A damping device (15, 15', 15" , 15"') is described that is designed to counter the transmission of vibrations to a further element (6) and comprises: a beam element (22), which extends mainly parallel to an axis (A), is constrained to the further element (6) and is designed to flexurally oscillate, in use, in a plane parallel to the axis (A) to counter the transmission of vibrations to the further element (6); an actuator (30), which comprises a transmission element (32, 32" , 32'") operatively connected to the beam element (22) and extending mainly along the axis (A); the actuator (30) being controllable to apply a direct tensile or compressive load along the axis (A) on the transmission element (32, 32", 32"') that is variable according to the frequency of the vibrations to be dampened.
VIBRATION DAMPING DEVICE AND DAMPING METHOD FOR A ROTOR OF AN AIRCRAFT CAPABLE OF HOVERING
SCHWINGUNGSDÄMPFENDE VORRICHTUNG UND DÄMPFUNGSVERFAHREN FÜR EINEN ROTOR EINES ZUM SCHWEBEFLUG FÄHIGEN LUFTFAHRZEUGS
DISPOSITIF D'AMORTISSEMENT DE VIBRATIONS ET MÉTHODE D'AMORTISSEMENT POUR UN ROTOR D'UN AÉRONEF APTE À UN VOL STATIONNAIRE
2018-04-11
Patent
Electronic Resource
English
Vibration damping device and damping method for a rotor of an aircraft capable of hovering
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