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    • 25. 发明授权
    • Linear rolling guide unit
    • 直线滚动导轨单元
    • US5531521A
    • 1996-07-02
    • US395103
    • 1995-02-27
    • Isao OchiaiOsamu Satou
    • Isao OchiaiOsamu Satou
    • F16C29/06F16C29/08
    • F16C29/088F16C29/0635
    • The under seal of this linear rolling guide unit comprises a pair of L-shaped under seal members that are bent and engaged together. The under seal members can be positioned relative to each other by engaging the engagement projections and the engagement recesses. Because the under seal members can be moved relative to each other in the longitudinal direction, if there are dimensional errors in the overall length of the slider in the longitudinal direction, they can be offset by adjusting the overall length of the under seal. In this way, the elongation and contraction due to thermal expansion and external forces are accommodated. The under seal is secured to the end surfaces of the end caps, not the underside of the slider, so that even when the dimension H.sub.1 between the base on which the track rail is installed and the slider's underside is small, the under seal can be easily and firmly fixed.
    • 该线性滚动导向单元的底部密封件包括一对弯曲并接合在一起的L形下密封构件。 下密封构件可以通过接合接合突起和接合凹槽而相对于彼此定位。 由于底部密封构件能够在纵向上相对于彼此移动,因此如果滑块在纵向方向上的总长度存在尺寸误差,则可以通过调整下部密封件的总长度来抵消它们。 以这种方式,容纳由于热膨胀和外力引起的伸长和收缩。 底部密封件固定到端盖的端面,而不是滑块的下侧,使得即使当安装轨道轨道的基座与滑块的下侧之间的尺寸H1较小时,底部密封件可以 轻松牢固地固定。
    • 26. 发明授权
    • Valve timing control device for internal combustion engine
    • 内燃机气门正时控制装置
    • US5301639A
    • 1994-04-12
    • US81095
    • 1993-06-25
    • Osamu Satou
    • Osamu Satou
    • F01L1/34F01L1/344
    • F01L1/34406F01L2001/34433Y10T74/2102
    • The invention provides a rotational phase adjustment device mounted on a rotation shaft and having a hydraulic chamber rotatable with this rotation shaft, in which operating fluid or oil can be supplied to the hydraulic chamber from a housing covering the rotational phase adjustment device. Also, the invention provides a rotational phase adjustment device which can be assembled easily, and particularly prevents damages to an oil seal, sealing a hydraulic chamber, when assembling the oil seal. A housing is attached to an engine to cover the whole of a valve timing control device, and a ring plate is secured to the housing by a bolt threaded into the ring plate from the outside of the housing, so that an oil seal mounted on an outer periphery of the ring plate is held in liquidtight sliding contact with a camshaft sleeve to form two oil passages respectively inside and outside of the camshaft sleeve. The two oil passages are independent of each other, and connect a hydraulic control valve to a pair of hydraulic chambers provided respectively on opposite sides of a hydraulic piston in an axial direction. Helical splines are formed on at least one of inner and outer surfaces of the hydraulic piston, and are engaged with splines formed on the camshaft sleeve and a sprocket sleeve. Therefore, by moving the hydraulic piston in the axial direction, a valve timing is changed.
    • 本发明提供了一种旋转相位调节装置,其安装在旋转轴上并且具有可随该旋转轴旋转的液压室,其中工作流体或油可以从覆盖旋转相位调节装置的壳体供应到液压室。 另外,本发明提供一种可以容易地组装的旋转相位调节装置,特别是防止在组装油封时油封的密封,液压室的密封。 一个壳体附接到发动机以覆盖整个气门正时控制装置,并且环形板通过从壳体的外部螺纹连接到环形板中的螺栓固定到壳体,使得安装在壳体上的油封 环形板的外周与凸轮轴套筒保持液密的滑动接触,分别在凸轮轴套筒的内部和外部形成两个油路。 两个油路彼此独立,并且将液压控制阀连接到分别设置在液压活塞的轴向两侧的一对液压室。 螺旋花键形成在液压活塞的内表面和外表面中的至少一个上,并且与形成在凸轮轴套筒上的花键和链轮套筒接合。 因此,通过使液压活塞沿轴向移动,阀正时变化。