EP2873808A1 - Composé aubes-disques, procédé et turbomachine - Google Patents

Composé aubes-disques, procédé et turbomachine Download PDF

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Publication number
EP2873808A1
EP2873808A1 EP20140193324 EP14193324A EP2873808A1 EP 2873808 A1 EP2873808 A1 EP 2873808A1 EP 20140193324 EP20140193324 EP 20140193324 EP 14193324 A EP14193324 A EP 14193324A EP 2873808 A1 EP2873808 A1 EP 2873808A1
Authority
EP
European Patent Office
Prior art keywords
blade
blades
groove
circumferential
disc
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
EP20140193324
Other languages
German (de)
English (en)
Other versions
EP2873808B1 (fr
Inventor
Werner Humhauser
Hermann Klingels
Alexander Klötzer
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 EP2873808A1 publication Critical patent/EP2873808A1/fr
Application granted granted Critical
Publication of EP2873808B1 publication Critical patent/EP2873808B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F01D5/30—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
    • F01D5/3038—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses in a circumferential slot the slot having inwardly directed abutment faces on both sides
    • 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
    • F01D5/147—Construction, i.e. structural features, e.g. of weight-saving hollow 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
    • 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
    • F01D5/32—Locking, e.g. by final locking blades or keys
    • 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
    • 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
    • Y10T29/4932—Turbomachine making
    • Y10T29/49321—Assembling individual fluid flow interacting members, e.g., blades, vanes, buckets, on rotary support member

Definitions

  • the circumferential securing element 56 is inserted endwise into two mutually aligned wall-side receivers 60 and is supported in the installed state on a tilt-out securing element 38 with its bearing surface 57.
  • the receptacles 60 are here axial downgradings of the opposite bearing portions 24, 26.
  • the receptacles 60 in the region of the bearing portions 24, 26 are formed and enforce them in the radial direction, so that on the one hand the walls 18, 20 are not weakened and the other Circumferential securing element 56 can be used radially from outside to inside.
  • the closure member 62 To cooperate with the sealing blade 11 as the closure member 62 has a centrally disposed tab 82, which is transferred via a plastic deformation of a release position a in a locking position b.
  • the tab 82 is an integral portion of the support portion 80 and disposed in the release position a in an opening 84. As a result, the tab 82 is flush with the support portion 80 in the release position a, which simplifies the assembly of the shutter blade 11 and the adjacent blades 8, 10. In particular, the tab 82 traces the course of the contact section 80.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP14193324.2A 2013-11-19 2014-11-14 Composé aubes-disques, procédé et turbomachine Not-in-force EP2873808B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013223583.6A DE102013223583A1 (de) 2013-11-19 2013-11-19 Schaufel-Scheiben-Verbund, Verfahren und Strömungsmaschine

Publications (2)

Publication Number Publication Date
EP2873808A1 true EP2873808A1 (fr) 2015-05-20
EP2873808B1 EP2873808B1 (fr) 2018-01-17

Family

ID=51897190

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14193324.2A Not-in-force EP2873808B1 (fr) 2013-11-19 2014-11-14 Composé aubes-disques, procédé et turbomachine

Country Status (3)

Country Link
US (1) US10041363B2 (fr)
EP (1) EP2873808B1 (fr)
DE (1) DE102013223583A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10753213B2 (en) 2017-05-03 2020-08-25 MTU Aero Engines AG Wear-resistant shield for a rotating blade of a gas turbine

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB630732A (en) 1946-06-21 1949-10-20 Brush Electrical Eng An improved blade fixing for turbines and the like
US3282561A (en) 1964-12-14 1966-11-01 Associated Electric Ind Ltd Turbine rotors
US4255086A (en) 1979-06-27 1981-03-10 Pratt & Whitney Aircraft Of Canada Limited Locking device for blade mounting
JPH06212905A (ja) * 1993-01-19 1994-08-02 Fuji Electric Co Ltd 動翼翼列の固定翼
DE69900008T2 (de) * 1998-03-12 2001-04-05 Snecma Moteurs, Paris Dichtring für die Schaufeln einer Turbomaschinenstufe
DE10346263A1 (de) 2003-10-06 2005-04-28 Alstom Technology Ltd Baden Schaufelfußbefestigung
DE60202738T2 (de) 2001-11-22 2006-03-30 Snecma Moteurs Vorrichtung zur Sicherung von Laufschaufeln in einer Nut einer Rotorscheibe
DE102004051116A1 (de) 2004-10-20 2006-04-27 Mtu Aero Engines Gmbh Rotor einer Turbomaschine, insbesondere Gasturbinenrotor
DE102005003511A1 (de) 2005-01-26 2006-07-27 Mtu Aero Engines Gmbh Rotor einer Turbomaschine, insbesondere Gasturbinenrotor
DE60116460T2 (de) 2000-06-15 2006-09-07 Snecma Schloss zur Sicherung von Laufschaufeln
EP1801355A1 (fr) 2005-12-23 2007-06-27 Techspace aero Dispositif pour bloquer les aubes d'un disque de turbomachine
US20100296936A1 (en) * 2009-05-20 2010-11-25 General Electric Company Low stress circumferential dovetail attachment for rotor blades
EP2320030A1 (fr) * 2009-11-10 2011-05-11 Alstom Technology Ltd Rotor et aube de rotor pour une turbomachine axiale
FR2965008A1 (fr) 2010-09-16 2012-03-23 Snecma Disque a aubes pour rotor de turbomachine, et turbomachine equipee d'un tel disque

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3383094A (en) * 1967-01-19 1968-05-14 Gen Electric Rotor blade locking means
US3902824A (en) * 1974-07-29 1975-09-02 Gen Motors Corp Blade lock
GB2097480B (en) * 1981-04-29 1984-06-06 Rolls Royce Rotor blade fixing in circumferential slot
USH1258H (en) * 1992-09-16 1993-12-07 The United States Of America As Represented By The Secretary Of The Air Force Blade lock screw
US6761538B2 (en) * 2002-10-31 2004-07-13 General Electric Company Continual radial loading device for steam turbine reaction type buckets and related method
US8206116B2 (en) * 2005-07-14 2012-06-26 United Technologies Corporation Method for loading and locking tangential rotor blades and blade design
US8414268B2 (en) * 2009-11-19 2013-04-09 United Technologies Corporation Rotor with one-sided load and lock slots
FR2971541B1 (fr) * 2011-02-16 2013-03-22 Snecma Dispositif de blocage circonferentiel d'aubes pour turbomachine, a deploiement radial par depliage d'un u

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB630732A (en) 1946-06-21 1949-10-20 Brush Electrical Eng An improved blade fixing for turbines and the like
US3282561A (en) 1964-12-14 1966-11-01 Associated Electric Ind Ltd Turbine rotors
US4255086A (en) 1979-06-27 1981-03-10 Pratt & Whitney Aircraft Of Canada Limited Locking device for blade mounting
JPH06212905A (ja) * 1993-01-19 1994-08-02 Fuji Electric Co Ltd 動翼翼列の固定翼
DE69900008T2 (de) * 1998-03-12 2001-04-05 Snecma Moteurs, Paris Dichtring für die Schaufeln einer Turbomaschinenstufe
DE60116460T2 (de) 2000-06-15 2006-09-07 Snecma Schloss zur Sicherung von Laufschaufeln
DE60202738T2 (de) 2001-11-22 2006-03-30 Snecma Moteurs Vorrichtung zur Sicherung von Laufschaufeln in einer Nut einer Rotorscheibe
DE10346263A1 (de) 2003-10-06 2005-04-28 Alstom Technology Ltd Baden Schaufelfußbefestigung
DE102004051116A1 (de) 2004-10-20 2006-04-27 Mtu Aero Engines Gmbh Rotor einer Turbomaschine, insbesondere Gasturbinenrotor
DE102005003511A1 (de) 2005-01-26 2006-07-27 Mtu Aero Engines Gmbh Rotor einer Turbomaschine, insbesondere Gasturbinenrotor
EP1801355A1 (fr) 2005-12-23 2007-06-27 Techspace aero Dispositif pour bloquer les aubes d'un disque de turbomachine
US20100296936A1 (en) * 2009-05-20 2010-11-25 General Electric Company Low stress circumferential dovetail attachment for rotor blades
EP2320030A1 (fr) * 2009-11-10 2011-05-11 Alstom Technology Ltd Rotor et aube de rotor pour une turbomachine axiale
FR2965008A1 (fr) 2010-09-16 2012-03-23 Snecma Disque a aubes pour rotor de turbomachine, et turbomachine equipee d'un tel disque

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10753213B2 (en) 2017-05-03 2020-08-25 MTU Aero Engines AG Wear-resistant shield for a rotating blade of a gas turbine

Also Published As

Publication number Publication date
US20150139811A1 (en) 2015-05-21
EP2873808B1 (fr) 2018-01-17
DE102013223583A1 (de) 2015-05-21
US10041363B2 (en) 2018-08-07

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