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    • 2. 发明授权
    • Emulator damping mechanism
    • 仿真器阻尼机构
    • US6014862A
    • 2000-01-18
    • US48491
    • 1998-03-26
    • Schuyler Scott ShawDonald Edward Schenk
    • Schuyler Scott ShawDonald Edward Schenk
    • B60T7/04B60T11/20B60T11/232F15B13/14F15B21/12
    • B60T11/20B60T11/232B60T7/042F15B13/14
    • A brake system includes a pedal feel emulator and a master cylinder with a damping mechanism having a damping piston. When the emulator piston is moved from the at-rest position, fluid is displaced from the emulator through a compensation port and through a flow restrictive orifice in the damping piston to the reservoir. Flow rate of the fluid is dependent on the apply rate of the brake pedal. When the brake pedal is applied relatively slowly, sufficient flow volume will occur through the flow restrictive orifice and the damping piston will remain unmoved. As apply rates increase, a sufficient pressure differential will eventually be established across the damping piston to cause it to move. Damping piston movement compensates for rapid fluid displacement out of the variable chamber and enables a desirable pedal feel characteristic where pedal force increases relatively slowly as pedal velocity increases relatively rapidly. As the damping piston movement provides increasing volume, the pressure differential drops across the damping piston and it will cease to move as flow is accommodated solely through the flow restrictive orifice. As this occurs, pedal force will increase more rapidly providing a two-stage damping characteristic.
    • 制动系统包括踏板感觉模拟器和具有阻尼机构的主缸,该阻尼机构具有阻尼活塞。 当仿真器活塞从静止位置移动时,流体从仿真器通过补偿端口并通过阻尼活塞中的限流孔移动到储存器。 流体的流速取决于制动踏板的施加率。 当制动踏板相对缓慢地施加时,通过限流孔会发生足够的流量,并且阻尼活塞将保持不动。 当施加率增加时,将最终在阻尼活塞上建立足够的压力差,以使其移动。 阻尼活塞运动补偿了可变腔室中的快速液体位移,并且能够提供令人满意的踏板感觉特性,其中踏板力相对较慢地增加,因为踏板速度相对快速地增加。 随着阻尼活塞的运动提供增加的体积,压力差通过阻尼活塞而下降,并且当流仅容纳通过限流孔口时,其将停止移动。 当发生这种情况时,踏板力将增加更快,提供两级阻尼特性。
    • 4. 发明授权
    • Zero drag disc brake with anti-knock-back device
    • 零拖盘式制动器带防倒装置
    • US06481543B1
    • 2002-11-19
    • US09633942
    • 2000-08-08
    • Schuyler Scott ShawBryan Peter RiddifordJohn Benjamin HagemanDonald Edward SchenkDavid Bernard Drennen
    • Schuyler Scott ShawBryan Peter RiddifordJohn Benjamin HagemanDonald Edward SchenkDavid Bernard Drennen
    • F16D5502
    • F16D65/18F16D65/567F16D2065/386F16D2121/02F16D2121/24F16D2127/06
    • A disc brake caliper assembly is provided that includes a housing having a bore. A piston is arranged within the bore and is movable between normal retracted and knock-back positions. A linkage is adjacent to the piston and is movable between first and second positions with a clearance between the piston and the linkage in the first position. The clearance undesirably permits the piston to move to the knock-back position during severe operating conditions. An actuator, which also may be used as part an electric parking brake, moves the linkage from the first position to the second position to eliminate the clearance when the linkage is moved from the first position to the second position where the linkage abuts the piston. The linkage is connected to the caliper housing by a support. The linkage prevents the piston from moving from the normal retracted position to the knock-back position. In operation, the present invention prevents piston knock-back by sending an adjustment signal from a controller to the actuator at a predetermined interval. The signal commands the actuator to move a linkage from the first to the second position where the linkage abuts the piston. In this manner, the linkage prevents the piston from moving from a normal retracted position to a knock-back position.
    • 提供了一种盘式制动钳组件,其包括具有孔的壳体。 孔内布置有活塞,并可在正常的缩回位置和倒退位置之间移动。 联动装置与活塞相邻,并且可在第一和第二位置之间移动,在第一位置中活塞与联动装置之间具有间隙。 在严格的操作条件期间,间隙不期望地允许活塞移动到撞击位置。 也可以用作电动驻车制动器的部件的致动器将联动装置从第一位置移动到第二位置,以便当联动装置从第一位置移动到联动装置邻接活塞的第二位置时消除间隙。 连杆通过支撑件连接到卡钳外壳。 联动装置防止活塞从正常缩回位置移动到敲击位置。 在操作中,本发明通过以预定的间隔将调节信号从控制器发送到致动器来防止活塞翻倒。 信号命令致动器将连杆从第一位置移动到第二位置,在该位置,联动装置邻接活塞。 以这种方式,联动装置防止活塞从正常缩回位置移动到敲击位置。
    • 6. 发明授权
    • Electro-hydraulic actuator for motor vehicle brake
    • 机动车刹车用电动液压执行机构
    • US06305758B1
    • 2001-10-23
    • US09270560
    • 1999-03-16
    • John Benjamin HagemanDonald Edward SchenkSchuyler Scott Shaw
    • John Benjamin HagemanDonald Edward SchenkSchuyler Scott Shaw
    • B60T842
    • B60T13/745B60T8/326B60T8/4072B60T8/4081
    • An electro-hydraulic actuator for a motor vehicle brake-by-wire brake system including a housing, a piston bore in the housing, a T-shaped piston in the piston bore, and an electric motor connected to the piston through a speed reducer. The T-shaped piston includes a disc-shaped head in the piston bore and a tubular stem perpendicular slidable in and out of the piston bore through a sealed guide in the bottom of the piston bore. The top side of the piston head opposite the stem constitutes a large effective area of the piston for rapidly expelling a relatively large volume of fluid from the piston bore in a low pressure interval of operation the actuator. When the fluid pressure in the piston bore exceeds a transition pressure, a transition valve opens a bypass passage to the piston bore behind the piston head so that the same fluid pressure reacts against the bottom side of the piston head around the stem. A high pressure interval of operation of the electro-hydraulic actuator then ensues in which the effective area of the piston is reduced to the area of the cross-sectional profile of the stem.
    • 一种用于机动车辆制动线制动系统的电动液压致动器,包括壳体,壳体中的活塞孔,活塞孔中的T形活塞,以及通过减速器连接到活塞的电动马达。 T形活塞在活塞孔中包括一个盘形头部,以及通过活塞孔底部的密封引导件可垂直地滑动进出活塞孔的管状阀杆。 与杆相对的活塞头的顶部构成了活塞的大的有效面积,用于在致动器的低压操作间隔中快速地从活塞孔排出相当大体积的流体。 当活塞孔中的流体压力超过过渡压力时,过渡阀打开活塞头后面的活塞孔的旁通通道,使得相同的流体压力相对于活塞头的底部侧面反应。 然后电动液压致动器的高压操作间隔随之而来,其中活塞的有效面积减小到杆的横截面轮廓的面积。
    • 7. 发明授权
    • Brake pedal for motor vehicle
    • 汽车制动踏板
    • US06186026B1
    • 2001-02-13
    • US09283433
    • 1999-04-01
    • Schuyler Scott ShawBryan Peter RiddifordDonald Edward Schenk
    • Schuyler Scott ShawBryan Peter RiddifordDonald Edward Schenk
    • G05G114
    • G05G1/30Y10T74/20528Y10T74/20888
    • A brake pedal for a motor vehicle brake-by-wire brake system including a pedal lever resiliently flexible in beam bending, a foot pad on the pedal lever, and a mounting for the pedal lever on a body of the motor vehicle which constitutes the pedal lever a variable stiffness cantilever spring. The mounting for the pedal lever includes a socket for an inboard end of the pedal lever, a stationary reaction surface on the body of the motor vehicle, and a pedal lever reaction surface on the pedal lever which faces and diverges from the stationary reaction surface in a release position of the pedal lever. The stationary reaction surface and the pedal lever reaction surface become progressively engaged concurrent with resilient flexure of the pedal lever in cantilever spring bending to vary the stiffness of the cantilever spring. The stationary and pedal lever reaction surfaces are contoured or “tuned” to yield a pedal force which initially increases slowly relative to pedal travel and then increases exponentially relative to pedal travel thereby emulating the relationship between pedal force and pedal travel of a brake pedal in a traditional motor vehicle brake system.
    • 一种用于机动车辆制动踏板的制动踏板,其包括具有弹性弯曲的弯曲的踏板杆,踏板杆上的脚踏板和用于构成踏板的机动车辆的车身上的踏板杆的安装件 杠杆可变刚度悬臂弹簧。 用于踏板杆的安装件包括用于踏板杆的内侧端部的插座,机动车辆主体上的固定的反作用表面,以及踏板杆上的踏板杆反作用表面,该踏板杆从反作用表面朝向和分离 踏板杆的释放位置。 静止的反作用表面和踏板杆反作用表面随着踏板杆在弹簧弯曲中的弹性挠曲而逐渐接合,以改变悬臂弹簧的刚度。 固定和踏板杆反作用表面被轮廓化或“调谐”以产生踏板力,其最初相对于踏板行程缓慢增加,然后相对于踏板行程指数地增加,从而模拟踏板力和踏板行程在踏板行程中的关系 传统汽车制动系统。