US 2012/0267207 A1 · VIBRATION CONTROL APPARATUS, WIND TURBINE GENERATOR AND VIBRATION CONTROL METHOD

Abstract

It is intended to provide a vibration control apparatus that can be installed in a small pace and can be produced at low cost, as well as a wind turbine generator equipped with the vibration control apparatus and a vibration control method. The vibration control apparatus 7 includes a first vibration system 10 of inverted-pendulum type, second vibration systems 20 of inverted-pendulum type which are provided on both sides of the first vibration system 10, a restraining unit 30 which restrains a first weight 11 of the first vibration system 10 and a second weight 21 of the second vibration system 20 and a damper which damps vibration of the first weight 11 and the second weight 21. The vibration control apparatus 7 is installed on an upper floor 8a of a plurality of floors 8.

Claims12

Dependent claims

A vibration control apparatus for a structure, comprising:

a first vibration system which comprises a first weight, a supporting bar installed upright on the structure to support the first weight on the structure, a lower universal joint connecting a lower end of the support bar to the structure and an upper universal joint connecting an upper end of the support bar to the first weight;
a second vibration system which comprises an elastic member installed upright on the structure and a second weight arranged on the elastic member;
and
a restraining unit which restrains the first weight with respect to the second weight such that the first and second weights move in the same direction on the same horizontal plane and the first weight moves relative to the second weight in a vertical direction.

1 more element

Dependencies are inferred from the claim text.

Vibration control apparatus, wind turbine generator and vibration control method

Life of this patent

Vibration control apparatus, wind turbine generator and vibration control method

Life of this patent

Abstract

Claims12