Importance

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Abstract

A dual-clutch transmission including first and second sub-transmissions, each having a respective input shaft. The input shafts can be coupled to a drive input shaft via a respective clutch. A transmission output shaft is common to both sub-transmissions. The input shafts are coaxial such that one shaft passing through the other which is hollow. An output shaft extends behind and is coaxial with the input shafts. To provide at least seven fully powershiftable forward gears, the two sub-transmissions together have a total of six wheel planes arranged axially, one behind another, and gearwheels which are associated with the first and second input shafts as well as the output shaft and a countershaft that extends parallel to those shafts. Depending on the shift position of seven interlocking shifting elements of the two sub-transmissions, the gearwheels of the six wheel planes transmit torque from the drive input shaft to the output shaft.

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First Claim