EP2378065A3 - Method for repairing a rotor assembly of a turbo engine, ring element for a rotor assembly of a turbo engine and rotor assembly for a turbo engine - Google Patents

Method for repairing a rotor assembly of a turbo engine, ring element for a rotor assembly of a turbo engine and rotor assembly for a turbo engine Download PDF

Info

Publication number
EP2378065A3
EP2378065A3 EP11161686.8A EP11161686A EP2378065A3 EP 2378065 A3 EP2378065 A3 EP 2378065A3 EP 11161686 A EP11161686 A EP 11161686A EP 2378065 A3 EP2378065 A3 EP 2378065A3
Authority
EP
European Patent Office
Prior art keywords
rotor assembly
turbo engine
repairing
ring element
groove
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
EP11161686.8A
Other languages
German (de)
French (fr)
Other versions
EP2378065A2 (en
EP2378065B1 (en
Inventor
Christian Heinzelmaier
Michael Raiche
Knut Werner
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 EP2378065A2 publication Critical patent/EP2378065A2/en
Publication of EP2378065A3 publication Critical patent/EP2378065A3/en
Application granted granted Critical
Publication of EP2378065B1 publication Critical patent/EP2378065B1/en
Not-in-force 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
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/005—Repairing methods or devices
    • 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
    • F01D5/02—Blade-carrying members, e.g. rotors
    • 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
    • F05D2230/80—Repairing, retrofitting or upgrading methods
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49316—Impeller making
    • Y10T29/49318—Repairing or disassembling

Landscapes

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

Abstract

Die vorliegende Erfindung schafft ein Verfahren zur Reparatur einer Rotoranordnung (2) einer Turbomaschine, welche einen Rotor (4) mit einer sich in dessen Umfangsrichtung (58) erstreckenden Nut (26) zur Aufnahme eines Ringabschnitts (18; 28) aufweist, mit den folgenden Schritten: Verrunden einer Kerbe (40) in der Nut (26); Einarbeiten einer Ausnehmung (44) in die Nut (26); und Einsetzen des Ringabschnitts (18; 28) in die Nut (26), wobei wenigstens ein an dem Ringabschnitt (18; 28) ausgebildetes Eingriffselement (48, 49) in die Ausnehmung (44) zum Bilden einer Verdrehsicherung in der Umfangsrichtung (58) eingreift.

Figure imgaf001
The present invention provides a method of repairing a rotor assembly (2) of a turbomachine comprising a rotor (4) having a groove (26) extending in the circumferential direction (58) thereof for receiving a ring portion (18; Steps: rounding a notch (40) in the groove (26); Incorporating a recess (44) in the groove (26); and inserting the ring portion (18; 28) into the groove (26), wherein at least one engaging element (48,49) formed on the ring portion (18; 28) enters the recess (44) for preventing rotation in the circumferential direction (58). intervenes.
Figure imgaf001
EP11161686.8A 2010-04-19 2011-04-08 Method for repairing a rotor assembly of a turbo engine. Not-in-force EP2378065B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201010015404 DE102010015404B4 (en) 2010-04-19 2010-04-19 Method for repairing a rotor assembly of a turbomachine, ring element for a rotor assembly of a turbomachine and rotor assembly for a turbomachine

Publications (3)

Publication Number Publication Date
EP2378065A2 EP2378065A2 (en) 2011-10-19
EP2378065A3 true EP2378065A3 (en) 2015-02-11
EP2378065B1 EP2378065B1 (en) 2016-03-23

Family

ID=44533437

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11161686.8A Not-in-force EP2378065B1 (en) 2010-04-19 2011-04-08 Method for repairing a rotor assembly of a turbo engine.

Country Status (4)

Country Link
US (1) US8899919B2 (en)
EP (1) EP2378065B1 (en)
CA (1) CA2737676A1 (en)
DE (1) DE102010015404B4 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2604792B1 (en) * 2011-12-15 2015-11-04 MTU Aero Engines GmbH Method for repairing a component of a gas turbine engine and associated repaired component
JP5675674B2 (en) 2012-02-29 2015-02-25 三菱重工業株式会社 Turbine blade retaining structure and rotating machine having the same
FR3021064B1 (en) * 2014-05-16 2020-05-29 Safran Aircraft Engines BALANCING DISC AND METHOD
FR3027071B1 (en) * 2014-10-13 2019-08-23 Safran Aircraft Engines METHOD OF INTERVENTION ON A ROTOR AND ASSOCIATED CLINKER
US11098729B2 (en) 2016-08-04 2021-08-24 General Electric Company Gas turbine wheel assembly, method of modifying a compressor wheel, and method of mounting a blade to a gas turbine wheel
CN115178962A (en) * 2022-07-20 2022-10-14 华能国际电力股份有限公司 Device for repairing damage of fir tree blade root wheel disc and assembly method
CN115106715B (en) * 2022-07-20 2023-05-05 华能国际电力股份有限公司 Device for repairing damage of fork-shaped blade root wheel disc and assembly method
CN115194402A (en) * 2022-07-20 2022-10-18 华能国际电力股份有限公司 A method of repairing roulette parts
CN114986078B (en) * 2022-07-20 2023-05-05 华能国际电力股份有限公司 Device for repairing damage of T-shaped blade root wheel disc and assembly method
CN115213627B (en) * 2022-07-20 2023-05-05 华能国际电力股份有限公司 Device for repairing damage of bacterial blade root wheel disc and assembly method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4817455A (en) * 1987-10-15 1989-04-04 United Technologies Corporation Gas turbine engine balancing
US5733103A (en) * 1996-12-17 1998-03-31 General Electric Company Vibration damper for a turbine engine
EP1188900A2 (en) * 2000-09-15 2002-03-20 General Electric Company Balancing method for a blisk
EP2119870A2 (en) * 2008-05-12 2009-11-18 The John Wood Group, PLC Methods of Maintaining Turbine Discs to Avert Critical Bucket Attachment Dovetail Cracks

Family Cites Families (17)

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Publication number Priority date Publication date Assignee Title
US512813A (en) * 1894-01-16 Charles f
US3501249A (en) * 1968-06-24 1970-03-17 Westinghouse Electric Corp Side plates for turbine blades
US3656865A (en) * 1970-07-21 1972-04-18 Gen Motors Corp Rotor blade retainer
US5123813A (en) 1991-03-01 1992-06-23 General Electric Company Apparatus for preloading an airfoil blade in a gas turbine engine
FR2679599A1 (en) * 1991-07-24 1993-01-29 Snecma IMPROVEMENT IN BLADES OF TURBOMACHINES.
FR2812906B1 (en) * 2000-08-10 2002-09-20 Snecma Moteurs AXIAL RETAINER RING OF A FLANGE ON A DISC
DE10163951C1 (en) * 2001-12-22 2002-12-19 Mtu Aero Engines Gmbh Metal rotor disc e.g. for gas turbine axial compressor, has localised fibre reinforcement provided by separate metal matrix composite rings
US6884028B2 (en) * 2002-09-30 2005-04-26 General Electric Company Turbomachinery blade retention system
FR2850130B1 (en) * 2003-01-16 2006-01-20 Snecma Moteurs DEVICE FOR RETAINING AN ANNULAR FLASK AGAINST A RADIAL FACE OF A DISK
FR2888897B1 (en) * 2005-07-21 2007-10-19 Snecma DEVICE FOR DAMPING THE VIBRATION OF AN AXIAL RETAINING RING OF BLOWER BLADES OF A TURBOMACHINE
US7500832B2 (en) * 2006-07-06 2009-03-10 Siemens Energy, Inc. Turbine blade self locking seal plate system
US20090053064A1 (en) * 2006-09-01 2009-02-26 Ress Jr Robert A Fan blade retention system
FR2918106B1 (en) * 2007-06-27 2011-05-06 Snecma AXIS RETAINING DEVICE OF AUBES MOUNTED ON A TURBOMACHINE ROTOR DISC.
FR2930603B1 (en) * 2008-04-24 2010-04-30 Snecma AXIAL RETAINING DEVICE FOR MOBILE AUBES ON A ROTOR DISC
ATE523659T1 (en) * 2008-07-30 2011-09-15 Siemens Ag FASTENING ARRANGEMENT FOR FASTENING A BLADE TO A ROTOR OF A TURBO MACHINE
US8870544B2 (en) * 2010-07-29 2014-10-28 United Technologies Corporation Rotor cover plate retention method
JP5675674B2 (en) * 2012-02-29 2015-02-25 三菱重工業株式会社 Turbine blade retaining structure and rotating machine having the same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4817455A (en) * 1987-10-15 1989-04-04 United Technologies Corporation Gas turbine engine balancing
US5733103A (en) * 1996-12-17 1998-03-31 General Electric Company Vibration damper for a turbine engine
EP1188900A2 (en) * 2000-09-15 2002-03-20 General Electric Company Balancing method for a blisk
EP2119870A2 (en) * 2008-05-12 2009-11-18 The John Wood Group, PLC Methods of Maintaining Turbine Discs to Avert Critical Bucket Attachment Dovetail Cracks

Also Published As

Publication number Publication date
US8899919B2 (en) 2014-12-02
EP2378065A2 (en) 2011-10-19
US20110255980A1 (en) 2011-10-20
DE102010015404B4 (en) 2012-02-16
DE102010015404A1 (en) 2011-10-20
CA2737676A1 (en) 2011-10-19
EP2378065B1 (en) 2016-03-23

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