Dual-clutch transmission

Abstract

The invention proposes a dual-clutch transmission with two clutches (K, K), the input sides of which are connected with an input shaft (w_an) and the output sides of which are respectively connected with one of two coaxially disposed transmission input shafts (w_K, w_K). Further provided are at least two countershafts (w_v, w_v) on which idlers (i, i, i, i, iR) are rotatably mounted. The dual-clutch transmission comprises fixed gears (F, F, F), which are disposed on the two transmission input shafts (w_K, w_K) in a rotationally fixed manner and in engagement with the idlers, and output gears (iab, iab) respectively provided on the two countershafts (w_v, w_v), each of which is coupled to a gearing of an output shaft (w_ab), wherein the output shaft (w_ab) is not coaxially disposed to the input shaft (w_an). A plurality of shift elements (S, S, S) is provided as well, so that at least six power-shiftable forward gears () and at least one reverse gear (R, R) are shiftable. Only three double-acting shift elements (S, S, S) are provided according to the invention, wherein two idlers (i, i, i, i, iR) of the countershafts (w_v, w_v) are allocated to each double-acting shift element (S, S, S), wherein, in a first operating direction (S), one of the shift elements (S) connects an idler (i) with the associated countershaft (w_v) and, in a second operating direction (S), connects the two associated idlers (i, i) with one another, and wherein two shift elements (S, S) respectively connect the associated idlers (i, i; i, iR) with the associated countershafts (w_v, w_v) in a rotationally fixed manner.