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    • 2. 发明授权
    • Power-assisted steering system
    • 动力辅助转向系统
    • US4765428A
    • 1988-08-23
    • US19419
    • 1987-02-26
    • Hiroshi KawakamiHarunori ShiratoriKoichi SugiharaAtsushi WatanabeFumio Kishida
    • Hiroshi KawakamiHarunori ShiratoriKoichi SugiharaAtsushi WatanabeFumio Kishida
    • B62D5/083B62D5/22B62D6/02B62D5/08
    • B62D6/02
    • A power-assisted steering system includes a changeover valve unit comprising an input shaft to be rotated by the driver's steering effort applied thereto, an output shaft operatively connected to a hydraulic power cylinder associated with the steering system, a valve assembly for controlling the supply of fluid under pressure from a hydraulic pump to the power cylinder in response to relative rotation between the input and output shafts; and a hydraulic reaction mechanism for applying a reaction force to the input shaft in accordance with a hydraulic reaction pressure applied thereto. The reaction mechanism includes a reaction fluid chamber to be constantly applied with a predetermined small quantity of fluid under pressure and to be applied with a hydraulic pressure caused by relative rotation between the input and output shafts through a throttle. The system is arranged to increase the hydraulic pressure in the reaction fluid chamber in accordance with an increase of travel speed of the vehicle.
    • 一种动力辅助转向系统,包括转换阀单元,该转换阀单元包括由驾驶员施加到其上的转向力旋转的输入轴,可操作地连接到与转向系统相关联的液压动力缸的输出轴, 响应于输入和输出轴之间的相对旋转,从液压泵到动力缸的压力下的流体; 以及用于根据施加到其上的液压反作用压力向输入轴施加反作用力的液压反作用机构。 反应机构包括反应流体室,以在压力下恒定地施加预定量的流体,并且通过节气门施加由输入轴和输出轴之间的相对旋转引起的液压。 该系统被布置成根据车辆的行进速度的增加来增加反应流体室中的液压。
    • 4. 发明授权
    • Control system for hydraulic tandem pump in motor vehicle
    • 机动车液压串联泵控制系统
    • US4798050A
    • 1989-01-17
    • US60525
    • 1987-06-11
    • Keiichi NakamuraTsuneo TanakaYoshiharu InagumaHarunori Shiratori
    • Keiichi NakamuraTsuneo TanakaYoshiharu InagumaHarunori Shiratori
    • F04B49/06B62D5/07B62D5/32F01P7/04F04B49/00F16D31/00
    • F01P7/044B62D5/07B62D5/32
    • A control system for a hydraulic tandem pump assembly including a primary pump for supplying fluid under pressure to a power-assisted steering device and a secondary pump for supplying fluid under pressure to a hydraulic motor of an engine cooling fan, which pumps are mounted on a common drive shaft for rotation therewith. The control system includes an electrically operated flow quantity control valve disposed within a communication passage between the secondary pump and the hydraulic motor to bypass fluid under pressure discharged from the secondary pump into an inlet passage connecting a fluid reservoir to the secondary pump, a temperature sensor arranged to detect an ambient temperature of a prime engine of the vehicle for producing therefrom an output signal indicative of the ambient temperature, and an electric control apparatus connected to the sensor to control an electric current applied to the control valve in response to the output signal from the sensor in such a manner that the control valve is conditioned to bypass a large part or the entirety of fluid under pressure discharged from the secondary pump into the inlet passage when the ambient temperature of the engine is below a predetermined value.
    • 一种用于液压串联泵组件的控制系统,包括用于将压力下的流体供应到动力辅助转向装置的主泵和用于将压力下的流体供应到发动机冷却风扇的液压马达的次级泵,所述泵安装在 公共驱动轴与其一起旋转。 控制系统包括电动流量控制阀,其设置在次级泵和液压马达之间的连通通道内,以将从次级泵排出的压力旁通的流体连接到将流体储存器连接到次级泵的入口通道,温度传感器 布置成检测车辆的主引擎的环境温度,从而产生指示环境温度的输出信号,以及连接到传感器的电气控制装置,以响应于输出信号控制施加到控制阀的电流 从传感器以使发动机的环境温度低于预定值时控制阀被调节为绕过从次级泵排出的压力的大部分或全部流体进入入口通道。
    • 5. 发明授权
    • Vehicle height adjustment system providing uniform height control
    • 车高调整系统提供均匀的高度控制
    • US4593931A
    • 1986-06-10
    • US660125
    • 1984-10-12
    • Harunori ShiratoriMasaru IshikawaHisami Kato
    • Harunori ShiratoriMasaru IshikawaHisami Kato
    • B60G17/00B60G17/015B60G17/033B60G17/04F15B11/02
    • B60G17/04B60G17/033
    • This height adjustment system includes: a source of pressurized working fluid; several fluid pressure actuated wheel suspension units, each of which resiliently pushes a one of the wheels of the vehicle downwards with respect to the body thereof, according to the amount of pressurized working fluid supplied to it; a passage means for conducting supply of working fluid from the source to the wheel suspension units; several valve means, provided at intermediate points of the passage means, for controlling flow of working fluid therethrough; and a flow divider means which has an inlet and two outlets, one of the outlets being communicated to a first set of the wheel suspension units for a first set of the wheels of the vehicle and the other of the outlets being communicated to a second disjoint set of the wheel suspension units for a second disjoint set of the wheels of the vehicle. This flow divider is incorporated at an intermediate point of the passage means, provides a branch point of the passage means, and receives supply of pressurized working fluid at its inlet and divides this supply between its two outlets in a ratio which is substantially independent of the pressures at these two outlets. Optionally, this flow divider may be controllable with regard to the ratio in which it divides the fluid input to it through this inlet between these two outlets.
    • 该高度调节系统包括:加压工作流体源; 几个流体压力致动轮悬挂单元,每个流体压力致动轮悬挂单元根据供应给其的加压工作流体的量,相对于其主体向下弹动地推动车辆的一个车轮; 通道装置,用于将工作流体从源提供到车轮悬挂单元; 设置在通道装置的中间点处的几个阀装置,用于控制工作流体通过其流动; 以及分流器装置,其具有入口和两个出口,其中一个出口与第一组车轮悬挂单元连通,用于车辆的第一组车轮,另一个出口被连通到第二不相交 用于车辆的车轮的第二不相交组的车轮悬挂单元的组。 该分流器被结合在通道装置的中间点处,提供通道装置的分支点,并且在其入口处接收加压工作流体的供应并且在其两个出口之间以相对于 这两个渠道的压力。 可选地,该分流器可以相对于其通过这两个出口之间的入口将流体输入分配到其的比例来控制。
    • 6. 发明授权
    • Upper support in vehicle suspension systems
    • 车辆悬架系统的上部支撑
    • US4465296A
    • 1984-08-14
    • US359105
    • 1982-03-17
    • Harunori ShiratoriYoshikazu Tsukamoto
    • Harunori ShiratoriYoshikazu Tsukamoto
    • B60G13/06B60G15/06F16F1/38F16F9/54B60G11/14
    • B60G15/068B60G2204/128B60G2204/4104B60G2204/41044B60G2204/4108
    • An upper support for a wheel suspension assembly of a vehicle having a shock absorber. The upper support comprises an inner member connected to a piston rod of the shock absorber, an outer member disposed concentrically with the inner member and fixed to the vehicle body, and a resilient member interposed between the inner and outer members. The outer member consists of two annular halves which are fixed together with their outer peripheral flanges in abutment with each other. Stopper means are provided preferably on the outer member for limiting an axial elastic deformation of the resilient member. One or both axial end portions of the resilient member held in the outer member have an annular groove concentric with the inner member and a plurality of bosses equally spaced along the annular groove. The bosses are axially outwardly projected from an annular abutment portion of the resilient member which is radially inward of the annular groove. The ends of the bosses are in constant abutment on the stopper means and the annular abutment portion comes into contact with the stopper means upon application of high loads to the resilient member. The resilient member preferably has air vents communicating the annular groove with outside atmosphere.
    • 具有减震器的车辆的车轮悬架组件的上支撑件。 上支撑件包括连接到减震器的活塞杆的内部构件,与内部构件同心地设置并固定到车身的外部构件,以及插入在内部构件和外部构件之间的弹性构件。 外部构件由两个环形半部组成,两个环形半部与它们的外围凸缘相互固定在一起。 阻挡装置优选地设置在外部构件上,以限制弹性构件的轴向弹性变形。 保持在外部构件中的弹性构件的一个或两个轴向端部具有与内部构件同心的环形槽和沿着环形槽等距间隔开的多个凸起。 凸起从环形凹槽的径向内侧的弹性构件的环形邻接部分轴向向外突出。 凸台的端部在止动装置上保持一定的邻接,并且当对弹性构件施加高负荷时,环形抵接部分与止动装置接触。 弹性构件优选地具有使环形槽与外部气氛连通的通风口。
    • 7. 发明授权
    • Power-assisted steering system
    • 动力辅助转向系统
    • US4858713A
    • 1989-08-22
    • US163947
    • 1988-03-03
    • Hiroshi KawakamiHarunori ShiratoriKoichi SugiharaAtsushi WatanabeFumio Kishida
    • Hiroshi KawakamiHarunori ShiratoriKoichi SugiharaAtsushi WatanabeFumio Kishida
    • B62D6/02F42B33/04
    • B62D6/02F42B33/04
    • A power-assisted steering system includes a changeover valve unit comprising an input shaft to be rotated by the driver's steering effort applied thereto, an output shaft operatively connected to a hydraulic power cylinder associated with the steering system, a valve assembly for controlling the supply of fluid under pressure from a hydraulic pump to the power cylinder in response to relative rotation between the input and output shafts; and a hydraulic reaction mechanism for applying a reaction force to the input shaft in accordance with a hydraulic reaction pressure applied thereto. The reaction mechanism includes a reaction fluid chamber to be constantly applied with a predetermined small quantity of fluid under pressure and to be applied with a hydraulic pressure caused by relative rotation between the input and output shafts through a throttle. The system is arranged to increase the hydraulic pressure in the reaction fluid chamber in accordance with an increase of travel speed of the vehicle.
    • 一种动力辅助转向系统,包括转换阀单元,该转换阀单元包括由驾驶员施加到其上的转向力旋转的输入轴,可操作地连接到与转向系统相关联的液压动力缸的输出轴, 响应于输入和输出轴之间的相对旋转,从液压泵到动力缸的压力下的流体; 以及用于根据施加到其上的液压反作用压力向输入轴施加反作用力的液压反作用机构。 反应机构包括反应流体室,以在压力下恒定地施加预定量的流体,并且通过节气门施加由输入轴和输出轴之间的相对旋转引起的液压。 该系统被布置成根据车辆的行进速度的增加来增加反应流体室中的液压。