EP1081336A3 - Gebauter Leitkranz für eine Gasturbine - Google Patents

Gebauter Leitkranz für eine Gasturbine Download PDF

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Publication number
EP1081336A3
EP1081336A3 EP00115821A EP00115821A EP1081336A3 EP 1081336 A3 EP1081336 A3 EP 1081336A3 EP 00115821 A EP00115821 A EP 00115821A EP 00115821 A EP00115821 A EP 00115821A EP 1081336 A3 EP1081336 A3 EP 1081336A3
Authority
EP
European Patent Office
Prior art keywords
ring assembly
gas turbines
vane ring
airfoil
shroud
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
EP00115821A
Other languages
English (en)
French (fr)
Other versions
EP1081336B1 (de
EP1081336A2 (de
Inventor
Richard Scharl
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.)
MTU Aero Engines AG
Original Assignee
MTU Aero Engines GmbH
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 MTU Aero Engines GmbH filed Critical MTU Aero Engines GmbH
Publication of EP1081336A2 publication Critical patent/EP1081336A2/de
Publication of EP1081336A3 publication Critical patent/EP1081336A3/de
Application granted granted Critical
Publication of EP1081336B1 publication Critical patent/EP1081336B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F01D9/00—Stators
    • F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
    • F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
    • F01D9/042—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector fixing blades to stators
    • F01D9/044—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector fixing blades to stators permanently, e.g. by welding, brazing, casting or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

Die Erfindung betrifft einen gebauten Leitkranz für eine Gasturbine, insbesondere ein Flugtriebwerk, umfassend wenigstens ein Deckband (1) mit einer Umfangsfläche (10) und wenigstens ein Schaufelblatt (2) mit einer Oberfläche (8), wobei das Deckband (1) wenigstens einen Durchbruch (4) zur Befestigung des Schaufelblatts (2) aufweist und wobei das Schaufelblatt (2) an wenigstens einem Endabschnitt (3) eine zumindest abschnittsweise über dessen Umfang (7) vorstehende, eine Übergangskrümmung (9) aufweisende Plattform (5) aufweist, die in den Durchbruch (4) eingesetzt ist
EP00115821A 1999-08-30 2000-07-22 Gebauter Leitkranz für eine Gasturbine Expired - Lifetime EP1081336B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19941133A DE19941133C1 (de) 1999-08-30 1999-08-30 Gebauter Leitkranz für eine Gasturbine, insbesondere ein Flugtriebwerk
DE19941133 1999-08-30

Publications (3)

Publication Number Publication Date
EP1081336A2 EP1081336A2 (de) 2001-03-07
EP1081336A3 true EP1081336A3 (de) 2003-10-01
EP1081336B1 EP1081336B1 (de) 2005-02-02

Family

ID=7920103

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00115821A Expired - Lifetime EP1081336B1 (de) 1999-08-30 2000-07-22 Gebauter Leitkranz für eine Gasturbine

Country Status (3)

Country Link
US (1) US6543998B1 (de)
EP (1) EP1081336B1 (de)
DE (2) DE19941133C1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2899269A1 (fr) * 2006-03-30 2007-10-05 Snecma Sa Aube de redresseur optimisee, secteur de redresseurs, etage de compression, compresseur et turbomachine comportant une telle aube
FR2899270A1 (fr) * 2006-03-30 2007-10-05 Snecma Sa Aube de redresseur a amenagement de forme localise, secteur de redresseurs, etage de compression, compresseur et turbomachine comportant une telle aube
US7748956B2 (en) * 2006-12-19 2010-07-06 United Technologies Corporation Non-stablug stator apparatus and assembly method
US8740557B2 (en) * 2009-10-01 2014-06-03 Pratt & Whitney Canada Corp. Fabricated static vane ring
US8920117B2 (en) * 2011-10-07 2014-12-30 Pratt & Whitney Canada Corp. Fabricated gas turbine duct
US9840929B2 (en) * 2013-05-28 2017-12-12 Pratt & Whitney Canada Corp. Gas turbine engine vane assembly and method of mounting same
US9869190B2 (en) 2014-05-30 2018-01-16 General Electric Company Variable-pitch rotor with remote counterweights
US20160017731A1 (en) * 2014-07-17 2016-01-21 Rolls-Royce Corporation Vane assembly
US10072510B2 (en) 2014-11-21 2018-09-11 General Electric Company Variable pitch fan for gas turbine engine and method of assembling the same
US9988918B2 (en) * 2015-05-01 2018-06-05 General Electric Company Compressor system and airfoil assembly
US10100653B2 (en) 2015-10-08 2018-10-16 General Electric Company Variable pitch fan blade retention system
US11674435B2 (en) 2021-06-29 2023-06-13 General Electric Company Levered counterweight feathering system
US11795964B2 (en) 2021-07-16 2023-10-24 General Electric Company Levered counterweight feathering system
US12601271B2 (en) 2022-10-21 2026-04-14 General Electric Company Variable pitch fan of a gas turbine engine
US12492643B1 (en) 2024-07-29 2025-12-09 Pratt & Whitney Canada Corp. Extended banana foot stator

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2681788A (en) * 1951-05-23 1954-06-22 Solar Aircraft Co Gas turbine vane structure
FR1095927A (fr) * 1953-02-02 1955-06-07 Bristol Aeroplane Co Ltd Perfectionnements apportés au montage des aubes à profil d'aile dans les compresseurs et autres applications
FR1389254A (fr) * 1963-04-08 1965-02-12 Rolls Royce Compresseur pour moteur à turbine à gaz
DE1200070B (de) * 1961-11-21 1965-09-02 Siemens Ag Verfahren zum Herstellen von Leitschaufel-kranzsegmenten fuer Gasturbinen
US5474419A (en) * 1992-12-30 1995-12-12 Reluzco; George Flowpath assembly for a turbine diaphragm and methods of manufacture
EP0704602A2 (de) * 1994-08-30 1996-04-03 Gec Alsthom Limited Turbinenschaufel
US5765993A (en) * 1996-09-27 1998-06-16 Chromalloy Gas Turbine Corporation Replacement vane assembly for fan exit guide

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4260327A (en) * 1979-07-25 1981-04-07 General Electric Company Guide vane assembly for reverse flow cooled dynamoelectric machine
DE3514122A1 (de) * 1985-04-19 1986-10-23 MAN Gutehoffnungshütte GmbH, 4200 Oberhausen Verfahren zur herstellung einer leitschaufel fuer ein turbinen- oder verdichter-leitrad und nach dem verfahren hergestellte leitschaufel

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2681788A (en) * 1951-05-23 1954-06-22 Solar Aircraft Co Gas turbine vane structure
FR1095927A (fr) * 1953-02-02 1955-06-07 Bristol Aeroplane Co Ltd Perfectionnements apportés au montage des aubes à profil d'aile dans les compresseurs et autres applications
DE1200070B (de) * 1961-11-21 1965-09-02 Siemens Ag Verfahren zum Herstellen von Leitschaufel-kranzsegmenten fuer Gasturbinen
FR1389254A (fr) * 1963-04-08 1965-02-12 Rolls Royce Compresseur pour moteur à turbine à gaz
US5474419A (en) * 1992-12-30 1995-12-12 Reluzco; George Flowpath assembly for a turbine diaphragm and methods of manufacture
EP0704602A2 (de) * 1994-08-30 1996-04-03 Gec Alsthom Limited Turbinenschaufel
US5765993A (en) * 1996-09-27 1998-06-16 Chromalloy Gas Turbine Corporation Replacement vane assembly for fan exit guide

Also Published As

Publication number Publication date
EP1081336B1 (de) 2005-02-02
EP1081336A2 (de) 2001-03-07
DE50009400D1 (de) 2005-03-10
DE19941133C1 (de) 2000-12-28
US6543998B1 (en) 2003-04-08

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