Device for compensating for the mechanical play of a...

Details Device for compensating for the mechanical play of a... Device for compensating for the mechanical play of a...

B - Operations, Transporting

64

C

B64C 27/68 (2006.01)

Patent

CA 2601440

The invention concerns a device for compensating helicopter flight control mechanical clearance. The invention concerns helicopter automatic pilot appliances (1). The helicopter automatic pilot device (2) acts on the helicopter flight controls (25, 26) assigned to mechanical clearances by means of a group of actuators called "series actuators" (6) with rapid response and short stroke and mechanically irreversible, arranged in series on the flight controls (25, 26). The invention is characterized in that the device comprises at least one sensor of variation direction of movement setpoints of the series actuators and a clearance compensator adding to the setpoint, based on the variation direction thereof, a corrective term based on the mechanical clearance (311) affecting the flight control (25, 26) equipped with the "series actuator" concerned.

Dispositif de compensation de jeu mécanique de commande de vol d'hélicoptère La présente invention concerne les équipements de pilotage automatique (1) pour hélicoptère. Le dispositif de pilotage automatique (2) pour hélicoptère agit sur des commandes de vol (25, 26) de l'hélicoptère affectées de jeux mécaniques au moyen d'un groupe de vérins dits « vérins série » (6) à réponse rapide et faible course et mécaniquement irréversibles, placé en série sur les commandes de vol (25, 26). Selon l'invention, le dispositif comporte au moins un détecteur de sens de variation des consignes de déplacement des vérins série et un compensateur de jeu ajoutant à la consigne, en fonction du sens de variation de cette dernière, un terme correctif fonction du jeu mécanique (311) affectant la commande de vol (25, 26) équipée du « vérin série » (5, 6) concerné.

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