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    • 1. 发明授权
    • Ladder-type sleepers and railway tracks
    • 梯子式轨枕和铁路轨道
    • US5582346A
    • 1996-12-10
    • US609484
    • 1996-03-01
    • Hajime WakuiNobuyuki MatsumotoHiromi Inoue
    • Hajime WakuiNobuyuki MatsumotoHiromi Inoue
    • E01B3/38E01B3/00
    • E01B3/38
    • The present invention comprises longitudinal beams provided on the underside of each of a pair of rails in the longitudinal direction of the rails and multiple connectors which mutually connect these longitudinal beams at designated spacings along the longitudinal direction. Because the ladder-type sleepers of the present invention have a structure wherein longitudinal beams are continuously positioned along the longitudinal direction of the rails, the bending stiffness of the track frame in the longitudinal direction increases, and the ballast pressure is reduced by improving the distribution of the train load. As a result, it is possible to reduce track irregularities resulting from the repeated burden of the train load.
    • 本发明包括设置在轨道纵向上的一对轨道的每一侧的纵向梁和沿着纵向以指定间隔将这些纵向梁相互连接的多个连接器。 由于本发明的梯型轨枕具有纵梁沿着轨道的长度方向连续定位的结构,因此轨道框架在纵向方向上的弯曲刚度增加,并且通过改善分布来减小压载压力 的火车负载。 结果,可以减少由于列车负载的重复造成的轨道不规则。
    • 8. 发明申请
    • Rolling bearing for a supercharger
    • 增压器滚动轴承
    • US20070154124A1
    • 2007-07-05
    • US10589701
    • 2005-02-15
    • Hiromi InoueHidetoshi SumiharaSatoru Murao
    • Hiromi InoueHidetoshi SumiharaSatoru Murao
    • F16C33/76
    • F02B39/00F01D25/16F01D25/183F02B39/10F04D29/059F05D2220/40F16C19/14F16C33/782F16C33/7843F16C33/80F16C2360/44F16C2380/26
    • In a rolling bearing for a supercharger in which grease is enclosed in an annular space, and a non-contact sealing member for forming a gap with an inner ring is disposed in a locking groove disposed in an axial end portion of an outer ring, a locking portion of the sealing member on the side of the outer ring is covered with rubber, and the length of an opposed face of an inner-ring side end portion which is opposed to the inner ring across the gap is 0.8 mm or more in a section view which is in parallel to the axis. Alternatively, an area of the inner ring on an outer circumferential face which is opposed to an inner-ring side end face of the sealing member is formed to have a tapered shape in which the diameter is more increased as advancing from an axial end portion side to a middle side. According to these configurations, leakage of grease in the use under high-speed rotation can be prevented from occurring, and the life period of the rolling bearing is improved.
    • 在用于增压器的滚动轴承中,其中润滑脂被封闭在环形空间中,并且用于与内圈形成间隙的非接触密封构件设置在设置在外圈的轴向端部的锁定槽中, 密封构件在外圈一侧上的锁定部分被橡胶覆盖,并且与内环横跨间隙相对的内环侧端部的相对面的长度为0.8mm以上 与轴平行的剖视图。 或者,与内密封件的内圈侧端面相对的外周面上的内圈的面积形成为从轴向端部侧向前方延伸的直径增大的锥形形状 到中间 根据这些结构,能够防止在高速旋转中使用时的润滑脂的泄漏,提高滚动轴承的使用寿命。