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    • 10. 发明授权
    • Clutch device for an automatic transmission
    • 用于自动变速器的离合器装置
    • US5593016A
    • 1997-01-14
    • US417765
    • 1995-04-06
    • Kiyohito MurataYoshio Shindo
    • Kiyohito MurataYoshio Shindo
    • F16D23/12F16D25/02F16D25/0638F16D43/26F16H3/66F16H63/30F16D25/063
    • F16D25/0638F16D25/02F16H63/3026F16H2200/0043F16H2200/201F16H2200/2056F16H3/66
    • A clutch device which can perform the plural functions required in an automatic transmission is provided. As a result, it is possible to reduce the number of clutch devices required to obtain the desired gear ratios and shift operations. The clutch device, according to the present invention, comprises a pair of members spaced on a common axis and relatively rotating around the common axis, a variable length coupling member disposed on the common axis between the relatively rotating members and having a pair of cam members, and a piston member selectively pushing the variable length coupling member toward one of the relatively rotating members. The piston member causes frictional engagement between one end of the variable length coupling member and one of the relatively rotating members so that the cam members relatively rotate and cooperatingly generate a cam force, in an axial direction, which elongates the variable length coupling member and couples the relatively rotating members. The piston member pushes the variable length coupling member even when the direction of the relative rotation of the relatively rotating members is reversed.
    • 提供了能够执行自动变速器中所需的多种功能的离合器装置。 结果,可以减少获得所需传动比和换档操作所需的离合器装置的数量。 根据本发明的离合器装置包括一对在公共轴线上间隔开并围绕公共轴线相对旋转的构件,可变长度的联接构件,其设置在相对旋转构件之间的公共轴线上并具有一对凸轮构件 并且活塞构件选择性地将所述可变长度联接构件推向所述相对旋转构件中的一个。 活塞构件在可变长度联接构件的一端和相对旋转构件中的一个之间引起摩擦接合,使得凸轮构件相对旋转并协同地在轴向方向上产生凸轮力,该凸轮力使可变长度联接构件和连接件 相对旋转的构件。 即使当相对旋转的构件的相对旋转的方向相反时,活塞构件推动可变长度的联接构件。