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    • 5. 发明授权
    • Stabilizer device for motor vehicles
    • 汽车稳定装置
    • US4973077A
    • 1990-11-27
    • US509304
    • 1990-04-13
    • Kiyoaki KuwayamaKatsumi Hirabayashi
    • Kiyoaki KuwayamaKatsumi Hirabayashi
    • B60G21/055B60G21/10F16F9/19F16F9/44
    • B60G21/0553F16F9/19F16F9/44B60G2202/135B60G2202/154B60G2202/413B60G2400/98B60G2500/2014B60G2800/012B60G2800/014
    • Stabilizer device for motor vehicles including a torsion bar, an actuator having a piston and two cylinder chambers on both sides of piston, a first and a second fluid passages for connecting said two cylinder chambers, respectively, a solenoid changeover valve provided in first fluid passage. A actuator has two openings for communicating with each end of first fluid passage within an area on which piston may not slidably contact. A plate member and a centering spring are provided within each of cylinder chambers in such a manner that each of plate members is to come in contact with a bottom surface of cylinder slightly by virtue of resilience of centering spring when piston is positioned in a neutral position. An opening is provided in each of bottom surface of cylinder chambers within an area on which plate member is to come in contact therewith. Each of openings is communicated with second fluid passage and a check valve may be mounted in each of openings.Relative movement of torsion bar with a body portion of the vehicle resulted from up-and-down motion of wheels is transmitted to piston through a piston rod. During changeover valve allows flow of fluid flowing first fluid passage between cylinder chambers, anti-roll, anti-dive and anti-squat effects of torsion bar are made ineffective. When changeover valve prohibits flow of fluid in first fluid passage, fluid is trapped in both cylinder chambers, therefore, anti-roll or anti-dive and anti-squat effects of torsion bar are made effective. Fluid is allowed to flow from one cylinder chamber to another cylinder chamber through second fluid passage, then finally piston is positioned at neutral position.
    • 用于机动车辆的稳定装置包括扭杆,具有活塞的致动器和活塞两侧的两个气缸室,分别连接所述两个气缸室的第一和第二流体通道,设置在第一流体通道中的电磁转换阀 。 致动器具有两个开口,用于在活塞不能滑动接触的区域内与第一流体通道的每一端连通。 在每个气缸室中设置有板构件和定心弹簧,使得当活塞位于中间位置时,借助于定心弹簧的弹性,每个板构件将稍微与圆筒的底表面接触 。 在板构件与其接触的区域内的气缸室的每个底面中设置有开口。 每个开口与第二流体通道连通,止回阀可安装在每个开口中。 由于车轮的上下运动导致的扭力杆与车身的主体部分的相对运动通过活塞杆传递到活塞。 在切换阀期间,允许在气缸室之间流动的第一流体通道流动,扭杆的抗卷,抗潜水和抗蹲作用效果不起作用。 当切换阀禁止第一流体通道中的流体流动时,流体被捕获在两个气缸室中,因此扭转杆的抗卷或抗潜水和抗蹲作用变得有效。 允许流体通过第二流体通道从一个气缸室流动到另一个气缸室,然后最终将活塞定位在中性位置。
    • 8. 发明授权
    • Auto-tensioner
    • US5630767A
    • 1997-05-20
    • US578313
    • 1995-12-26
    • Katsumi HirabayashiYukimori Kobayashi
    • Katsumi HirabayashiYukimori Kobayashi
    • F16H7/12B60R22/195F16H7/08
    • B60R22/1954F16H7/0848F16H2007/081F16H2007/0812F16H2007/0859
    • An auto-tensioner including a body having a cylindrical bore defined therein; a shaft having first and second ends, the first end of the shaft being slidably and rotatably engaged with the cylindrical bore of the body, the body including a mechanism for sealing the shaft in the cylindrical bore so as to be fluid-tight; a support arm having upper and lower ends, the lower end of the support arm being fixedly connected to the second end of the shaft; a pulley rotatably connected to the upper end of the support arm, the pulley being operatively engaged with a belt under tension; a mechanism for rotatively urging the shaft and the support arm whereby the support arm maintains a tension engagement between the pulley and the belt, the urging mechanism being operatively connected between the body and the shaft; and a mechanism for converting rotational movement of the shaft into axial movement thereof along the cylindrical bore, the converting mechanism operatively connected between the shaft and the body, wherein the cylindrical bore includes an inner end and an outer end, the inner end of the cylindrical bore being formed so as to define a pressure chamber and a fluid chamber between the inner end of the cylindrical bore and the first end of the shaft, the pressure and fluid chambers are further formed so as to define a narrow fluid passage therebetween, the pressure and fluid chambers are filled with a viscous fluid, the body has a reservoir chamber defined therein and formed so as to be located above the pressure and fluid chambers, the reservoir chamber is filled with viscous fluid and gas, a first main fluid passage is defined in the body to communicatively connect the pressure chamber with the reservoir chamber, and a second main fluid passage is defined in the body to communicatively connect the fluid chamber with the reservoir chamber; and a valve mechanism located in the first fluid passage for selectively controlling fluid communication of the pressure and fluid chambers with each other and with the reservoir chamber.