LEVELING VALVE ASSEMBLY FOR AN AIR SUSPENSION SYSTEM AND THE VEHICLE

A levelling valve assembly (200) for an air suspension system of a heavy vehicle is provided, including an air valve (240) configured to allow air to either enter or escape from an air spring based on a position of a control arm (248) of the air valve, and including a linkage rod assembly (260) configured to translate movement between a sprung and unsprung mass of the vehicle into a rotation of the control arm to regulate a ride height of the vehicle, wherein the linkage rod assembly further includes a spring and damper arrangement (264) configured to dampen or block movement of the control arm not caused by a change in a mass loading of the vehicle. A corresponding air suspension system and heavy vehicle are also provided.