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    • 1. 发明授权
    • Disc brake lining wear monitoring system and method
    • 盘式制动衬片磨损监测系统及方法
    • US06481539B1
    • 2002-11-19
    • US09925864
    • 2001-08-09
    • Schuyler S. ShawBryan P. RiddifordHuang-Tsang Chang
    • Schuyler S. ShawBryan P. RiddifordHuang-Tsang Chang
    • F16D6600
    • F16D55/22655F16D66/025
    • A system and method for monitoring brake pad wear are provided. The system provides a vehicle disc brake caliper assembly including a boot assembly and least one friction pad. The system further provides at least one caliper bolt including a caliper bolt switch point, the caliper bolt movably positioned within the boot assembly. A conductive element is positioned a predetermined distance from the caliper bolt switch point. An electrical circuit is switched when the conductive element contacts the switch point. The contact is established when the friction pad wears to a predetermined level corresponding to the predetermined distance. The method provides a caliper bolt including a caliper bolt switch point. A conductive element is positioned a predetermined distance from the caliper bolt switch point. The predetermined distance is progressively decreased as the brake pad wears. An electrical circuit is switched when the conductive element contacts the caliper bolt switch point.
    • 提供了一种用于监测刹车片磨损的系统和方法。 该系统提供一种车辆盘式制动器卡钳组件,其包括靴组件和至少一个摩擦垫。 该系统还提供至少一个卡钳螺栓,其包括卡钳螺栓切换点,卡钳螺栓可移动地定位在引导组件内。 导电元件与卡钳螺栓开关点定位在预定距离处。 当导电元件接触开关点时,切换电路。 当摩擦垫磨损到与预定距离相对应的预定水平时,建立接触。 该方法提供包括卡钳螺栓开关点的卡钳螺栓。 导电元件与卡钳螺栓开关点定位在预定距离处。 当制动片磨损时,预定距离逐渐减小。 当导电元件接触卡钳螺栓开关点时,切换电路。
    • 3. 发明授权
    • Brake pedal feel emulator with integral force and travel sensors
    • 制动踏板感觉模拟器与积分力和旅行传感器
    • US06464306B2
    • 2002-10-15
    • US09794673
    • 2001-02-27
    • Schuyler S. ShawBryan P. Riddiford
    • Schuyler S. ShawBryan P. Riddiford
    • B60T1374
    • B60T8/3255B60T7/042
    • A brake pedal feel emulator for a motor vehicle brake system includes a housing having a bore for supporting a first piston operably connected to a brake pedal. An elastomer spring encapsulating a magnet or magnetized by the dispersion of ferrous particles throughout the spring body is engageable by the first piston and is disposed in the emulator housing. A second piston is disposed in the housing and engaged with the elastomer spring and with a mechanical spring. Hall effect sensors mounted on the emulator housing sense changes in a magnetic field generated by the magnet to provide signals to a controller proportional to travel and force exerted on the brake pedal for use in controlling the vehicle brake system.
    • 用于机动车辆制动系统的制动踏板感觉模拟器包括具有用于支撑可操作地连接到制动踏板的第一活塞的孔的壳体。 弹性体弹簧封装在磁体上或被亚铁颗粒分散在整个弹簧体内的磁体可由第一活塞接合并设置在仿真器外壳中。 第二活塞设置在壳体中并与弹性体弹簧和机械弹簧接合。 安装在仿真器壳体上的霍尔效应传感器改变由磁体产生的磁场,以向控制器提供与施加在制动踏板上的行驶和力成比例的信号,以用于控制车辆制动系统。
    • 4. 发明授权
    • Pad contact detection method
    • 垫接触检测方法
    • US07475760B2
    • 2009-01-13
    • US11243214
    • 2005-10-04
    • Pierre Claude LonguemarePaul Marie DegoulJon T. ZumbergeBryan P. Riddiford
    • Pierre Claude LonguemarePaul Marie DegoulJon T. ZumbergeBryan P. Riddiford
    • F16D65/36
    • B60T13/741F16D2066/003F16D2121/24
    • The invention provides an electric brake system and method. The electric brake system includes an electric motor having a portion moveable along a path between a plurality of positions for moving a brake pad and applying a selectable amount of braking force on a brake rotor. One of the plurality of positions is a minimal contact position. The minimal contact position is operable to change among the plurality of positions over time. The electric brake system also includes an electric controller for controlling the electric motor to move the portion along the path between the minimal contact position and at least one other of the plurality of positions for moving the brake pad and for selecting the amount of braking force. The electric brake system also includes at least one sensor for sensing at least one of motor current, motor acceleration, controller voltage, motor speed, motor voltage, and motor temperature, and communicating a sensed condition to the controller. The controller is operable to change the minimal contact position in response to the condition sensed and communicated by the at least one sensor.
    • 本发明提供一种电动制动系统和方法。 电动制动系统包括电动机,该电动机具有可沿着用于移动制动衬块的多个位置之间的路径移动的部分,并且在制动转子上施加可选择的制动力。 多个位置中的一个是最小的接触位置。 最小接触位置可操作以随着时间在多个位置之间改变。 电动制动系统还包括电控制器,用于控制电动机沿着最小接触位置与多个位置中的至少另一个之间的路径移动该部分,以移动制动衬块并选择制动力量。 电动制动系统还包括用于感测电动机电流,电动机加速度,控制器电压,电动机速度,电动机电压和电动机温度中的至少一个的至少一个传感器,以及将感测到的条件传送到控制器。 控制器可操作以响应于由至少一个传感器感测和传送的状况来改变最小接触位置。
    • 9. 发明授权
    • Shape memory alloy actuator
    • 形状记忆合金执行器
    • US07481054B2
    • 2009-01-27
    • US11140079
    • 2005-05-26
    • John B. HagemanBryan P. RiddifordThomas D. Hewer
    • John B. HagemanBryan P. RiddifordThomas D. Hewer
    • F01B29/10
    • F03G7/065F16D2127/06F16D2129/14
    • A shape memory alloy actuator includes a housing, a plunger, a shaft, a resilient member, and a shape memory alloy component. The plunger is slidably but non-rotatably received in the housing and has a first locking component. The shaft has a second locking component. The resilient member is positioned to slidably urge the plunger into a disengagement position of the first and second locking components allowing rotation of the shaft. The shape memory alloy component is positioned to slidably urge the plunger into an engagement position of the first and second locking components, when the shape memory alloy component is heated, preventing rotation of the shaft. In one application, the first and second locking components are interdigitable vehicle-parking-brake latch teeth.
    • 形状记忆合金致动器包括壳体,柱塞,轴,弹性构件和形状记忆合金组件。 柱塞可滑动但不可旋转地容纳在壳体中并且具有第一锁定部件。 轴具有第二锁定部件。 弹性构件被定位成将柱塞可滑动地推动到第一和第二锁定构件的脱离位置,允许轴的旋转。 当形状记忆合金部件被加热时,形状记忆合金部件定位成将柱塞可滑动地推动到第一和第二锁定部件的接合位置,从而防止轴的旋转。 在一个应用中,第一和第二锁定部件是相互交错的车辆驻车制动器闩锁齿。