Patent ID: 7726665

Claim:
A suspension system for an agricultural or construction industry vehicle, having a first and a second hydraulic cylinder, which support a frame of the vehicle in relation to an axle of the vehicle, the hydraulic cylinders each having a piston-side chamber and a piston rod-side chamber and each of the chambers of the hydraulic cylinders being hydraulically connectable to one another via a piston rod-side connecting line and a piston-side connecting line, the piston rod-side connecting lines each opening into the piston-side connecting lines and being provided with a switch valve, a first supply line connected via a switch valve to the piston-side connecting line of the first hydraulic cylinder, a second supply line connected via a switch valve to the piston-side connecting line of the second hydraulic cylinder, a first and a second hydraulic accumulator connected to the first and second supply line respectively, a hydraulic pump, a hydraulic tank, a control valve device, the control valve device being connected via the respective supply lines to the respective connecting lines, and an electronic control unit, wherein the hydraulic accumulators are connected via adjustable orifices and means for a detection and compensation of load states of the vehicle are provided in the suspension system.