Aircraft including at least one engine having...

Details Aircraft including at least one engine having... Aircraft including at least one engine having...

B - Operations, Transporting

64

D

B64D 31/12 (2006.01) F16F 15/20 (2006.01)

Patent

CA 2731960

The aircraft (50) includes at least one engine (56) having counter-rotating rotors, the engine or at least one of the engines having imbalances associated with at least one ellipse (70). The aircraft includes a means capable of controlling the engine or at least one of the engines such that, at a given engine speed, the large axis (68) of the ellipse or at least one of the ellipses extends in a direction for which the vibrations generated by the engine or engines have a minimum intensity in at least one predetermined site, particularly in a predetermined area, of the aircraft.

L'aéronef (50) comprend au moins un moteur (56) à rotors contrarotatifs, le moteur ou au moins l'un des moteurs présentant des balourds associés à au moins une ellipse (70). L'aéronef comprend des moyens aptes à commander le moteur ou au moins l'un des moteurs de sorte que, à une vitesse donnée du moteur, le grand axe (68) de l'ellipse ou de l'une au moins des ellipses s'étend dans une direction pour laquelle des vibrations générées par le ou les moteurs ont une intensité minimale à au moins un emplacement prédéterminé, notamment dans une zone prédéterminée, de l'aéronef.

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