Thrust reverser with improved capability to withstand impacts

Details Thrust reverser with improved capability to withstand impacts Thrust reverser with improved capability to withstand impacts

F - Mech Eng,Light,Heat,Weapons

02

K

F02K 1/56 (2006.01) B64D 29/06 (2006.01) F02K 1/76 (2006.01)

Patent

CA 2243061

The invention relates to a thrust reverser for an aircraft turbine engine specially designed to resist the impact of objects coming from the turbine engines around which they are installed, such as broken blades or disks, the said impacts being capable of distorting the annular structure of the thrust reverser or breaking the stiffeners thereof. This thrust reverser is distinctive in that each emergency locking system (35) has an articulated pin (38) of which one end is in the shape of a hook (40) partially encircling the locking interface (43), the pin (38) being automatically returned to the closed position by elastic means (47). This arrangement allows additional mechanical linkages to be created should the annular structure of the thrust reverser become distorted or the stiffeners break.

L'invention propose un inverseur de poussée pour turbomoteur d'aéronef spécialement conçu pour résister aux impacts d'objets provenant des turbomoteurs autour desquels ils sont disposés, tels des bris d'aubes ou de disques, ces impacts étant susceptibles de déformer la structure annulaire de l'inverseur ou d'en rompre les raidisseurs. Un tel inverseur est remarquable en ce que les systèmes de verrouillage de secours (35)comportent chacun un pêne articulé (38) dont une extrémité est en forme de crochet (40) entourant partiellement l'interface de verrouillage (43), le pêne (38) étant rappelé automatiquement à la fermeture par des moyens élastiques (47). Une telle disposition permet de créer des liaisons mécaniques supplémentaires susceptibles de suppléer aux déformations de la structure annulaire de l'inverseur ou aux ruptures des raidisseurs.

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