FIELD: aeronautical engineering. SUBSTANCE: thrust reverser has inner swivel doors for shutting-off gas- air passage and blade cascades for deflection of gas-and-air flow. Longitudinal walls in form of thin plates are mounted on inner surface of each door in parallel with its plane of symmetry; each door is provided with at least two walls, 8 to 12 % of diameter of flow section of this device. EFFECT: avoidance of instability of gas-and-air flow and unstable operation of engine; reduced consumption of fuel. 3 dwg
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