FIELD: mechanical engineering; gas turbine engines. SUBSTANCE: turbine has nozzle blades secured in turbine housing on outer flange. Inner flange of blades in made in form of four-wall box. Contact flat with zigzag projection and mating cavity is found on solid side wall of box. Slots for load bearing plates connecting adjacent nozzle blades are found on open end face surface of box. EFFECT: reduced axial component of gas forces acting onto feather of nozzle blade, reduced required amount of cooling air. 5 dwg
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