The invention relates to an actuation device (22) for a system (20) including an emergency ram air turbine (21). Said device includes a ram (22) extending along a longitudinal axis (29) and including: a cylinder (30) configured to be connected to an aircraft structure (23) and a piston (33) extending into the cylinder (30) and defining two chambers (31, 32) in the latter. The piston (33) is equipped with a rod (33a) partially extending outside the cylinder (30). Said rod portion extending outside the cylinder (30) is configured to be connected to the emergency ram air turbine (21). The piston (33) is configured to move, relative to the cylinder (30), between a retracted position and a released position, wherein the length of the portion (33b) of the rod (33a) extending outside the cylinder (30) is greater than in the retracted position. One (31) of the chambers of the cylinder (30) is equipped with at least one gas generator (34) configured, when the piston (33) is in the retracted position, to release gases into said chamber (31) so that the piston (33) moves, in the cylinder (30), from the retracted position to the released position as a result of a difference in pressure between the two chambers (31, 32) of the cylinder (30).
DISPOSITIF D'ACTIONNEMENT POUR SYSTEME D'EOLIENNE DE SECOURS D'AERONEF
ACTUATION DEVICE FOR AIRCRAFT EMERGENCY RAM AIR TURBINE SYSTEM
BETÄTIGUNGSVORRICHTUNG FÜR EIN FLUGZEUG-NOTSTAULUFTTURBINENSYSTEM
2019-06-05
Patent
Elektronische Ressource
Französisch
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