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Next generation mobility with a view to the future of our planet As the global market leader for braking systems and many other vehicle subsystems, Knorr-Bremse Rail Vehicle Systems ranks among the global forces that are driving the shift to sustainable transportation and next-generation mobility. Megacities are expanding, passenger numbers rising and both platforms and trains becoming more crowded. The growing demand for mo

Compressed air is used to press brake shoes against the brake disc and also in pneumatic suspension, sanding and windscreen wiper applications. The air is supplied by a complex system that distributes it intelligently throughout the rail vehicle via an extensive branched pipe network. In the past, compressors were treated as a standalone element of the train topology, responsible for providing a source of pressure. Today, however, their performance is optimized through an integrated systems approach.

Ultimately, the optimal application of brake force goes back to the braking command. In other words, everything begins with the controls in the driver’s cab – the motion controller kit levers are what the driver uses to accelerate and brake the vehicle. On the other side of the windscreen , the windscreen wiper and wash systems ensure that the driver has a clear view at all times.

Optimal braking is achieved when an individual braking force is applied to every axle or bogie. This operation is coordinated by the brake control system – the “brain” of the braking process. Whether the train has a friction brake, electromagnetic track brake 'MagnetAct', eddy-current brake 'EddyAct', reverse drive generator brake, or combination of the above, the brake control system employs “blending” to ensure optimal coordination of the different braking methods.

Sanding systems 'SandGrip', wheel slide protection 'WheelGrip' and cleaning blocks 'TreadGrip' all make a valuable contribution to improving adhesion when it is impaired by factors such as leaves or aerosol deposits on the line, or mist and drizzle. Sanding systems in particular play a critical role, primarily when the vehicle is setting off, accelerating or braking. Over the years, sanding systems have evolved from simple devices into genuinely high-tech systems that are indispensable for safe and efficient rail transportation.