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    • 11. 发明申请
    • ELECTRIC POWER STEERING ASSEMBLY
    • 电力转向装置
    • WO2014159032A1
    • 2014-10-02
    • PCT/US2014/021599
    • 2014-03-07
    • TRW AUTOMOTIVE U.S. LLC
    • WEBBER, PaulDIXON, AndrewKALCZYNSKI, ColleenSANTORI, John, F.SPETZ, JohnWU, ChangmingURBACH, BrianBUGOSH, Mark
    • B62D3/06B62D5/04
    • B62D5/0424B62D5/0448F16C35/067F16C2326/24Y10T74/18576
    • A rack drive assembly adapted for use in a vehicle electric power steering assembly includes a bearing assembly disposed in a rack housing and carried by a ball nut assembly for rotatably supporting the ball nut assembly relative to a steering member; and a spanner nut carried by the rack housing for securing the bearing assembly in the rack housing. A first isolator, a second isolator and a first shim are provided wherein the first isolator is disposed between an inner surface of the housing and a first surface of an outer race of the bearing, the second isolator is disposed between an opposite second surface of the outer race of said bearing and the first shim, the first shim is disposed between the second isolator and the spanner nut. The first shim is provided with a member configured to be coupled to the housing to allow for axial movement but prevent rotational motion of the shim during installation of the spanner nut.
    • 适用于车辆电动助力转向组件的齿条驱动组件包括:轴承组件,其设置在齿条壳体中并由滚珠螺母组件承载,用于相对于转向构件可旋转地支撑滚珠螺母组件; 以及由齿条壳体承载的扳手螺母,用于将轴承组件固定在齿条壳体中。 提供了第一隔离器,第二隔离器和第一垫片,其中第一隔离器设置在壳体的内表面和轴承的外座圈的第一表面之间,第二隔离器设置在第二隔离件的相对的第二表面之间 所述轴承的外圈和第一垫片,第一垫片设置在第二隔离器和扳手螺母之间。 第一垫片设置有构造成联接到壳体以允许轴向移动但是在安装扳手螺母期间防止垫片的旋转运动的构件。
    • 20. 发明申请
    • RECOVERY OF CALIBRATED CENTER STEERING POSITION AFTER LOSS OF BATTERY POWER
    • 电池电量损失后校准中心转向位置的恢复
    • WO2006137991A1
    • 2006-12-28
    • PCT/US2006/017295
    • 2006-05-02
    • TRW AUTOMOTIVE U.S. LLCLU, EngelbertMCLAUGHLIN, Kevin
    • LU, EngelbertMCLAUGHLIN, Kevin
    • B62D15/02
    • B62D15/0245B62D15/0235
    • The steering angle of a vehicle is monitored using position sensors of an electric motor of an electric power assisted steering (EPAS) system. A position of the electric motor corresponding to the straight-ahead, center position of the steering system is stored in non-volatile memory during a steering calibration procedure, such as an end-of-line calibration in a vehicle assembly plant. Following power loss due to a dead battery, a steering angle zeroing procedure performed in a vehicle stability control (VSC) system generates a center position with enough accuracy to be within one electrical cycle of the motor. The pre-stored electric motor position is then used to determine the electrical cycle where the center position was located, and accurate monitoring of steering angle is resumed.
    • 使用电动助力转向(EPAS)系统的电动机的位置传感器来监视车辆的转向角度。 对应于转向系统的直线中心位置的电动机的位置在转向校准程序期间被存储在非易失性存储器中,诸如在车辆组装工厂中的在线校准。 在由于电池电量不足引起的功率损耗之后,在车辆稳定性控制(VSC)系统中执行的转向角调零程序产生具有足够精度的中心位置以在电动机的一个电循环内。 然后使用预存的电动机位置来确定中心位置所在的电气循环,并恢复对转向角的精确监控。