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