FIELD: engines and pumps.
SUBSTANCE: proposed turbine comprises operating vane and flange joint of outer casings. Said flange joint consists of radial ring ribs and shell rings attached thereto. Said flange joint is arranged outside of said operating vane. Downstream ring rib outer side is jointed with tapered shell ring to make closed annular chamber on vane rear edge side. Butt of flanges on vane operating side is covered by cylindrical rib. The latter is directed along gas flow and jointed with front upstream radial rib of aforesaid flange joint.
EFFECT: higher reliability due to ruled out penetration of turbine outer casing.
1 dwg
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