HK1092853A1 - An improved shroud and sealing for a steam/gas turbine pressure stage - Google Patents

An improved shroud and sealing for a steam/gas turbine pressure stage

Info

Publication number
HK1092853A1
HK1092853A1 HK06113323A HK06113323A HK1092853A1 HK 1092853 A1 HK1092853 A1 HK 1092853A1 HK 06113323 A HK06113323 A HK 06113323A HK 06113323 A HK06113323 A HK 06113323A HK 1092853 A1 HK1092853 A1 HK 1092853A1
Authority
HK
Hong Kong
Prior art keywords
steam
sealing
gas turbine
pressure stage
turbine pressure
Prior art date
Application number
HK06113323A
Inventor
Naljotov Oleg
Zitin Vladlen
Original Assignee
Naljotov Oleg
Zitin Vladlen
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Naljotov Oleg, Zitin Vladlen filed Critical Naljotov Oleg
Publication of HK1092853A1 publication Critical patent/HK1092853A1/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/141—Shape, i.e. outer, aerodynamic form
    • F01D5/142—Shape, i.e. outer, aerodynamic form of the blades of successive rotor or stator blade-rows
    • F01D5/143—Contour of the outer or inner working fluid flow path wall, i.e. shroud or hub contour
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/007—Preventing corrosion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/22—Blade-to-blade connections, e.g. for damping vibrations
    • F01D5/225—Blade-to-blade connections, e.g. for damping vibrations by shrouding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/31—Application in turbines in steam turbines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/32—Application in turbines in gas turbines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/60—Fluid transfer
    • F05D2260/602—Drainage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/95—Preventing corrosion
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
HK06113323A 2003-04-18 2006-12-05 An improved shroud and sealing for a steam/gas turbine pressure stage HK1092853A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2003/012102 WO2004099572A1 (en) 2003-04-18 2003-04-18 Steam/gas turbine pressure stage with universal shroud

Publications (1)

Publication Number Publication Date
HK1092853A1 true HK1092853A1 (en) 2007-02-16

Family

ID=33434336

Family Applications (1)

Application Number Title Priority Date Filing Date
HK06113323A HK1092853A1 (en) 2003-04-18 2006-12-05 An improved shroud and sealing for a steam/gas turbine pressure stage

Country Status (10)

Country Link
EP (1) EP1623097A4 (en)
JP (1) JP4195882B2 (en)
CN (1) CN100386502C (en)
AU (1) AU2003228590B2 (en)
BR (1) BR0318261A (en)
CA (1) CA2562712C (en)
EA (1) EA008156B1 (en)
HK (1) HK1092853A1 (en)
UA (1) UA81314C2 (en)
WO (1) WO2004099572A1 (en)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE893649C (en) * 1940-05-04 1953-10-19 Siemens Ag Installation on steam or gas turbine blades
FR2166494A5 (en) * 1971-12-27 1973-08-17 Onera (Off Nat Aerospatiale)
SU663861A1 (en) * 1977-08-23 1979-05-25 Ленинградский Ордена Ленина Политехнический Институт Им.М.И.Калинина Axial turbine runner
JPS55146201A (en) * 1979-05-04 1980-11-14 Hitachi Ltd Moving blade for turbine
US4534701A (en) * 1982-06-29 1985-08-13 Gerhard Wisser Rotor or guide wheel of a turbine engine with shroud ring
DE3505491A1 (en) * 1985-02-16 1986-08-21 MTU Motoren- und Turbinen-Union München GmbH, 8000 München GASKET FOR A FLUID MACHINE
DE4015206C1 (en) * 1990-05-11 1991-10-17 Mtu Muenchen Gmbh
FR2661944B1 (en) * 1990-05-14 1994-06-10 Alsthom Gec TURBOMACHINE FLOOR WITH REDUCED SECONDARY LOSSES.
FR2666846B1 (en) * 1990-09-13 1992-10-16 Alsthom Gec VANE GRILLE FOR TURBOMACHINE PROVIDED WITH SUCTION SLOTS IN THE CEILING AND / OR IN THE FLOOR AND TURBOMACHINE COMPRISING SUCH GRIDS.
US5224713A (en) * 1991-08-28 1993-07-06 General Electric Company Labyrinth seal with recirculating means for reducing or eliminating parasitic leakage through the seal
GB9607578D0 (en) * 1996-04-12 1996-06-12 Rolls Royce Plc Turbine rotor blades
EP0844369B1 (en) * 1996-11-23 2002-01-30 ROLLS-ROYCE plc A bladed rotor and surround assembly
DE59912323D1 (en) * 1998-12-24 2005-09-01 Alstom Technology Ltd Baden Turbine blade with actively cooled Deckbandelememt

Also Published As

Publication number Publication date
JP4195882B2 (en) 2008-12-17
EP1623097A4 (en) 2012-06-27
CN100386502C (en) 2008-05-07
EP1623097A1 (en) 2006-02-08
CA2562712C (en) 2011-05-31
AU2003228590A1 (en) 2004-11-26
AU2003228590B2 (en) 2010-01-07
JP2006523792A (en) 2006-10-19
CA2562712A1 (en) 2004-11-18
EA200501572A1 (en) 2006-08-25
CN1788142A (en) 2006-06-14
EA008156B1 (en) 2007-04-27
BR0318261A (en) 2006-05-23
UA81314C2 (en) 2007-12-25
WO2004099572A1 (en) 2004-11-18

Similar Documents

Publication Publication Date Title
GB2402717B (en) A vane assembly for a gas turbine engine
PL1664489T3 (en) Gas turbine comprising a ring-shaped sealing means
GB2397343B (en) A gas turbine engine blade containment assembly
GB2407344B (en) A liner for a gas turbine engine casing
GB0211350D0 (en) A gas turbine engine
IL165844A0 (en) Stator vane assembly for a gas turbine engine
GB0423923D0 (en) Segmented annular seal for a gas turbine engine
GB0410548D0 (en) A gas turbine engine
GB2406615B (en) A gas turbine engine blade containment assembly
PL1656523T3 (en) Diffuser for a gas turbine and gas turbine for energy generation
GB2382382B (en) A fan for a turbofan gas turbine engine
PL350897A1 (en) Vane spacer for a gas turbine engine and gas turbine engine disk assembly
PT1649146E (en) Method for increasing the efficiency of a gas turbine system, and gas turbine system suitable therefor
GB0216561D0 (en) Diffuser for gas turbine engine
GB2401651B (en) A gas turbine engine
IL186382A0 (en) Method for starting a gas and steam turbine system
GB0107973D0 (en) A gas turbine engine blade containment assembly
PL1651841T3 (en) Open-cooled component for a gas turbine, combustion chamber, and gas turbine
GB0107970D0 (en) A gas turbine engine blade containment assembly
SG119178A1 (en) Valve assembly for gas turbine engine
GB2387416B (en) Gap seal in a gas turbine
GB2388875B (en) A vane for a rotor arrangement for a gas turbine engine
EP1697617A4 (en) Improved leakage control in a gas turbine engine
GB2405451B (en) Vane apparatus for a gas turbine engine
GB2387203A9 (en) Rotor disc for a gas turbine engine

Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20120418