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1. 发明申请

WO2005015059A1 A CONTINUOUSLY VARIABLE RATIO TRANSMISSION UNIT 审中-公开
标题翻译：连续可变比率传输单元
公开(公告)号：WO2005015059A1
公开(公告)日：2005-02-17
申请号：PCT/GB2004/002139
申请日：2004-05-18
申请人： TOROTRAK (DEVELOPMENT) LIMITED , DEFREITAS, Andrew, Damian , WOODS, Adrian
发明人： DEFREITAS, Andrew, Damian , WOODS, Adrian
IPC分类号： F16H61/00
CPC分类号： F16H61/6649 , F16H59/72
摘要： There is disclosed a continuously variable ratio transmission unit of rolling traction type, comprising a pair of races (10,12) between which torque is transmitted by at least one roller (26), the roller being movable to provide variation in the transmission ratio and being subject to an adjustable roller reaction force by a roller actuator (28), a traction loading actuator (35) arranged to urge the rollers and discs into engagement with each other with a force which is varied in sympathy with the roller reaction force during normal variator operation, and a pre-loading arrangement (80) which is arranged to urge the rollers and discs into engagement with each other at least during a cold start wherein the pre-loading arrangement is adapted to apply a pre-loading force is reduced with increasing operating temperature.
摘要翻译：公开了一种滚动牵引式的无级变速传动单元，包括一对座圈（10,12），扭矩通过至少一个辊（26）传递到所述一对座圈之间，所述辊可移动以提供传动比的变化，通过辊致动器（28）受到可调节的辊反作用力;牵引装载致动器（35），其被布置成通过在正常情况下与辊反作用力同步变化的力来推动辊和盘彼此接合变速器操作和预加载装置（80），其布置成至少在冷启动期间推动辊和盘彼此接合，其中预加载装置适于施加预加载力减小，提高工作温度。

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