Resonance killer - Passive damper with benefits - Kalle Vehviläinen and Jarkko Keinänen

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  • 1. Resonance Killer - ReKi Passive damper with benefits SIMPLE • AFFORDABLE • RELIABLE  ReKi is a new passive mass damper  works without input energy or control  reduces disturbing vibrations in broad frequency band  ReKi overcomes the limits of passive damping systems with groundbreaking innovation  ReKi is used in machines, engines, pipes and structures  Used in applications from 1 kg to 10 ton  Frequencies in different applications from 10 to 1000 Hz Contacts Kalle Vehviläinen, kalle.vehvilainen@vtt.fi Jarkko Keinänen, jarkko.keinanen@vtt.fi Circuit board Original structure