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    • 1. 发明授权
    • Traction control modulator
    • 牵引调节器
    • US5207488A
    • 1993-05-04
    • US864261
    • 1992-04-06
    • Jerry L. NewtonDonald L. ParkerDonald M. FloryTimothy A. Haerr
    • Jerry L. NewtonDonald L. ParkerDonald M. FloryTimothy A. Haerr
    • B60T8/175B60T8/42B60T8/48
    • B60T8/489B60T8/409
    • A vehicle braking actuated traction control system is provided which includes a bored frame fluidly connected with a master cylinder and a wheel brake. A spring biased plunger with a sealing head slidably mounted within the bore isolates the bore from the master cylinder by axial movement of the plunger in a first direction. A piston operatively associated with the plunger is sealably slidably mounted within the bore for creating a variable control volume in the bore in fluid communication with the wheel brake. The piston is connected with the plunger via a spring which biases the plunger away from the piston. A nut is fixably connected with the piston and a drive screw threadably engaged with the piston is reversibly powered by an electric motor which is responsive to the signals given by a controller which is cognizant of a vehicle wheel condition. Upon the appropriate signal the drive screw will power the piston to a position to cause the plunger to isolate the wheel brake from the master cylinder and thereafter modulate the pressure within the wheel brake as commanded by the controller during a traction control cycle.
    • 提供一种车辆制动致动牵引力控制系统,其包括与主缸和车轮制动器流体连接的钻孔架。 具有可滑动地安装在孔内的密封头的弹簧偏置柱塞通过柱塞在第一方向上的轴向运动而将孔与主缸分离。 与柱塞可操作地相关联的活塞可密封地可滑动地安装在孔内,用于在与车轮制动器流体连通的孔中产生可变控制体积。 活塞通过弹簧与活塞连接,该弹簧使柱塞偏离活塞。 螺母与活塞固定连接,并且与活塞螺纹连接的驱动螺杆由电动机可逆地供电,该电动机响应于识别车轮状况的控制器给出的信号。 在适当的信号下,驱动螺杆将使活塞向一个位置供电,使柱塞将主制动器与主缸隔离开,然后根据控制器在牵引力控制循环期间的指令调节车轮制动器内的压力。
    • 5. 发明授权
    • Electric master cylinder traction control
    • 电动主缸牵引力控制
    • US5234263A
    • 1993-08-10
    • US848440
    • 1992-03-09
    • Timothy A. HaerrDonald L. Parker
    • Timothy A. HaerrDonald L. Parker
    • B60T8/34B60T8/42B60T8/48
    • B60T8/347B60T8/4266B60T8/489
    • Anti-lock/traction control braking system for a vehicle is provided which in a preferred embodiment includes a master cylinder, a brake, a controller providing a signal when a wheel condition is within preset parameters, an isolating value to separate the brake from the master cylinder means when the braking system goes into an anti-lock braking or traction control mode of operation, an anti-lock braking actuator including a bore fluidly connecting with the brake and having a piston reciprocally mounted within and a first motor responsive to a signal given by the controller for powering the anti-lock braking piston. A traction control actuator is also provided having fluid connections with the master cylinder and the anti-lock braking actuator. The traction control actuator has at least one piston reciprocally mounted within a bore. Upon actuation of the traction control the wheel brake is pressurized by the traction control actuator and thereafter traction control modulation of the wheel brake is accomplished by reciprocal movement of the ABS piston within the ABS actuator.
    • 提供了一种用于车辆的防抱死/牵引控制制动系统,其在优选实施例中包括主缸,制动器,当车轮状况在预设参数内时提供信号的控制器,用于将制动器与主控制器分离的隔离值 气缸意味着当制动系统进入防抱死制动或牵引力控制操作模式时,防抱死制动致动器包括与制动器流体连接并具有往复安装的活塞的孔和响应于给定信号的第一马达 由控制器为防抱死制动活塞供电。 还提供牵引控制致动器,其具有与主缸和防抱死制动致动器的流体连接。 牵引力控制致动器具有往复安装在孔内的至少一个活塞。 在牵引控制器的启动时,车轮制动器由牵引力控制致动器加压,此后车轮制动器的牵引力控制调节通过ABS活塞在ABS致动器内的往复运动来实现。
    • 6. 发明授权
    • Check valve assembly
    • 止回阀总成
    • US4673000A
    • 1987-06-16
    • US886657
    • 1986-07-18
    • Timothy A. HaerrDonald L. Parker
    • Timothy A. HaerrDonald L. Parker
    • F16K15/14
    • F16K15/142Y10T137/7896
    • An O-ring is received in a groove having only an arcuate portion thereof operative to act as a check valve, with the arcuate portion being movable into a chordal recess so that it does not provide full circumferential sealing engagement in the area of the arcuate portion, allowing fluid pressure or flow therethrough so long as the arcuate portion is so displaced. The resilient character of the O-ring urges the arcuate portion back to the closed position along a tapered ramp surface of the recess into which it was displaced when there is no pressure differential acting across the O-ring. Movement of the O-ring support member relative to a fixed surface normally sealed by the O-ring and net pressure forces on the O-ring may also tend to return the O-ring to the closed position in one direction of movement.
    • O形圈被容纳在仅具有弓形部分的凹槽中,该凹槽可用作止回阀,其中弓形部分可移动到弦凹部中,使得其不能在弓形部分的区域中提供全周向密封接合 只要弓形部分被如此置换,允许流体压力或流过其中。 当O形圈上没有压力差时,O形圈的弹性特征将弓形部分沿着凹槽的锥形倾斜表面推回到关闭位置。 O形环支撑构件相对于通常由O形环密封的固定表面的移动和O形环上的净压力也可能趋向于在一个运动方向上将O形环返回到关闭位置。
    • 8. 发明授权
    • Integral ABS and traction control having an electric modulator
    • 一体化ABS和牵引力控制具有电调制器
    • US5147116A
    • 1992-09-15
    • US723127
    • 1991-06-28
    • Donald L. ParkerJerry L. NewtonDavid F. ReuterFred W. Huntzicker
    • Donald L. ParkerJerry L. NewtonDavid F. ReuterFred W. Huntzicker
    • B60T8/42B60T8/48B60T8/50
    • B60T8/4266B60T8/4863B60T8/50Y10S303/901
    • An integrated anti-lock braking (ABS)/traction control (TC) braking system is provided which includes a controller cognizant of a rotational condition of a wheel, a master cylinder, an actuator with a bore, the bore having a first fluid connection with a master cylinder and space therefrom a second fluid connection with a brake, a first normally open solenoid valve for isolating the master cylinder from the wheel brake when the controller places the system in an ABS or TC mode, and a hollow primary piston mounted within the bore along first, second and third spaced sealed peripheries having a first port connecting the interior of the primary piston with its exterior between the first and second sealed peripheries and communicating with the second fluid connection of the bore. The primary piston also has a second port fluidly connecting an end of the primary piston most adjacent to the bore first fluid connection with the interior of the primary piston and the primary piston having a check valve mounted within the second port and the primary piston has a third sealed periphery generally adjacent the bore first fluid connection. A secondary piston is mounted within the primary piston movable in a direction towards the bore first fluid connection to pressurize the brake and movable in an opposite direction to release the pressure within the brake, the secondary piston has an extreme position with respect to the primary piston wherein the secondary piston opens the check valve and further movement of the secondary piston causes the pistons to move in unison pressurizing the wheel brake. A reversible motor connected with a gear train, drive screw and nut moves the secondary piston in response to signal give by the controller.