Aircraft engine rear hanging device

B - Operations – Transporting – 64 – D

Patent

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Details

B64D 27/18 (2006.01) B64D 27/26 (2006.01)

Patent

CA 2469943

The present invention relates to a rear attachment suspension or device of a turbo engine (1) to an aircraft pylon including an upper brace (12) fitted with pylon fastening means, whereon are hinged by second ball joint connections (163, 183), three rocker bars transversal to the longitudinal axis of the engine, a first (16) and a second (18) rocker bars on both sides of the axis of the engine and a third rocker bar (17) between both of them, the rocker bars being themselves linked with the engine by first ball joint connections (161, 181). The suspension is characterised in that the first (16) and second (18) rocker bars each include a third (167, 187) stand-by link and in that the upper brace (12) is formed of a beam (120) fixed rigidly to the pylon. The solution of the invention enables the realisation of identical rocker bars and to ensure interchangeability thereof, thereby reducing the risks of error during assembly.

La présente invention porte sur une suspension ou un dispositif d'accrochage arrière d'un turbomoteur (10 au mât d'un avion comprenant une ferrure supérieure (12) pourvue de moyens de fixation au mât, sur laquelle sont articulées, par des secondes liaisons (163, 183) à articulation, trois biellettes transversalement à l'axe longitudinale du moteur, une première (16) et une deuxième (18) biellettes de part et d'autre de l'axe du moteur et une troisième biellette (17) entre elles deux, les biellettes étant elles-mêmes reliées au moteur par des premières liaisons (161, 181) à articulations. La suspension est caractérisée par le fait que les première (16) et deuxième (18) biellettes comportent chacune une troisième (167, 187) liaison en attente et que la ferrure supérieure (12) est formée d'une poutre (120) fixée rigidement au mât. La solution de l'invention permet la réalisation de biellettes identiques et d'assurer leur interchangeabilité réduisant ainsi les risques d'erreur au montage.

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