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    • 9. 发明授权
    • Hydraulic control apparatus of automatic transmission
    • 自动变速器液压控制装置
    • US08172711B2
    • 2012-05-08
    • US12717494
    • 2010-03-04
    • Kazunori IshikawaKazuyuki NodaAkihito IwataYuhei YoshiokaTatsuya KawamuraKoichi MiyamotoHideo Tomomatsu
    • Kazunori IshikawaKazuyuki NodaAkihito IwataYuhei YoshiokaTatsuya KawamuraKoichi MiyamotoHideo Tomomatsu
    • F16H61/12
    • F16H61/12F16H61/0251F16H2061/1204F16H2061/1264Y10T137/7837
    • A hydraulic control apparatus of an automatic transmission having engagement pressure solenoid valves configured to regulate an engagement pressure supplied to a hydraulic servo of a frictional engagement element and to output the engagement pressures from a predetermined number of the engagement pressure solenoid valves to establish respective transmission gear speeds. The hydraulic control apparatus includes a simultaneous engagement signal switch valve configured to be switched from a non-output position where an output of a simultaneous engagement signal pressure is not produced to an output position where an output of the simultaneous engagement signal pressure is produced upon receipt of an input of the engagement pressures by a number larger than the predetermined number of valves; and an original pressure switch valve configured to be switched from a supply position where an original pressure is supplied to the engagement pressure solenoid valves to a blocked position where the original pressure is blocked upon receipt of an input of the simultaneous engagement signal pressure from the simultaneous engagement signal switch valve.
    • 一种自动变速器的液压控制装置,具有接合压力电磁阀,其配置成调节供应到摩擦接合元件的液压伺服机构的接合压力,并从预定数量的接合压力电磁阀输出接合压力,以建立相应的传动齿轮 速度。 液压控制装置包括:同时接合信号切换阀,其被配置为从不产生同时接合信号压力的输出的非输出位置切换到在接收时产生同时接合信号压力的输出的输出位置 接合压力的输入大于预定数量的阀门; 以及初始压力开关阀,其被配置为从接收压力的供给位置切换到接合压力电磁阀到阻塞位置,在阻塞位置,当从同时接收到同时接合信号压力的输入时,原始压力被阻挡 接合信号开关阀。