| 摘要 |
A six-gear or seven-gear dual-clutch transmission ( 1, 30 ) comprising two clutches (K 1, 2 ) the input sides of which are connected with one drive shaft ( 2 ) of a prime mover and the output sides with each one of two input shafts ( 3, 4 ) disposed coaxially to each other, two countershafts ( 4, 5 ) upon which gear wheels designed as idler wheels are rotatably supported, gear wheels designed upon input shaft ( 3, 33, 37 ) and in tooth contact with idler wheels ( 8, 9, 10, 15, 16, 17, 34, 35, 36 ), coupling devices ( 22, 23, 24, 25, 31, 32 ) non-rotatably and axially movably supported on both countershafts ( 5, 6 ), and movable via setting devices and one output gear wheel ( 18, 19 ) on a respective countershaft ( 5, 6 ) which are in tooth contact with a toothing ( 20 ) on one differential transmission ( 21 ). To shorten the length and reduce the multiplicity of parts, the six-gear and seven-gear transmission ( 1, 30 ) are designed so that upon one input shaft ( 3 ) two fixed wheels ( 13, 14 ) and upon the other input shaft ( 4 ) at least one other fixed wheel ( 12 ) are situated for respectively driving two idler wheels ( 8, 15 and 36, 36; 9, 16; 10, 17 ).
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