Patent ID: 8365626

Claim:
A double clutch transmission comprising: first and second clutches (K 1 , K 2 ) each comprising and input side connected to a drive shaft (w_an) and an output side respectively connected to one of a first and a second transmission input shaft (w_k 1 , w_k 2 ) coaxially arranged relative to one another; at least first and second countershafts (w_v 1 , w_v 2 ) upon which toothed idler gearwheels ( 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 ) are supported; toothed fixed gearwheels ( 1 , 2 , 3 , 4 , 5 , 6 ) being supported on each of the first and the second transmission input shafts (w_k 1 , w_k 2 ) in a rotationally fixed manner, and each of the fixed gearwheels ( 1 , 2 , 3 , 4 , 5 , 6 ) meshing with at least one of the idler gearwheels ( 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 ); a plurality of coupling devices (A, B, C, D, E, F, G, H, I, J, K), each coupling an idler gearwheel ( 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 ) to one of the first and the second countershafts (w_v 1 , w_v 2 ) in a rotationally fixed manner; an output gear ( 20 , 21 ) being supported on each of the first and the second countershafts (w_v 1 , w_v 2 ), each of the output gears ( 20 , 21 ) being coupled to a gearing of an output shaft (w_ab); at least one shift element (N) for coupling two of the idler gearwheels ( 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 ) in a rotationally fixed manner whereby a plurality of power shifting forward gears ( 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 ) and at least one reverse gear (R 1 , R 3 ) can be shifted; six gear planes ( 1 - 13 , 7 - 13 , 2 - 14 , 8 - 14 , 9 - 15 , 4 - 16 , 10 - 16 , 11 - 17 , 12 - 6 ) comprising at least three dual gear planes ( 7 - 13 , 8 - 14 , 9 - 15 , 10 - 16 , 11 - 17 ) and at least two single gear planes ( 1 - 13 , 2 - 14 , 4 - 16 , 12 - 6 ); each of the at least three dual gear planes ( 7 - 13 , 8 - 14 , 9 - 15 , 10 - 16 , 11 - 17 ) comprising an idler gearwheel ( 7 , 8 , 9 , 10 , 11 , 13 , 14 , 15 , 16 , 17 ) of each of the first and the second countershafts (w_v 1 , w_v 2 ) and a fixed gearwheel ( 1 , 2 , 3 , 4 , 5 ) of one of the first and the second transmission input shafts (w_k 1 , w_k 2 ), at least one of the idler gearwheels ( 7 , 8 , 9 , 10 , 11 , 13 , 14 , 15 , 16 , 17 ) in each of the dual gear planes ( 7 - 13 , 8 - 14 , 9 - 15 , 10 - 16 , 11 - 17 ) being utilized for at least two gears; and each of the at least two single gear planes ( 1 - 13 , 2 - 14 , 4 - 16 , 12 - 6 ) comprising one idler gearwheel ( 12 , 13 , 14 , 16 ) of the first and the second countershafts (w_v 1 , w_v 2 ) and a fixed gearwheel ( 1 , 2 , 4 , 6 ) of one of the first and the second transmission input shafts (w_K 1 , w_K 2 ) such that at least one power shifting winding path gear is shifted via the at least one shift element (N).