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5 条记录 (耗时 0.011 秒)

    Method and arrangement for fuel quantity adjustment in connection with downshift
    2.
    发明授权
    Method and arrangement for fuel quantity adjustment in connection with downshift 失效
    降档调节燃油量的方法和装置

    公开(公告)号：US5754968A

    公开(公告)日：1998-05-19

    申请号：US405302

    申请日：1995-03-16

    申请人： Lars-Gunnar Hedstrom

    发明人： Lars-Gunnar Hedstrom

    IPC分类号： B60W10/06 ,  B60W10/10 ,  B60W30/18 ,  F02D35/00 ,  F02D41/04 ,  F02D41/12 ,  F02D45/00 ,  F16H59/20 ,  F16H59/66 ,  F16H61/04 ,  F16H61/21 ,  G06G7/70 ,  F16H59/30

    CPC分类号： B60W10/06 ,  B60W10/04 ,  B60W10/11 ,  B60W30/18 ,  B60W30/1819 ,  F02D35/00 ,  F02D41/04 ,  B60W2710/0622 ,  F16H59/20 ,  F16H59/66 ,  F16H61/0403 ,  F16H61/21 ,  F16H63/502 ,  Y10T477/693 ,  Y10T477/69335 ,  Y10T477/69364 ,  Y10T477/693754 ,  Y10T74/1926

    摘要： The invention relates to an improved method and arrangement for implementing that method, for obtaining in motor vehicles with mechanical stepped gearboxes with automatic gear changing a gentle and quiet engine adjustment during downshifts in normal operating situations and automatically in operating situations where a need for quicker downshifts requires quicker engine synchronisation. In normal operating situations, downshifts involve using only a limited fuel quantity, preferably corresponding to 20% of full-load fuel quantity, in order to raise the engine speed to the synchronous speed for the next gear, resulting in quieter engine adjustment without the occurrence of obvious disturbance of comfort, risk of losing downshifts or safety disadvantages. When there is a need for quicker gear changes, which is detected by any of the following conditions: accelerator pedal in kick-down position (82), accelerator pedal operated to more that 60% of full load, combined with activated hill climbing program (81), engine brake program activated (84), or too much vehicle deceleration during gear change (86), downshifts involve using a significantly larger fuel quantity (86), preferably corresponding to 50-100% of full-load fuel quantity, in order to raise the engine speed to the synchronous speed for the next gear.

    摘要翻译： 本发明涉及一种用于实现该方法的改进方法和装置，用于在具有机械级齿轮箱的机动车辆中获得机械级齿轮箱，其具有在正常操作情况下在降档期间自动换档平稳和安静的发动机调节，并且在需要更快降档的操作情况下 需要更快的发动机同步。 在正常运行情况下，降挡仅涉及使用有限的燃料量，优选对应于全负荷燃油量的20％，以便将发动机转速提高到下一档的同步转速，从而使发动机调节更安静，而不会发生 明显的舒适扰动，失去降档的风险或安全缺点。 当需要更快的换档时，可以通过以下任一条件检测到：加速踏板处于降档位置（82），加速踏板操作到满载的60％，并结合激活的爬山程序 81），发动机制动程序激活（84）或变速时车辆减速度过大（86）时，降挡涉及使用明显较大的燃料量（86），优选相当于满载燃料量的50-100％ 将发动机转速提升到下一档的同步转速。

    Transmission for a vehicle
    3.
    发明授权
    Transmission for a vehicle 失效
    车辆变速箱

    公开(公告)号：US5186291A

    公开(公告)日：1993-02-16

    申请号：US768722

    申请日：1991-10-08

    申请人： Lars-Gunnar Hedstrom ,  Bjorn Westman

    发明人： Lars-Gunnar Hedstrom ,  Bjorn Westman

    IPC分类号： F02B1/04 ,  F16H3/12 ,  F16H59/46 ,  F16H61/04

    CPC分类号： F16H3/12 ,  F16H61/0437 ,  F02B1/04 ,  F16H2003/123 ,  F16H59/46 ,  Y10T74/1926

    摘要： A transmission for a vehicle comprises a mechanical stepped gearbox (6) in front of which a hydraulic torque converter (5) is arranged. The torque converter (5) comprises a turbine wheel (19) which is connected to a turbine shaft (21). An input shaft (25) of the gearbox (6) is connected in a drive power-transmitting manner to the turbine shaft (21). In addition, a brake (34) is connected to the turbine shaft (21) or the input shaft (25), in which respect, on starting-up, the input shaft (25) can be stopped in order to permit engagement of a starting gear without the need to produce drive power interruption by means of a conventional clutch. The brake (34) is also used when changing-up for synchronization of the gearbox (6) together with an electrical control unit (32) for engine regulation. This allows the gear-changing in a mechanical, unsynchronized stepped gearbox to be carried out in a simple manner.

    摘要翻译： PCT No.PCT / SE91 / 00083 Sec。 371日期1991年10月8日 102（e）日期1991年10月8日PCT 1991年2月8日PCT PCT。 公开号WO91 / 12443 日期：1991年8月22日。一种用于车辆的变速器包括机械级齿轮箱（6），其前面配置有液压变矩器（5）。 变矩器（5）包括连接到涡轮轴（21）的涡轮机叶轮（19）。 齿轮箱（6）的输入轴（25）以驱动动力传递方式连接到涡轮轴（21）。 此外，制动器（34）连接到涡轮机轴（21）或输入轴（25），在这方面，在启动时，可以停止输入轴（25），以允许接合 起动装置，而不需要通过常规离合器产生驱动电力中断。 当用于齿轮箱（6）的同步改变以及用于发动机调节的电气控制单元（32）时，制动器（34）也被使用。 这允许以简单的方式进行机械的，不同步的阶梯式齿轮箱中的换档。

    Method and apparatus for controlling the speed of a motor vehicle
    4.
    发明授权
    Method and apparatus for controlling the speed of a motor vehicle 失效
    用于控制机动车辆速度的方法和装置

    公开(公告)号：US5003483A

    公开(公告)日：1991-03-26

    申请号：US327897

    申请日：1989-03-23

    申请人： Lars-Gunnar Hedstrom

    发明人： Lars-Gunnar Hedstrom

    IPC分类号： B60K31/04 ,  B60T10/02

    CPC分类号： B60T10/02 ,  B60K31/04 ,  Y10T477/676 ,  Y10T477/813

    摘要： A method and apparatus for controlling the speed of a motor vehicle in which a target speed is established and lowered upon each actuation of a driver-actuated brake. If the actual vehicle's speed exceeds the target speed, an auxiliary braking system is actuated to lower the actual vehicle speed to the target speed. If the vehicle's accelerator is thereafter actuated, the auxiliary braking system is disabled until the driver-actuated brake is again actuated.

    Method for control of engine torque during gear changing
    5.
    发明授权
    Method for control of engine torque during gear changing 失效
    变速时发动机转矩控制方法

    公开(公告)号：US5595551A

    公开(公告)日：1997-01-21

    申请号：US436622

    申请日：1995-05-08

    申请人： Lars-Gunnar Hedstrom ,  Roger Andersson ,  Goran Soderman ,  Torbjorn Gustavsson

    发明人： Lars-Gunnar Hedstrom ,  Roger Andersson ,  Goran Soderman ,  Torbjorn Gustavsson

    IPC分类号： B60K26/00 ,  B60W10/06 ,  B60W10/10 ,  B60W30/18 ,  F16H59/50 ,  F16H61/04 ,  F16H63/40 ,  F16H63/50 ,  B60K41/08

    CPC分类号： B60W10/11 ,  B60W10/04 ,  B60W10/06 ,  B60W30/1819 ,  B60W30/19 ,  F16H63/502 ,  B60W2710/0666 ,  F16H2063/506 ,  Y10T477/677

    摘要： The invention relates to an improved method for ensuring that at the time of disengagement of a gear in connection with changing gear in mechanical gearboxes without clutch disengagement the engine torque is adjusted to a zero-torque level which is continuously corrected on the basis of the instantaneous acceleration of the engine but also on the basis of the internal friction of the engine and on the basis of any power take-offs being powered by the engine.In gear changing, adjustment begins with a torque reduction at time t.sub.1. The torque is reduced to a zero-torque level M.sub.0 which is continuously variable during the reduction and which is adapted to the current engine deceleration and which is corrected by a friction factor M.sub.f and an acceleration factor M.sub.a. The friction factor M.sub.f is derived from a matrix M.sub.f (n,T) on the basis of current engine speed n and engine temperature T, and the acceleration factor M.sub.a is calculated continuously during the decrease (t1-t2) on the basis of the engine's moment of inertia and the instantaneous engine acceleration. The zero-torque level is also corrected on the basis of any power take-offs in operation, by means of a power take-off factor M.sub.pto. Both M.sub.pto and M.sub.f are updated to compensate for changes due to wear.

    摘要翻译： 本发明涉及一种改进的方法，用于确保在与离合器分离的机械齿轮箱中的变速齿轮相关联的齿轮脱离时，发动机扭矩被调节到零转矩水平，该零转矩水平基于瞬时 发动机的加速度，而且还基于发动机的内部摩擦和基于由发动机供能的任何动力输出的基础。 在换档时，调整开始于t1时刻的转矩减小。 扭矩降低到零转矩水平M0，该零转矩水平M0在减速期间可连续变化，并适应于当前的发动机减速度，并通过摩擦系数Mf和加速因子Ma进行校正。 基于当前发动机转速n和发动机温度T，从矩阵Mf（n，T）导出摩擦系数Mf，并且在减速（t1-t2）期间基于发动机的转速 转动惯量和瞬时发动机加速度。 通过功率输出因子Mpto也可以在运行中的任何功率起飞的基础上校正零转矩水平。 更新Mpto和Mf以补偿由于磨损造成的变化。