Grammer Ag

Hamburg Innovation Gmbh

Helmut-schmidt-universitat-universitat Der Bundeswehr Hamburg

Helmut-schmidt-universität

Stephan Ulrich

Konstantin Krivenkov

Rainer Bruns

Erwin Haller

Jens Kolb

The subject matter of the invention is a trackless tugger train having at least one transportation module and at least two axle modules. Each transportation module is arranged between two axle modules, wherein each axle module has a wheel axle and a steering device for steering the wheel axle, wherein the steering devices of the axle module are embodied in each case in such a way that each steering device steers the axle module which is assigned to it, independently of a steering device of another axle module.

Trackless tugger train and method for steering a trackless tugger train

Suspension system for vehicle seats, in particular for utility motor vehicle seats, comprising at least a first and a second part, the two parts being mounted oscillatorily movable and spring-loaded with respect to one another, wherein a closed hydropneumatic circuit is provided which comprises at least one control element, connected to at least one of the two parts, and at least one first hydropneumatic spring connected in series therewith, a hydraulic pressure of a hydraulic medium in the circuit being convertible into a force acting between the two parts by means of an action surface arranged in the control element, the pressure being dependent on a gas pressure in a gas volume of the first spring.

Suspension system for vehicles and method for fitting vehicle parts with suspension

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Hamburg, Germany

Stephan Ulrich