Zf Friedrichshafen Ag

Steffen Kraft

Klaus Kraft

Miran Percic

Rüdiger Nierescher

A drive unit () for a manually driven vehicle, in particular a bicycle or an EPAC, includes a housing (), an electric motor () with a stator () and a rotor (), a stator support (), and an electronic unit (). The stator support (), the stator (), the rotor (), and the electronic unit () are designed in the form of one unit (), which can be preassembled so that the preassembled unit () is installable into the housing ().

Drive unit

A drive unit () for a manually driven vehicle, in particular a bicycle or an EPAC, includes a housing (), an electric motor () with a rotor (), a bottom bracket shaft (), a harmonic drive () coupled to the rotor (), and an output shaft (). The harmonic drive () includes an outer bushing with an inner toothing. The outer bushing () of the harmonic drive () is coupled to the housing () via a buffer ().

Growing community of inventors

Blaustein, Germany

Steffen Kraft