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    • 6. 发明授权
    • Vehicle steering apparatus
    • 车辆转向装置
    • US07308964B2
    • 2007-12-18
    • US10952917
    • 2004-09-30
    • Kazuo HaraNoriki KubokawaTetsuya OsonoiTakaaki EguchiKiyotaka ShitamitsuHitoshi Ono
    • Kazuo HaraNoriki KubokawaTetsuya OsonoiTakaaki EguchiKiyotaka ShitamitsuHitoshi Ono
    • B62D5/04
    • B62D5/003B62D1/163B62D5/008B62D7/09
    • A vehicle steering apparatus includes a steering input section having at least a steering wheel to which steering input is applied, and a steering output section having at least a steering rack shaft and operatively associated with left and right steered wheels for steering the steered wheels by steering-rack-shaft movement produced by a steering force determined based on the steering input and transmitted directly or indirectly to the steering rack shaft. The steering rack shaft is split into left and right movable rack shaft portions. Also provided is a steer angle converter enabling a differential rack stroke between left and right rack strokes of the left and right movable rack shaft portions. The steer angle converter is constructed by at least one of a variable-pitch dual rack arrangement and a dual taper-pulley arrangement of a cable back-up mechanism.
    • 车辆转向装置包括至少具有转向输入的方向盘的转向输入部分和至少具有转向齿条轴的转向输出部分,并且可操作地与左右转向轮相关联,用于通过转向转向转向轮 由基于转向输入确定并且直接或间接地传递到转向齿条轴的转向力产生的轨道轴运动。 转向齿条轴分为左右可动齿条轴部分。 还提供了一种转向角转换器,其能够实现左右可移动齿条轴部分的左右齿条行程之间的差速齿条行程。 转向角转换器由可变间距双齿条布置和电缆支撑机构的双锥形滑轮布置中的至少一个构成。
    • 8. 发明申请
    • Vehicle steering system
    • 车辆转向系统
    • US20050045413A1
    • 2005-03-03
    • US10886702
    • 2004-07-09
    • Kiyotaka ShitamitsuHitoshi OnoKazuo Hara
    • Kiyotaka ShitamitsuHitoshi OnoKazuo Hara
    • B62D5/00B62D5/04
    • B62D5/0409B62D5/003B62D5/0487
    • A vehicle steering system is provided with a primary steering system, a backup steering system and a control system that switches from the primary steering system to the backup steering system when a defect is determined in the primary steering system such as a defeat in a steering reaction force actuator. The vehicle steering system has a pair of clutches that mechanically disconnect the steering wheel from the steerable vehicle wheels in normal situations, and connect them when the steering reaction force actuator is determined to be defective. The control system has a steering malfunction detection section that detects a malfunction in the steering reaction force actuator, and a steering control limiting section that limits the control commands to the steering gear unit actuator from when the steering reaction force actuator is determined to be malfunctioning to when both the clutches are connected.
    • 车辆转向系统设有初级转向系统,后备转向系统和控制系统,当在主转向系统中确定缺陷时(例如转向反作用中的失败),从主转向系统切换到备用转向系统 力致动器。 车辆转向系统具有一对离合器,其在正常情况下机械地将方向盘与可转向车轮分离,并且当转向反作用力致动器被确定为有缺陷时将其连接。 控制系统具有检测转向反作用力致动器的故障的转向故障检测部,以及转向控制限制部,其将来自转向反作用力促动器的转向反作用力致动器判定为发生故障的转向控制限制部, 当两个离合器连接时。
    • 10. 发明授权
    • Fixed earth station
    • 固定地球站
    • US5751247A
    • 1998-05-12
    • US797860
    • 1997-02-10
    • Shinichi NomotoHideo KobayashiTeruhiko HondaKazuo Hara
    • Shinichi NomotoHideo KobayashiTeruhiko HondaKazuo Hara
    • H01Q15/16H01Q3/02H01Q3/08H01Q21/28H04B7/155H04B7/185H01Q3/00
    • H04B7/18517H01Q3/02
    • It is the object of the present invention to provide a fixed earth station in which many antennas can be placed in a site area limited to one-several tenth of the conventional one. On a rotatable base 2, a plurality of antennas 1a to 1e are mounted. A control unit 4 controls the rotation angle of a drive unit for driving the base by the previously known orbital parameters of communication satellites. Further, the azimuth angle and the elevation angle of the respective antennas are controlled by antenna control units 5a to 5e, and the antennas catch and track communication satellites having appeared in the sky. As a result, the rotation angle of the base 2 can be set so that a beam accessing a satellite of a low elevation angle is not intercepted by other antennas. In addition, the area in which the antennas are placed can be reduced to about 1/50 of the conventional one. As other embodiments, there are an embodiment in which the antenna height is varied, an embodiment in which antennas are mounted on vehicles to change the position thereof, an embodiment in which antennas are made to travel on previously laid rails, etc.
    • 本发明的目的是提供一种固定的地球站,其中可以将许多天线放置在限于常规天线的十分之一的位置区域中。 在可旋转底座2上安装有多个天线1a至1e。 控制单元4通过先前已知的通信卫星的轨道参数来控制用于驱动基座的驱动单元的旋转角度。 此外,天线控制单元5a至5e控制各天线的方位角和仰角,并且天线捕获并跟踪出现在天空中的通信卫星。 结果,基座2的旋转角度可以被设定为使得接近低仰角的卫星的波束不被其他天线截取。 此外,将天线放置的区域可以减小到常规的天线的大约+ E,fra 1/50 + EE。 作为其他实施例,存在天线高度变化的实施例,其中天线安装在车辆上以改变其位置的实施例,其中使天线在先前铺设的轨道上行进的实施例等。