METHOD FOR SUPPRESSING VIBRATION IN A TILTROTOR AIRCRAFT

A method is disclosed for suppressing vibration in an aircraft having at least one pair of multiple-blade rotors. The first step of the method is to install in the aircraft at least one pair of vibration suppression devices t o form a system, the devices of each system being mounted on opposing side...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	CLOUD, JEFFREY B, SMITH, GERALD, WILSON, JAMES A, BARKLEY, CHARLES L
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AEROPLANES AIRCRAFT AVIATION BLASTING COSMONAUTICS ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HELICOPTERS LIGHTING MEANS FOR DAMPING VIBRATION MECHANICAL ENGINEERING PERFORMING OPERATIONS SHOCK-ABSORBERS SPRINGS THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	A method is disclosed for suppressing vibration in an aircraft having at least one pair of multiple-blade rotors. The first step of the method is to install in the aircraft at least one pair of vibration suppression devices t o form a system, the devices of each system being mounted on opposing sides of the aircraft. Then, during operation of the aircraft, the next step is to rotate the at least one pair of rotors in a manner that causes the blades o ne of each pair of rotors to be out of phase from the other of each pair of rotors. The final step is to use the system to suppress vibrations caused by the out-of-phase rotation of the rotors.