FR2445892A1 - Dispositif de retenue d'aubes de turbo-machine - Google Patents

Dispositif de retenue d'aubes de turbo-machine

Info

Publication number
FR2445892A1
FR2445892A1 FR7931951A FR7931951A FR2445892A1 FR 2445892 A1 FR2445892 A1 FR 2445892A1 FR 7931951 A FR7931951 A FR 7931951A FR 7931951 A FR7931951 A FR 7931951A FR 2445892 A1 FR2445892 A1 FR 2445892A1
Authority
FR
France
Prior art keywords
notches
turbo
retention device
aligned
machine blades
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
FR7931951A
Other languages
English (en)
Other versions
FR2445892B1 (fr
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
Publication of FR2445892A1 publication Critical patent/FR2445892A1/fr
Application granted granted Critical
Publication of FR2445892B1 publication Critical patent/FR2445892B1/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
    • 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
    • F01D5/3007—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

Dispositif assurant une retenue radiale et axiale des aubes. Il comprend une cale élastique d'écartement 60 pourvue de deux encoches radiales 90, 92 alignées avec des encoches 52, 54 de la queue d'aronde mâle de l'aube et des encoches 40, 42 de la queue d'aronde femelle du disque de rotor, des clavettes 100, 102 venant se loger dans les encoches alignées et pourvues de fentes 104, 106 dans lesquelles s'engage un élément de retenue axial 112. Application aux soufflantes de moteurs à turbine à gaz.
FR7931951A 1979-01-02 1979-12-28 Dispositif de retenue d'aubes de turbo-machine Expired FR2445892B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/000,474 US4265595A (en) 1979-01-02 1979-01-02 Turbomachinery blade retaining assembly

Publications (2)

Publication Number Publication Date
FR2445892A1 true FR2445892A1 (fr) 1980-08-01
FR2445892B1 FR2445892B1 (fr) 1986-03-14

Family

ID=21691668

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7931951A Expired FR2445892B1 (fr) 1979-01-02 1979-12-28 Dispositif de retenue d'aubes de turbo-machine

Country Status (7)

Country Link
US (1) US4265595A (fr)
JP (1) JPS5593905A (fr)
CA (1) CA1128870A (fr)
DE (1) DE2952023A1 (fr)
FR (1) FR2445892B1 (fr)
GB (1) GB2038959B (fr)
IT (1) IT1126672B (fr)

Families Citing this family (81)

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FR2492906A2 (fr) * 1976-03-25 1982-04-30 Snecma Dispositif de retenue pour aubes de soufflantes
FR2507679A1 (fr) * 1981-06-12 1982-12-17 Snecma Dispositif de verrouillage d'une aube de rotor de turbomachine
US4453890A (en) * 1981-06-18 1984-06-12 General Electric Company Blading system for a gas turbine engine
FR2519072B1 (fr) * 1981-12-29 1986-05-30 Snecma Dispositif de retenue axiale et radiale d'aube de rotor de turboreacteur
USRE33954E (en) * 1982-02-22 1992-06-09 United Technologies Corporation Rotor blade assembly
US4451205A (en) * 1982-02-22 1984-05-29 United Technologies Corporation Rotor blade assembly
FR2524932A1 (fr) * 1982-04-08 1983-10-14 Snecma Dispositif de retenue axiale de pieds d'aube dans un disque de turbomachine
FR2535794A1 (fr) * 1982-11-08 1984-05-11 Snecma Dispositif de retenue axiale et radiale d'aubes de soufflante
FR2566061B1 (fr) * 1984-06-14 1988-09-02 Snecma Dispositif de verrouillage axial d'une aube de turbomachine
US4595340A (en) * 1984-07-30 1986-06-17 General Electric Company Gas turbine bladed disk assembly
US4688992A (en) * 1985-01-25 1987-08-25 General Electric Company Blade platform
FR2585069B1 (fr) * 1985-07-16 1989-06-09 Snecma Dispositif de limitation du debattement angulaire d'aubes montees sur un disque de rotor de turbomachine
US5236309A (en) * 1991-04-29 1993-08-17 Westinghouse Electric Corp. Turbine blade assembly
GB2262139A (en) * 1991-12-04 1993-06-09 Rolls Royce Plc Fan blade retainer
US5259728A (en) * 1992-05-08 1993-11-09 General Electric Company Bladed disk assembly
US5282720A (en) * 1992-09-15 1994-02-01 General Electric Company Fan blade retainer
US5350279A (en) * 1993-07-02 1994-09-27 General Electric Company Gas turbine engine blade retainer sub-assembly
US5431542A (en) * 1994-04-29 1995-07-11 United Technologies Corporation Ramped dovetail rails for rotor blade assembly
US5431543A (en) * 1994-05-02 1995-07-11 Westinghouse Elec Corp. Turbine blade locking assembly
GB9412963D0 (en) * 1994-06-28 1994-09-28 Rolls Royce Plc Gas turbine engine fan blade assembly
FR2728299B1 (fr) * 1994-12-14 1997-01-24 Snecma Dispositif de fixation axiale d'aubes de rotor de turboreacteur
GB2299834B (en) * 1995-04-12 1999-09-08 Rolls Royce Plc Gas turbine engine rotary disc
US5725353A (en) * 1996-12-04 1998-03-10 United Technologies Corporation Turbine engine rotor disk
US5720596A (en) * 1997-01-03 1998-02-24 Westinghouse Electric Corporation Apparatus and method for locking blades into a rotor
FR2770255B1 (fr) * 1997-10-27 1999-12-03 Gec Alsthom Electromec Rotor pour turbine a vapeur
FR2807096B1 (fr) * 2000-03-30 2002-05-31 Abb Alstom Power Nv Disque rotorique de turbine equipe d'ailettes a pied de sapin et procede de montage d'une ailette sur un disque
US6364613B1 (en) 2000-08-15 2002-04-02 General Electric Company Hollow finger dovetail pin and method of bucket attachment using the same
US6481971B1 (en) 2000-11-27 2002-11-19 General Electric Company Blade spacer
US6447250B1 (en) 2000-11-27 2002-09-10 General Electric Company Non-integral fan platform
US6416280B1 (en) 2000-11-27 2002-07-09 General Electric Company One piece spinner
US6457942B1 (en) 2000-11-27 2002-10-01 General Electric Company Fan blade retainer
US6520742B1 (en) 2000-11-27 2003-02-18 General Electric Company Circular arc multi-bore fan disk
US6619924B2 (en) 2001-09-13 2003-09-16 General Electric Company Method and system for replacing a compressor blade
US6739837B2 (en) 2002-04-16 2004-05-25 United Technologies Corporation Bladed rotor with a tiered blade to hub interface
US6951448B2 (en) 2002-04-16 2005-10-04 United Technologies Corporation Axial retention system and components thereof for a bladed rotor
GB0216951D0 (en) 2002-07-20 2002-08-28 Rolls Royce Plc A fan blade assembly
US6736602B2 (en) * 2002-07-31 2004-05-18 United Technologies Corporation Hollow fan hub under blade bumper
GB2397854A (en) * 2003-01-30 2004-08-04 Rolls Royce Plc Securing blades in a rotor assembly
US6929453B2 (en) * 2003-12-11 2005-08-16 Siemens Westinghouse Power Corporation Locking spacer assembly for slotted turbine component
US7153102B2 (en) * 2004-05-14 2006-12-26 Pratt & Whitney Canada Corp. Bladed disk fixing undercut
FR2881174B1 (fr) * 2005-01-27 2010-08-20 Snecma Moteurs Dispositif de positionnement d'une aube et disque aubage comportant un tel dispositif
US7201558B2 (en) * 2005-05-05 2007-04-10 United Technologies Corporation Seal arrangement for a fan-turbine rotor assembly
US20070022738A1 (en) * 2005-07-27 2007-02-01 United Technologies Corporation Reinforcement rings for a tip turbine engine fan-turbine rotor assembly
FR2889264B1 (fr) * 2005-07-29 2007-11-02 Snecma Verrouillage des aubes dans un rotor de soufflante
US8702385B2 (en) * 2006-01-13 2014-04-22 General Electric Company Welded nozzle assembly for a steam turbine and assembly fixtures
US7997860B2 (en) * 2006-01-13 2011-08-16 General Electric Company Welded nozzle assembly for a steam turbine and related assembly fixtures
US8182229B2 (en) * 2008-01-14 2012-05-22 General Electric Company Methods and apparatus to repair a rotor disk for a gas turbine
US8894370B2 (en) * 2008-04-04 2014-11-25 General Electric Company Turbine blade retention system and method
US8221083B2 (en) * 2008-04-15 2012-07-17 United Technologies Corporation Asymmetrical rotor blade fir-tree attachment
US8070448B2 (en) * 2008-10-30 2011-12-06 Honeywell International Inc. Spacers and turbines
US8182230B2 (en) * 2009-01-21 2012-05-22 Pratt & Whitney Canada Corp. Fan blade preloading arrangement and method
DE102009013348A1 (de) 2009-03-16 2010-09-23 Man Turbo Ag Vorrichtung und Verfahren zum Verbinden einer Schaufel mit einer Rotorwelle einer Strömungsmaschine
FR2945074B1 (fr) * 2009-04-29 2011-06-03 Snecma Cale d'aube de soufflante renforcee
US8485784B2 (en) * 2009-07-14 2013-07-16 General Electric Company Turbine bucket lockwire rotation prevention
FR2949142B1 (fr) * 2009-08-11 2011-10-14 Snecma Cale amortisseuse de vibrations pour aube de soufflante
FR2955904B1 (fr) * 2010-02-04 2012-07-20 Snecma Soufflante de turbomachine
US8708656B2 (en) 2010-05-25 2014-04-29 Pratt & Whitney Canada Corp. Blade fixing design for protecting against low speed rotation induced wear
US8550776B2 (en) * 2010-07-28 2013-10-08 General Electric Company Composite vane mounting
US8694285B2 (en) 2011-05-02 2014-04-08 Hamilton Sundstrand Corporation Turbine blade base load balancing
FR2974863B1 (fr) * 2011-05-06 2015-10-23 Snecma Disque de soufflante de turbomachine
JP2012251503A (ja) * 2011-06-03 2012-12-20 Hitachi Ltd 蒸気タービン
US9246372B2 (en) * 2012-01-20 2016-01-26 Fluor Technologies Corporation Rotor pole support ribs in gearless drives
US10508556B2 (en) 2013-01-17 2019-12-17 United Technologies Corporation Rotor blade root spacer with grip element
EP2767678A1 (fr) * 2013-02-19 2014-08-20 Siemens Aktiengesellschaft Roue aubagée et procédé de fabrication d'une aube
US9381602B2 (en) * 2014-05-14 2016-07-05 General Electric Company Turbomachine bucket displacement apparatus and method of use
FR3025553B1 (fr) * 2014-09-08 2019-11-29 Safran Aircraft Engines Aube a becquet amont
GB201419965D0 (en) * 2014-10-06 2014-12-24 Rolls Royce Plc Fan
US20160230579A1 (en) * 2015-02-06 2016-08-11 United Technologies Corporation Rotor disk sealing and blade attachments system
FR3048997B1 (fr) * 2016-03-21 2020-03-27 Safran Aircraft Engines Plateforme d'aube et disque de soufflante de turbomachine aeronautique
US10208709B2 (en) * 2016-04-05 2019-02-19 United Technologies Corporation Fan blade removal feature for a gas turbine engine
US10400614B2 (en) 2016-11-18 2019-09-03 General Electric Company Turbomachine bucket with radial support, shim and related turbomachine rotor
KR101882109B1 (ko) * 2016-12-23 2018-07-25 두산중공업 주식회사 가스 터빈
US10697300B2 (en) * 2017-12-14 2020-06-30 Raytheon Technologies Corporation Rotor balance weight system
PL3650652T3 (pl) * 2018-11-08 2022-05-02 Doosan Skoda Power S.R.O. Mocowanie łopatki turbiny z prostą lub okrągłą stopką jodełkową w rowku wirnika turbiny, w szczególności turbiny parowej lub turbiny gazowej, oraz turbina, w szczególności turbina parowa lub turbina gazowa, w której przynajmniej pewne łopatki turbiny są rozmieszczone w ten sposób
US10982557B2 (en) * 2018-11-15 2021-04-20 General Electric Company Turbine blade with radial support, shim and related turbine rotor
US10815799B2 (en) * 2018-11-15 2020-10-27 General Electric Company Turbine blade with radial support, shim and related turbine rotor
US10975714B2 (en) * 2018-11-22 2021-04-13 Pratt & Whitney Canada Corp. Rotor assembly with blade sealing tab
US11555407B2 (en) 2020-05-19 2023-01-17 General Electric Company Turbomachine rotor assembly
CN114109903A (zh) 2020-08-25 2022-03-01 通用电气公司 叶片燕尾榫和保持设备
KR102478172B1 (ko) * 2021-02-02 2022-12-14 두산에너빌리티 주식회사 회전 기계, 이를 포함하는 가스 터빈, 회전 기계의 조립 방법
KR102587218B1 (ko) * 2021-07-29 2023-10-10 두산에너빌리티 주식회사 로터 및 이를 포함하는 터보머신

Citations (3)

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US3039740A (en) * 1959-11-27 1962-06-19 Gen Motors Corp Blade retainer
DE2002465A1 (de) * 1969-01-23 1970-07-30 Gen Electric Abstandshalter fuer Turbinenschaufeln
GB2021206A (en) * 1978-05-18 1979-11-28 Gen Electric Turbo machinery blade retainer

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US2935296A (en) * 1951-12-26 1960-05-03 Gen Motors Corp Blade retaining means
US3341174A (en) * 1967-02-27 1967-09-12 United Aircraft Corp Blade lock
US3653781A (en) * 1970-12-18 1972-04-04 Gen Electric Turbomachinery blade retainer
GB1491480A (en) * 1975-07-28 1977-11-09 Rolls Royce Fixing blades for fluid flow machines
FR2345605A1 (fr) * 1976-03-25 1977-10-21 Snecma Dispositif de retenue pour aubes de soufflantes

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3039740A (en) * 1959-11-27 1962-06-19 Gen Motors Corp Blade retainer
DE2002465A1 (de) * 1969-01-23 1970-07-30 Gen Electric Abstandshalter fuer Turbinenschaufeln
GB2021206A (en) * 1978-05-18 1979-11-28 Gen Electric Turbo machinery blade retainer

Also Published As

Publication number Publication date
FR2445892B1 (fr) 1986-03-14
IT7928335A0 (it) 1979-12-21
JPS633121B2 (fr) 1988-01-22
CA1128870A (fr) 1982-08-03
JPS5593905A (en) 1980-07-16
IT1126672B (it) 1986-05-21
DE2952023A1 (de) 1980-07-17
DE2952023C2 (fr) 1989-12-21
GB2038959B (en) 1982-10-27
US4265595A (en) 1981-05-05
GB2038959A (en) 1980-07-30

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Legal Events

Date Code Title Description
ST Notification of lapse