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    • 4. 发明授权
    • System and method for controlling damping force characteristic of shock
absorber applicable to automotive suspension
    • 用于控制适用于汽车悬架的减震器的阻尼力特性的系统和方法
    • US5377107A
    • 1994-12-27
    • US798887
    • 1991-11-27
    • Hiroyuki ShimizuShinobu KakizakiKimihisa Kasajima
    • Hiroyuki ShimizuShinobu KakizakiKimihisa Kasajima
    • B60G17/015B60G17/018F16F9/50B60G17/00
    • B60G17/018B60G2400/102B60G2400/60B60G2400/91B60G2500/102B60G2600/02B60G2600/12B60G2600/16B60G2600/604B60G2600/70B60G2800/24
    • A system and method for controlling a damper of vehicular suspension in which when the vehicle runs on a paved road and a frequency at which the detected sprung mass acceleration exceeds a dead zone is below a set value, the damping force characteristic is optimally controlled in a predetermined variable range. When the vehicle runs on a rough road and a frequency at which the detected acceleration exceeds the dead zone is above the set value, a minimum damping force limit of the predetermined variable range of the damping force characteristic is shifted toward a relatively high damping force side, The dead zone is set with an average value of the acceleration of sprung mass as a center. Hence, when the vehicle turns and zigzags, the vehicular body is inclined so that an absolute value of the sprung mass acceleration is largely changed. In this case, when an average value of the acceleration of the sprung mass is accordingly changed and the dead zone is accordingly shifted. Thus, the frequency at which the sprung mass acceleration exceeds the dead zone accurately corresponds to a situation on a road surface and the damping force characteristic is accurately controlled according to the road surface condition.
    • 一种用于控制车辆悬架的阻尼器的系统和方法,其中当车辆在铺路面上行驶时,检测到的悬挂质量加速度超过死区时的频率低于设定值,阻尼力特性被最佳地控制在 预定可变范围。 当车辆在粗糙的道路上行驶,并且检测到的加速度超过死区的频率高于设定值时,阻尼力特性的预定可变范围的最小阻尼力极限向相对较高的阻尼力侧移动 死区以弹簧质量加速度的平均值为中心设定。 因此,当车辆转弯和锯齿形时,车身倾斜,从而使悬挂质量加速度的绝对值发生很大变化。 在这种情况下,当相应地改变弹簧质量的加速度的平均值并且死区相应地移动时。 因此,弹簧质量加速度超过死区的频率准确地对应于路面上的情况,并且根据路面状况来精确地控制阻尼力特性。
    • 8. 发明授权
    • Concrete mixer truck
    • 混凝土搅拌车
    • US09409313B2
    • 2016-08-09
    • US13546114
    • 2012-07-11
    • Hiroyuki Shimizu
    • Hiroyuki Shimizu
    • B28C5/42B28C7/02B28C7/12
    • B28C5/422B28C7/026B28C7/12
    • A concrete mixer truck includes: a driving device that drives a mixer drum to rotate; a pressure sensor that detects a pressure of the working fluid in the driving device; a material introduction determination unit that determines whether or not a material for generating the mixed concrete has been introduced into the mixer drum; a pressure determination unit that determines whether or not the pressure of the working fluid detected by the pressure sensor has fallen to a set pressure set in advance in accordance with a carrying amount and a fluidity of the mixed concrete after the introduction of the materials for the mixed concrete into the mixer drum; and a notification device that notifies an operator that the pressure of the working fluid in the driving device has fallen to the set pressure on the basis of the determination made by the pressure determination unit.
    • 混凝土搅拌车包括:驱动搅拌筒旋转的驱动装置; 检测所述驱动装置内的工作流体的压力的压力传感器; 材料介绍确定单元,其确定用于产生混合混凝土的材料是否被引入到混合器鼓中; 压力确定单元,其确定由压力传感器检测到的工作流体的压力是否已经下降到预先设定的设定压力之后,根据混合混凝土的承载量和流动性,在引入用于 将混凝土搅拌成混合器; 以及通知装置,其基于由压力确定单元做出的确定通知操作者驱动装置中的工作流体的压力已经下降到设定压力。