resonanzvorrichtung as thugs or krafterzeuger

摘要

The invention relates to a resonant device comprising a mass/spring system composed of a main mass comprising at least one main mass element, and of at least one spring element (3). The device is one which comprises at least one additional mass (10) comprising at least one additional mass element (102) and a coupling device (204) able to couple the additional mass (10) to the main mass (1) and to decouple it therefrom, so as to modify the tuning frequency of the device.