Patent ID: 7409886

Claim:
A twin clutch transmission ( 10 ) comprising: a transmission input shaft ( 11 ) and a transmission output shaft ( 12 ) that are arranged coaxially with respect to one another; two countershafts ( 16 , 33 ), further comprising a first countershaft ( 33 ) and a second countershaft ( 16 ), said two countershafts being arranged offset in parallel with respect to one another, and to the transmission input shaft ( 11 ) and to the transmission output shaft ( 12 ); a direct gear; a plurality of forward gears, wherein even-numbered forward gears of said plurality of forward gears are assigned to the first countershaft ( 33 ); odd-numbered forward gears of said plurality of forward gears are assigned to the second countershaft ( 16 ); and the transmission input shaft is coupled to the second countershaft via two gearwheels in a first gearwheel stage, the second countershaft is coupled to the transmission output shaft via two gearwheels in a second gearwheel stage, and each of said plurality of forward gears taking place via at least two gearwheel stages; a plurality of shift sleeves, comprising a first shift sleeve ( 24 ), a second shift sleeve ( 38 ), a third shift sleeve ( 32 ), and a fourth shift sleeve ( 28 ), wherein said first shift sleeve is assigned to two forward gears, is arranged coaxially on the transmission output shaft ( 12 ), and is offset axially with respect to said second shift sleeve ( 38 ) assigned to the direct gear and to a further forward gear; said third shift sleeve and fourth shift sleeve( 32 , 28 ) are arranged in a shift sleeve plane and are offset axially with respect to said first shift sleeve and said second shift sleeve; and each of said third shift sleeve and said fourth shift sleeve is assigned to one of said two countershafts.