Airbus Helicopters

Benoit Rogier

Paul Cranga

Alain Eberhard

Jonathan Rodriguez

A suspension device () provided with at least one suspension means () comprising a flapper () performing pendulum motion, the flapper () being provided with a mass support () supporting at least one flapping mass (). The mass support () is hinged to a carrier structure () for isolating and to a holder bar () for holding said mechanical assembly. The suspension device () includes at least one force generator (), said suspension device () having at least one computer () connected to a measurement system () measuring the levels of vibration, and to said force generator () to regulate said amplitude and said phase actively by controlling the force generator () as a function of at least one measurement signal coming from said measurement system ().

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Istres, France

Benoit Rogier