Power shift automatic gearbox for motor vehicles

Details Power shift automatic gearbox for motor vehicles Power shift automatic gearbox for motor vehicles

2006-03-21

2006-03-21

Lewis, Tisha (Department: 3681)

Planetary gear transmission systems or components

Input from independent power sources

Including electric motor input

C192S003550, C192S084600, C475S008000

Reexamination Certificate

active

07014587

ABSTRACT:
An automatic powershift gearbox with at least one gearbox assembly for selecting the respective gear ratios and with at least one multiple-disk clutch capable of being actuated in a controlled manner for holding or releasing individual elements of the planet gear, which allows gear shift operations without interrupting the torque flow. The multiple-disk clutch comprises a first and a second disk set which are in mutual engagement and can be brought into friction engagement by axial compression against one another. The first disk set is connected with a first shaft, and the second disk set is connected with a second shaft. The multiple-disk clutch is coupled by a transmission with an electric machine comprising a rotor and a stator, for bringing the two disk sets into and out of friction engagement by means of the electric machine. The rotor of the electric machine is supported rotatably and axially movable on one of the shafts by means of a gearbox for converting a rotary motion into a thrust motion.

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