Volkswagen Ag

Gerhard Witte

Fritz Blumenstein

Gunter Uhlig

In the embodiment disclosed in the specification, a speed change arrangement for vehicles has a mechanical toothed gear with several gear pairs that can be shifted as desired, and having a simple planet gear engaged with at least one gear pair to offer at least one additional transmission stage, having an input element, an output element, and an additional element, connectable in a first shift position by means of an hydraulically operated multi-disc brake with the surrounding housing, and in a second shift position by means of an hydraulically operated multi-disc clutch with one of the other elements. To provide this arrangement is the smallest space and at minimum expense, a disc support is connected via a first toothing with a portion of the discs of the disc brake, and via a second toothing with a portion of the discs of the disc clutch, and which is connected with an operating piston, pressurizable on either side, for the selective engagement of the disc brake and the disc clutch.

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Wolfsburg, Germany

Gerhard Witte