EP3287604A3 - Positionierungselement mit aussparungen für eine leitschaufelanordnung - Google Patents

Positionierungselement mit aussparungen für eine leitschaufelanordnung Download PDF

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Publication number
EP3287604A3
EP3287604A3 EP17184378.2A EP17184378A EP3287604A3 EP 3287604 A3 EP3287604 A3 EP 3287604A3 EP 17184378 A EP17184378 A EP 17184378A EP 3287604 A3 EP3287604 A3 EP 3287604A3
Authority
EP
European Patent Office
Prior art keywords
positioning element
base portion
recesses
guide vane
vane assembly
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
EP17184378.2A
Other languages
English (en)
French (fr)
Other versions
EP3287604A2 (de
EP3287604B1 (de
Inventor
Lothar Albers
Alexander Böck
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 AG
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 AG filed Critical MTU Aero Engines AG
Publication of EP3287604A2 publication Critical patent/EP3287604A2/de
Publication of EP3287604A3 publication Critical patent/EP3287604A3/de
Application granted granted Critical
Publication of EP3287604B1 publication Critical patent/EP3287604B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
    • F01D25/246—Fastening of diaphragms or stator-rings
    • 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
    • F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
    • F01D5/3023—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses
    • F01D5/303—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses in a circumferential slot
    • 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
    • F01D9/041—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector using blades
    • 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
    • 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
    • F05D2230/00—Manufacture
    • F05D2230/60—Assembly methods
    • F05D2230/64—Assembly methods using positioning or alignment devices for aligning or centring, e.g. pins
    • F05D2230/644—Assembly methods using positioning or alignment devices for aligning or centring, e.g. pins for adjusting the position or the alignment, e.g. wedges or eccenters
    • 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
    • F05D2240/00—Components
    • F05D2240/10—Stators
    • F05D2240/14—Casings or housings protecting or supporting assemblies within
    • 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
    • F05D2250/00—Geometry
    • F05D2250/10—Two-dimensional
    • F05D2250/14—Two-dimensional elliptical
    • F05D2250/141—Two-dimensional elliptical circular
    • 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
    • F05D2260/94—Functionality given by mechanical stress related aspects such as low cycle fatigue [LCF] of high cycle fatigue [HCF]
    • F05D2260/941—Functionality given by mechanical stress related aspects such as low cycle fatigue [LCF] of high cycle fatigue [HCF] particularly aimed at mechanical or thermal stress reduction

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

Die Erfindung betrifft ein Positionierungselement (10) für eine Leitschaufelanordnung einer Leitschaufelstufe einer Gasturbine, mit wenigstens einem in Umfangsrichtung (UR) gekrümmten Basisabschnitt (12); mehreren in Umfangsrichtung (UR) benachbart zueinander am Basisabschnitt (12) angeordneten Aufnahmeöffnungen (14), deren Öffnungsachse im Wesentlichen in Radialrichtung verläuft und die dazu eingerichtet sind, einen jeweiligen radial inneren Leitschaufelabschnitt aufzunehmen; einen am Basisabschnitt (12) vorgesehenen Kopplungsabschnitt (18), der mit einem Dichtungsträger einer Dichtungsanordnung koppelbar oder gekoppelt ist. Erfindungsgemäß wird vorgeschlagen, dass im Basisabschnitt (12) wenigstens eine Aussparung (16) vorgesehen ist, die zwischen zwei benachbarten Aufnahmeöffnungen (14) angeordnet ist und zumindest in Radialrichtung (RR) von innen nach außen verläuft.
EP17184378.2A 2016-08-23 2017-08-02 Positionierungselement mit aussparungen für eine leitschaufelanordnung Active EP3287604B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016215784.1A DE102016215784A1 (de) 2016-08-23 2016-08-23 Positionierungselement mit Aussparungen für eine Leitschaufelanordnung

Publications (3)

Publication Number Publication Date
EP3287604A2 EP3287604A2 (de) 2018-02-28
EP3287604A3 true EP3287604A3 (de) 2018-05-16
EP3287604B1 EP3287604B1 (de) 2020-07-08

Family

ID=59522942

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17184378.2A Active EP3287604B1 (de) 2016-08-23 2017-08-02 Positionierungselement mit aussparungen für eine leitschaufelanordnung

Country Status (3)

Country Link
US (1) US11156127B2 (de)
EP (1) EP3287604B1 (de)
DE (1) DE102016215784A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018203442A1 (de) 2018-03-07 2019-09-12 MTU Aero Engines AG Innenring für eine Turbomaschine, Leitschaufelkranz mit einem Innenring, Turbomaschine und Verfahren zur Herstellung eines Innenrings
US12078071B1 (en) 2023-02-21 2024-09-03 Rolls-Royce Corporation Segmented compressor inner band for variable vanes in gas turbine engines
US11879480B1 (en) 2023-04-07 2024-01-23 Rolls-Royce North American Technologies Inc. Sectioned compressor inner band for variable pitch vane assemblies in gas turbine engines

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2849747A1 (de) * 1978-11-16 1980-05-29 Volkswagenwerk Ag Aus keramischen werkstoffen bestehender axial-leitschaufelkranz fuer gasturbinen
US20070128020A1 (en) * 2005-12-05 2007-06-07 Snecma Bladed stator for a turbo-engine
WO2011157549A1 (en) * 2010-06-17 2011-12-22 Siemens Aktiengesellschaft Platform segment for supporting a nozzle guide vane for a gas turbine and method of cooling thereof
US20120282088A1 (en) * 2011-05-02 2012-11-08 Mtu Aero Engines Gmbh Inner ring for forming a guide blade ring, and guide blade ring and turbomachine

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2724544A (en) * 1951-05-25 1955-11-22 Westinghouse Electric Corp Stator shroud and blade assembly
US3056582A (en) 1960-08-26 1962-10-02 Gen Electric Turbine stator construction
US4076451A (en) * 1976-03-05 1978-02-28 United Technologies Corporation Ceramic turbine stator
DE2848747C2 (de) 1978-11-10 1981-11-26 Compur-Electronic GmbH, 8000 München Einrichtung zum automatischen Alarmauslösen mit einem auf Bewegung ansprechenden Bewegungsaufnehmer
US7097422B2 (en) * 2004-02-03 2006-08-29 Honeywell International, Inc. Hoop stress relief mechanism for gas turbine engines
US7229245B2 (en) * 2004-07-14 2007-06-12 Power Systems Mfg., Llc Vane platform rail configuration for reduced airfoil stress
DE102006050907A1 (de) * 2006-10-28 2008-05-15 Man Turbo Ag Leitvorrichtung einer Strömungsmaschine sowie Leitschaufel für eine derartige Leitvorrichtung
US9404374B2 (en) 2008-04-09 2016-08-02 United Technologies Corporation Trunnion hole repair utilizing interference fit inserts
US20110189008A1 (en) 2010-01-29 2011-08-04 General Electric Company Retaining ring for a turbine nozzle with improved thermal isolation
US20140140822A1 (en) * 2012-11-16 2014-05-22 General Electric Company Contoured Stator Shroud
EP2871325B1 (de) * 2013-11-12 2016-04-06 MTU Aero Engines GmbH Innenring einer Strömungsmaschine und Leitrad
EP2966264B1 (de) 2014-07-07 2021-09-22 Safran Aero Boosters SA Laufradschaufelsegment eines Verdichters eines axialen Turbotriebwerks

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2849747A1 (de) * 1978-11-16 1980-05-29 Volkswagenwerk Ag Aus keramischen werkstoffen bestehender axial-leitschaufelkranz fuer gasturbinen
US20070128020A1 (en) * 2005-12-05 2007-06-07 Snecma Bladed stator for a turbo-engine
WO2011157549A1 (en) * 2010-06-17 2011-12-22 Siemens Aktiengesellschaft Platform segment for supporting a nozzle guide vane for a gas turbine and method of cooling thereof
US20120282088A1 (en) * 2011-05-02 2012-11-08 Mtu Aero Engines Gmbh Inner ring for forming a guide blade ring, and guide blade ring and turbomachine

Also Published As

Publication number Publication date
DE102016215784A1 (de) 2018-03-01
EP3287604A2 (de) 2018-02-28
EP3287604B1 (de) 2020-07-08
US11156127B2 (en) 2021-10-26
US20180058263A1 (en) 2018-03-01

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