Vibration absorber

Abstract

A primary body vibration absorber (1), connected to the frame (10) by a flexible joint (4) and a damping joint (5), and connected to the absorber body (2) by a flexible joint (6) and a damping joint (7), wherein the primary body (1) is provided with a sensor (11) for the movement of the primary body (1) and the absorber body (2) is provided with a sensor (12) for the movement of the absorber body (2) and connected to an actuator (8) for tuning the natural frequencies of the absorber body (2), consisting in that the absorber body (2) is connected to an additional body (3) by means of an actuator (8), and that further the additional body (3) is provided with a sensor (13) for the movement of the additional body (3), and the absorber body (2) is connected to the primary body (1) by means of an actuator (8).