FIELD: machine building.
SUBSTANCE: gas turbine guide vane case comprises axial segments, one of the latter being composed of grid structure of pipes. Grid structure of appropriate axial segment inner and/or outer side is provided with metal sheet lining with holes for cooling air. Other inventions of the set relate to gas turbine and steam-and-gas turbine with above described guide vane case.
EFFECT: decreased weight, simplified design of gas turbine.
10 cl, 2 dwg
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