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    • 3. 发明授权
    • Vehicle braking system and vehicle braking device
    • 车辆制动系统和车辆制动装置
    • US06685280B1
    • 2004-02-03
    • US09868633
    • 2001-09-10
    • Masato YoshinoHideaki HigashimuraMakoto NishikimiKeita NakanoYoichi Miyawaki
    • Masato YoshinoHideaki HigashimuraMakoto NishikimiKeita NakanoYoichi Miyawaki
    • B60T836
    • B60T8/326B60T7/04B60T7/042B60T8/3655B60T8/3665B60T8/4072B60T13/141B60T13/686B60T17/18Y10S303/901
    • This invention is to provide a brake system and a brake device for use of automobiles, in which a braking energy stored in an auxiliary pressure source can be exploited effectively for a braking purpose, even if an electrical system fails. In particular, the vehicle brake system includes a proportional pressure control valve 80 for generating braking liquid pressure by adjusting the braking energy stored in the auxiliary pressure source 30. Also the vehicle brake system comprises a passage 75 transmitting the liquid pressure generated by a stroke of a brake pedal 1, a switching valve 76 opening the passage in the powered condition and closing the same in the off-powered condition, and an auxiliary control portion 81 activating the proportional pressure control valve 80. Even in the off-powered condition, the high pressure accumulated in the auxiliary pressure source 30 can be used to adjust the required braking liquid pressure at the proportional pressure control valve 80. The switching valve 76 cane be replaces with a relief valve 116 and a return valve 117 for activating the proportional pressure control valve 80 so as to effectively utilize the high pressure of the auxiliary pressure source 30 even in the on-powered condition.
    • 本发明提供一种用于汽车的制动系统和制动装置,其中即使电气系统发生故障,也可以有效地利用存储在辅助压力源中的制动能量来有效地利用制动目的。 特别地,车辆制动系统包括比例压力控制阀80,用于通过调节存储在辅助压力源30中的制动能来产生制动液压。此外,车辆制动系统包括一个通道75,该通道75传递由一冲程产生的液压 制动踏板1,切换阀76,其在通电状态下使通路打开,并且在断电状态下关闭通路;以及辅助控制部81,启动比例压力控制阀80.即使在断电状态下, 辅助压力源30中积聚的高压可以用于调节比例压力控制阀80所需要的制动液压。切换阀76可替换为安全阀116和用于启动比例压力控制的回流阀117 阀门80,以便有效地利用辅助压力源30的高压,即使在供电的公司 补偿
    • 6. 发明授权
    • Maximum road friction force estimating device and brake torque control device
    • 最大道路摩擦力估计装置和制动力矩控制装置
    • US07240972B2
    • 2007-07-10
    • US10892294
    • 2004-07-16
    • Keita NakanoMotoshi SuzukiHiroaki NiinoMasato Yoshino
    • Keita NakanoMotoshi SuzukiHiroaki NiinoMasato Yoshino
    • B60T8/60
    • B60T8/172B60T8/4836B60T2210/12
    • A brake torque control device obtains inertia torque Tine based upon an equation of motion (Tine=Tw−Ft·Rt) about the rotation of a tire based upon a wheel torque Tw according to a brake torque exerted on the tire, road friction force Ft and a radius Rt of the tire. When the inertia torque Tine exceeds a predetermined reference value, road friction force Ft at this time is set as estimated maximum road friction force Fmax. The instructed brake torque is calculated under the condition that the value that is obtained by adding the predetermined value corresponding to the inertia torque Tine to the torque Fmax·Rt based upon this estimated maximum road friction force Fmax is set as an upper limit value of the instructed brake torque. This allows to clearly set, as one value, the target value of the instructed brake torque upon an ABS control, thereby being capable of more accurately executing the pressure-increasing control and pressure-reducing control of the brake fluid pressure.
    • 制动转矩控制装置基于根据施加在轮胎上的制动转矩的车轮转矩Tw,基于轮胎的旋转的运动方程(Tine = Tw-Ft.Rt)获得惯性转矩Tine,道路摩擦力Ft 和轮胎的半径Rt。 当惯性转矩Tine超过预定的参考值时,此时的道路摩擦力Ft被设定为估计的最大道路摩擦力Fmax。 在将基于该估计的最大道路摩擦力Fmax的与惯性转矩Tine对应的规定值相加到的转矩Fmax.Rt而获得的值设定为上限值的条件下,计算出指示的制动转矩 指示制动扭矩。 这允许在ABS控制时将指示的制动转矩的目标值清楚地设定为一个值,从而能够更准确地执行制动液压力的增压控制和减压控制。
    • 7. 发明授权
    • Mixed air amount alarm device
    • 混合空气量报警装置
    • US06927681B2
    • 2005-08-09
    • US10701460
    • 2003-11-06
    • Masato YoshinoKeita Nakano
    • Masato YoshinoKeita Nakano
    • B60T17/18B60T17/22F15B19/00F15B21/04B60T13/12B60Q1/00
    • F15B21/044B60T17/221F15B19/005
    • A mixed air amount alarm device is provided which determines the amount of air present in a hydraulic circuit between a hydraulic pressure source and an instrument driven by hydraulic pressure, and produces an alarm if the air amount is excessive, a situation is prevented in which an alarm is produced or not produced according to change of the air amount (volume) resulting from temperature change, and it is possible to stop an alarm if potential danger disappears and a safe state is recovered due to spontaneous release of air out of the hydraulic circuit. If the air amount is determined excessive, this is stored in a nonvolatile memory, and even if air amount excessiveness determination is not made at the next activation of the hydraulic device, the content of the nonvolatile memory is checked and an alarm is produced if air amount excessiveness determination has not been made before. It is preferable to add a function of erasing the air amount excessiveness determination history when specific conditions are met, for example, if the fluid temperature of hydraulic fluid or its inferred value is equal to or higher than a predetermined value, and in this state, the air amount is determined to be at a permissible level.
    • 提供了一种混合空气量报警装置,其确定存在于液压源和由液压驱动的仪器之间的液压回路中的空气量,并且如果空气量过大则产生报警,防止其中 根据温度变化引起的空气量(体积)的变化而产生或不产生报警,并且如果潜在危险消失并且由于空气从液压回路自发释放而恢复安全状态,则可以停止报警 。 如果空气量被确定为过大,则将其存储在非易失性存储器中,并且即使在下一次启动液压装置时没有进行空气量过量确定,则检查非易失性存储器的内容,并且如果空气 以前没有做出过量的判定。 优选地,当满足特定条件时,例如如果液压流体的流体温度或其推断值等于或高于预定值,则添加擦除空气量过剩判定历史的功能,并且在该状态下, 空气量被确定为允许的水平。
    • 8. 发明申请
    • Maximum road friction force estimating device and brake torque control device
    • 最大道路摩擦力估计装置和制动力矩控制装置
    • US20050012386A1
    • 2005-01-20
    • US10892294
    • 2004-07-16
    • Keita NakanoMotoshi SuzukiHiroaki NiinoMasato Yoshino
    • Keita NakanoMotoshi SuzukiHiroaki NiinoMasato Yoshino
    • B60R16/02B60T8/172B60T8/1763B60T8/48B60T8/58B60W40/068B60T8/34
    • B60T8/172B60T8/4836B60T2210/12
    • A brake torque control device obtains inertia torque Tine based upon an equation of motion (Tine=Tw−Ft·Rt) about the rotation of a tire based upon a wheel torque Tw according to a brake torque exerted on the tire, road friction force Ft and a radius Rt of the tire. When the inertia torque Tine exceeds a predetermined reference value, road friction force Ft at this time is set as estimated maximum road friction force Fmax. The instructed brake torque is calculated under the condition that the value that is obtained by adding the predetermined value corresponding to the inertia torque Tine to the torque Fmax·Rt based upon this estimated maximum road friction force Fmax is set as an upper limit value of the instructed brake torque. This allows to clearly set, as one value, the target value of the instructed brake torque upon an ABS control, thereby being capable of more accurately executing the pressure-increasing control and pressure-reducing control of the brake fluid pressure.
    • 制动转矩控制装置基于根据施加在轮胎上的制动转矩的车轮转矩Tw,基于关于轮胎的旋转的运动方程(Tine = Tw-Ft.Rt)获得惯性转矩Tine,道路摩擦力Ft 和轮胎的半径Rt。 当惯性转矩Tine超过预定的参考值时,此时的道路摩擦力Ft被设定为估计的最大道路摩擦力Fmax。 在将基于该估计的最大道路摩擦力Fmax的与惯性转矩Tine对应的规定值相加到的转矩Fmax.Rt而获得的值设定为上限值的条件下,计算出指示的制动转矩 指示制动扭矩。 这允许在ABS控制时将指示的制动转矩的目标值清楚地设定为一个值,从而能够更准确地执行制动液压力的增压控制和减压控制。