| 摘要 |
A transmission for automotive use, comprising a planetary gear system that receives power in the planetary holder and initially transmits said power in a direct manner with low passage ratio by means of the sun gear and subsequently transmits said power in a regulated manner to preserve optimal engine power by means of a planetary gear system mounted inside a cylindrical impeller coupled to the annular gear which circumferentially incorporates a spiral rack, and that transmits the traction to the satellite gears, at certain diameter of the impeller corresponding to the demanded power, and then to a central variable speed gear depending on the required torque that is measured by a sensor mechanism mounted in the sun gear, which can be regulated to maintain an output torque for overdrive or economy. The sun gear is coupled to a shaft, which initially serves as a transmission, having a spiral slot that places the receiving system in a longitudinal position corresponding to the required power in order contact a given diameter of the cone while synchronizing the change of ratio by substracting the difference in speeds between the shaft coupled to the central gear, and that of the sun gear.
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