Dr. Ing. H.c. F. Porsche Aktiengesellschaft

Wolfgang Dittrich

Kurt Pfertner

Jurgen Bayer

Thomas Aussem

A motor vehicle () has a wind deflector () adjacent an upper cowl (), a roof arrangement () behind the wind deflector () and an air-guiding device () behind the roof arrangement (). The wind deflector () is extended into a first operative position (WS) and the rear air-guiding device () is transferred into first lifting position (HS) if the roof arrangement () is open and if the driving speed (VF) of the motor vehicle () is below a predetermined first value (V). The wind deflector () is transferred into a second operative position (WS) and the rear air-guiding device () is transferred into a second lifting position (HS) above the first lifting position (HS) if the roof arrangement () is open and if the driving speed (VF) is above a predetermined, second value (V).

Growing community of inventors

Bietigheim-Bissingen, Germany

Wolfgang Dittrich