Gearbox unit
AssigneeZF Friedrichshafen AG
InventorsJürgen Wafzig, Martin Grumbach, Markus Hoher
Life of this patent
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Abstract
The transmission unit, especially designed for a motor vehicle, possesses a housing with an input drive shaft with at least one output drive shaft and with an arrangement for the variation of the gear ratio whereby, within the housing a starting element is provided, which is connected to a stepless transmission which, in turn, is in connection with power split apparatus that possesses a first output drive shaft for the rear axle drive and a second output drive shaft, which is connected with a differential for a front axle drive.
Claims28
A transmission unit for motor vehicles with a housing, an input drive shaft, first and second output drive shafts, and an arrangement for the variation of a gear ratio between the input drive shaft and the first and second output drive shafts, with the following arrangement within the housing:
- the input drive shaft (1) is connected with a starting element (2);
- the starting element (2) is joined to a stepless transmission (3);
- the stepless transmission (3) is connected with a transfer gear (4);
- the transfer gear (4) includes the first output shaft (5) which is connected with a rear axle drive and a second output shaft (6) which is connected to a differential (7) for a front axle drive;
- the differential (7) being installed in the motor vehicle to a side of a principal axis of the transmission and at least one of the two half-axles (9) penetrates the housing (8) ahead of the stepless transmission (3).
Dependencies are inferred from the claim text.