The system consists of air bladders, SMA Valve and an electric pump. Air cushions are attached to the seat rear suspension. The curvature of the backrest can be varied by filling and bleeding the air cushions. By varying the filling of the air cushion, the curvature moves up or down.
Ventilation of the fuel tank in the operating condition. In addition, a rollover protection function is integrated for preventing fuel leakage in case of an accident.
Pneumatic air cushions which are inserted under the seat cushions, can selectively modify the contour of the seat cushions by cyclic ventilation. The air cushions can be freely distributed over the surface in any shape and number. This allows the construction of complex massage systems.