Vibration motor primary flight control actuator

Details Vibration motor primary flight control actuator Vibration motor primary flight control actuator

B - Operations, Transporting

64

C

B64C 13/50 (2006.01) H01L 41/09 (2006.01) H02N 2/00 (2006.01)

Patent

CA 2449861

The invention concerns a flight control surface (7) actuator, in particular for controlling an aircraft primary flight, comprising, in a main control path (1), a main actuator (3) of the flight control surface (7). The invention is characterised in that the actuator of the main control path (1) comprises a vibration type motor, and it further comprises in a compensating secondary control path (2), a compensating actuator (4) and means forming a spring (5) interposed between the compensating actuator (4) and the flight control surface (7), said compensating actuator (4) tensioning or compressing the spring forming means so that they can provide the flight control surface (7) with an average force for discharging the main actuator (3) of the average force which it must apply to the flight control surface (7).

L'invention concerne un actionneur d'une gouverne (7), notamment pour commande de vol primaire d'un aéronef, comportant, dans une chaîne de commande principale (1), un actionneur principal (3) de la gouverne (7), caractérisé en ce que l'actionneur de la chaîne de commande principale (1) comporte un moteur du type moteur à vibration, et ce qu'il comporte en outre, dans une chaîne de commande secondaire de compensation (2), un actionneur de compensation (4) et des moyens formant ressort (5) interposés entre l'actionneur de compensation (4) et la gouverne (7), cet actionneur de compensaton (4) tendant ou comprimant les moyens formant resoort afin qu'ils soient aptes à fournir à la gouverne (7) un effort moyen pour décharger l'actionneur principal (3) de l'effort moyen qu'il doit fournir à la gouverne (7).

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