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IPC

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Application

96121487/06, 1996-11-05

(22)

Actual filing date

1996-11-05

(45)

Published

1999-08-27

(72)

Inventor

Gudkov N.N.Lopatitskij A.O.Nezhentsev Ju.N.Ozernov L.A.

(73)

Holder

Leningradskoe Obshchestvo Otkrytogo Tipa Metallicheskij Zavod"

AXIAL-FLOW TURBINE STAGE Russian patent published in 1999 - IPC

Abstract RU 2135780 C1

FIELD: turbine manufacture. SUBSTANCE: turbine stage has nozzle assembly, runner with shroud, and above-the-shroud seal with annular ridges. Deflector plate rack is installed past annular ridges. Front edges of rack plates are located above shroud as close as possible to rear annular ridge of above-the- shroud seal along flow. Inner diameter of rack portion downstream of shroud is between outer diameter of runner blades and outer diameter of shroud. EFFECT: reduced leakage through above-the-shroud seal. 3 dwg

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RU 2 135 780 C1

Authors

Gudkov N.N.

Lopatitskij A.O.

Nezhentsev Ju.N.

Ozernov L.A.

Dates

1999-08-27—Published

1996-11-05—Filed

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