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    • 5. 发明授权
    • Power unit for vehicle
    • 车辆动力单元
    • US08573085B2
    • 2013-11-05
    • US13233333
    • 2011-09-15
    • Kinya MizunoYoshiaki TsukadaMasaya MuraoYasushi Fujimoto
    • Kinya MizunoYoshiaki TsukadaMasaya MuraoYasushi Fujimoto
    • F16H3/08
    • F16H3/006F16H3/16F16H2200/2046
    • A power unit for a vehicle includes first and second clutches, that transmit/interrupt rotary power from a primary reduction gear mechanism to first and second main shafts, arranged at respective ends of the first and second main shafts with selectively established multispeed gears provided among a countershaft, and the first and second main shafts. The primary reduction gear mechanism includes: a single driving gear provided on a crankshaft; a first driven gear supported by a first main shaft for relative rotation therewith at a position adjacent to the first clutch and meshes with the driving gear; an intermediate driving gear rotating with the first driven gear; an idle gear that meshes with the intermediate driving gear, and supported by the countershaft for relative rotation therewith; and a second driven gear, that meshes with the idle gear, and supported by the second main shaft for relative rotation therewith.
    • 用于车辆的动力单元包括第一和第二离合器,其将第一和第二主轴的一次减速齿轮机构的旋转动力传递到/第一和第二主轴上,该第一和第二离合器设置在第一和第二主轴的相应端部, 中间轴,以及第一和第二主轴。 主减速机构包括:设置在曲轴上的单个驱动齿轮; 由第一主轴支撑的第一从动齿轮,用于在与第一离合器相邻的位置处与其相对旋转并与驱动齿轮啮合; 与所述第一从动齿轮一起旋转的中间驱动齿轮; 与中间驱动齿轮啮合的空转齿轮,并由中间轴支撑以与其相对旋转; 以及与所述空转齿轮啮合并由所述第二主轴支撑以与其相对旋转的第二从动齿轮。