Zf Friedrichshafen Ag

Niclas Raeder

Bernard Hunold

Michael Preuß

Alexander Thorwart

A device for a vehicle drivetrain has an axle differential, a differential blocking device for blocking and releasing the equalization function of the axle differential, a parking lock for blocking and releasing the drive output of the vehicle drivetrain, and an actuation mechanism configured to be driven by a drive unit. By way of the actuation mechanism, the differential blocking device and the parking lock can be actuated by the drive unit. Actuating the parking lock and the differential blocking device are correlated with one another in such manner that at the end of a first phase of actuation, only the equalization function of the axle differential can be blocked and the parking lock is in its disengaged condition. At the end of a second phase of actuation, the equalization function of the axle differential can be blocked, and the parking lock can be engaged.

Device for a vehicle driveline with an axle differential

The invention relates to a drive unit for a drive axle of a vehicle, comprising a first and a second electric machine, a differential with a differential input and two differential output shafts which are designed to be drivingly connected to a respective drive wheel of the drive axle, and a transmission. The transmission comprises a first transmission input shaft for connecting to the first electric machine, a second transmission input shaft for connecting to the second electric machine, a transmission output shaft for connecting to the differential, a first shifting unit with three shifting elements, a second shifting unit with two shifting elements, and two planetary gearsets coupled to one another. The differential is arranged with its axis parallel to the two electric machines and to the transmission, and the transmission output shaft is connected by a first spur gear stage to a differential input.

Drive unit for a drive axle of a vehicle

Disclosed is a drive unit for a drive axle of a vehicle having a first and second electric machines, a differential and a transmission with first and a second transmission input shafts, a transmission output shaft, at least a first planetary gearset. A first shifting unit has three shift positions. In a first shift position, a second element is connected to a rotationally fixed component. In a second shift position two of the three elements of the first planetary gearset are connected rotationally fixed to one another. A second shifting unit has exactly three shift positions. In a first shift position a first transmission input shaft and a second transmission input shaft are connected rotationally fixed to one another. In a second shift position the second transmission input shaft is connected at least indirectly to the second element of the first planetary gearset.

Growing community of inventors

Bermatingen, Germany

Niclas Raeder