Anti-torque and yaw-control system for a rotary-wing aircraft

B - Operations – Transporting – 64 – C

Patent

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Details

B64C 27/82 (2006.01)

Patent

CA 2514728

A preferred embodiment of a rotary-wing aircraft comprises a main rotor, a tail boom extending through an area of downwash from the main rotor, and a linear nozzle fixedly coupled to the tail boom and having an opening extending along the tail boom for discharging a sheet of fluid in a direction substantially tangential to an outer surface of the tail boom. A preferred embodiment also comprises a yaw-control device movably coupled to the tail boom and having an opening formed therein for discharging fluid in a direction away from the yaw-control device and into the area of downwash from the main rotor.

L'invention concerne, selon un mode de réalisation préféré, un aéronef à voilure tournante qui comprend : un rotor principal, une poutre de queue qui s'étend dans une zone de déflexion vers le bas à partir du rotor principal, et une buse linéaire raccordée fixe à la poutre de queue et présentant une ouverture qui s'étend le long de la poutre de queue afin d'évacuer une nappe de fluide dans un sens sensiblement tangent à une surface extérieure de la poutre de queue. Selon un mode de réalisation préféré, un dispositif de commande de lacet est raccordé mobile à la poutre de queue et comprend une ouverture permettant d'évacuer un fluide dans un sens opposé à celui-ci et dans la zone de déflexion vers le bas à partir du rotor principal.

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