Electro-hydraulic control system using shift valves for a hybrid drive unit
    2.
    发明授权
    Electro-hydraulic control system using shift valves for a hybrid drive unit 有权
    电动液压控制系统,使用混合动力装置的换档阀

    公开(公告)号:US08955661B2

    公开(公告)日:2015-02-17

    申请号:US13595203

    申请日:2012-08-27

    IPC分类号: F16D25/10 F16D25/12

    摘要: A valve body assembly for a hybrid drive unit includes a pressure regulator valve, a first on/off shift valve for controlling a stationary clutch, a second on/off shift valve for controlling a rotating clutch, and a third on/off shift valve for controlling a damper bypass clutch. The control system controls the stationary clutch and the rotating clutch to operate the hybrid drive unit in four different modes. The first shift valve, the second shift valve and the third shift valve do not include a regulated pressure feedback port, nor a pressure switch for indicating a clutch fill level.

    摘要翻译: 用于混合动力驱动单元的阀体组件包括压力调节阀,用于控制静止离合器的第一开/关换档阀,用于控制旋转离合器的第二开/关换档阀和用于控制旋转离合器的第三开/关换档阀, 控制阻尼器旁路离合器。 控制系统控制固定离合器和旋转离合器,以四种不同的模式操作混合动力驱动单元。 第一换档阀,第二换档阀和第三换档阀不包括调节压力反馈端口,也不包括用于指示离合器填充液位的压力开关。

    Transmission hydraulic control system having clutch compensator feed override
    4.
    发明授权
    Transmission hydraulic control system having clutch compensator feed override 有权
    变速箱液压控制系统具有离合器补偿器进给倍率

    公开(公告)号:US08613681B2

    公开(公告)日:2013-12-24

    申请号:US12622249

    申请日:2009-11-19

    IPC分类号: F16H31/00

    摘要: A hydraulic control system in a transmission includes a source of pressurized hydraulic fluid and a compensator valve in communication with the source of pressurized hydraulic fluid and a torque transmitting device. The compensator valve is operable to allow communication of the hydraulic fluid from the source of pressurized hydraulic fluid to the torque transmitting device to release the torque transmitting device. A regulation valve is in communication with the source of pressurized hydraulic fluid and the torque transmitting device. The regulation valve is moveable between a first position that prevents the hydraulic fluid from communicating with the torque transmitting device and a second position that allows the hydraulic fluid to communicate with the torque transmitting device to engage the torque transmitting device. An override feature is operable to prevent the compensator valve from communicating the hydraulic fluid to the torque transmitting device when the torque transmitting device is engaged.

    摘要翻译: 变速器中的液压控制系统包括加压液压流体源和与加压液压流体源和扭矩传递装置连通的补偿阀。 补偿阀可操作以允许液压流体从加压液压流体源传递到扭矩传递装置以释放扭矩传递装置。 调节阀与加压液压源和扭矩传递装置的源连通。 调节阀可以在防止液压流体与扭矩传递装置连通的第一位置和允许液压流体与扭矩传递装置连通以接合扭矩传递装置的第二位置之间移动。 当扭矩传递装置接合时,超控功能可操作以防止补偿阀将液压流体传递到扭矩传递装置。

    PRESSURE ASSISTED PARK SERVO
    5.
    发明申请
    PRESSURE ASSISTED PARK SERVO 有权
    压力辅助公园服务

    公开(公告)号:US20080214350A1

    公开(公告)日:2008-09-04

    申请号:US12029765

    申请日:2008-02-12

    IPC分类号: F16H31/00

    摘要: A pressure assisted park servo assembly for an automatic transmission includes a servo or spool valve which receives pressurized hydraulic fluid from various sources including two solenoid valves and transmission ports. The servo valve controls two flows of pressurized hydraulic fluid to a servo assembly to place the transmission in or release it from park. The improved park servo assembly exhibits enhanced operating speed.

    摘要翻译: 用于自动变速器的压力辅助驻车伺服组件包括伺服或滑阀,其从包括两个电磁阀和传输端口的各种源接收加压的液压流体。 伺服阀控制两个加压液压油流到伺服组件,以将变速器放置在公园内或将其从公园中释放。 改进的驻车伺服组件表现出增强的操作速度。

    Hydraulic actuator for transmissions having reduced noise
    7.
    发明授权
    Hydraulic actuator for transmissions having reduced noise 有权
    具有减少噪音的传动液压执行机构

    公开(公告)号:US08065930B2

    公开(公告)日:2011-11-29

    申请号:US12056004

    申请日:2008-03-26

    IPC分类号: B60K17/10 F15B15/22

    摘要: The present invention provides a three position hydraulic piston assembly for a gear ratio change mechanism for a transmission exhibiting reduced gear shift noise. The three position hydraulic piston assembly includes a master piston and motion retarding assemblies that act near both travel limits of the master piston. The master piston includes symmetrical passageways that provide hydraulic fluid flow to small chambers at each end of the piston that are closed off as the piston approaches its travel limits. Hydraulic fluid trapped in the chambers decelerates the piston and is bled off through an orifice allowing the piston to reach its travel limit and quickly and quietly engage a gear ratio.

    摘要翻译: 本发明提供一种用于变速器变速机构的三位液压活塞组件,其具有减小的换档噪音。 三位置液压活塞组件包括主活塞和运动阻尼组件,其在主活塞的两个运行极限附近作用。 主活塞包括对称通道,其提供液压流体流动到在活塞的每个端部处的小室,当活塞接近其行程极限时,该活塞被封闭。 捕集在室中的液压流体使活塞减速,并通过孔口流出,允许活塞达到其行程极限,并快速且安静地接合传动比。