Visco-Dampers

1) Torsional Visco-Dampers

The viscous damper provides the necessary torsional vibration damping effect by resilient, damped coupling of the secondary mass (inertia ring) to primary mass (housing).

2) Visco-Damper with decoupled pulley

The Visco-Damper with integrated decoupled pulley is a compact solution for decoupling torsional vibrations between crankshaft and pulley and reducing torsional vibrations of the crankshaft at the same time.

The pulley is connected to the hub by a highly flexible elastomer coupling and supported by a maintenance-free bearing.

Hydraulic Dampers

The HYDROLASTIC damper provides necessary torsional vibration damping by hydrodynamic displacement. Torsional vibrations cause a relative movement between primary mass (hub: orange surface) and secondary mass (housing: yellow surface). Due to this relative movement mineral oil is pressed through narrow clearances. The resulting pressure gradient corresponds to a hydraulic power loss from which the damping can be calculated.

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