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    • 1. 发明授权
    • Vehicular automatic transmission
    • 车载自动变速器
    • US06176802B1
    • 2001-01-23
    • US09430181
    • 1999-10-29
    • Satoru KasuyaTomochika InagakiKazumasa TsukamotoMasahiro HayabuchiMasaaki NishidaKenji Gotou
    • Satoru KasuyaTomochika InagakiKazumasa TsukamotoMasahiro HayabuchiMasaaki NishidaKenji Gotou
    • F16H344
    • F16H3/663F16H2200/0052F16H2200/2007F16H2200/2023F16H2200/2046F16H2200/2097
    • A reduction in the weight and size of a speed-change mechanism is obtained by shortening a high-torque transmission system. The speed-change shock is attenuated by reducing an inertia torque in a muilti-stage vehicular automatic transmission. The vehicular automatic transmission is equipped with a planetary gear set that receives a decelerated rotation and a non-decelerated rotation as inputs and outputs a plurality of speed-change rotations, a reduction planetary gear, an input shaft that passes through an inner side of the planetary gear set, first and third clutches that couple the input shaft to two different speed-change elements of the planetary gear set respectively through the reduction planetary gear in an engageable and disengageable manner, and a second clutch that couples the input shaft to the other speed-change element of the planetary gear set in an engageable and disengageable manner. The reduction planetary gear and the third clutch for transmitting a high torque are arranged on one side of the planetary gear set, whereas the first clutch for transmitting a high torque is arranged on the other side of the planetary gear set.
    • 变速机构的重量和尺寸的减小通过缩短高转矩传动系统来获得。 通过减少多级车辆自动变速器中的惯性力矩来减速变速冲击。 车辆用自动变速器配备有行星齿轮组,其接收减速旋转和非减速旋转作为输入并输出多个变速旋转,减速行星齿轮,通过内侧的输入轴 行星齿轮组,第一和第三离合器,它们以可接合和可分离的方式分别通过所述还原行星齿轮将所述行星齿轮组的输入轴耦合到两个不同的变速元件;以及第二离合器,其将所述输入轴连接到另一个 行星齿轮组的变速元件以可接合和可分离的方式设置。 减速行星齿轮和用于传递高扭矩的第三离合器布置在行星齿轮组的一侧,而用于传递高扭矩的第一离合器布置在行星齿轮组的另一侧。
    • 4. 发明授权
    • Automatic transmission
    • 自动变速器
    • US06723018B2
    • 2004-04-20
    • US10038625
    • 2002-01-08
    • Masahiro HayabuchiMasaaki NishidaSatoru KasuyaKenji GotouToshihiko Aoki
    • Masahiro HayabuchiMasaaki NishidaSatoru KasuyaKenji GotouToshihiko Aoki
    • F16H362
    • F16H3/666F16H3/663F16H37/04F16H2003/445F16H2200/003F16H2200/0056F16H2200/0065F16H2200/0086F16H2200/2005F16H2200/2007F16H2200/201F16H2200/2023F16H2200/2048F16H2200/2051F16H2200/2097
    • A speed-reducing gear unit is provided for causing a reduced-speed rotation output member to have a reduced rotation that is slower than rotation of an input shaft. The reduced-speed rotation output member is switched between a reduced-speed rotation state and a free rotation state by rotation state switching means. The reduced-speed rotation of the reduced-speed rotation output member is selectively transferred to fourth and first elements of a speed-changing dual planetary gear unit via first and third control clutches. The rotation of the input shaft is transferred to a second element via a second control clutch. Rotations of the first and second elements are selectively restricted by first and second control brakes. A third element is connected to an output shaft. This makes it possible to provide a high-efficiency automatic transmission that achieves seven or more forward gear ratios so as to allow optimal extraction of engine performance in a high vehicle speed region and reduce the vehicle speed change at the time of a gear shift and therefore provide a good feeling, by adding gear speeds including a locked-up speed at a high gear speed side so that adjacent gear ratios are closer to each other.
    • 提供了一种减速齿轮单元,用于使减速旋转输出构件具有比输入轴的旋转慢的减小的旋转。 减速旋转输出构件通过旋转状态切换装置在减速旋转状态和自由旋转状态之间切换。 低速旋转输出构件的减速旋转通过第一和第三控制离合器选择性地传递到变速双行星齿轮单元的第四和第一元件。 输入轴的旋转通过第二控制离合器传递到第二元件。 第一和第二元件的旋转由第一和第二控制制动器选择性地限制。 第三元件连接到输出轴。 由此,能够提供实现七档以上前进档位的高效率​​的自动变速器,从而能够最佳地提高高速车速区域的发动机性能,并减少变速时的车速变化, 提供良好的感觉,通过在高速档侧增加包括锁定速度的齿轮速度,使得相邻的齿轮比彼此更接近。