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    • 12. 发明授权
    • Remote power assist hydraulic antilock braking system
    • 远程助力液压防抱死制动系统
    • US4938541A
    • 1990-07-03
    • US352873
    • 1989-05-17
    • Schuyler S. ShawDonald E. Schenk
    • Schuyler S. ShawDonald E. Schenk
    • B60T8/34B60T8/40B60T8/50B60T8/94B60T13/14
    • B60T8/4072B60T13/141B60T8/34B60T8/5012B60T8/5031B60T8/94
    • A vehicle hydraulic braking system for applying the wheel brakes of an automotive vehicle comprising: a reservoir for holding a hydraulic brake fluid; a pump fluidly connected with the reservoir for pressurizing the fluid; at least one first valve fluidly connected with the pressurized fluid from the pump and the first valve being connected with a modulation sump, the first valve delivering a modulated brake pressure to at least one wheel brake at a ratio of the master cylinder pressure to the wheel pressure so long as the fluid pressure from the pump is above a predetermined value; and a second valve fluidly connected with the wheel brake, the master cylinder, the modulated brake pressure, and with the pump and, whereby the second valve isolates the master cylinder from the wheel brake when the pump pressure is above a predetermined value delivering modulated pressure to the wheel brake and when the pump pressure is below a predetermined value the second valve connects the master cylinder with the wheel brake.
    • 一种用于施加机动车辆的车轮制动器的车辆液压制动系统,包括:用于保持液压制动液的储存器; 与所述储存器流体连接以对所述流体加压的泵; 至少一个第一阀,其与来自泵的加压流体流体连接,并且第一阀与调节槽连接,第一阀以主缸压力与轮的比例向至少一个车轮制动器递送调制制动压力 只要来自泵的流体压力高于预定值即可; 以及与所述车轮制动器,所述主缸,所述调制制动器压力以及所述泵流体连接的第二阀,并且当所述泵压力高于预定值时,所述第二阀将所述主缸与所述车轮制动器隔离,从而传递调制压力 到车轮制动器,并且当泵压力低于预定值时,第二阀将主缸与车轮制动器连接。
    • 15. 发明授权
    • Brake control system
    • 制动控制系统
    • US5090518A
    • 1992-02-25
    • US531796
    • 1990-05-31
    • Donald E. SchenkDoonan D. McGraw
    • Donald E. SchenkDoonan D. McGraw
    • B60T8/00B60T8/32B60T8/36B60T13/74F16D55/00F16D65/14F16D65/18
    • B60T8/00B60T13/741B60T8/3255B60T8/369F16D65/18F16D2055/0091F16D2121/24F16D2121/28F16D2123/00F16D2125/40
    • A brake system using a pair of brake apply and release force units, the units having electric motors with non-backdriveable mechanical output members to supply the needed brake apply force to limit of capability of the motors. Piezoelectric elements that generate high forces with low expansion during rapid rates of change of applied voltage are positioned in brake apply force-transmitting series with the motor output members. These elements are alternately energerized with applied voltage and deenergized, in opposite phase relation. The piezoelectric expansion effect of each energized element is mechanically captured in each energization cycle by the motor unit having the deenergized element so that the brake apply forces actually applied to actuate the brake are increased well beyond the maximum output of the motors. This is obtained by the alternating energization of the piezoelectric elements and the alternating follow-up actions of the motors, with the non-backdrivable arrangements acting to store the mechanical force increases so attained. Wheel lock control may be attained. When actuated, this feature sets the output force generated by the motors, deenergizes the piezoelectric elements, and then concurrently energizes and deenergizes them to obtain a brake pumping action while preventing excessive wheel slip.
    • 使用一对制动器和释放力单元的制动系统,具有带有不可反向驱动的机械输出构件的电动机的单元以提供所需的制动器施加力以限制电动机的能力。 在施加电压快速变化时产生低膨胀的高力的压电元件位于与电动机输出构件的制动施加力传递系列中。 这些元件交替地通过施加的电压激励,并且以相反的相位关系断电。 每个通电元件的压电膨胀效应在具有断电元件的电机单元的每个通电周期中被机械地捕获,使得实际施加的用于致动制动器的制动施加力大大超过电动机的最大输出。 这是通过压电元件的交替激励和电动机的交替跟随动作获得的,而用于存储机械力的不可反向驱动的装置增加而达到。 可以实现车轮锁定控制。 当启动时,该功能设置电机产生的输出力,使压电元件断电,然后同时通电并断电,以获得制动泵送动作,同时防止过大的车轮滑动。
    • 18. 发明授权
    • Electric disc brake
    • 电动盘式制动器
    • US5219048A
    • 1993-06-15
    • US876988
    • 1992-05-01
    • Schuyler S. ShawDonald E. Schenk
    • Schuyler S. ShawDonald E. Schenk
    • B60T13/74F16D55/2255F16D55/226F16D65/097F16D65/14F16D65/18F16D65/54
    • F16D65/54B60T13/741F16D55/2255F16D55/226F16D65/0979F16D65/18F16D2121/24F16D2125/40F16D2125/48F16D2125/66F16D2127/10
    • A vehicle disc brake is provided which, in a preferred embodiment, includes a first caliper pivotally mounted with respect to the vehicle, a first brake shoe slidably mounted with respect to the first caliper for selective contact with a vehicle wheel rotor, an electric actuator to selectively move the first shoe into engagement with the rotor, an actuator plate mounted for relative motion with respect to the vehicle and operatively associated with the first caliper wherein movement of the first caliper resultant of the first shoe engagement with the rotor causes the actuator plate to move, a second caliper generally locationally fixed with respect to the vehicle wheel axis, a second brake shoe mounted by the second caliper operatively associated with the actuator plate for engagement with the rotor, and a ball captured in a ramp between the actuator plate and second brake shoe for converting movement of the actuator plate into movement of the second brake shoe to engage with the rotor.
    • 提供了一种车辆盘式制动器,其在优选实施例中包括相对于车辆枢转地安装的第一卡钳,相对于第一卡钳可滑动地安装的第一制动瓦,用于与车轮转子选择性接触,电致动器 选择性地将第一鞋子移动到与转子接合,致动器板被安装成相对于车辆相对运动并且与第一卡钳可操作地相关联,其中与转子的第一鞋接合部的第一卡钳结果的运动使得致动器板 移动,相对于车辆车轮轴线大致位置地固定的第二卡钳;通过与致动器板可操作地相关联的第二卡钳安装的用于与转子接合的第二制动瓦片,以及捕获在致动器板和第二 用于将致动器板的运动转换为第二制动蹄与转子啮合的运动的制动蹄 。