Method for active engine stop of a hybrid electric vehicle
    21.
    发明授权
    Method for active engine stop of a hybrid electric vehicle 有权
    混合动力汽车的主动发动机停止方法

    公开(公告)号:US07217221B2

    公开(公告)日:2007-05-15

    申请号:US10846144

    申请日:2004-05-14

    Abstract: A method for providing an active engine stop of the engine of a hybrid electric vehicle. The method utilizes the electric machine to oppose and rapidly stop the rotation of the engine at a controlled rate. The method includes the calculation of an input speed reduction trajectory using the engine speed when the active engine stop request is made and a predetermined speed reduction interval. The speed reduction interval is less than a time from the active stop request to the shutoff command to the electric machine The method provides rapid deceleration of the engine, particularly through the powertrain resonance speed, reducing the amount of vibration energy dissipated through the powertrain and chassis. The method removes the electric machine torques from the engine prior to achieving zero engine speed in order to avoid imparting a negative engine speed or counter-rotation of the engine.

    Abstract translation: 一种用于提供混合动力汽车的发动机的主动发动机停止的方法。 该方法利用电机以受控的速度对抗并快速停止发动机的旋转。 该方法包括当进行主动发动机停止请求时,使用发动机转速计算输入减速轨迹和预定的减速间隔。 减速间隔小于从主动停止请求到关机指令到电机的时间。该方法提供了发动机的快速减速,特别是通过动力传动系共振速度,减少了通过动力总成和底盘消散的振动能量 。 该方法在实现零发动机转速之前消除了发动机的电机扭矩,以避免赋予发动机负的发动机转速或反转。

    ROTATING CLUTCH BALANCE FILL SYSTEM
    22.
    发明申请
    ROTATING CLUTCH BALANCE FILL SYSTEM 有权
    旋转离合器平衡填充系统

    公开(公告)号:US20130296092A1

    公开(公告)日:2013-11-07

    申请号:US13464536

    申请日:2012-05-04

    CPC classification number: F16D25/12 F16D25/0638

    Abstract: A rotating clutch operably disposed between two rotating components includes a hydraulic operator having a piston and, on one side of the piston, an apply chamber or cavity and, on the opposite side of the piston, a balance chamber or cavity. The apply chamber is selectively provided with pressurized hydraulic fluid to engage and release the clutch to couple and de-couple the two rotating components. The balance chamber is provided with a flow of pressurized hydraulic fluid from the transmission lubrication system that flows through the transmission main shaft and flow restricting passages to the balance chamber. An exhaust port downstream of the balance chamber releases excess hydraulic fluid flow. Thus, whether, the clutch is rotating or not, hydraulic pressure is maintained in the balance chamber and proper clutch operation is assured.

    Abstract translation: 可操作地设置在两个旋转部件之间的旋转离合器包括具有活塞的液压操作器,并且在活塞的一侧上具有施加室或空腔,并且在活塞的相对侧上具有平衡室或空腔。 施加室选择性地设置有加压液压流体以接合和释放离合器以耦合和解耦两个旋转部件。 平衡室设置有来自变速器润滑系统的加压液压流体流,其通过变速器主轴和流动限制通道流到平衡室。 平衡腔下游的排气口释放多余的液压流体流量。 因此,离合器是否旋转,液压保持在平衡室中,并确保合适的离合器操作。

    Hydraulic Control System for Multi-Mode Hybrid Transmission and Method of Regulating the Same
    26.
    发明申请
    Hydraulic Control System for Multi-Mode Hybrid Transmission and Method of Regulating the Same 有权
    多模混合传动液压控制系统及其调节方法

    公开(公告)号:US20090247353A1

    公开(公告)日:2009-10-01

    申请号:US12172290

    申请日:2008-07-14

    Abstract: A hydraulic control system for distributing pressurized fluid to a multi-mode hybrid-type power transmission is provided, as well as a method for regulating the same. The hydraulic control system includes an engine-driven main pump in fluid communication with a main regulator valve, and an electrically-driven auxiliary pump in fluid communication with an auxiliary regulator valve. One pressure control solenoid provides feedback (boost) pressure to both regulator valves, and thereby modify output of the main and auxiliary pumps. A controller selectively modifies distribution of boost pressure to ensure a continuous and controllable feed of hydraulic pressure to the transmission during all vehicle operations. The method includes: determining if the vehicle is transitioning to engine auto-start or auto-stop; determining the line pressure requirements of the transmission under current operating conditions; starting the oncoming-pump; adjusting PCS command so started oncoming-pump pressure equals line pressure requirements; and shutting down off-going-pump.

    Abstract translation: 提供了一种用于将加压流体分配到多模混合型动力传动装置的液压控制系统,以及一种用于调节加压流体的方法。 液压控制系统包括与主调节阀流体连通的发动机驱动主泵和与辅助调节阀流体连通的电动辅助泵。 一个压力控制螺线管为两个调节阀提供反馈(升压)压力,从而修改主泵和辅助泵的输出。 控制器选择性地改变增压压力的分布,以确保在所有车辆操作期间连续且可控地向变速器供给液压。 该方法包括:确定车辆是否正在转换到发动机自动启动或自动停机; 确定当前运行条件下传输的线路压力要求; 启动迎面而来的泵; 调整PCS命令,使得即将到来的泵压力等于管路压力要求; 并关闭脱水泵。

    Method of automatically flushing debris from an electrically-operated hydraulic valve
    27.
    发明授权
    Method of automatically flushing debris from an electrically-operated hydraulic valve 有权
    自动冲洗电动液压阀碎屑的方法

    公开(公告)号:US07214165B2

    公开(公告)日:2007-05-08

    申请号:US10846139

    申请日:2004-05-14

    Abstract: The normal control of an electrically-activated hydraulic valve armature is overridden to automatically and periodically open the armature for flushing out debris that has accumulated between the armature and a seat that the armature is designed to engage. The valve develops fluid pressure for maintaining engagement of a motor vehicle transmission clutch, and when excessive slippage of the clutch is detected, the armature is forced into engagement with the seat until the slippage is reduced or a predetermined period of time has elapsed, after which the armature is temporarily positioned away from the seat to provide full flow of hydraulic fluid across the seat to flush out debris that prevents the armature from engaging the seat. During Neutral operation of the transmission, the armature is continuously positioned away from the seat, and during low torque conditions the armature is temporarily positioned away from the seat.

    Abstract translation: 电动液压阀电枢的正常控制被覆盖以自动和周期性地打开电枢,用于冲洗积聚在电枢和衔铁被设计成接合的座之间的碎屑。 阀门产生用于保持机动车辆变速器离合器的接合的流体压力,并且当检测到离合器的过度滑动时,电枢被迫与座椅接合,直到滑动减小或经过预定时间段,之后 电枢临时定位成远离座椅,以提供穿过座椅的全部液压流体流动,以冲洗妨碍电枢接合座椅的碎屑。 在变速器的中立操作期间,电枢被连续地定位成远离座椅,并且在低扭矩状态期间,电枢被暂时定位成远离座椅。

    Integrated motor cooling/clutch backfill system for use in a hybrid transmission
    30.
    发明授权
    Integrated motor cooling/clutch backfill system for use in a hybrid transmission 有权
    用于混合变速器的集成电机冷却/离合器回填系统

    公开(公告)号:US08100800B2

    公开(公告)日:2012-01-24

    申请号:US12256520

    申请日:2008-10-23

    Abstract: A fluid is supplied to a housing of a hybrid transmission. An overall system line pressure is elevated to induce leakage of the fluid through a control system. The leaked fluid is flowed through at least one backfill passage to the housing of the hybrid transmission. The leaked fluid is flowed over the motors disposed within the housing to cool the motors. The fluid that is flowed over the motors is collected to create a head pressure within the housing. The head pressure forces the collected fluid upwards within the transmission housing and into clutches that are disposed therein.

    Abstract translation: 流体被供应到混合变速器的壳体。 整个系统管路压力升高以引起流体通过控制系统的泄漏。 泄漏的流体通过至少一个回填通道流到混合变速器的壳体。 泄漏的流体流过设置在壳体内的马达,以冷却马达。 流过电动机的流体被收集以在壳体内产生头部压力。 头部压力迫使所收集的流体在变速器壳体内向上并设置在其中的离合器中。

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