| 摘要 |
An eight-gear transmission comprises an input and output shaft, four planetary gearsets, eight shafts and five shifting elements. A ring gear of the gearset (RS 4 ) and the input shaft are coupled as the first shaft. A ring gear of the gearset (RS 2 ), a carrier of the gearset (RS 3 ), and the output shaft are coupled as the second shaft. A sun gear of the gearset (RS 1 ) and a sun gear of the gearset (RS 4 ) are coupled as the third shaft. A ring gear of the gearset (RS 1 ) forms the fourth shaft. A sun gear of the gearset (RS 3 ) forms the fifth shaft. A carrier of the gearset (RS 1 ) and a ring gear of the gearset (RS 3 ) are coupled as the sixth shaft. A sun gear of the gearset (RS 2 ) and a carrier of the gearset (RS 4 ) are coupled as the seventh shaft. A carrier of the gearset (RS 2 ) forms the eighth shaft.
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