FR1462062A - Dispositif de centrage axial pour les ailettes d'un rotor de turbomachine - Google Patents

Dispositif de centrage axial pour les ailettes d'un rotor de turbomachine

Info

Publication number
FR1462062A
FR1462062A FR44188A FR44188A FR1462062A FR 1462062 A FR1462062 A FR 1462062A FR 44188 A FR44188 A FR 44188A FR 44188 A FR44188 A FR 44188A FR 1462062 A FR1462062 A FR 1462062A
Authority
FR
France
Prior art keywords
fins
centering device
turbomachine rotor
axial centering
axial
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.)
Expired
Application number
FR44188A
Other languages
English (en)
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of FR1462062A publication Critical patent/FR1462062A/fr
Expired 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
    • 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
    • F01D5/323—Locking of axial insertion type blades by means of a key or the like parallel to the axis of the rotor
    • 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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/005—Sealing means between non relatively rotating elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
FR44188A 1964-12-29 1965-12-29 Dispositif de centrage axial pour les ailettes d'un rotor de turbomachine Expired FR1462062A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US421854A US3248081A (en) 1964-12-29 1964-12-29 Axial locating means for airfoils

Publications (1)

Publication Number Publication Date
FR1462062A true FR1462062A (fr) 1966-12-09

Family

ID=23672325

Family Applications (1)

Application Number Title Priority Date Filing Date
FR44188A Expired FR1462062A (fr) 1964-12-29 1965-12-29 Dispositif de centrage axial pour les ailettes d'un rotor de turbomachine

Country Status (4)

Country Link
US (1) US3248081A (fr)
DE (1) DE1426811B2 (fr)
FR (1) FR1462062A (fr)
GB (1) GB1085349A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5074109A (en) * 1989-03-22 1991-12-24 Societe Nationale D'etude Et De Construction De Moteurs D'aviation "S.N.E.C.M.A." Low pressure turbine rotor suspension in a twin hub turbo-engine

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5518369A (en) * 1994-12-15 1996-05-21 Pratt & Whitney Canada Inc. Gas turbine blade retention
JP2003517525A (ja) 1998-02-26 2003-05-27 アリソン・アドバンスト・ディベロップメント・カンパニー 圧縮機端壁ブリードシステム
DE19823157A1 (de) * 1998-05-23 1999-11-25 Asea Brown Boveri Einrichtung zur Befestigung der Laufschaufeln axial durchströmter Turbomaschinen
US6109877A (en) * 1998-11-23 2000-08-29 Pratt & Whitney Canada Corp. Turbine blade-to-disk retention device
DE19925774A1 (de) * 1999-06-05 2000-12-07 Asea Brown Boveri Axiale Sicherungseinrichtung für Laufschaufeln axial durchströmter Turbomaschinen
EP1507958A1 (fr) * 2002-05-24 2005-02-23 ABB Turbo Systems AG Dispositif de securite axial pour aubes mobiles
GB2408296A (en) * 2003-11-22 2005-05-25 Rolls Royce Plc Compressor blade root retainer with integral sealing means to reduce axial leakage
US8672614B1 (en) * 2004-07-09 2014-03-18 Loren Cook Company Exhaust fan systems
US7806662B2 (en) * 2007-04-12 2010-10-05 Pratt & Whitney Canada Corp. Blade retention system for use in a gas turbine engine
GB2462810B (en) * 2008-08-18 2010-07-21 Rolls Royce Plc Sealing means
FR2963383B1 (fr) * 2010-07-27 2016-09-09 Snecma Aube de turbomachine, rotor, turbine basse pression et turbomachine equipes d'une telle aube
ES2630046T3 (es) * 2013-04-09 2017-08-17 MTU Aero Engines AG Surtido de chapas de sujeción, turbina de gas correspondiente y método de ensamblaje
US10215035B2 (en) * 2014-12-29 2019-02-26 Rolls-Royce North American Technologies Inc. Turbine wheels with preloaded blade attachment
DE102015223210B3 (de) * 2015-11-24 2017-04-27 MTU Aero Engines AG Verdichter, Verfahren und Strömungsmaschine

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB652099A (en) * 1947-10-16 1951-04-18 Rolls Royce Improvements relating to axial flow turbines
US2618460A (en) * 1948-05-26 1952-11-18 United Aircraft Corp Turbine disk construction
GB671960A (en) * 1949-08-23 1952-05-14 Bristol Aeroplane Co Ltd Improvements in or relating to attachment means for rotor blades
GB691380A (en) * 1950-07-01 1953-05-13 Power Jets Res & Dev Ltd Improvements relating to bladed rotors for compressors, turbines or like apparatus
GB699582A (en) * 1950-11-14 1953-11-11 Rolls Royce Improvements in or relating to gas-turbine engines
US2669383A (en) * 1951-02-06 1954-02-16 A V Roe Canada Ltd Rotor blade
GB715837A (en) * 1952-01-02 1954-09-22 Armstrong Siddeley Motors Ltd Means for endwise locating a member in a slot of a support
US2912223A (en) * 1955-03-17 1959-11-10 Gen Electric Turbine bucket vibration dampener and sealing assembly
US2828942A (en) * 1955-08-01 1958-04-01 Orenda Engines Ltd Rotor blade and rotor blade assembly
US2942842A (en) * 1956-06-13 1960-06-28 Gen Motors Corp Turbine blade lock
US2999631A (en) * 1958-09-05 1961-09-12 Gen Electric Dual airfoil
US3076634A (en) * 1959-06-12 1963-02-05 Ass Elect Ind Locking means for compressor and turbine blades
US3045329A (en) * 1959-07-30 1962-07-24 Gen Electric Method for assembling tongue-and-groove members with locking keys
US3057598A (en) * 1960-07-01 1962-10-09 Ass Elect Ind Locking means for turbine or compressor blading
GB925273A (en) * 1960-10-15 1963-05-01 Daimler Benz Ag Improvements relating to rotors for turbines or compressors
US3043562A (en) * 1961-04-10 1962-07-10 Gen Electric Combination sealing and restraining member for long-shank turbo-machine buckets

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5074109A (en) * 1989-03-22 1991-12-24 Societe Nationale D'etude Et De Construction De Moteurs D'aviation "S.N.E.C.M.A." Low pressure turbine rotor suspension in a twin hub turbo-engine

Also Published As

Publication number Publication date
DE1426811A1 (de) 1969-03-13
GB1085349A (en) 1967-09-27
US3248081A (en) 1966-04-26
DE1426811B2 (de) 1971-06-03

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