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    • 2. 发明授权
    • Vehicle brush guard apparatus
    • 车辆刷保护装置
    • US06315338B1
    • 2001-11-13
    • US09689965
    • 2000-10-12
    • Michael J. SchneiderJames J. BartelEdwin M. Adelman
    • Michael J. SchneiderJames J. BartelEdwin M. Adelman
    • B60R1952
    • B60R19/52
    • A brush guard is attachable to a vehicle frame rail or a vehicle bumper mounting bracket by means of mounting members, each having a mounting surface mountable between the bumper mounting bracket and the bumper frame rail mounting bracket. Each mounting member includes a crush surface positioned in the same spatial relationship from a vehicle mounted sensor crush surface as the original crush surface of a bumper mounting bracket. The brush guard is mounted on the vehicle independent and free of the bumper and is disposed in a position so that the brush guard does not extend forwardly of the frontmost surface of the bumper. In one aspect, the mounting members are pivotally connected to the vehicle to allow pivotal movement of the brush guard during a front-end vehicle collision. A pair of optional outriggers are releasably secure to the outer lateral ends of the brush guard and the vehicle bumper.
    • 通过安装构件可以将车辆护罩安装在车架轨道或车辆保险杠安装支架上,每个安装构件具有可安装在保险杠安装支架和保险杠框架轨道安装支架之间的安装表面。 每个安装构件包括与作为保险杠安装支架的原始压溃表面的车辆安装的传感器压溃表面相同的空间关系的挤压表面。 刷保护装置独立地安装在车辆上并且没有保险杠并且被布置在使得刷保护件不会在保险杠的最前表面的前方延伸的位置。 在一个方面,安装构件枢转地连接到车辆,以允许在前端车辆碰撞期间电刷罩的枢转运动。 一对可选的外伸支架可释放地固定到刷保护罩和车辆保险杠的外侧端。
    • 3. 发明授权
    • Variable duty cycle antilock braking system with accelerometer and
fail-safe
    • US5553929A
    • 1996-09-10
    • US524272
    • 1995-09-06
    • Robert M. RivardMichael J. SchneiderTamas I. PattantyusKenneth S. TowersJack R. Phipps
    • Robert M. RivardMichael J. SchneiderTamas I. PattantyusKenneth S. TowersJack R. Phipps
    • B60T8/72B60T8/1763B60T8/44B60T8/66B60T8/32
    • B60T8/17636B60T8/445Y10S303/04
    • Improvements in vehicle antilock braking systems of the type having an operator controlled master cylinder (11) and a second source (55, 57) of pressurized hydraulic fluid for selectively supplying rebuild pressure after an antilock event are disclosed. The improved system is selectively operable in one of three braking modes, a normal braking mode (119) where braking force is proportional to an operator brake pedal pressure, an enhanced anti-skid braking mode (69) where braking force may be maintained at a maximum nonskid level, and a conventional anti-skid braking mode (71) where braking force follows a cyclic pattern of fluid pressure bleed and build. The system includes circuitry (17, 19, 35, 37, 93, 95) for determining the speed of each wheel and an arrangement (59) operable independently of any vehicle wheels for determining vehicle deceleration. This comparison normally invokes the enhanced anti-skid braking mode. In the enhanced mode, the system is continually searching for an optimum wheel speed reference (39) by determining (119) on which side of the peak of a mu-slip curve the vehicle is operating, for example, by calculating the sign of the slope of the mu-slip curve at the current vehicle operating point, and then incrementing (88) a prior wheel speed reference by a value (79) which changes the wheel speed reference toward the peak (75) of the mu-slip curve thereby calculating an updated wheel speed reference to control appropriately the braking system. The accuracy of the determined vehicle deceleration, and in particular, of the accelerometer is confirmed by comparison (63) to an expected deceleration based on operator brake pressure, and the conventional anti-skid braking mode is substituted for the enhanced anti-skid braking mode in the event the determined vehicle deceleration is determined to be inaccurate. The enhanced anti-skid mode utilizes a pulse width modulated solenoid actuated two position valve (41, 43) operable in one position to provide a fluid flow path from the braking device, and in the other position to provide a fluid flow path from a second source to the braking device.
    • 7. 发明授权
    • Variable duty cycle antilock braking system with accelerometer
    • 带加速度计的可变占空比防抱死制动系统
    • US5487598A
    • 1996-01-30
    • US353861
    • 1994-12-12
    • Robert M. RivardMichael J. SchneiderTamas I. PattantyusKenneth S. TowersJack R. Phipps
    • Robert M. RivardMichael J. SchneiderTamas I. PattantyusKenneth S. TowersJack R. Phipps
    • B60T8/72B60T8/1763B60T8/44B60T8/66B60T8/32
    • B60T8/17636B60T8/445Y10S303/04
    • Vehicle antilock braking systems having an operator controlled master cylinder (11) and a second source (55, 57) of pressurized hydraulic fluid for selectively supplying rebuild pressure after an antilock event are disclosed. The system is selectively operable in one of three braking modes, a normal braking mode (119) where braking force is proportional to an operator brake pedal pressure, an enhanced anti-skid braking mode (69) where braking force may be maintained at a maximum nonskid level, and a conventional anti-skid braking mode (71) where braking force follows a cyclic pattern of fluid pressure bleed and build. The system includes circuitry (17, 19, 35, 37, 93, 95) for determining the speed of each wheel and an arrangement (59) operable independently of any vehicle wheels for determining vehicle deceleration. This comparison normally invokes the enhanced anti-skid braking mode, wherein the system is continually searching for an optimum wheel speed reference (39) by determining (119) on which side of the peak of a mu-slip curve the vehicle is operating, for example, by calculating the sign of the slope of the mu-slip curve at the current vehicle operating point, and then incrementing (88) a prior wheel speed reference by a value (79) which changes the wheel speed reference toward the peak (75) of the mu-slip curve thereby calculating an updated wheel speed reference to control approximately the braking system. The enhanced anti-skid mode utilizes a pulse width modulated solenoid actuated two position valve (41, 43) operable in one position to provide a fluid flow path from the braking device, and in the other position to provide a fluid flow path from a second source to the braking device.
    • 公开了具有操作员控制的主缸(11)和加压液压流体的第二源(55,57)的车辆防抱死制动系统,用于在防锁事件之后有选择地提供重建压力。 系统可选择性地在三种制动模式中的一种中工作,其中制动力与操作者制动踏板压力成比例的正常制动模式(119),增强的防滑制动模式(69),其中制动力可以保持在最大值 以及常规的防滑制动模式(71),其中制动力遵循流体压力流出和构建的循环模式。 该系统包括用于确定每个车轮的速度的电路(17,19,35,37,99,95)以及用于确定车辆减速度的任何车辆车轮独立操作的装置(59)。 该比较通常调用增强的防滑制动模式,其中系统通过确定(119)在车辆正在操作的微滑曲线的峰值的哪一侧来不断寻找最佳车轮速度参考(39),以便 例如,通过计算当前车辆操作点上的μ滑动曲线的斜率的符号,然后将先前的车轮速度参考值增加(88)一个将车轮速度基准改变为峰值(75)的值(79) ),从而计算更新的车轮速度基准以近似地控制制动系统。 增强的防滑模式使用脉冲​​宽度调制电磁致动的两位置阀(41,43),其可在一个位置操作以提供来自制动装置的流体流动路径,并且在另一位置提供来自第二位置的流体流动路径 来源于制动装置。