AIRCRAFT ENGINE ASSEMBLY COMPRISING A PRIMARY STRUCTURE OF A COUPLING MAT EQUIPPED WITH A BOX EXTENSION COMPRISING TWO PARTS IN GLOBAL ARCEAU SHAPE

摘要

An engine assembly for an aircraft rigid structure comprising a mounting pylon comprising a central box and a box extension connected to a reducing gear case of the turboreactor. The box extension includes two parts bearing the front engine attachments, these pieces each comprising a structure forming a reinforcing rib of the central box, as well as two parts of horseshoe shape surrounding the reducing gear case.