FIELD: combustion chambers.
SUBSTANCE: combustion chamber fire tube wall member of gas-turbine engine is made in form of thermoduric cake fastened to cases of cases of combustion chamber to have space for passing secondary air through which air flows inside fire tube through sloped holes in cake. Thermoduric cake has case with protrusions for fixing inside ring-shaped slots of combustion chambers cases. It also has sheet shutter, which comes into ring-shaped slots in case of cake and fixed relatively it in its central part. Protrusions, which serve as supports for shutter, are made onto surface of thermoduric cake turned to shutter.
EFFECT: improved workability under high temperature conditions.
4 cl, 2 dwg
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