EP0140736A3 - Connection and sealing of stator blade sections of a turbine - Google Patents

Connection and sealing of stator blade sections of a turbine Download PDF

Info

Publication number
EP0140736A3
EP0140736A3 EP84401766A EP84401766A EP0140736A3 EP 0140736 A3 EP0140736 A3 EP 0140736A3 EP 84401766 A EP84401766 A EP 84401766A EP 84401766 A EP84401766 A EP 84401766A EP 0140736 A3 EP0140736 A3 EP 0140736A3
Authority
EP
European Patent Office
Prior art keywords
turbine
sealing
connection
stator blade
blade sections
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP84401766A
Other languages
French (fr)
Other versions
EP0140736A2 (en
EP0140736B1 (en
Inventor
Claude Christian Hallinger
Alain Marie Joseph Lardellier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Safran Aircraft Engines SAS
Original Assignee
Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA
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 Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA filed Critical Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA
Publication of EP0140736A2 publication Critical patent/EP0140736A2/en
Publication of EP0140736A3 publication Critical patent/EP0140736A3/en
Application granted granted Critical
Publication of EP0140736B1 publication Critical patent/EP0140736B1/en
Expired legal-status Critical Current

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
    • 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
    • F01D11/12—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part
    • 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
EP84401766A 1983-09-21 1984-09-06 Connection and sealing of stator blade sections of a turbine Expired EP0140736B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8314974 1983-09-21
FR8314974A FR2552159B1 (en) 1983-09-21 1983-09-21 DEVICE FOR CONNECTING AND SEALING TURBINE STATOR BLADE SECTIONS

Publications (3)

Publication Number Publication Date
EP0140736A2 EP0140736A2 (en) 1985-05-08
EP0140736A3 true EP0140736A3 (en) 1985-06-05
EP0140736B1 EP0140736B1 (en) 1987-01-07

Family

ID=9292384

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84401766A Expired EP0140736B1 (en) 1983-09-21 1984-09-06 Connection and sealing of stator blade sections of a turbine

Country Status (5)

Country Link
US (1) US4623298A (en)
EP (1) EP0140736B1 (en)
JP (1) JPS60145403A (en)
DE (1) DE3461945D1 (en)
FR (1) FR2552159B1 (en)

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0660563B2 (en) * 1984-08-02 1994-08-10 株式会社東芝 Blade cover
FR2635562B1 (en) * 1988-08-18 1993-12-24 Snecma TURBINE STATOR RING ASSOCIATED WITH A TURBINE HOUSING BINDING SUPPORT
US5197281A (en) * 1990-04-03 1993-03-30 General Electric Company Interstage seal arrangement for airfoil stages of turbine engine counterrotating rotors
FR2661345B1 (en) * 1990-04-25 1992-07-03 Snecma DEVICE FOR AUTOMATED POINTING OF WAFERS ON BLADES OF A TURBOMACHINE AND CORRESPONDING METHOD.
DE4015206C1 (en) * 1990-05-11 1991-10-17 Mtu Muenchen Gmbh
DE4017861A1 (en) * 1990-06-02 1991-12-05 Mtu Muenchen Gmbh CONDUCTING WREATH FOR A GAS TURBINE
DE59202211D1 (en) * 1991-08-08 1995-06-22 Asea Brown Boveri Cover sheet for turbine with axial flow.
EP0536575B1 (en) * 1991-10-08 1995-04-05 Asea Brown Boveri Ag Shroud band for axial flow turbine
SE500743C2 (en) * 1992-04-01 1994-08-22 Abb Carbon Ab Method and apparatus for mounting axial flow machine
US5702050A (en) * 1995-04-28 1997-12-30 Mitsubishi Jukogyo Kabushiki Kaisha Method of brazing a honeycomb
JP3327814B2 (en) * 1997-06-18 2002-09-24 三菱重工業株式会社 Gas turbine sealing device
DE19828817C2 (en) * 1998-06-27 2000-07-13 Mtu Muenchen Gmbh Rotor for a turbo machine
RU2150627C1 (en) * 1999-03-31 2000-06-10 Государственное научно-производственное предприятие "Мотор" Cellular packing primarily for steam turbine
US6290459B1 (en) * 1999-11-01 2001-09-18 General Electric Company Stationary flowpath components for gas turbine engines
ATE420272T1 (en) * 1999-12-20 2009-01-15 Sulzer Metco Ag PROFILED SURFACE USED AS A SCRUB COATING IN FLOW MACHINES
DE10038452B4 (en) * 2000-08-07 2011-05-26 Alstom Technology Ltd. Sealing of a thermal turbomachine
JP2002201913A (en) * 2001-01-09 2002-07-19 Mitsubishi Heavy Ind Ltd Split wall of gas turbine and shroud
JP4494658B2 (en) * 2001-02-06 2010-06-30 三菱重工業株式会社 Gas turbine stationary blade shroud
ITMI20021219A1 (en) 2002-06-05 2003-12-05 Nuovo Pignone Spa SIMPLIFIED SUPPORT DEVICE FOR NOZZLES OF A STAGE OF A GAS TURBINE
US6910854B2 (en) * 2002-10-08 2005-06-28 United Technologies Corporation Leak resistant vane cluster
US7059821B2 (en) * 2003-05-07 2006-06-13 General Electric Company Method and apparatus to facilitate sealing within turbines
GB0505978D0 (en) * 2005-03-24 2005-04-27 Alstom Technology Ltd Interlocking turbine blades
WO2008122507A1 (en) * 2007-04-05 2008-10-16 Alstom Technology Ltd Shiplap arrangement
EP1995413B1 (en) * 2007-04-05 2010-04-28 ALSTOM Technology Ltd Gap seal for airfoils of a turbomachine
US20090097979A1 (en) * 2007-07-31 2009-04-16 Omer Duane Erdmann Rotor blade
US8534993B2 (en) * 2008-02-13 2013-09-17 United Technologies Corp. Gas turbine engines and related systems involving blade outer air seals
FR2928963B1 (en) * 2008-03-19 2017-12-08 Snecma TURBINE DISPENSER FOR A TURBOMACHINE.
FR2930592B1 (en) * 2008-04-24 2010-04-30 Snecma TURBINE DISPENSER FOR A TURBOMACHINE
US8608424B2 (en) * 2009-10-09 2013-12-17 General Electric Company Contoured honeycomb seal for a turbomachine
US8939715B2 (en) * 2010-03-22 2015-01-27 General Electric Company Active tip clearance control for shrouded gas turbine blades and related method
US8444371B2 (en) 2010-04-09 2013-05-21 General Electric Company Axially-oriented cellular seal structure for turbine shrouds and related method
US8961135B2 (en) 2011-06-29 2015-02-24 Siemens Energy, Inc. Mateface gap configuration for gas turbine engine
FR2979662B1 (en) * 2011-09-07 2013-09-27 Snecma PROCESS FOR MANUFACTURING TURBINE DISPENSER SECTOR OR COMPRESSOR RECTIFIER OF COMPOSITE MATERIAL FOR TURBOMACHINE AND TURBINE OR COMPRESSOR INCORPORATING A DISPENSER OR RECTIFIER FORMED OF SUCH SECTORS
US9840917B2 (en) * 2011-12-13 2017-12-12 United Technologies Corporation Stator vane shroud having an offset
ITCO20110068A1 (en) * 2011-12-20 2013-06-21 Nuovo Pignone Spa METHOD AND SEALING WITH HONEYCOMB NEST
US20140037438A1 (en) * 2012-07-31 2014-02-06 General Electric Company Turbine shroud for a turbomachine
US20140140807A1 (en) * 2012-11-19 2014-05-22 General Electric Company Turbine shroud arrangement for a turbine system and method of controlling a turbine shroud arrangement
US9039357B2 (en) * 2013-01-23 2015-05-26 Siemens Aktiengesellschaft Seal assembly including grooves in a radially outwardly facing side of a platform in a gas turbine engine
JP6184173B2 (en) * 2013-05-29 2017-08-23 三菱日立パワーシステムズ株式会社 gas turbine
EP2808491A1 (en) * 2013-05-29 2014-12-03 Alstom Technology Ltd Stator vane and corresponding assembly
US9844826B2 (en) 2014-07-25 2017-12-19 Honeywell International Inc. Methods for manufacturing a turbine nozzle with single crystal alloy nozzle segments
US10443736B2 (en) * 2015-10-01 2019-10-15 United Technologies Corporation Expansion seal
US10690251B2 (en) 2016-09-23 2020-06-23 General Electric Company Labyrinth seal system and an associated method thereof
FR3058756B1 (en) 2016-11-15 2020-10-16 Safran Aircraft Engines TURBINE FOR TURBOMACHINE
FR3064669B1 (en) * 2017-03-31 2020-11-13 Safran Aircraft Engines SEALING DEVICE FOR A TURBOMACHINE WITH ABRADABLE COATING
FR3081499B1 (en) * 2018-05-23 2021-05-28 Safran Aircraft Engines TURBOMACHINE BLADE ANGULAR SECTOR WITH IMPROVED WATERPROOFING
FR3081500B1 (en) * 2018-05-23 2020-05-22 Safran Aircraft Engines ANGULAR BLADE SECTOR OF IMPROVED SEALING TURBOMACHINE
IT201900014724A1 (en) 2019-08-13 2021-02-13 Ge Avio Srl Elements for retaining blades for turbomachinery.
IT201900014739A1 (en) 2019-08-13 2021-02-13 Ge Avio Srl Elements for retaining blades for turbomachinery.
IT201900014736A1 (en) 2019-08-13 2021-02-13 Ge Avio Srl Integral sealing elements for blades held in a rotatable annular outer drum rotor in a turbomachinery.
JP2021110291A (en) * 2020-01-10 2021-08-02 三菱重工業株式会社 Rotor blade and axial flow rotary machine

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH91210A (en) * 1920-01-10 1921-10-17 Schneider & Cie Steam or gas turbine wheel, the blades of which are bound by a segmented strapping tape.
US2510734A (en) * 1946-04-06 1950-06-06 United Aircraft Corp Turbine or compressor rotor
FR1519898A (en) * 1967-02-24 1968-04-05 Creusot Forges Ateliers Improvements to mobile twist blades of turbo-machines
DE1816066A1 (en) * 1967-12-22 1969-08-07 Rolls Royce Bucket for flow machines
US3867061A (en) * 1973-12-26 1975-02-18 Curtiss Wright Corp Shroud structure for turbine rotor blades and the like
US4076455A (en) * 1976-06-28 1978-02-28 United Technologies Corporation Rotor blade system for a gas turbine engine
EP0017534A1 (en) * 1979-03-27 1980-10-15 Societe Nationale D'etude Et De Construction De Moteurs D'aviation, "S.N.E.C.M.A." Exchangeable sealing for the stator segment of a turbomachine
GB2072760A (en) * 1980-03-29 1981-10-07 Rolls Royce Shrouded turbine rotor blade
FR2514409A1 (en) * 1981-10-09 1983-04-15 Snecma DEVICE FOR IMPLANTING AUBES IN SECTIONS ON A TURBOMACHINE ROTOR DISK

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2997275A (en) * 1959-03-23 1961-08-22 Westinghouse Electric Corp Stator structure for axial-flow fluid machine
FR1331030A (en) * 1961-08-24 1963-06-28 Gen Electric Distributor blade assembly
CH482915A (en) * 1967-11-03 1969-12-15 Sulzer Ag Guide device for axial turbine
GB1483532A (en) * 1974-09-13 1977-08-24 Rolls Royce Stator structure for a gas turbine engine
FR2435534A1 (en) * 1978-07-25 1980-04-04 Snecma NOVEL METAL POROUS BODIES AND THEIR PREPARATION PROCESS
US4346904A (en) * 1980-11-26 1982-08-31 Watkins Jr Shelton Honeycomb structure for use in abradable seals

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH91210A (en) * 1920-01-10 1921-10-17 Schneider & Cie Steam or gas turbine wheel, the blades of which are bound by a segmented strapping tape.
US2510734A (en) * 1946-04-06 1950-06-06 United Aircraft Corp Turbine or compressor rotor
FR1519898A (en) * 1967-02-24 1968-04-05 Creusot Forges Ateliers Improvements to mobile twist blades of turbo-machines
DE1816066A1 (en) * 1967-12-22 1969-08-07 Rolls Royce Bucket for flow machines
US3867061A (en) * 1973-12-26 1975-02-18 Curtiss Wright Corp Shroud structure for turbine rotor blades and the like
US4076455A (en) * 1976-06-28 1978-02-28 United Technologies Corporation Rotor blade system for a gas turbine engine
EP0017534A1 (en) * 1979-03-27 1980-10-15 Societe Nationale D'etude Et De Construction De Moteurs D'aviation, "S.N.E.C.M.A." Exchangeable sealing for the stator segment of a turbomachine
GB2072760A (en) * 1980-03-29 1981-10-07 Rolls Royce Shrouded turbine rotor blade
FR2514409A1 (en) * 1981-10-09 1983-04-15 Snecma DEVICE FOR IMPLANTING AUBES IN SECTIONS ON A TURBOMACHINE ROTOR DISK

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ENGINEERING, vol. 215, no. 9, septembre 1975, pages 727-731, London, GB; E.S. MOULT: "Seals for rotating shafts" *

Also Published As

Publication number Publication date
EP0140736A2 (en) 1985-05-08
FR2552159B1 (en) 1987-07-10
JPH023008B2 (en) 1990-01-22
EP0140736B1 (en) 1987-01-07
DE3461945D1 (en) 1987-02-12
JPS60145403A (en) 1985-07-31
FR2552159A1 (en) 1985-03-22
US4623298A (en) 1986-11-18

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