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    • 10. 发明公开
    • Vehicle transmission
    • 车辆传输
    • EP1519084A3
    • 2012-05-02
    • EP04022811.6
    • 2004-09-24
    • NTN Corporation
    • Sahashi, KojiMakino, TomoakiMakino, Yusuke
    • F16H63/30F16H61/04
    • F16H63/304F16D41/04F16D41/086F16H3/089F16H61/0403F16H63/502F16H2063/3046F16H2063/3093F16H2306/48
    • A transmission for use in a vehicle includes a main shaft connected to an engine and carrying a plurality of first gears fuxed thereto, and a countershaft connected to drive wheels and carrying as many second gears as the first gears, each through a roller clutch which is selectively engaged and disengaged by energizing and deenergizing an electromagnetic clutch. Each of the first gears meshes with one of the second gears to provide a predetermined gear ratio that is different from the gear ratios provided by the other pairs. When a shift lever is moved from first to second position, an electronic control unit disengages the roller clutch corresponding to the second gear corresponding to the first position, adjusts the engine speed to synchronize the pair of gears corresponding to the second position with the countershaft, and engages the roller clutch corresponding to the second gear corresponding to the second position. Gear change can thus be made without depressing the clutch pedal to disengage the torque transmission clutch connected to the clutch pedal.
    • 一种用于车辆的变速器包括:主轴,其连接到发动机并且承载多个第一齿轮;以及副轴,其连接到驱动轮并且承载与第一齿轮一样多的第二齿轮,每个都通过辊式离合器 通过激励和断电电磁离合器选择性地接合和分离。 每个第一齿轮与第二齿轮中的一个啮合以提供与由其他对提供的齿轮比不同的预定齿轮比。 当换档杆从第一位置移动到第二位置时,电子控制单元使与对应于第一位置的第二档对应的滚柱离合器分离,调整发动机速度以使对应于第二位置的一对档位与副轴同步, 并啮合对应于与第二位置对应的第二齿轮的滚子离合器。 因此可以在不压下离合器踏板的情况下进行换档,以使与离合器踏板连接的扭矩传递离合器分离。