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    • 4. 发明授权
    • Tripod constant velocity universal joint
    • 三脚架等速万向节
    • US07040990B2
    • 2006-05-09
    • US10934411
    • 2004-09-07
    • Yukihiro WatanabeHideki KondoKenji TeradaHisaaki Kura
    • Yukihiro WatanabeHideki KondoKenji TeradaHisaaki Kura
    • F16D3/205
    • F16D3/2055F16D2003/2026
    • A tripod constant velocity universal joint including an outer joint member having axially extending track grooves formed at three circumferentially equispaced positions in the inner periphery. A tripod member has a trunnion barrel adapted to be fitted to a shaft for torque transmission and trunnion journals radially projecting from three circumferentially equispaced positions in the trunnion barrel, and rollers rotatable around the associated trunnion journal for rotation through a plurality of needle rollers and received in the track grooves. Each roller is guided at its outer peripheral surface by roller guide surfaces formed in opposite lateral walls of the track groove. The torsional strength of the tripod member and the smallest outer diameter portion of the shaft are set to be substantially equal. Also, the surface pressure on the trunnion journals in rolling contact with the needle rollers is allowed up to a predetermined value.
    • 三球销等速万向接头,其包括外接头构件,所述外接头构件具有在内周边的三个周向等间隔位置处形成有轴向延伸的轨道槽。 三脚架构件具有适于安装到用于扭矩传递的轴的耳轴筒,以及从耳轴筒中的三个周向等间隔位置径向突出的耳轴颈,以及可围绕相关联的耳轴轴颈旋转的滚子,用于通过多个滚针旋转并接收 在轨道槽。 每个辊子在其外周表面处由形成在轨道槽的相对侧壁中的辊导向表面引导。 三脚架构件和轴的最小外径部分的扭转强度被设定为基本相等。 此外,允许与滚针滚动接触的耳轴轴颈上的表面压力达到预定值。
    • 5. 发明授权
    • Constant velocity universal joint
    • 恒速万向节
    • US06475092B1
    • 2002-11-05
    • US09673241
    • 2000-12-04
    • Hisaaki KuraTatsuro SugiyamaMasayuki KurodaKenji Terada
    • Hisaaki KuraTatsuro SugiyamaMasayuki KurodaKenji Terada
    • F16D3202
    • F16D3/2055F16D2003/2026
    • A constant velocity universal joint with a further reduction in inductive thrust and slide resistance. The constant velocity universal joint comprises: an outer joint member 10 having three track grooves 12 each having circumferentially-opposed roller guideways 14; a tripod member 20 having three radially-projecting trunnions 22; a roller 34 inserted in each of the track grooves 12; and a ring 32 fitted on each of the trunnions 22 to support the roller 34 rotatably, the roller 34 being movable in axial directions of the outer joint member 1 along the roller guideways 14. Here, the inner periphery of the ring 32 is shaped arcuate and convex in section. The outer periphery of each of the trunnions 22 is shaped straight in longitudinal section, as well as formed in cross section so as to make a contact with the inner periphery of the ring 32 along a direction perpendicular to the axis of the joint and create a clearance with the inner periphery of the ring 32 in an axial direction of the joint.
    • 等速万向接头,进一步减小感应推力和滑动阻力。 等速万向接头包括:外接头构件10,其具有三个轨道槽12,每个轨道槽12具有周向相对的辊导轨14; 具有三个径向突出的耳轴22的三脚架构件20; 插入每个轨道槽12中的辊34; 以及安装在每个耳轴22上的环32,以可旋转的方式支撑辊34,辊34可沿着滚子导轨14在外接头构件1的轴向方向上移动。这里,环32的内周形状为弧形 并且在凸起部分。 每个耳轴22的外周边在纵截面中成直线形状,并且形成为横截面,以便沿垂直于接头轴线的方向与环32的内周接触,并形成一个 与环32的内周沿接头的轴向间隙。
    • 10. 发明授权
    • Tripod constant velocity universal joint
    • 三脚架等速万向节
    • US07641559B2
    • 2010-01-05
    • US11331174
    • 2006-01-13
    • Yukihiro WatanabeHideki KondoKenji TeradaHisaaki Kura
    • Yukihiro WatanabeHideki KondoKenji TeradaHisaaki Kura
    • F16D3/205
    • F16D3/2055F16D2003/2026
    • A tripod constant velocity universal joint including an outer joint member having axially extending track grooves formed at three circumferentially equispaced positions in the inner periphery. A tripod member having a trunnion barrel adapted to be fitted to a shaft for torque transmission and trunnion journals radially projecting from three circumferentially equispaced positions in the trunnion barrel. Rollers respectively attached to the trunnion journals for rotation through a plurality of needle rollers and received in the track grooves. Each roller is guided at its outer peripheral surface by roller guide surfaces formed in opposite lateral walls of the track groove. A skew angle of the needle rollers is controlled so that it is within a predetermined specified value.
    • 三球销等速万向接头,其包括外接头构件,所述外接头构件具有在内周边的三个周向等间隔位置处形成有轴向延伸的轨道槽。 三脚架构件,其具有适于安装到用于扭矩传递的轴的耳轴筒,以及耳轴筒中的三个周向等间距放射地突出的耳轴颈。 辊子分别安装在耳轴轴颈上,用于旋转穿过多个滚针并被接纳在轨道槽中。 每个辊子在其外周表面处由形成在轨道槽的相对侧壁中的辊导向表面引导。 控制滚针的倾斜角度使其处于预定的规定值内。