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    AUTOMATIC TRANSMISSION FOR VEHICLE
    1.
    发明公开
    AUTOMATIC TRANSMISSION FOR VEHICLE 审中-公开
    车辆自动变速器

    公开(公告)号：EP2792906A1

    公开(公告)日：2014-10-22

    申请号：EP12858338.2

    申请日：2012-11-16

    申请人： Jatco Ltd ,  Nissan Motor Co., Ltd

    发明人： TAKEUCHI, Toru ,  SUGAYA, Shoji ,  OGURI, Kazuo ,  WATANABE, Kenichi ,  AOTA, Kazuaki ,  INUTA, Yukiyoshi ,  OKUDA, Takayuki ,  MUELLER, Joerg ,  RESCH, Rico ,  LEESCH, Mirko

    IPC分类号： F16H3/66

    CPC分类号： F16H3/62 ,  F16H3/66 ,  F16H2200/0043 ,  F16H2200/0065 ,  F16H2200/2012 ,  F16H2200/2046 ,  F16H2200/2097

    摘要： The purpose of the invention is to provide an automatic transmission devised to reduce manipulation discomfort between a forward first-speed and a reverse-speed while also minimizing any increase in scale of planetary gear sets. When the three rotational elements of each of the first to fourth planetary gear sets 2-5 are arranged on a common velocity diagram in dependence upon distances corresponding to teeth-number ratios of the first to fourth planetary gear sets 2-5, the respective rotational elements are defined as first to twelfth elements in order of arrangement on the common velocity diagram. The first planetary gear set 2 is configured to integrally rotate by a first clutch 8. The first element 22 is coupled with the fifth element 34. The second element 24 is configured to be locked through a first brake 6 to a stationary section 13 and configured to be coupled through a second clutch 9 with the ninth element 41. The third element 21 is coupled with the input shaft 1. The fourth element 32 is configured to be coupled through a third clutch 10 with the ninth element 41. The sixth element 31 is locked to the stationary section 13. The seventh element 42 is configured to be locked through a second brake 7 to the stationary section 13. The eighth element 44 is coupled with an output shaft 12. The ninth element 41 is coupled with the twelfth element 51. The tenth element 52 is configured to be coupled through a fourth clutch 11 with the output shaft 12. The eleventh element 54 is coupled with the input shaft 1.

    摘要翻译： 本发明的目的是提供一种自动变速器，其被设计成减少前进一档和倒档之间的操纵不适，同时还使行星齿轮组的规模增加最小化。 当第一至第四行星齿轮组2-5中的每一个的三个旋转元件根据对应于第一至第四行星齿轮组2-5的齿数比的距离布置在公共速度图上时，相应的旋转 元素按照公共速度图上的排列顺序定义为第一到第十二个元素。 第一行星齿轮组2构造成通过第一离合器8一体地旋转。第一元件22与第五元件34联接。第二元件24构造成通过第一制动器6锁定到静止部分13并且构造成 通过第二离合器9与第九元件41联接。第三元件21与输入轴1联接。第四元件32构造成通过第三离合器10与第九元件41联接。第六元件31 锁定到静止部分13.第七元件42构造成通过第二制动器7锁定到静止部分13.第八元件44与输出轴12联接。第九元件41与第十二元件 第十元件52构造成通过第四离合器11与输出轴12联接。第十一元件54与输入轴1联接。