| 摘要 |
An input shaft is connected to a carrier of first set (P 1 ) and a sun gear of second set (P 2 ) and is connectable to a fifth shaft, which couples a carrier of third set (P 3 ) and is connectable to the housing. The sun gear of the first set (P 1 ) is coupled the housing. The fourth shaft couples the ring gear of third set (P 3 ) and the sun gear of fourth set (P 4 ) and is connectable to the housing. The third shaft couples the ring gear of second set (P 2 ) and the carrier of fourth set (P 4 ). The sixth shaft couples the ring gear of first set (P 1 ) and the sun gear of the third set (P 3 ). The seventh shaft couples the carrier of the second set (P 2 ). The output shaft couples the ring gear of forth set (P 4 ). A clutch releasably connects the output shaft to the seventh shaft.
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