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    Torque converter lockup clutch control for an automatic transmission
    1.
    发明授权
    Torque converter lockup clutch control for an automatic transmission 失效
    用于自动变速箱的扭矩转换器锁止离合器控制

    公开(公告)号：US4876923A

    公开(公告)日：1989-10-31

    申请号：US217723

    申请日：1988-07-11

    申请人： Scott R. Crandall ,  Timothy A. Droste ,  Stanley D. Rosen

    发明人： Scott R. Crandall ,  Timothy A. Droste ,  Stanley D. Rosen

    IPC分类号： F16H61/00 ,  F16H61/14

    CPC分类号： F16H61/143 ,  F16H61/0021 ,  Y10T477/635

    摘要： A torque converter lockup clutch is pressurized from a source of regulated line pressure through a lockup clutch control valve, which directs pressure to either of two passages to apply and release the clutch. The control valve is supplied with control pressure from a solenoid-operated valve that produces high and low fluid pressure states corresponding to commands to engage and release the lockup clutch. A second control pressure, opposing the effect of the solenoid-operated control pressure, is applied to the control valve when the vehicle operator manually selects certain gear ratios, principally the lowest forward and reverse gear ratios. A line pressure regulator valve produces line pressure whose magnitude is proportional to the magnitude of a control pressure representing a commanded engine torque output. The pressure produced when the vehicle operator manually selects low gear ratios is applied also to the main regulator valve, which produces a line pressure that varies linearly with engine torque control pressure and increases, in comparison to line pressure at all other gear ratios, when low gear ratios are selected. A converter regulator valve limits the level of line pressure directed by the main regulator valve to the converter clutch control valve.

    摘要翻译： 变矩器锁止离合器从调节管路压力源通过锁止离合器控制阀加压，该锁止离合器控制阀将压力引导到两个通道中的任一个以施加和释放离合器。 向控制阀提供来自电磁阀的控制压力，其产生对应于接合和释放锁止离合器的命令的高和低流体压力状态。 当车辆操作员手动选择某些传动比（主要是最低的前后传动比）时，向控制阀施加与电磁操作控制压力相反的第二控制压力。 线路压力调节阀产生管路压力，其大小与表示发动机扭矩输出的控制压力的大小成比例。 当车辆操作员手动选择低速比时产生的压力也适用于主调节阀，其产生线性压力，其随发动机扭矩控制压力线性变化，并且与所有其它齿轮比下的管线压力相比增加，当低 选择齿轮比。 A转换器调​​节阀将由主调节阀引导的管路压力水平限制在转换器离合器控制阀上。

    Power transmission mechanism with a hydrokinetic torque converter having a lockup clutch
    4.
    发明授权
    Power transmission mechanism with a hydrokinetic torque converter having a lockup clutch 失效
    具有锁止离合器的动力变矩器的动力传递机构

    公开(公告)号：US4468989A

    公开(公告)日：1984-09-04

    申请号：US319830

    申请日：1981-11-09

    申请人： Stanley D. Rosen

    发明人： Stanley D. Rosen

    IPC分类号： F16H61/04 ,  F16H61/02 ,  F16H61/06 ,  F16H61/08 ,  B60K41/12 ,  F16H3/74 ,  F16H47/00

    CPC分类号： F16H61/068 ,  F16H61/08 ,  Y10T477/69383

    摘要： A control valve system for an automatic power transmission mechanism having planetary gearing defining plural torque delivery paths comprising fluid pressure servo operated brakes and clutches and a vehicle speed sensitive servo release shuttle valve which cooperates with the timing valve circuit to establish a first timed relationship between the application and release of the servos during a ratio change from the high ratio to an intermediate underdrive ratio at a relatively high speed and for establishing a different timing relationship between those circuit elements during a corresponding ratio change at a lower vehicle speed, the rate of application of the underdrive ratio servo during a ratio change from the lowest ratio to an intermediate underdrive ratio being calibrated independently of the calibration required for a ratio change from the high speed ratio to the same intermediate underdrive ratio.

    摘要翻译： 一种用于自动动力传递机构的控制阀系统，其具有行星齿轮传动装置，其限定多个扭矩传递路径，其包括流体压力伺服操作的制动器和离合器以及车速敏感伺服释放梭阀，其与定时阀电路配合以建立第一定时关系 以较高的速率从高比变化到中间欠驱动比的伺服机构的应用和释放，以及在较低车速下相应的比率变化期间在这些电路元件之间建立不同的定时关系，应用速率 在从最低比率到中间欠驱动比的比率变化期间，根据从高速比到相同中间欠驱动比的比率变化所需的校准，校正欠驱动比伺服。