公开(公告)号：US07104919B2

公开(公告)日：2006-09-12

申请号：US10649726

申请日：2003-08-28

申请人： Hiroshi Kato ,  Hirotoshi Aramaki ,  Shinichi Natsumeda

发明人： Hiroshi Kato ,  Hirotoshi Aramaki ,  Shinichi Natsumeda

IPC分类号： F16H15/38

CPC分类号： F16H15/38

摘要： A toroidal-type continuously variable transmission, has: first and second disks; a plurality of trunnions; a plurality of displacement shafts respectively supported on associated trunnions; a plurality of power rollers respectively interposed between the first and second disks; and, a plurality of thrust bearings respectively interposed between the power rollers and trunnions, each of the thrust bearings including an outer ring, an inner raceway formed in the outer end face of the power roller, a plurality of rolling elements, and a circular-ring-shaped retainer, wherein, in case where the density of a retainer material constituting the retainer is ρd, the elastic modulus of the retainer material is Ed, the density of rolling element materials is ρc and the elastic modulus of the rolling element materials is Ec, { ( ρ d · E d ) / ( ρ c · E c ) } 1 2 ≤ 0.6 is satisfied.

摘要翻译： 环形无级变速器具有：第一和第二盘; 多个耳轴; 分别支撑在相关联的耳轴上的多个位移轴; 分别介于所述第一和第二盘之间的多个动力辊; 以及分别插入在动力辊和耳轴之间的多个推力轴承，每个推力轴承包括外圈，形成在动力辊的外端面中的内滚道，多个滚动元件， 环形保持器，其中，在构成保持器的保持器材料的密度为r 的情况下，保持器材料的弹性模量为E ，密度 的滚动体材料的弹性模量为C C，并且滚动体材料的弹性模量为E ，