EP1584793A3 - Turbine blade retaining system - Google Patents

Turbine blade retaining system Download PDF

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Publication number
EP1584793A3
EP1584793A3 EP05006648A EP05006648A EP1584793A3 EP 1584793 A3 EP1584793 A3 EP 1584793A3 EP 05006648 A EP05006648 A EP 05006648A EP 05006648 A EP05006648 A EP 05006648A EP 1584793 A3 EP1584793 A3 EP 1584793A3
Authority
EP
European Patent Office
Prior art keywords
turbine blade
groove
locking
turbine
retaining system
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
EP05006648A
Other languages
German (de)
French (fr)
Other versions
EP1584793B1 (en
EP1584793A2 (en
Inventor
Joana Negulescu
Peter Davison
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.)
Rolls Royce Deutschland Ltd and Co KG
Original Assignee
Rolls Royce Deutschland Ltd and Co KG
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 Rolls Royce Deutschland Ltd and Co KG filed Critical Rolls Royce Deutschland Ltd and Co KG
Publication of EP1584793A2 publication Critical patent/EP1584793A2/en
Publication of EP1584793A3 publication Critical patent/EP1584793A3/en
Application granted granted Critical
Publication of EP1584793B1 publication Critical patent/EP1584793B1/en
Expired - Fee Related 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
    • F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
    • F01D5/32—Locking, e.g. by final locking blades or keys
    • F01D5/326—Locking of axial insertion type blades by other means
    • 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

Landscapes

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

Abstract

Die Erfindung bezieht sich auf eine Turbinenschaufelarretiervorrichtung zur axialen Sicherung einer Turbinenschaufel 1, welche in einer sich axial erstreckenden profilierten Nut 10 einer Turbinenscheibe 6 eingeschoben ist, wobei die Turbinenscheibe 6 mit einer die Nut 10 durchgreifenden, sich radial in der Ebene der Turbinenscheibe 6 erstreckenden Arretierungsnut 8 versehen ist, in der Arretierungsnut 8 ein Arretierungsbolzen 4 eingelegt ist, der Schaufelfuß 3 an seiner Unterseite mit einer mit der Arretierungsnut 8 fluchtenden Kerbe 9 versehen ist, und in radialer Richtung unterhalb des Arretierungsbolzens 4 ein diesen radial nach außen vorspannendes elastisches Element 5 angeordnet ist.

Figure imgaf001
The invention relates to a turbine blade locking device for axially securing a turbine blade 1, which is inserted in an axially extending profiled groove 10 of a turbine disk 6, wherein the turbine disk 6 with a groove 10 extending through, extending radially in the plane of the turbine disk 6 Arretierungsnut 8 is provided in the locking groove 8, a locking pin 4 is inserted, the blade root 3 is provided on its underside with an aligned with the locking groove 8 notch 9, and arranged in the radial direction below the locking pin 4 a radially biasing outwardly elastic element 5 is.
Figure imgaf001
EP05006648A 2004-04-07 2005-03-24 Turbine blade retaining system to axially lock a turbine blade Expired - Fee Related EP1584793B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004017193 2004-04-07
DE102004017193A DE102004017193A1 (en) 2004-04-07 2004-04-07 Turbinenschaufelarretiervorrichtung

Publications (3)

Publication Number Publication Date
EP1584793A2 EP1584793A2 (en) 2005-10-12
EP1584793A3 true EP1584793A3 (en) 2011-02-02
EP1584793B1 EP1584793B1 (en) 2012-07-25

Family

ID=34895510

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05006648A Expired - Fee Related EP1584793B1 (en) 2004-04-07 2005-03-24 Turbine blade retaining system to axially lock a turbine blade

Country Status (3)

Country Link
US (1) US7442011B2 (en)
EP (1) EP1584793B1 (en)
DE (1) DE102004017193A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1860280A1 (en) * 2006-04-07 2007-11-28 Siemens Aktiengesellschaft Locking device of a turbine blade with a locking element
DE102006054154B4 (en) * 2006-11-16 2014-03-13 Man Diesel & Turbo Se turbocharger
GB0914969D0 (en) * 2009-08-28 2009-09-30 Rolls Royce Plc An aerofoil blade assembly
US8523529B2 (en) * 2009-11-11 2013-09-03 General Electric Company Locking spacer assembly for a circumferential entry airfoil attachment system
US8784052B2 (en) * 2010-05-10 2014-07-22 Hamilton Sundstrand Corporation Ceramic gas turbine shroud
US8764402B2 (en) * 2011-06-09 2014-07-01 General Electric Company Turbomachine blade locking system
US20130017092A1 (en) * 2011-07-11 2013-01-17 General Electric Company Rotor assembly for gas turbines
US9051845B2 (en) 2012-01-05 2015-06-09 General Electric Company System for axial retention of rotating segments of a turbine
JP5538468B2 (en) * 2012-03-30 2014-07-02 株式会社日立製作所 Method of machining pin joint of turbine rotor blade and turbine rotor, and turbine rotor blade
US9470092B2 (en) 2013-01-02 2016-10-18 General Electric Company System and method for attaching a rotating blade in a turbine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3986779A (en) * 1974-05-27 1976-10-19 Brown Boveri-Sulzer Turbomaschinen Aktiengesellschaft Locking device for releasably fastening parts to rotors of fluid flow machines
US4527952A (en) * 1981-06-12 1985-07-09 S.N.E.C.M.A. Device for locking a turbine rotor blade
US4820127A (en) * 1988-01-29 1989-04-11 Westinghouse Electric Corp. Blade support and blade assembly
EP0597586A1 (en) * 1992-11-11 1994-05-18 ROLLS-ROYCE plc Gas turbine engine fan blade assembly

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2846183A (en) * 1952-07-18 1958-08-05 William C Morgan Retaining devices for turbine blades
US2912223A (en) * 1955-03-17 1959-11-10 Gen Electric Turbine bucket vibration dampener and sealing assembly
CH408056A (en) 1962-11-23 1966-02-28 Goerlitzer Maschinenbau Veb Attachment of the rotor blades of centrifugal machines, especially for drum-type compressor rotors of gas turbines
DE1159964B (en) * 1959-12-18 1963-12-27 Goerlitzer Maschb Veb Fastening of rotor blades of centrifugal machines
US5720596A (en) * 1997-01-03 1998-02-24 Westinghouse Electric Corporation Apparatus and method for locking blades into a rotor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3986779A (en) * 1974-05-27 1976-10-19 Brown Boveri-Sulzer Turbomaschinen Aktiengesellschaft Locking device for releasably fastening parts to rotors of fluid flow machines
US4527952A (en) * 1981-06-12 1985-07-09 S.N.E.C.M.A. Device for locking a turbine rotor blade
US4820127A (en) * 1988-01-29 1989-04-11 Westinghouse Electric Corp. Blade support and blade assembly
EP0597586A1 (en) * 1992-11-11 1994-05-18 ROLLS-ROYCE plc Gas turbine engine fan blade assembly

Also Published As

Publication number Publication date
EP1584793B1 (en) 2012-07-25
DE102004017193A1 (en) 2005-10-27
US20050226729A1 (en) 2005-10-13
EP1584793A2 (en) 2005-10-12
US7442011B2 (en) 2008-10-28

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