Rotor assemblies having automatic blade folding systems

B - Operations – Transporting – 64 – C

Patent

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Details

B64C 27/50 (2006.01) B64C 27/00 (2006.01) B64C 27/46 (2006.01)

Patent

CA 2643518

A rotor assembly having a rotor hub, a plurality of yokes, and a plurality of swing arms is provided. The yoke depending from the rotor hub. Each swing arm is movably positioned on the rotor hub for rotation between an unlocked position and a locked position. The yokes are freely movable about a pitch axis and a lead/lag axis when the swing arms are in the unlocked position and the yokes are locked in a predetermined pitch position and a predetermined lead/lag position when the swing arms are in the locked position.

La présente invention concerne un ensemble de rotors comportant un moyeu de rotor, une pluralité de noix de cardan, et une pluralité de bras oscillants. Le noix de cardan est dépendant du moyeu de rotor. Chaque bras oscillant peut être positionné de manière mobile sur le moyeu de rotor pour une rotation entre une position déverrouillée et une position verrouillée. Les noix de cardan sont librement mobiles autour d'un axe de tangage et d'un axe d'avancement/de recul lorsque les bras oscillants sont dans la position déverrouillée et les noix de cardan sont verrouillées dans une position de tangage prédéterminée et une position d'avancement/de recul lorsque les bras oscillants sont dans la position verrouillée.

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