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    • 26. 发明授权
    • Automatic transmission for vehicle
    • 汽车自动变速箱
    • US06517463B2
    • 2003-02-11
    • US09757708
    • 2001-01-11
    • Nobutada SugiuraTakuya IshiiMinoru TodoKazuhisa OzakiYouichi HayakawaHiroshi ItoToshiki KanadaYasuo HojoYuji Kashihara
    • Nobutada SugiuraTakuya IshiiMinoru TodoKazuhisa OzakiYouichi HayakawaHiroshi ItoToshiki KanadaYasuo HojoYuji Kashihara
    • F16H344
    • F16H3/666F16H3/663F16H2200/0047F16H2200/0052F16H2200/2007F16H2200/201F16H2200/2023
    • A compact automatic transmission for a vehicle capable of preventing increase in relative rotational speed between shift elements. A planetary gear unit is provided with a sun gear to which rotation of an input shaft is input, a carrier that can be stopped from rotating, and a ring gear for outputting, to a planetary gear set, rotation that is reduced in speed relative to that of the input shaft. A clutch is connected/disconnected, the input shaft and the sun gear are appropriately connected/disconnected, and the carrier is appropriately stopped/unstopped by a brake and a one-way clutch. This prevents relative rotational speed between shift elements of the gear unit that does not participate in a shifting operation from excessively increasing. When the clutch is disposed between the input shaft and the sun gear, the torque capacity of the clutch can be reduced as compared with the case where it is disposed between the gear unit and the gear set. Therefore, the clutch can be formed into a more compact structure and the overall automatic transmission can be made more compact.
    • 一种用于车辆的紧凑型自动变速器,其能够防止变速元件之间的相对转速增加。 行星齿轮单元设置有输入轴的旋转的太阳齿轮,可以停止旋转的载体,以及用于向行星齿轮组输出相对于行星齿轮组减速的旋转的齿圈 输入轴的。 离合器连接/断开,输入轴和太阳齿轮适当地连接/断开,并且载体被制动器和单向离合器适当地停止/停止。 这防止了不参与换档操作的减速器的换档元件之间的相对转速过度增加。 当离合器设置在输入轴和太阳齿轮之间时,与设置在减速器和齿轮组之间的情况相比,可以减小离合器的扭矩能力。 因此,离合器可以形成为更紧凑的结构,并且可以使整体自动变速器更紧凑。
    • 27. 发明授权
    • Speed change apparatus
    • 变速装置
    • US07998011B2
    • 2011-08-16
    • US12314057
    • 2008-12-03
    • Takuya IshiiMinoru Todo
    • Takuya IshiiMinoru Todo
    • F16H31/00F16D47/04
    • F16H3/666F16D13/683F16D25/0638F16D25/10F16D2048/0212F16H3/663F16H2200/006F16H2200/0086F16H2200/2007F16H2200/2046F16H2200/2048
    • A speed change apparatus includes a first clutch having a first clutch drum, in which an annular clutch plate is spline-fitted to an inner peripheral surface of the first clutch drum, and a clutch piston formed with a spline on an inner peripheral surface of the clutch piston is provided to slide in an axial direction and press the clutch plate; and a second clutch having a second clutch drum, which is disposed in the clutch piston of the first clutch concentrically with the first clutch, and in which a spline is formed on inner and outer peripheral surfaces of the second clutch drum such that outer peripheral surface spline teeth form inner peripheral surface spline grooves. Wherein the outer peripheral surface of the second clutch drum is spline-fitted to the inner peripheral surface of the clutch piston and an annular clutch plate is spline-fitted to the inner peripheral surface of the second clutch drum.
    • 一种变速装置包括:具有第一离合器鼓的第一离合器,其中环形离合器片花键配合到第一离合器鼓的内周面;以及离合器活塞,其在所述第一离合器的内周面上形成有花键 离合器活塞设置成沿轴向滑动并按压离合器板; 以及具有第二离合器鼓的第二离合器,所述第二离合器鼓与所述第一离合器同心地配置在所述第一离合器的离合器活塞中,并且在所述第二离合器鼓的内周面和外周面上形成有花键, 花键齿形成内周面花键槽。 其中第二离合器鼓的外周表面花键配合到离合器活塞的内周表面,并且环形离合器片花键配合到第二离合器鼓的内周表面。