

    Engineering Index Backfile | 1938


    Four-wheel drive

    Koffman, J.L. / Carter, A.V. | Engineering Index Backfile | 1956


    Four-wheel drive

    Engineering Index Backfile | 1938


    Four-wheel-drive-wheel tractor

    YU JIANSHUAI / ZHAO HU / ZHANG HONGGUANG et al. | European Patent Office | 2023

    Free access