FIELD: aeronautical engineering; protection of inner duct of aircraft double-flow turbo-jet engine against damage of compressor blades by foreign objects in the course of operation. SUBSTANCE: separator-reflector includes bladed rim of guiding device and fan impeller. Blades of guiding device and impeller of last stage of fan are provided with circular reflecting shelves. Surfaces of these shelves are located at level of outer and inner duct air flow divider. Circular reflecting shelves are formed by set of reflecting shelves made integral with blades of impeller and guiding device. EFFECT: enhanced efficiency and reliability. 2 cl, 2 dwg
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