The device has a pneumatic spring (1) joined at one end to an inner wheel bearer (3) of the wheel suspension of a motor vehicle and at the other end to the motor vehicle body (5). The device has outer and inner hollow cylinders (8,9), a piston element (2) ...

The pneumatic spring damper unit (1) has a spring chamber formed through a U-bellows (3), and damping chambers (10,11) accommodated inside a cylindrical housing (2) in which is installed a piston (4) with valves or restrictors. An additional auxiliary cham...

A support ring (8) is located between the rolling piston (4) and the tubular casing (6) for the damper part (1), so that the piston is supported against and centred by the casing. The damping device comprises a damper part and an air spring. The damper par...