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    • 81. 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。
    • 90. 发明授权
    • Valve timing control apparatus of internal combustion engine
    • 内燃机气门正时控制装置
    • US08689748B2
    • 2014-04-08
    • US13611698
    • 2012-09-12
    • Atsushi Watanabe
    • Atsushi Watanabe
    • F01L1/34
    • F01L1/3442F01L2001/34456F01L2001/34466F01L2001/34476
    • In a valve timing control apparatus, phase-retard and phase-advance hydraulic chambers are defined among a plurality of shoes formed in a housing and a plurality of vanes formed integral with a rotor fixed to a camshaft. The rotor has a large-diameter portion formed between a first group of adjacent vanes and a small-diameter portion formed between a second group of adjacent vanes. The innermost end of a shoe of the shoes, opposed to the outer peripheral surface of the small-diameter portion, is configured to protrude radially inward rather than the innermost end of a shoe of the shoes, opposed to the outer peripheral surface of the large-diameter portion. A lock pin is located in the large-diameter portion of the rotor, whereas a lock hole, with which the lock pin slides into and out of engagement, is located in the inner face of a sprocket.
    • 在气门正时控制装置中,在形成于壳体中的多个鞋和与固定在凸轮轴上的转子一体形成的多个叶片之间限定了相位阻滞和相位推进液压室。 转子具有形成在第一组相邻叶片之间的大直径部分和形成在第二组相邻叶片之间的小直径部分。 与小直径部分的外周面相对的鞋的最内端构造成径向向内突出,而不是鞋的鞋的最内端,与鞋的外周面相对, 直径部分。 锁销位于转子的大直径部分,而锁定销滑入和脱离啮合的锁定孔位于链轮的内表面。