Patent ID: 9428029
Filing Date: 2016-08-30
CPC Classification: B60G,F16F

Claim Text:
1. An air spring module comprising an air spring and a shock damper for spring cushioning and damping vibrations of a motor vehicle running gear, having a plurality of working chambers comprising a first working chamber, a second working chamber, and a third working chamber, each of the plurality of working chambers being filled with compressed air, an air spring cover, an airtight rolling bellows, which is fixed to the air spring cover and at least partly delimits the first working chamber filled with the compressed air, a rolling piston, which is fixed to a cylinder tube of the shock damper and on which the rolling bellows rolls, and a piston rod extending from the cylinder tube toward the air spring cover, wherein the second working chamber and the third working chamber are arranged one above the other in the rolling piston so as to surround the cylinder tube such that a radially inner wall of the second and third working chambers is positioned radially outward of a radially outer wall of the cylinder tube, the second and third working chambers provided in such a way as to be separated from one another by an intermediate plate provided in the rolling piston, the second and third working chambers configured to be connected to the first working chamber through valves arranged in the rolling piston.