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    • 1. 发明授权
    • Tire air pressure warining device
    • 轮胎气压装置
    • US5826210A
    • 1998-10-20
    • US220361
    • 1994-03-29
    • Tomoji IzumiTetsuya TachihataTakeshi Edahiro
    • Tomoji IzumiTetsuya TachihataTakeshi Edahiro
    • B60C23/06B60C23/00
    • B60C23/061
    • When the difference between the number of revolutions of each tire of a vehicle is judged by the tire air pressure warning device must be made under the condition that the number of revolutions of the four wheels must constantly be detected by different units, and processed at a high speed, and where the vehicle is travelling in a straight line, and at a point in time when all four wheels become at the same condition. In the case that all four wheels do not reach the same condition, the judgment of the difference in the number of tire revolutions at the tire air pressure warning device is prohibited. Also, using the vehicle running conditions, the most suitable tire air pressure judgment is carried out, and various noise generate when the vehicle is travelling do not have any effect, and the tire air pressure abnormality is detected with good accuracy, the detected signal from the wheel velocity sensors is carefully selected, and the reliability and accuracy of the tire air pressure judgment is improved. When the vehicle and/or the road surface is in a specific condition, by prohibiting the tire air pressure judgment, the reliability and accuracy of the tire air pressure judgment is increased. By permitting the tire air pressure judgment when within a vehicle velocity region, that is established using the road conditions, the reliability and accuracy of the tire air pressure judgment is improved.
    • 当轮胎气压警告装置判定车辆的每个轮胎的转数之间的差异必须在四个车轮的转数必须不断地被不同的单元检测到的条件下进行,并且在 高速,以及车辆在直线上行驶的时间,以及在所有四个车轮处于相同状态的时间点。 在四轮不能达到相同条件的情况下,轮胎气压警告装置的轮胎转数的差异被判定为禁止。 此外,使用车辆行驶状态,进行最合适的轮胎气压判定,并且在车辆行驶时产生的各种噪声没有任何影响,并且以良好的精度检测到轮胎气压异常,检测到的信号来自 仔细选择车轮速度传感器,提高轮胎气压判定的可靠性和精度。 当车辆和/或路面处于特定状态时,通过禁止轮胎空气压力判断,提高轮胎气压判定的可靠性和精度。 通过允许在使用道路条件建立的车速区域内的轮胎空气压力判定,提高了轮胎气压判定的可靠性和精度。
    • 2. 发明授权
    • Tire air pressure warning device
    • 轮胎气压报警装置
    • US06182021B2
    • 2001-01-30
    • US09132308
    • 1998-08-11
    • Tomoji IzumiTetsuya TachihataTakeshi Edahiro
    • Tomoji IzumiTetsuya TachihataTakeshi Edahiro
    • B60C2300
    • B60C23/061
    • When the difference between the number of revolutions of each tire of a vehicle is judged by the tire air pressure warning device must be made under the condition that the number of revolutions of the four wheels must constantly be detected by different units, and processed at a high speed, and where the vehicle is travelling in a straight line, and at a point in time when all four wheels become at the same condition. In the case that all four wheels do not reach the same condition, the judgment of the difference in the number of tire revolutions at the tire air pressure warning device is prohibited. Also, using the vehicle running conditions, the most suitable tire air pressure judgment is carried out, and various noise generate when the vehicle is travelling do not have any effect, and the tire air pressure abnormality is detected with good accuracy, the detected signal from the wheel velocity sensors is carefully selected, and the reliability and accuracy of the tire air pressure judgment is improved. When the vehicle and/or the road surface is in a specific condition, by prohibiting the tire air pressure judgment, the reliability and accuracy of the tire air pressure judgment is increased. By permiting the tire air pressure judgment when within a vehicle velocity region, that is established using the road conditions, the reliability and accuracy of the tire air pressure judgment is improved.
    • 当轮胎气压警告装置判定车辆的每个轮胎的转数之间的差异必须在四个车轮的转数必须不断地被不同的单元检测到的条件下进行,并且在 高速,以及车辆在直线上行驶的时间,以及在所有四个车轮处于相同状态的时间点。 在四轮不能达到相同条件的情况下,轮胎气压警告装置的轮胎转数的差异被判定为禁止。 此外,使用车辆行驶状态,进行最合适的轮胎气压判定,在车辆行驶时产生的各种噪声不具有效果,并且以良好的精度检测到轮胎气压异常,检测到的信号来自 仔细选择车轮速度传感器,提高轮胎气压判定的可靠性和精度。 当车辆和/或路面处于特定状态时,通过禁止轮胎空气压力判断,提高轮胎气压判定的可靠性和精度。 通过在使用道路条件建立的车速区域内的轮胎空气压力判定的情况下,提高轮胎气压判定的可靠性和精度。
    • 4. 发明授权
    • Stability control system for vehicle
    • 车辆稳定控制系统
    • US6053583A
    • 2000-04-25
    • US49126
    • 1998-03-27
    • Tomoji IzumiHaruki OkazakiToshiaki TsuyamaTetsuya Tachihata
    • Tomoji IzumiHaruki OkazakiToshiaki TsuyamaTetsuya Tachihata
    • B60T8/24B60T8/175B60T8/1755B60T8/58
    • B60T8/17552B60T8/175B60T2230/02
    • A system of driving stability control, which is adapted to control valves for opening and closing hydraulic pressure passages between a master cylinder and brake units of wheels and simultaneously controls pressurizing valves and a pressure relief valves so as to supply braking force selectively and independently to the brake units when a specified driving condition is detected, performs the coordinated braking control that, when a specified step-on pressure is detected during execution of the driving stability control, delivers the braking pressure to the brake units according to brake pedal travels as the driving intends simultaneously with reducing the participative degree of the driving stability control so as to ensure gripping force of wheels that brake the vehicle and reduces reduce the participative degree of the driving stability control with an intention of regarding driving stability of the vehicle as important when the vehicle is going to cause a spin.
    • 一种驾驶稳定性控制系统,其适于控制用于打开和关闭主缸和车轮制动单元之间的液压通道的阀,并同时控制加压阀和压力释放阀,以便选择性和独立地向制动力提供制动力 当检测到指定的驾驶状态时,执行制动单元,执行协调制动控制,当执行驾驶稳定性控制期间检测到指定的踏入压力时,根据制动踏板行驶的制动单元作为驾驶 旨在同时降低驾驶稳定性控制的参与程度,以便确保制动车辆的车轮的抓地力并减小驾驶稳定性控制的参与程度,其目的是使车辆的驾驶稳定性重要,当车辆 将会引起旋转。
    • 8. 发明授权
    • Monitoring systems in sequential program control arrangements
    • 顺序程序控制安排中的监控系统
    • US4947349A
    • 1990-08-07
    • US198575
    • 1988-05-25
    • Yukio MunenagaTomoji Izumi
    • Yukio MunenagaTomoji Izumi
    • G05B19/02G05B19/048G05B19/05G05B23/02G06F17/40
    • G05B23/0245G05B2219/24042
    • A monitoring system in a sequential program control arrangement comprises an operation detecting portion for detecting operating states of components of the sequential program control arrangement for machinery, a memory for storing reference operating states at sequential check steps, a difference detecting section for detecting a difference between an actual operating state detected by the operation detecting portion and the reference operating state, a control section for causing the difference detecting section to compare the actual operating states detected successively with the reference operating states at corresponding check steps respectively, then after a first check step at which the differnece between the actual operating state and the reference operating state is detected, to compare the actual operating state of the first check step with the reference operating state at each of check steps between the first check step and a second check step ahead of the first check step by a predetermined step number, and further after a third check step at which the reference operating state is coincident with the actual operating step of the first check step, to compare the actual operating states with the reference operating states at check steps ahead of the third check step respectively, and a checking section for checking the operation of the machinery based on the differences detected by the difference detecting section.
    • 顺序程序控制装置中的监视系统包括操作检测部分,用于检测用于机器的顺序程序控制装置的部件的操作状态,用于在连续检查步骤存储参考操作状态的存储器,差值检测部分, 由操作检测部分检测到的实际操作状态和参考操作状态;控制部分,用于使差异检测部分分别在相应的检查步骤上将连续检测的实际操作状态与参考操作状态进行比较,然后在第一检查步骤 检测实际操作状态和参考操作状态之间的差异,以在第一检查步骤和第一检查步骤之前的第二检查步骤之前的每个检查步骤将第一检查步骤的实际操作状态与参考操作状态进行比较 第一个检查步骤b ya预定步数,并且在第三检查步骤之后,参考操作状态与第一检查步骤的实际操作步骤一致,以在第三检查之前的检查步骤将实际操作状态与参考操作状态进行比较 步骤,以及检查部,其基于由差异检测部检测出的差异来检查机器的动作。
    • 10. 发明授权
    • Slip control system for vehicle
    • 车辆滑动控制系统
    • US5248189A
    • 1993-09-28
    • US943528
    • 1992-09-11
    • Tomoji IzumiHiroaki SakamotoTetsuhiro YamashitaYoshito Watanabe
    • Tomoji IzumiHiroaki SakamotoTetsuhiro YamashitaYoshito Watanabe
    • B60T8/175B60T8/40B60T8/48B60T8/58
    • B60T8/175B60T8/4045B60T8/4809B60T8/4854B60T2270/203
    • A valve mechanism is provided in a hydraulic line which connects a master cylinder of a brake system and a brake provided for a driving wheel of a vehicle. When the slip of the driving wheel is larger than a predetermined value, the valve mechanism is selectively moved between a position where it directly applies brake fluid from the master cylinder to the brake and a position where it returns brake fluid discharged from the brake to an oil reservoir, thereby controlling the driving torque of the driving wheel to converge the slip of the driving wheels to a proper level. An oil pump is operated to return the brake fluid in the oil reservoir to the master cylinder when the valve mechanism is operated to effect the slip control. While the brake pedal is in the released state, the oil pump is kept operated during the slip control and for a predetermined time after interruption of the slip control so that the brake fluid in the oil reservoir is returned to the master cylinder substantially completely. When the brake pedal is depressed while the slip being effected, the slip control is ended and the oil pump is stopped. After the brake pedal is released, the oil pump is operated for a predetermined time.
    • 在连接制动系统的主缸和为车辆的驱动轮设置的制动器的液压管路中设置有阀机构。 当驱动轮的滑移大于预定值时,阀机构选择性地在其从主缸与制动器直接施加制动流体的位置和将从制动器排出的制动液体返回到制动器的位置之间移动 从而控制驱动轮的驱动扭矩以将驱动轮的滑动收敛到适当的水平。 当操作阀机构以实现滑动控制时,操作一个油泵将油箱中的制动液返回主缸。 当制动踏板处于释放状态时,在滑动控制期间油泵被保持操作,并且在打滑控制中断之后的预定时间内,使得储油器中的制动流体基本上完全返回到主缸。 当打滑时制动踏板被按下时,滑移控制结束,油泵停止。 制动踏板释放后,油泵运转一段时间。