ESM Energie- und Schwingungstechnik Mitsch GmbH

ESMPassive Tuned Mass Dampers

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Tuned mass dampers are designed for situations where main systems like gearboxes or generators in wind turbines undergo significant undesired vibrations. They are based on a system comprising a spring and a weight which adds damping to the main system.

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ESM has developed tuned mass dampers (TMD) which are three-dimensionally adjustable. Vibrations can so be reduced in all three translational directions by only one single damper without any time-consuming development effort. These adjustable TMDs are designed modularly and can be provided with vibrating masses varying from approximately 40kg to approx. 500kg. These dampers cover a frequency range from approx. 50Hz to 600Hz. However, not every combination of mass and frequency can be produced. The three-dimensional damper of ESM is simply attached to the structure by a central screw.

Dampers of different size as well as different mass and/or frequency can be produced and provided according to your needs. Please do not hesitate to contact us.

  • Axial and radial natural frequency of the 3D-TMD can be tuned independently
  • The ESM-developed modular system allows quick adaptation at low costs
  • Robust system suitable for wind turbines
  • Required natural frequencies can be tuned in factory or on site

  • Cost-cutting potential in new wind turbines
  • Can be used for a wide frequency range
  • Positioned on the gearbox or generator
  • Wind turbines, civil engineering, mechanical engineering, vehicle construction