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    Control device for vehicle automatic transmission
    2.
    发明公开
    Control device for vehicle automatic transmission 有权
    车辆自动变速器控制装置

    公开(公告)号：EP1033510A1

    公开(公告)日：2000-09-06

    申请号：EP00104660.6

    申请日：2000-03-03

    申请人： HONDA GIKEN KOGYO KABUSHIKI KAISHA

    发明人： Fujioka, Masato ,  Takahashi, Tooru ,  Nakajima, Kenji

    IPC分类号： F16H61/12

    CPC分类号： F16H61/12 ,  F16H61/0206 ,  F16H61/686 ,  F16H2059/006 ,  F16H2059/0221 ,  F16H2061/0253 ,  F16H2061/1204 ,  F16H2061/1232 ,  F16H2061/1264 ,  F16H2061/1268 ,  F16H2200/0052 ,  F16H2200/201 ,  F16H2200/2097 ,  F16H2306/00 ,  Y10S477/906

    摘要： A vehicle automatic transmission selectively establishes a plurality of shift ranges through a simultaneous engagement of the two hydraulic coupling elements C1, C2 of the first group and a simultaneous engagement of either one of the two hydraulic coupling elements of the first group and any one of the two or more hydraulic coupling elements C3, B1, B2 of the second group. A fail-safe valve 9 is interposed between an oil passage L3 communicating with the shift control valves 6 1 , 6 4 , 6 5 other than the shift control valves 6 2 , 6 3 corresponding to the hydraulic coupling elements C2, C3 that are being intended to establish a predetermined single shift range and an oil supply passage L2. A resultant signal valve is provided that is adapted to output a signal pressure when hydraulic pressures of the two hydraulic coupling elements C1, C2 of the first group are inputted into the resultant signal valve to be found that the hydraulic pressures of the two hydraulic coupling elements C1, C2 increase. The fail-safe valve 9 is constructed so as to be switched over to the closed position when hydraulic pressures of the respective hydraulic coupling elements C3, B1, B2 of the second group and the signal pressure are inputted into the fail-safe valve 9 to be found that any two or more of the hydraulic pressures and signal pressure increase at the same time.

    摘要翻译： 车辆自动变速器通过第一组的两个液压联接元件C1，C2的同时接合和第一组的两个液压联接元件中的任一个与第一组中的任一个的同时接合来选择性地建立多个变速范围， 第二组的两个或更多个液压联接元件C3，B1，B2。 故障安全阀9插入在与变速控制阀62,63相对应的换档控制阀61,64,65连通的油路L3之间，换档控制阀62,63对应于旨在建立预定的液压联接元件C2，C3 单变速档和供油通道L2。 提供合成信号阀，其适于在第一组的两个液压联接元件C1，C2的液压输入到合成信号阀中时输出信号压力，以发现两个液压联接元件 C1，C2增加。 故障安全阀9被构造成当第二组的各液压联接元件C3，B1，B2的液压和信号压力被输入到故障安全阀9中时被切换到关闭位置， 发现任何两个或更多的液压和信号压力同时增加。