planetary gear sets

Dynamic Test of Contact Tooth Pair Numbers of the N Type Involute Planetary Transmission with Minor Tooth Difference;

N型渐开线少齿差行星传动接触齿对数的动态实测

Correlation between spin angular momentums and background angular momentums of planets;

行星自旋角动量和背景角动量之间的相关性

Proving Keippler s 3 Laws of Planetary Motion;

开普勒行星运动三定律证明

By means of the Runge -Lenz s vector the problems of the planets motion around the sun are solved in classical and relativistic cases.

本文讨论了Runge－Lenz矢量的性质，并利用它求解经典情况下和狭义相对论情况下的行星绕日问题。

The whole field of planetary gear transmission is dealt -with.

(?)里基本上涉及了渐开线行星齿轮传动的整个领域。

The efficiency of planetary gear trains is discussed.

这里对NGW型行星齿轮机构的啮合效率进行了研究。

Comparing many types of transmission,this paper chooses the multiple-level planetary gear transmission to meet the transmission ratio conditions.

首先分析了增速机构设计在履带车辆电磁悬挂设计中的作用,通过选择增速机构的传动方案,得到了满足传动比条件的多级行星传动。

The relation between the radial deformation of the central internal gear in planetary gear transmission and the number of planet gears is derived in this paper.

导出了行星传动中的内啮合中心轮齿圈径向变形与行星轮数目之间的关系，并指出：从提高内啮合中心轮齿圈的柔度出发，行星轮数目应选择荐用范围的下限。

In this paper, the main constraints for the designing of NN type of involute planetary gear transmission are discussed, a concise and practical method for determining the addendum modification coefficients is proposed and some appropriate parameters are provided.

对NN型行星传动的主要限制条件进行了讨论，提供了一种简明实用的变位系数确定方法，推荐了参数选用