Patent ID: 6840880

Claim:
A power-split transmission for motor vehicles with off-road travel, comprising of a case, of an input shaft, of a first output shaft coaxial with the latter, of a second output shaft offset with respect to said first output shaft, of a reduction unit, of a clutch unit and of an offset drive, wherein the reduction unit ( 5 ) comprises of: a) a central driving gearwheel ( 11 ) which is connected fixedly in terms of rotation to a first hollow shaft ( 12 ), b) a likewise central ring gear ( 13 ) which is connected fixedly in terms of rotation to a second hollow shaft ( 14 ), c) first and second intermediate gearwheels ( 15 , 16 ) with an axle fixed to the case, in each case the first intermediate gearwheel ( 15 ) meshing with the central driving gearwheel ( 11 ), the second intermediate gearwheel ( 16 ) with the central ring gear ( 13 ) and the first and second intermediate gearwheels ( 15 , 16 ) with one another, d) a power take-off shaft ( 17 ), and wherein the clutch unit ( 6 ; 50 ) comprises of: e) primary parts ( 21 , 24 ; 51 , 54 ) on the input shaft ( 2 ), and on the second hollow shaft ( 14 ) and secondary parts ( 22 , 23 ; 52 , 53 ) on the power take-off shaft ( 17 ) and on the first hollow shaft ( 12 ), f) a first shift sleeve ( 25 ; 55 ) for the rotationally fixed connection of the input shaft ( 2 ) to the first hollow shaft ( 12 ) in off-road travel, and g) a second shift sleeve ( 26 ; 56 ) for the rotationally fixed connection of the input shaft ( 2 ) to the power take-off shaft ( 17 ) in road travel and for connecting the second hollow shaft ( 14 ) to the power take-off shaft ( 17 ) in off-road travel.