Engine cowl incorporating an equipment ventilation circuit

摘要

An aircraft propulsion engine 1 comprises a case 18, preferably a fan case and a cowl 20 forming part of the nacelle of the engine 1. The cowl 20 is arranged to at least partially surround said case leaving a space 22 between the cowl and the case. At least one piece of equipment 24 is mounted within this space and extends along the axis 10 of said engine 1. The cowl comprises a wall 34 and wall stiffeners 32 fixed to the internal face 34 of this wall. At least a part of the stiffeners of the cowl is arranged to form air guide ducts that are assembled into an air distribution circuit to ventilate said equipment.