带式行星齿轮无级变速器实质上是一种可无级变速的封闭式差动轮系。

In essence the belt planetary gear continuously variable transmission is a planetary differential train the speed of which is adjustable.

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在研究了新型结构行星锥盘式机械无级变速器的结构和传动基础上，对影响传动效率的功率损失进行分析。

Based on the analysis of the structure and working principle of the planetary bevel-type CVT, the main factors affecting the power loss and transmission efficiency are discussed.

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本文首次提出了行星锥式无级变速器的行星锥干涉与曲线干涉问题，从而得出了设计准则。

In this paper, the problems of planet-cone interference and curve interference are researched for the first time. And then, design criteria are given here.

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