Co-rotating stacked rotor disks for improved hover performance

Details Co-rotating stacked rotor disks for improved hover performance Co-rotating stacked rotor disks for improved hover performance

B - Operations, Transporting

64

C

B64C 27/08 (2006.01)

Patent

CA 2762247

The system of the present application represents a rotor hub for a rotorcraft and a rotorcraft incorporating the rotor hub. The rotor hub is represented as having multiple rotor disk assemblies, each rotor disk assembly rotating in the same direction about the same mast axis of rotation. In the preferred embodiment, each rotor disk assembly has three rotor blades. The upper rotor disc assembly and the lower rotor disk assembly are separated by approximately 2.5% of the rotor disk diameter, at least to take advantage of "wake contraction".

La présente invention concerne un système représentant un moyeu de rotor pour un giravion et un giravion incorporant le moyeu de rotor. Le moyeu de rotor est représenté comme ayant de multiples groupes de disques rotors, chaque groupe de disques rotors tournant dans le même sens autour du même axe de rotation du mât. Dans un mode de réalisation préféré, chaque groupe de disques rotors comprend trois pales de rotor. Le groupe de disques rotors supérieur et le groupe de disques rotors inférieur sont séparés par environ 2,5 % du diamètre du disque rotor, au moins pour tirer avantage de la « contraction du sillage ».

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