Lockup control system for torque converter
    3.
    发明授权
    Lockup control system for torque converter 失效
    变矩器闭锁控制系统

    公开(公告)号:US5616100A

    公开(公告)日:1997-04-01

    申请号:US579373

    申请日:1995-12-27

    摘要: An improved lockup control system for a lockup-type torque converter for automotive vehicle performs a coasting lockup control of a lockup clutch with minimized response delay of lockup releasing control and suppressed lockup releasing shock upon acceleration of the vehicle. The control system includes a controller that is operative when the driving condition of a vehicle as represented by the throttle valve opening and the vehicle speed is judged to belong to a lockup region. The controller reduces the differential pressure across the lockup clutch to a lower limit value within a range in which the clutch can be prevented from slips. Thus, when the vehicle is reaccelerated and the driving condition shifts out of the lockup region, the reduction amount of the differential pressure is minimized to mitigate the response delay in the lockup releasing control. The differential pressure is reduced gradually in the case of rapid acceleration to avoid occurrence of a lockup releasing shock, and instantaneously to a maximum value in the case of gradual acceleration when the lockup releasing shock is not a problem.

    摘要翻译: 用于机动车辆的锁定型变矩器的改进的锁定控制系统以最小化的锁定释放控制的响应延迟和车辆加速度的抑制锁止释放冲击来执行锁止离合器的惯性锁定控制。 控制系统包括控制器,当由节气门开度表示的车辆的驾驶状态和车速被判定为属于锁定区域时,该控制器可操作。 控制器将锁止离合器两端的差压降低到能防止离合器滑移的范围内的下限值。 因此,当车辆重新加速并且驱动条件从锁定区域移出时,差压减小量被最小化以减轻锁定释放控制中的响应延迟。 在快速加速的情况下,差压逐渐减小,以避免发生锁止释放冲击,并且当锁止释放冲击不成问题时,在逐渐加速的情况下,瞬时达到最大值。

    Wire harness arrangement of automatic transmission
    5.
    发明授权
    Wire harness arrangement of automatic transmission 失效
    线束布置自动变速箱

    公开(公告)号:US5000218A

    公开(公告)日:1991-03-19

    申请号:US370651

    申请日:1989-06-23

    CPC分类号: F16H61/0006 Y10T137/7043

    摘要: Herein disclosed is a wire harness arrangement of an automatic transmission control valve unit. Covered wires extend from a front surface of a body of the control valve unit to a rear surface of the same through a side surface of the same. A plurality of brackets are arranged on the front surface in a manner to define therebetween at least one guide channel in and along which the wires extend. Closure arms are bolted to one of the brackets to partially cover the guide channel thereby to prevent the wires from being disengaged from the guide channel. A cover member is bolted to the side surface of the control valve unit in a manner to retain the wires at the side surface.

    摘要翻译: 这里公开了一种自动变速器控制阀单元的线束装置。 覆盖线从控制阀单元的主体的前表面通过其侧表面延伸到其后表面。 多个托架以前述方式设置在前表面上,以在其间限定电线延伸的至少一个引导通道。 闭合臂被螺栓连接到其中一个支架以部分地覆盖引导通道,从而防止电线从引导通道脱离。 盖构件以将电线保持在侧表面的方式螺栓连接到控制阀单元的侧表面。

    Combined forward pressure and torque converter control for automatic
transmission
    6.
    发明授权
    Combined forward pressure and torque converter control for automatic transmission 失效
    组合前进压力和变矩器控制自动变速器

    公开(公告)号:US4843920A

    公开(公告)日:1989-07-04

    申请号:US896228

    申请日:1986-08-14

    IPC分类号: F16H61/14 F16H61/20 F16H61/64

    摘要: A control for an automatic transmission with a lock-up type torque converter, comprises a lock-up control valve, a forward clutch control valve, an electromagnetic valve, and a shuttle valve. The shuttle valve normally assumes a first position where a control signal regulated by the electromagnetic valve is supplied to the forward clutch control valve to render same to regulate forward pressure for activating a forward clutch. The shuttle valve shifts to a second position thereof when the transmission establishes forward speed ratios except the first speed ratio. In the second position of the shuttle valve, the control pressure regulated by the electromagnetic valve is supplied to the lock-up control valve to render same to effect slip control and lock-up control of the torque converter.

    摘要翻译: 具有锁止式变矩器的自动变速器的控制装置包括锁止控制阀,前进离合器控制阀,电磁阀和梭阀。 梭阀通常呈现第一位置,其中由电磁阀调节的控制信号被提供给前进离合器控制阀,以使其相应调节用于启动前进离合器的前进压力。 当变速器确定除了第一速度比之外的前进速比时,梭阀移动到其第二位置。 在往复阀的第二位置,由电磁阀调节的控制压力被提供给锁止控制阀,以实现变矩器的滑差控制和锁定控制。

    Downshift timing and engine brake control for automatic transmission
    7.
    发明授权
    Downshift timing and engine brake control for automatic transmission 失效
    降档定时和发动机制动控制自动变速箱

    公开(公告)号:US4753134A

    公开(公告)日:1988-06-28

    申请号:US905078

    申请日:1986-09-09

    申请人: Koichi Hayasaki

    发明人: Koichi Hayasaki

    摘要: A control system for an automatic transmission comprises an engine brake control valve, a downshift timing valve, an electro-hydraulic transducer operable in an engine brake control first mode or a downshift timing control second mode, a shuttle valve fluidly disposed between the electro-hydraulic transducer and the engine brake control valve and the downshift timing valve, and a controller for the electro-hydraulic transducer. The electro-hydraulic transducer is controlled to be maintained in ON state thereof during engine load range where the shuttle valve is designed to shift from one to the other position, thereby to render the engine brake inoperable even though the timing control may be carried out if the shuttle valve assumes the appropriate position.

    摘要翻译: 一种用于自动变速器的控制系统包括发动机制动控制阀,降档正时阀,可在发动机制动控制第一模式或降档定时控制第二模式中操作的电动液压变换器,流体地设置在电动液压 换能器和发动机制动控制阀和降档正时阀,以及用于电动液压换能器的控制器。 电动液压换能器被控制为在发动机负载范围内保持其接通状态,其中梭阀被设计成从一个位置移动到另一个位置,从而使得发动机制动不可操作,即使可以执行定时控制,如果 梭阀采取适当的位置。

    Transfer for motor vehicle
    9.
    发明授权
    Transfer for motor vehicle 失效
    转运汽车

    公开(公告)号:US5819192A

    公开(公告)日:1998-10-06

    申请号:US925633

    申请日:1997-09-09

    IPC分类号: B60K23/08

    CPC分类号: B60K23/0808

    摘要: There is disclosed a motor vehicle having a set of front wheels, a set of rear wheels, an engine, and a transmission driven by the engine and having a transmission output shaft. The motor vehicle further has a transfer including a variable torque trasmitting (VTT) clutch for varying a distribution of torque between the set of front wheels and the set of rear wheels depending upon degree of engagement thereof. A clutch activating pressure is generated and transmitted to the VTT clutch under the control of a mode selector valve.

    摘要翻译: 公开了一种具有一组前轮,一组后轮,发动机和由发动机驱动并具有变速器输出轴的变速器的机动车辆。 机动车辆还具有包括可变扭矩释放(VTT)离合器的转移件,用于根据其接合程度改变前轮组和后轮组之间的扭矩分布。 在模式切换阀的控制下产生离合器启动压力并传递到VTT离合器。

    Hydraulic pressure supply system for variable torque transfer of
four-wheel drive vehicle
    10.
    发明授权
    Hydraulic pressure supply system for variable torque transfer of four-wheel drive vehicle 失效
    用于四轮驱动车辆可变扭矩传递的液压供应系统

    公开(公告)号:US5644916A

    公开(公告)日:1997-07-08

    申请号:US320544

    申请日:1994-10-11

    申请人: Koichi Hayasaki

    发明人: Koichi Hayasaki

    CPC分类号: B60K23/0808 F16H2061/0258

    摘要: A hydraulic pressure supply system for a variable torque transfer of a four-wheel drive vehicle in which a driving-torque distribution ratio between front and rear road wheels is varied by adjusting a clutch pressure applied to a variable torque clutch assembled in said transfer, comprises an oil pressure source supplying a pressurized working fluid into a hydraulic line, at least one pressure regulating valve fluidly connected to the line for decreasingly regulating the pressurized working fluid at a predetermined clutch pressure, and a directional control valve fluidly connected to the pressure regulating valve for directing the clutch pressure to a transfer clutch. An electromagnetic solenoid valve is provided for controlling the pressure regulating valve and the directional control valve for selectively supplying one of a stand-by pressure and a clutch engaging pressure to the transfer clutch. The stand-by pressure is set to be slightly less than a predetermined pressure level at which the transfer clutch starts to engage.

    摘要翻译: 一种用于四轮驱动车辆的可变转矩传递的液压供应系统,其中通过调节施加到在所述转移中组装的可变转矩离合器的离合器压力来改变前后车轮之间的驱动扭矩分配比,包括 将加压工作流体供给到液压管路中的油压源,至少一个压力调节阀,其流体连接到所述管路,用于在预定离合器压力下逐渐调节所述加压工作流体;以及方向控制阀,其流体地连接到所述压力调节阀 用于将离合器压力引导到转移离合器。 提供一种用于控制压力调节阀和方向控制阀的电磁电磁阀,用于选择性地将待机压力和离合器接合压力中的一个提供给转移离合器。 待机压力被设定为略小于转印离合器开始啮合的预定压力水平。