Hasse & Wrede Gmbh

Mandy Streifler

Michael Steidl

Stephan Bohmeyer

Norbert Reinsperger

Robert Kempgen

A torsional vibration damper or torsional vibration absorber has a rotating system with: a primary mass, which is arranged on a rotatable shaft, for example on a crankshaft of an engine, in particular of an internal combustion engine, and preferably can be fastened for conjoint rotation; a secondary mass, which is movable relative to the primary mass; and an assembly for vibration damping and/or vibration absorption of the relative movement between the primary mass and the secondary mass. The assembly for vibration damping and/or vibration absorption of the relative movement between the primary mass and the secondary mass has at least one accumulator inside the rotating system of the torsional vibration damper or torsional vibration absorber.

Torsional vibration damper

A spring system of a vehicle, in particular a utility vehicle, includes a first spring/damper unit with a first stiffness and a first damping; a second spring/damper unit with a second stiffness and a second damping; and an additional mass as a tuned-mass absorber. The tuned-mass absorber is coupled to at least one negative stiffness. A vehicle having such a spring system and a method for adapting the stiffness of a spring system are provided.

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Berlin, Germany

Mandy Streifler