STEAM-TURBINE DIAPHRAGM Russian patent published in 1999 - IPC

FIELD: steam turbines. SUBSTANCE: diaphragm has diametrically split disk carrying nozzle blades on its rim which form nozzle channels and central bore with two parallel shaped slots on its circumference. Shaped slots accommodate segments with ridges of labyrinth seals around chamber communicating with nozzle chambers through disk channels. Flush-type portion of blades has channels with outlets to nozzle channels along steam flow arranged on convex surfaces of blades and running to separated-flow zones formed near convex portions of blades in outlet sections of nozzle channels; they are communicating with disk channels. EFFECT: improved economic efficiency of turbine. 2 dwg