WO2004099572A1 - Steam/gas turbine pressure stage with universal shroud - Google Patents
Steam/gas turbine pressure stage with universal shroud Download PDFInfo
- Publication number
- WO2004099572A1 WO2004099572A1 PCT/US2003/012102 US0312102W WO2004099572A1 WO 2004099572 A1 WO2004099572 A1 WO 2004099572A1 US 0312102 W US0312102 W US 0312102W WO 2004099572 A1 WO2004099572 A1 WO 2004099572A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- shroud
- steam
- gas
- ridge
- turbine
- Prior art date
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)
Abstract
Description
Claims
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EA200501572A EA008156B1 (en) | 2003-04-18 | 2003-04-18 | Stream/gas turbine pressure stage with universal shroud |
EP03726350A EP1623097A4 (en) | 2003-04-18 | 2003-04-18 | Steam/gas turbine pressure stage with universal shroud |
AU2003228590A AU2003228590B2 (en) | 2003-04-18 | 2003-04-18 | Steam/gas turbine pressure stage with universal shroud |
PCT/US2003/012102 WO2004099572A1 (en) | 2003-04-18 | 2003-04-18 | Steam/gas turbine pressure stage with universal shroud |
JP2004571652A JP4195882B2 (en) | 2003-04-18 | 2003-04-18 | Axial flow fluid machine |
CNB038266393A CN100386502C (en) | 2003-04-18 | 2003-04-18 | Steam/gas turbine pressure stage with universal shroud |
BRPI0318261-4A BR0318261A (en) | 2003-04-18 | 2003-04-18 | steam casing pressure phase with universal casing |
CA2562712A CA2562712C (en) | 2003-04-18 | 2003-04-18 | Steam/gas turbine pressure stage with universal shroud |
UAA200510908A UA81314C2 (en) | 2003-04-18 | 2003-04-18 | Steam/gas turbine with shroud |
HK06113323A HK1092853A1 (en) | 2003-04-18 | 2006-12-05 | An improved shroud and sealing for a steam/gas turbine pressure stage |
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 |
---|---|
WO2004099572A1 true WO2004099572A1 (en) | 2004-11-18 |
Family
ID=33434336
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2003/012102 WO2004099572A1 (en) | 2003-04-18 | 2003-04-18 | Steam/gas turbine pressure stage with universal shroud |
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) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4534701A (en) * | 1982-06-29 | 1985-08-13 | Gerhard Wisser | Rotor or guide wheel of a turbine engine with shroud ring |
US5154581A (en) * | 1990-05-11 | 1992-10-13 | Mtu Motoren- Und Turbinen- Union Munchen Gmbh | Shroud band for a rotor wheel having integral rotor blades |
US6142739A (en) * | 1996-04-12 | 2000-11-07 | Rolls-Royce Plc | Turbine rotor blades |
US6340284B1 (en) * | 1998-12-24 | 2002-01-22 | Alstom (Switzerland) Ltd | Turbine blade with actively cooled shroud-band element |
Family Cites Families (9)
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 |
DE3505491A1 (en) * | 1985-02-16 | 1986-08-21 | MTU Motoren- und Turbinen-Union München GmbH, 8000 München | GASKET FOR A FLUID MACHINE |
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 |
EP0844369B1 (en) * | 1996-11-23 | 2002-01-30 | ROLLS-ROYCE plc | A bladed rotor and surround assembly |
-
2003
- 2003-04-18 BR BRPI0318261-4A patent/BR0318261A/en not_active IP Right Cessation
- 2003-04-18 UA UAA200510908A patent/UA81314C2/en unknown
- 2003-04-18 EA EA200501572A patent/EA008156B1/en not_active IP Right Cessation
- 2003-04-18 EP EP03726350A patent/EP1623097A4/en not_active Withdrawn
- 2003-04-18 CN CNB038266393A patent/CN100386502C/en not_active Expired - Fee Related
- 2003-04-18 CA CA2562712A patent/CA2562712C/en not_active Expired - Fee Related
- 2003-04-18 AU AU2003228590A patent/AU2003228590B2/en not_active Ceased
- 2003-04-18 WO PCT/US2003/012102 patent/WO2004099572A1/en active Application Filing
- 2003-04-18 JP JP2004571652A patent/JP4195882B2/en not_active Expired - Lifetime
-
2006
- 2006-12-05 HK HK06113323A patent/HK1092853A1/en not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4534701A (en) * | 1982-06-29 | 1985-08-13 | Gerhard Wisser | Rotor or guide wheel of a turbine engine with shroud ring |
US5154581A (en) * | 1990-05-11 | 1992-10-13 | Mtu Motoren- Und Turbinen- Union Munchen Gmbh | Shroud band for a rotor wheel having integral rotor blades |
US6142739A (en) * | 1996-04-12 | 2000-11-07 | Rolls-Royce Plc | Turbine rotor blades |
US6340284B1 (en) * | 1998-12-24 | 2002-01-22 | Alstom (Switzerland) Ltd | Turbine blade with actively cooled shroud-band element |
Non-Patent Citations (1)
Title |
---|
See also references of EP1623097A4 * |
Also Published As
Publication number | Publication date |
---|---|
EA200501572A1 (en) | 2006-08-25 |
BR0318261A (en) | 2006-05-23 |
CA2562712A1 (en) | 2004-11-18 |
CN1788142A (en) | 2006-06-14 |
HK1092853A1 (en) | 2007-02-16 |
AU2003228590B2 (en) | 2010-01-07 |
CA2562712C (en) | 2011-05-31 |
EA008156B1 (en) | 2007-04-27 |
JP2006523792A (en) | 2006-10-19 |
EP1623097A4 (en) | 2012-06-27 |
EP1623097A1 (en) | 2006-02-08 |
CN100386502C (en) | 2008-05-07 |
AU2003228590A1 (en) | 2004-11-26 |
JP4195882B2 (en) | 2008-12-17 |
UA81314C2 (en) | 2007-12-25 |
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