| 摘要 |
A continuously varying mechanical transmission generally having two sets of planetary gears is disclosed. The transmission of the present invention has a first planetary group generally comprising a control sun, a driven sun and planet gears and a secondary planetary group generally comprising a sun gear, planetary gears and a ring gear arranged and interconnected to provide an easily controllable reduction of ratio between in-lined driving and driven shafts. Each of the planet gears of the first planetary group, being paired and meshed with each other, interact with the control sun and driven sun to permit the reaction forces in all the components to react or rotate simultaneously.
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