Apparatus for controlling vehicle automatic transmission
    5.
    发明授权
    Apparatus for controlling vehicle automatic transmission 有权
    用于控制车辆自动变速器的装置

    公开(公告)号:US06729987B2

    公开(公告)日:2004-05-04

    申请号:US10206039

    申请日:2002-07-29

    IPC分类号: F16H3100

    摘要: Apparatus for controlling a vehicle automatic transmission having a hydraulically operated frictional coupling device operable to effect a shifting action of the automatic transmission, a switching valve operable according to a shifting command to effect the shifting action, and a pressure regulating valve operable to control a pressure of a working fluid to be supplied to the frictional coupling device through the switching valve to effect the shifting action, the apparatus including (a) a fluid temperature detector operable to detect a temperature of the working fluid, and (b) a delaying device operable to delay a moment of initiation of an operation of the pressure regulating valve to control the pressure of the working fluid to be supplied to the frictional coupling device for effecting the shifting action, such that the moment of initiation is delayed depending upon the detected working fluid temperature, to reduce a shifting shock of the automatic transmission.

    摘要翻译: 一种用于控制车辆自动变速器的装置,其具有可操作以实现自动变速器的换档动作的液压操作的摩擦联接装置,可根据变速指令操作以实现换档动作的切换阀,以及可操作以控制压力的压力调节阀 通过切换阀供应到摩擦联接装置以实现换档动作的工作流体,该装置包括(a)可操作以检测工作流体的温度的流体温度检测器,以及(b)可操作的延迟装置 延迟启动压力调节阀的操作的时刻,以控制供给到摩擦联接装置的工作流体的压力,以实现换档动作,使得起动时刻根据检测到的工作流体而被延迟 温度,以减少自动变速箱的移动冲击。

    Apparatus for controlling vehicle automatic transmission
    8.
    发明授权
    Apparatus for controlling vehicle automatic transmission 失效
    用于控制车辆自动变速器的装置

    公开(公告)号:US06702714B2

    公开(公告)日:2004-03-09

    申请号:US10205470

    申请日:2002-07-26

    IPC分类号: F16H6104

    摘要: An apparatus for controlling a vehicle automatic transmission having a hydraulically operated frictional coupling device operable to effect a shifting action of the automatic transmission, and an accumulator connected to the frictional coupling device, the apparatus including an accumulator-back-pressure learning compensation device operable to effect learning compensation of a back pressure of the accumulator such that an actual value of a rate of change of a rotating speed of a selected rotary element of the automatic transmission, which rotating speed changes as a result of the shifting action, approaches a predetermined target value, and an accumulator-back-pressure control device operable to control the back pressure, on the basis of an output of the accumulator-back-pressure leaning compensation device, whereby a shifting shock of the transmission can be reduced.

    摘要翻译: 一种用于控制车辆自动变速器的装置,具有可操作以实现自动变速器的换档动作的液压操作的摩擦联接装置,以及连接到摩擦联接装置的蓄能器,该装置包括蓄能器背压学习补偿装置, 对所述蓄能器的背压进行效果学习补偿,使得由于所述换档动作而使所述旋转速度变化的所述自动变速器的所选旋转元件的转速的实际变化率接近预定目标 以及蓄能器背压控制装置,其可以基于蓄能器背压倾斜补偿装置的输出来操作以控制背压,由此可以减小变速器的换档冲击。