TURBINE TWO-FLOW RADIAL-AXIAL CYLINDER Russian patent published in 1994 - IPC

FIELD: manufacture of steam turbines; thermal power stations. SUBSTANCE: cylinder has housinsing with steam bleeding chambers; arranged in housing are multi-flow radial-axial stage with main and additional passages and axial stages; radial-axial stage wheel is made with profile whose tangent is inclined at the root point of outlet section to axis of the turbine at an angle of from -15 to +15 deg; generatrix of root bypass of axial stages concides with above-mnentioned tangent; working blade of last stage is provided with flow divider; guide vane assembly of radial-axial stage is provided with rotating blades mounted at the inlet of wheel additional passages. EFFECT: enhanced efficiency. 2 cl, 3 dwg