Patent ID: 8342049

Claim:
A double clutch transmission comprising first and second clutches (K 1 , K 2 ) each comprising an input side connected to an input shaft (w_an) and an output side respectively connected to one of first and second transmission input shafts (w_K 1 , w_K 2 ) that are arranged coaxially with one another; at least first and second countershafts (w_vorgelege 1 , w_vorgelege 2 ) rotatably supporting idler gear wheels ( 01 , 02 , 03 , 04 , 05 , 06 , 07 , 08 ); fixed gear wheels ( 12 , 13 , 14 , 15 ) being supported, on each of the first and second transmission input shafts (w_K 1 , w_K 2 ), in a rotationally fixed manner and each of the fixed gear wheels ( 12 , 13 , 14 , 15 ) engaging at least one of the idler gear wheels ( 01 , 02 , 03 , 04 , 05 , 06 , 07 ); a plurality of coupling devices (A-B, C-D, E, E-F, F-G, G) being supported on the first and the second countershafts (w_vorgelege 1 , vorgelege 2 ), each of the plurality of coupling devices (A-B, C-D, E, E-F, F-G, G) connecting an idler gear wheel ( 01 , 02 , 03 , 04 , 05 , 06 ) with one of the first and the second countershafts (w_vorgelege 1 , w_vorgelege 2 ) in a rotationally fixed manner; first and second output gearwheels ( 09 , 10 ) each engaging gearing of an output shaft (w_ab); at least one shifting device (H) for coupling the first and the second transmission input shafts (w_K 1 , w_K 2 ); and four gear wheel planes ( 01 - 05 ; 02 - 13 , 02 - 06 ; 03 - 07 ; 04 - 15 , 04 - 08 ) being arranged such that at least seven power shiftable forward gears ( 1 , 2 , 3 , 4 , 5 , 6 , 7 ) and at least one reverse gear (RA 1 , R 1 ) are engagable and at least one power shiftable winding-path gear is engaged via the at least one shifting device (H).