Aeronautical propulsion system

Abstract

This presentation relates to an aeronautical propulsion system comprising: a stator (19e); a shrouded fan section; a first guidance system (23); a drive shaft (11); a second guidance system; a reduction mechanism (19); a support (19f); and a coupling device (30) comprising a plurality of shaft sections (300) and a plurality of radial flexibility elements (301); wherein a first radial flexibility element (301) of the plurality of radial flexibility elements (301) of the coupling device (30) is positioned closer to the first guidance system (23) than the others of the plurality of radial flexibility elements (301), the first radial flexibility element (301) furthermore being positioned axially between the reduction mechanism (19) and the second guidance system. Figure for the abstract: Fig. 7

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