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2 233 381

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IPC

(21) (22)

Application

2003114459/06, 2003-05-20

(24)

Start date

2003-05-20

(22)

Actual filing date

2003-05-20

(45)

Published

2004-07-27

(72)

Inventor

Avrutskij G.D.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Teplotekhnicheskij Nauchno-Issledovatel'Skij Institut"

STEAM TURBINE WITH END SEALS IN FORM OF ADDITIONAL TURBINE STAGES WITH REGENERATING STEAM EXTRACTIONS Russian patent published in 2004 - IPC

Abstract RU 2233381 C1

FIELD: mechanical engineering; designing of new steam turbines.

SUBSTANCE: according to invention, in steam turbine containing regenerative steam extractions and end seals made in form of additional turbine stages, at least part of said extractions is connected to end seals, and through sections of turbine flow passage of additional turbine stages are chosen to provide passing of steam equal to passing of steam to regenerative extractions of turbine connected to end seals.

EFFECT: improved efficiency of main and additional turbine stages, decreased forces in places of connection of pipelines to turbine housing.

1 dwg

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RU 2 233 381 C1

Authors

Avrutskij G.D.

Dates

2004-07-27—Published

2003-05-20—Filed