SELECTION OF LAUNCH RATIO IN A MULTI-SPEED AUTOMATIC TRANSMISSION
    2.
    发明申请
    SELECTION OF LAUNCH RATIO IN A MULTI-SPEED AUTOMATIC TRANSMISSION 审中-公开
    在多速自动变速器中选择起动比

    公开(公告)号:WO2015024793A1

    公开(公告)日:2015-02-26

    申请号:PCT/EP2014/067040

    申请日:2014-08-07

    Abstract: A method and apparatus for modifying the shift map of an automatically controlled vehicle transmission having individually selectable speed ratios. A calibrator determines launch ratio from a plurality of speed ratios and is responsive to ambient pressure and/or ambient temperature. The calibrator may be further responsive to engine speed, engine temperature, transmission temperature, gradient and direction of gradient.

    Abstract translation: 一种用于修改具有单独选择的速度比的自动控制车辆变速器的换挡图的方法和装置。 校准器确定从多个速度比的发射比,并响应于环境压力和/或环境温度。 校准器可以进一步响应发动机转速,发动机温度,变速温度,梯度和梯度方向。

    METHOD AND APPARATUS FOR DOWNSHIFTING AN AUTOMATIC VEHICLE TRANSMISSION
    4.
    发明申请
    METHOD AND APPARATUS FOR DOWNSHIFTING AN AUTOMATIC VEHICLE TRANSMISSION 审中-公开
    用于下车自动车辆传输的方法和设备

    公开(公告)号:WO2015024792A2

    公开(公告)日:2015-02-26

    申请号:PCT/EP2014/067039

    申请日:2014-08-07

    CPC classification number: F16H61/16 F16H61/04 F16H2061/0444 F16H2306/14

    Abstract: A multi-speed automatic vehicle transmission has an electronic control unit which permits multiple downshifts if certain conditions are satisfied. Such downshifts are direct and omit engagement and disengagement of one or more intermediate speed ratios. Multiple downshifting may allow the actual speed ratio to better match the ideal speed ratio, for example under heavy braking.

    Abstract translation: 多速自动车辆变速器具有电子控制单元,其在满足特定条件时允许多次降档。 这种降档是直接的并且省略一个或多个中间速比的接合和分离。 多次降档可能会使实际速度比例更好地匹配理想速度比率,例如在强烈制动的情况下。

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