Patent ID: 8220739
Filing Date: 2012-07-17
Classification: B64D

Abstract:
1. An auxiliary propulsive system for an aircraft, integrated within a tail cone of a fuselage, said propulsive system comprising an auxiliary jet engine, having at least one operating mode in which said auxiliary jet engine is a propulsive engine, a carrying structure to which said engine is fixed, a device for supplying external air to said jet engine, wherein: the carrying structure comprises beams assembled to the aircraft, overhanging rearward of a rear load carrying frame of the fuselage in a substantially longitudinal direction of the fuselage and comprises one or more rear frames behind the rear load carrying frame, the beams being interdependent of the frames at a periphery of the frames along the tail cone near coverings of the fuselage: the auxiliary jet engine is fixed to the carrying structure by at least two lateral beams of said carrying structure, overhanging rearward a most backward frame of the rear frames, at least up to a rear attachment point longitudinal position of the auxiliary jet engine, and lateral to the engine; the at least two lateral beams extend forward of the rear load carrying frame into the fuselage structure; a space between the rear load carrying frame and the most backward frame being available for supplying external air to the auxiliary jet engine.