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    • 32. 发明授权
    • Method of braking a vehicle
    • 制动车辆的方法
    • US08398180B2
    • 2013-03-19
    • US11556516
    • 2006-11-03
    • Gregory Peter FittonAndrew Robert Williams
    • Gregory Peter FittonAndrew Robert Williams
    • B60T8/56B60T13/74
    • B60T8/3215B60T8/17616B60T2201/09B60W2520/26F16H2312/18
    • A method of braking a vehicle which includes ground engaging wheels, and a braking system with ABS capability and including an operator actuated brake control, the ABS becoming operative in response to the operator actuating the brake control, and upon the braking system sensing the slippage or impending slippage of at least one of the ground wheels relative to the ground, to vary the braking force applied to the at least one of the wheels between, in alternative periods, an applied state in which the braking force is applied, and a released state in which the braking force is released, and characterised in that the method includes applying torque to assist acceleration of the wheel at least during periods in which the braking force is released by the ABS.
    • 一种制动包括地面接合轮的车辆的方法以及具有ABS能力的制动系统并且包括操作者致动的制动控制,ABS响应于操作者致动制动控制而变得有效,并且在制动系统感测到滑动或 至少一个地面轮相对于地面的即将发生的滑动,以改变施加到至少一个车轮上的制动力,在替代时段中,施加制动力的施加状态和释放状态 其中制动力被释放,并且其特征在于,该方法包括施加扭矩以至少在制动力被ABS释放的时段期间辅助车轮的加速。
    • 33. 发明授权
    • Brake control device for vehicle
    • 车辆制动控制装置
    • US08348353B2
    • 2013-01-08
    • US12375546
    • 2007-11-28
    • Yoshihisa YamadaYasushi KobayashiTatsushi TakasuKota Shimoga
    • Yoshihisa YamadaYasushi KobayashiTatsushi TakasuKota Shimoga
    • B60T8/56
    • B60T8/1755B60T2201/14
    • A brake control device that controls braking forces applied to wheels to stabilize the behavior of a vehicle turning a corner, and includes a turning condition detection unit detecting a turning condition of the vehicle; a braking amount setting unit setting braking amounts for the respective wheels based on the turning condition detected by the turning condition detection unit; a brake control unit applying braking forces to the wheels according to the braking amounts set by the braking amount setting unit; and a road surface friction coefficient estimation unit estimating a road surface friction coefficient of the road on which the vehicle is running. The braking amount setting unit changes upper limits of the braking amounts for the respective wheels according to the road surface friction coefficient when the vehicle is in a center differential lock mode or a direct four-wheel drive mode.
    • 一种制动控制装置,其控制施加于车轮的制动力,以稳定车辆转弯的行为,并且包括检测车辆的转弯状态的转弯状态检测部; 制动量设定单元,基于由所述转弯条件检测单元检测到的转弯状态来设定各个车轮的制动量; 制动控制单元,根据由制动量设定单元设定的制动量向车轮施加制动力; 以及估计车辆行驶的道路的路面摩擦系数的路面摩擦系数估计单元。 制动量设定单元根据车辆处于中央差速锁定模式或直接四轮驱动模式时的路面摩擦系数来改变各车轮的制动量的上限。
    • 37. 发明授权
    • Drum brake with negative feedback for brake shoe friction compensation
    • 鼓式制动器采用负反馈制动蹄摩擦补偿
    • US4603763A
    • 1986-08-05
    • US654223
    • 1984-09-25
    • Stanley J. Mikina
    • Stanley J. Mikina
    • B60T7/20B60T8/52B60T8/56F16D51/24F16D51/30F16D65/14
    • F16D51/30B60T7/206B60T8/52B60T8/56F16D51/24F16D2125/48F16D2127/10
    • This invention relates to a drum brake with two internal expanding brake shoes pivoted at substantially diametrically opposite axes. It incorporates the negative feedback of the brake shoe sliding friction forces to oppose the applied hydraulic brake actuating forces for the purpose of reducing variation in brake torque due to random or uncontrolled variations in the coefficient of friction between brake shoes and brake drum. The required brake shoe friction force feedback is accomplished by eliminating the normally leading brake shoe with its undesirable lock-up prone positive feedback and replacing it with a brake shoe pivoted about an axis diametrically opposite the pivot axis of the normally trailing brake shoe. The location of the shoe pivots is chosen to establish the required feedback magnitude by use of lever ratios whose adequacy is verified by the force equilibrium equations of the brake system. The resulting unconventional location of the brake shoe pivots permits the sliding friction forces between shoes and drum at both shoes to be applied as forces acting in a direction opposite the applied brake actuating hydraulic forces for forward vehicle motion. This preferred location of the brake shoe pivots also results in uniform wear of the brake shoe lining without the necessity for starwheel turnbuckle wear compensation as in conventional drum brakes. Devices are also provided for preventing brake lock-up during reverse operation due to the positive feedback of friction forces at both brake shoes for that direction of motion.
    • 本发明涉及一种鼓式制动器,其具有在基本上沿径向相对的轴线上枢转的两个内部扩张的制动蹄。 它结合了制动蹄滑动摩擦力的负反馈,以反对所施加的液压制动器致动力,以便减少由于制动蹄和制动鼓之间的摩擦系数的随机或不受控制的变化引起的制动转矩的变化。 所需的制动蹄摩擦力反馈通过消除正常引导的制动蹄以及不期望的锁定倾斜的正反馈来实现,并且用围绕正常拖曳制动蹄的枢转轴线的轴线枢转的制动蹄来代替。 通过使用杠杆比例来选择滑枕枢轴的位置来建立所需的反馈量值,其比例通过制动系统的力平衡方程验证其足够性。 所得到的制动靴枢轴的非常规位置允许在两个鞋的鞋和滚筒之间的滑动摩擦力被施加作为作用在与所施加的制动器相反的方向上的作用力的作用力来驱动液压力以用于前进的车辆运动。 制动蹄枢转的这个优选位置也导致制动蹄衬里的均匀磨损,而不需像传统的鼓式制动器一样需要星形轮螺丝刀磨损补偿。 还提供了用于在反向操作期间防止制动器锁定的装置,这是由于在两个制动蹄上的这种方向的摩擦力的正反馈。