FIELD: aero-engine manufacture; engine jet silencers. SUBSTANCE: jet silencer has outer casing 1 of jet engine with reaction nozzle. Central body 4 is mounted on struts 3 inside casing 1. Ports are provided at beginning of elongated pipe 5 in outer casing 1. These ports are provided with hinged doors 6 equipped with drive 7. Ejector shroud 10 forms circular clearance 11. Outer doors 12 are articulated at inlet of ejector shroud 10. Outer doors 12 and inner doors 6 are linked by means of rods 13 whose length is so selected that inner doors 6 are open when outer doors 12 are closed and vice versa. EFFECT: enhanced reliability.
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