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    • 23. 发明授权
    • Power steering device for vehicles
    • 车辆动力转向装置
    • US4310063A
    • 1982-01-12
    • US107594
    • 1979-12-27
    • Masao Nishikawa
    • Masao Nishikawa
    • B62D1/16B62D5/22B62D6/02B62D5/08
    • B62D6/02
    • A power steering device for vehicles including powering means for providing vehicle wheels with power assistance when the vehicle is steered, control means for controlling the powering means based on a steering direction of a steering wheel, and returning means for normally urging the control means to a neutral position. Resilient means such as a torsion bar is disposed between the returning means and the steering wheel for rotational displacement with a substantially linear spring constant, responsive to the steering torque, for thereby providing a variable steering ratio.
    • 一种用于车辆的动力转向装置,包括用于在车辆被转向时为车轮提供动力辅助的动力转向装置,用于基于方向盘的转向方向控制动力装置的控制装置,以及用于正常地将控制装置推向一个 中立位置 响应于转向扭矩,诸如扭杆的弹性装置设置在返回装置和用于旋转位移的方向盘之间具有基本上线性的弹簧常数,从而提供可变转向比。
    • 24. 发明授权
    • Shock absorber for vehicle use
    • 车辆用减震器
    • US4183509A
    • 1980-01-15
    • US878222
    • 1978-02-14
    • Masao NishikawaHitoshi Yamamoto
    • Masao NishikawaHitoshi Yamamoto
    • B60G15/06B60G17/08F16F9/44
    • F16F9/44B60G15/063B60G17/08B60G2202/312B60G2204/1242B60G2204/4402
    • In a shock absorber of the type including a piston-cylinder assembly, a coiled suspension spring and a damping-force control mechanism arranged on the piston, the upper spring seat member is rotatably mounted on the top end of the piston rod and operatively connected with the control mechanism through a sleeve rotatably fitted over the piston rod to serve also as an adjusting dial. The control mechanism includes, among others, an orifice disc formed therein with circumferentially spaced orifices of different diameters and arranged on top of the piston. The orifice disc is rotatable with the sleeve selectively to place the orifices in fluid communication with a fluid passage formed through the piston. The damping characteristic of the shock absorber can be readily adjusted from outside whenever desired by manual operation of the adjusting dial or upper spring seat without the need for dismounting the absorber unit from the vehicle.
    • 在包括活塞 - 气缸组件,螺旋悬挂弹簧和布置在活塞上的阻尼力控制机构的类型的减震器中,上弹簧座构件可旋转地安装在活塞杆的顶端上并可操作地与 该控制机构通过可旋转地装配在活塞杆上的套筒也用作调节盘。 控制机构包括其中形成有具有不同直径的周向间隔开的孔并且布置在活塞顶部上的孔盘。 孔板可选择性地与套筒一起旋转,以便将孔口与通过活塞形成的流体通道流体连通。 如果需要通过调节拨盘或上弹簧座的手动操作,可以从外部容易地调节减震器的阻尼特性,而不需要从车辆拆卸吸收器单元。
    • 25. 发明授权
    • Hydraulic speed change gear having an automatic pressure control device
    • 具有自动压力控制装置的液压变速齿轮
    • US4087969A
    • 1978-05-09
    • US775322
    • 1977-03-07
    • Noriyuki TakahashiMasao Nishikawa
    • Noriyuki TakahashiMasao Nishikawa
    • B62D11/18F16H39/02F16H61/40F16H61/4008F16H61/4035F16H61/4052F16H61/4139F15B9/14F15B11/16
    • F16H61/4078B62D11/18F16H39/02F16H61/4026F16H61/4139F16H61/421F16H61/46
    • A hydraulic speed change gear designed to automatically control its hydraulic circuit pressure to be held at all times at a substantially constant level irrespective of the loading condition so as to enable the pressure oil in the hydraulic circuit to be used as a pressure source for other various hydraulic equipment. To this end, the gear includes a fixed displacement hydraulic pump adapted to be driven by an input shaft, a variable displacement hydraulic motor having an output shaft, a closed hydraulic circuit connecting between said pump and said motor, a hydraulic supply pump drivably coupled to said input shaft, a supply passage connected with a discharge port of said supply pump and with said closed hydraulic circuit through check valves, and an oil pressure control device connected with said closed hydraulic circuit and said supply passage for reducing the oil pressure in said supply passage in proportion to a pressure rise in said closed hydraulic circuit.
    • 一种液压变速齿轮,被设计成自动控制其液压回路压力,始终保持在基本上恒定的水平,无论装载状况如何,以使液压回路中的压力油能够用作其它各种压力源 液压设备。 为此,齿轮包括适于由输入轴驱动的固定排量液压泵,具有输出轴的可变排量液压马达,连接在所述泵和所述马达之间的闭合液压回路,可驱动地连接到 所述输入轴,与所述供给泵的排出口连接的供给通道和通过止回阀的所述闭合液压回路;以及与所述闭合液压回路和所述供给通路连接的油压控制装置,用于降低所述供给的油压 与所述封闭液压回路中的压力升高成比例地流动。
    • 27. 发明授权
    • Automatic gain control circuit
    • 自动增益控制电路
    • US4006427A
    • 1977-02-01
    • US673045
    • 1976-04-02
    • Masao Nishikawa
    • Masao Nishikawa
    • H03G3/02H03G3/30
    • H03G3/3015
    • In a recording system or the like including two, left and right, channels, an automatic gain control circuit for ensuring that the characteristics of the two channels always be substantially equal to each other, wherein a variable impedance circuit comprising at least one transistor is provided in association with each of the foregoing channels; a correcting variable resistor is connected between the bases of the transistors; and a control signal source is provided which has one terminal thereof connected to the movable contact of the correcting variable resistor, the other terminal of the control signal source being grounded and connected across the correcting variable resistors through shunt resistors.
    • 在包括两个左,右通道的记录系统等中,提供一种用于确保两个通道的特性总是基本相等的自动增益控制电路,其中提供包括至少一个晶体管的可变阻抗电路 与上述每个渠道相关联; 校正可变电阻器连接在晶体管的基极之间; 并且提供控制信号源,其一端连接到校正可变电阻的可动触点,控制信号源的另一端接地,并通过分流电阻连接在校正可变电阻之间。
    • 28. 发明授权
    • Steering assist system in a vehicle
    • 车辆转向辅助系统
    • US6092619A
    • 2000-07-25
    • US852844
    • 1997-05-07
    • Masao NishikawaKenshiro Hashimoto
    • Masao NishikawaKenshiro Hashimoto
    • B60W30/00B62D1/28B62D6/00G05D1/02B62D5/04
    • B62D15/025G05D1/0246G05D1/0272B60T2201/08B60T2201/087G05D2201/0213
    • A steering assist system in a vehicle, wherein the traveling of a vehicle along a reference lane can be realized by applying a reference induction force determined in accordance with the magnitude and direction of a deviation of the subject vehicle from a reference target course (zone) established within the reference lane, and moreover, the lane change can be easily and naturally performed by a driver. A second target course (zone) is established in a second lane along which the vehicle travels after the lane change. A second induction force applied to a steering means to realize the traveling of the vehicle along the second lane is set in accordance with the magnitude and direction of a deviation of the subject vehicle from the second target course (zone). The reference target course (zone) and the second target course (zone) are connected in a connection course (zone) in which the force applied from a driving means to the steering means during the lane change is substantially "0".
    • 一种车辆中的转向辅助系统,其中,可以通过将根据本车辆的偏差的大小和方向确定的参考感应力与参考目标路线(区域)相对应,来实现车辆沿着参考车道的行驶, 建立在参考车道内,并且车道变化可以由驾驶员容易且自然地进行。 在第二车道上建立第二目标路线(区域),车道在车道改变之后沿车道行驶。 根据本车辆与第二目标路线(区域)的偏差的大小和方向,设定施加到转向装置以实现车辆沿着第二车道的行驶的第二感应力。 参考目标路线(区域)和第二目标路线(区域)连接在连接路线(区域)中,其中在车道改变期间从驱动装置施加到转向装置的力基本上为“0”。
    • 29. 发明授权
    • Steering angle correcting system in vehicle
    • 车辆转向角修正系统
    • US06053270A
    • 2000-04-25
    • US743423
    • 1996-11-01
    • Masao NishikawaShinnosuke IshidaKenshirou Hashimoto
    • Masao NishikawaShinnosuke IshidaKenshirou Hashimoto
    • B60R21/20B60R21/203B62D1/28B62D6/00B62D5/04
    • B60R21/2037B62D1/10B62D15/025B60T2201/08B60T2201/087
    • In a steering angle correcting system, a steering amount required to maintain a positional relationship of a subject vehicle to a road lane ahead of the subject vehicle is calculated in a steering amount calculating device based on outputs from a first detecting device for detecting the state of a lane of a road ahead of the vehicle or which the vehicle is traveling, and a second detecting device for detecting a current positional relationship of the subject vehicle to the road lane. A steering device is driven by a driving device mounted between a grasping portion of a steering wheel and the steering device so as to decrease the difference between a steering amount detected by a steering amount detecting device and a steering amount calculated in the steering amount calculating device. Whenever a driver's intention and the determination by the system are different from each other, a driver can operate the steering wheel to intervene in the steering. In addition, the driver can immediately intervene in the steering at all times, while normally maintaining a cooperating relationship with the system. Thus, the steering angle correcting system has a semi-automatic steering concept.
    • 在转向角校正系统中,基于来自用于检测车辆的状态的第一检测装置的输出,在转向量计算装置中计算保持本车辆与本车辆前方的道路车道的位置关系所需的转向量 车辆前方或车辆行驶的道路的车道,以及用于检测本车辆与道路车道的当前位置关系的第二检测装置。 转向装置由安装在方向盘的把持部分和转向装置之间的驱动装置驱动,以便减小由转向量检测装置检测到的转向量与在转向量计算装置中计算的转向量之间的差异 。 每当驾驶员的意图和系统的确定彼此不同时,驾驶员可以操作方向盘来介入转向。 此外,司机可以随时干预转向,同时通常保持与系统的协调关系。 因此,转向角校正系统具有半自动转向概念。