FIELD: engines and pumps.
SUBSTANCE: outlet device of double-flow jet turbine engine includes housing, division wall, channel of the second flow between them, central fairing after turbine and additional cover. Fairing after turbine has perforated surface and faces with its top the engine outlet. Additional cover is coaxially installed inside fairing and forms together with the latter a cooling air passage channel which is connected to the channel of the second flow. Attachment of additional cover in fairing is rigid on the side of its top and movable on the side of its base.
EFFECT: invention allows ensuring the uniformity of annular gap between perforated surface of fairing after turbine and additional cover, which improves operating reliability and cooling efficiency of external perforated surface of fairing after turbine.
4 cl, 4 dwg
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