FIELD: engines and pumps.
SUBSTANCE: turbomachine comprises body, rotor and multiple cooled annular segments, which are installed between specified body and specified rotor. Every annular segment comprises the main cooling cavity and is fixed to turbine body with the help of fastening devices. Fastening devices comprise binding screws, which are installed approximately in radial direction and press annular segment to specified body. Channel for cooling air passes through specified binding screw, and is connected to specified cooling cavity of annular segment.
EFFECT: higher cooling efficiency.
12 cl, 6 dwg
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