Patent ID: 7753385

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 the hydraulic cylinders being hydraulically connected to one another in a cross connection via a first connecting line and a second connecting line, so that the piston-side chamber of the first hydraulic cylinder is connected to the piston rod-side chamber of the second hydraulic cylinder and vice versa, having a first hydraulic accumulator arranged in the first connecting line and having a second hydraulic accumulator arranged in the second connecting line, having a hydraulic source, having a hydraulic tank, having a control valve device, having an electronic control unit, having electrically switchable switch valves which are arranged in the first and second connecting lines between the hydraulic accumulators and the chambers of the hydraulic cylinders, and a first and second supply line, which supply lines connect the control valve device to the connecting lines, with the one supply line opening out into the one connecting line between the switch valves of the one connecting line, and the other supply line opening out into the other connecting line between the switch valves of the other connecting line, wherein a means for detection and compensation of load states of the vehicle are provided in the suspension system.