Shift control apparatus of working vehicle
    1.
    发明授权
    Shift control apparatus of working vehicle 失效
    作业车辆换档控制装置

    公开(公告)号:US06272415B1

    公开(公告)日:2001-08-07

    申请号:US09552157

    申请日:2000-04-14

    IPC分类号: B60K4106

    摘要: The invention provides a shift control apparatus of a working vehicle in which an excellent shift operability can be obtained without reference to an incline of a travelling road, a loading amount and a road condition without necessity of learning a time for controlling an engine. Accordingly, a controller outputs a command for setting a hydraulic pressure (Pn) of a clutch before a shift operation to 0 value at a time of starting the shift operation and a command for making a hydraulic pressure (Pa) of a clutch after the shift operation be gradually increased in point of time to an electromagnetic proportional control valve (16), changes a fuel injection amount command signal (Fi) to a fuel injection apparatus (19) from an accelerator injection amount signal (THo) on the basis of an accelerator pedal operating amount to a synchronous injection amount signal (THc) for controlling an engine rotational speed so that an absolute value of an input shaft conversion relative speed (Nr) is reduced, and changes the fuel injection amount command signal (Fi) from the synchronous injection amount signal (THc) to the accelerator injection amount signal (THo) when the absolute value of the input shaft conversion relative speed becomes smaller than a predetermined threshold (dNr).

    摘要翻译: 本发明提供了一种作业车辆的变速控制装置,其中不需要学习用于控制发动机的时间,就不需要参考行驶道路的倾斜,装载量和道路状况而获得优异的换档操作性。 因此,在变速操作开始时,控制器输出用于将变速操作前的离合器的液压(Pn)设定为0的指令,以及在变速后进行离合器的液压(Pa)的指令 在电磁比例控制阀(16)的时间点上逐渐增加操作,根据燃料喷射量信号(THo)将燃料喷射量指令信号(Fi)从加速器喷射量信号(THo)改变为燃料喷射装置(19) 加速器踏板操作量相对于用于控制发动机转速的同步喷射量信号(THc),使得输入轴转换相对速度(Nr)的绝对值减小,并且将燃料喷射量指令信号(Fi)从 当输入轴转换相对速度的绝对值变得小于预定阈值(d)时,加速器喷射量信号(THo)的同步喷射量信号(THc) Nr)。

    Automatic retarder controller
    3.
    发明授权
    Automatic retarder controller 有权
    自动减速器控制器

    公开(公告)号:US06299263B1

    公开(公告)日:2001-10-09

    申请号:US09381804

    申请日:1999-09-24

    IPC分类号: B60T832

    摘要: An automatic retarder controller for a vehicle, which can prevent overheating, and can more precisely control the vehicle speed to remain constant. For this purpose, in the automatic retarder controller which is mounted on a load-carrying vehicle together with a cooled retarder (31) for exerting a braking force in response to a driving signal, and which automatically controls the driving signal so that the slope descending speed of the vehicle remains nearly constant, a detector for detecting the loading weight of the vehicle is included, and the controller impresses the gain corresponding to the detected loading weight upon the driving signal while the controller controls the vehicle speed to remain constant.

    摘要翻译: 一种用于车辆的自动延迟器控制器,其可以防止过热,并且可以更精确地控制车辆速度保持恒定。 为此,在与用于施加响应于驱动信号的制动力的冷却延迟器(31)一起安装在载重车辆上的自动延迟器控制器中,并且自动控制驱动信号使得斜率下降 车辆的速度保持几乎恒定,包括用于检测车辆的装载重量的检测器,并且控制器在控制器控制车辆速度保持恒定的同时将对应于检测到的负载重量的增益施加在驱动信号上。