Motor vehicle drive train and method of operating a drive train
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United States of America Patent
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Jun 6, 2017
Grant Date -
Jul 10, 2014
app pub date -
Feb 11, 2014
filing date -
Sep 12, 2011
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Abstract
A drive train for a motor vehicle, having a drive unit which comprises a prime mover, a multi-step transmission and a power-splitting device which distributes the driving power between a first and a second drive shaft of a driven axle. The transmission comprises a transmission input and a first sub-transmission and a second sub-transmission. The prime mover is directly connected to the transmission input, wherein each of the two drive shafts is assigned a first and a second friction clutch. The first friction clutches connect the respective drive shaft to the first sub-transmission. The second friction clutches connect the respective drive shaft to the second sub-transmission. The first friction clutches and the second friction clutches form the power-splitting device.
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