Patent ID: 9573632
Date: 2017-02-21
CPC Classifications: B60G,B62D,F16K

Claim:
1. Pneumatic suspension system for a vehicle, comprising: a mounting arrangement for mounting a portion of the vehicle on a chassis; the mounting arrangement including at least one pneumatic spring to be arranged and coupled between the portion of the vehicle and the vehicle chassis; a pressure supply and a pressure uptake; a valve device communicatively coupled to a respective one of said at least one pneumatic spring via a respective spring terminal, the valve device further communicatively coupled to the pressure supply via a pressure terminal and to the pressure uptake via a pressure uptake terminal; a vehicle state control system that provides a pressure set value in the pneumatic spring; a pressure controller arranged to the valve device alternatively for pressurizing or depressurizing the respective one of said at least one pneumatic spring; wherein the valve device comprises at least a first valve having a valve outlet coupled to the spring terminal and a valve inlet communicatively coupled to the pressure terminal, and further comprising