发明名称 STEAM-TURBINE DIAPHRAGM
摘要 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
申请公布号 RU2137925(C1) 申请公布日期 1999.09.20
申请号 RU19980102085 申请日期 1998.02.06
申请人 KOVALEV EVGENIJ PAVLOVICH 发明人 KOVALEV E.P.
分类号 F01D9/02;(IPC1-7):F01D9/02 主分类号 F01D9/02
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