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    • 2. 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。
    • 4. 发明授权
    • Automatic speed changer
    • 自动变速箱
    • US07367915B2
    • 2008-05-06
    • US10522591
    • 2003-12-26
    • Kazumichi KayamaNobutada SugiuraShundo YamaguchiKazuhisa OzakiTomochika Inagaki
    • Kazumichi KayamaNobutada SugiuraShundo YamaguchiKazuhisa OzakiTomochika Inagaki
    • F16H3/62
    • F16H3/666F16H3/663F16H2200/0052F16H2200/2007
    • A planetary gear unit PR and a clutch C3 for outputting reduced speed rotation and a clutch C1 for connecting and disconnecting input of rotation of an input shaft to a sun gear S2 are located on one axial side of a planetary gear unit PU, and a clutch C2 for connecting and disconnecting input of rotation of the input shaft to the carrier CR2 is located on the axially opposite of the planetary gear unit PU. By doing so, as compared to a case wherein, for example, a clutch C1 and clutch C2 are both located between a pair of planetary gear units PR and PU, the planetary gear units PR and PU can be located more closely together, and the member that transmits the reduced speed rotation from planetary gear unit PR to planetary gear unit PU can be made shorter. Further, compared to the case wherein, for example, the clutches C1, C2, C3 are located on one axial side of the planetary gear units, the construction of the oil lines is simplified.
    • 行星齿轮单元PR和用于输出减速旋转的离合器C 3和用于将输入轴的旋转输入连接到太阳齿轮S 2的离合器C 1位于行星齿轮单元PU的一个轴向侧上, 并且用于将输入轴的旋转输入连接到行星架CR2的离合器C2位于行星齿轮单元PU的轴向相对的位置。 通过这样做,与例如离合器C 1和离合器C 2都位于一对行星齿轮单元PR和PU之间的情况相比,行星齿轮单元PR和PU可以更靠近地定位, 并且能够使从行星齿轮单元PR向行星齿轮单元PU传递减速旋转的构件更短。 此外,与例如离合器C 1,C 2,C 3位于行星齿轮单元的一个轴向侧的情况相比,油路的结构简化。