FR2970289A1 - Dispositif de retention axiale pour systeme de turbine - Google Patents

Dispositif de retention axiale pour systeme de turbine Download PDF

Info

Publication number
FR2970289A1
FR2970289A1 FR1250135A FR1250135A FR2970289A1 FR 2970289 A1 FR2970289 A1 FR 2970289A1 FR 1250135 A FR1250135 A FR 1250135A FR 1250135 A FR1250135 A FR 1250135A FR 2970289 A1 FR2970289 A1 FR 2970289A1
Authority
FR
France
Prior art keywords
axial
pocket
support structure
turbine
pivoting member
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.)
Withdrawn
Application number
FR1250135A
Other languages
English (en)
French (fr)
Inventor
Pradeep Kumar Yarava
Ravi Kishore Appapantula
Ramesh Ramachandran
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 FR2970289A1 publication Critical patent/FR2970289A1/fr
Withdrawn legal-status Critical Current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

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)
FR1250135A 2011-01-07 2012-01-05 Dispositif de retention axiale pour systeme de turbine Withdrawn FR2970289A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/986,211 US20120177498A1 (en) 2011-01-07 2011-01-07 Axial retention device for turbine system

Publications (1)

Publication Number Publication Date
FR2970289A1 true FR2970289A1 (fr) 2012-07-13

Family

ID=46330806

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1250135A Withdrawn FR2970289A1 (fr) 2011-01-07 2012-01-05 Dispositif de retention axiale pour systeme de turbine

Country Status (5)

Country Link
US (1) US20120177498A1 (ja)
JP (1) JP2012145106A (ja)
CN (1) CN102606222A (ja)
DE (1) DE102012100013A1 (ja)
FR (1) FR2970289A1 (ja)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2963383B1 (fr) * 2010-07-27 2016-09-09 Snecma Aube de turbomachine, rotor, turbine basse pression et turbomachine equipes d'une telle aube
US9103221B2 (en) * 2012-02-16 2015-08-11 Alstom Technology Ltd System and method for blade retention
EP2711504A1 (de) * 2012-09-19 2014-03-26 Siemens Aktiengesellschaft Vorrichtung zum Überbrücken eines Spiels
US20140199172A1 (en) * 2013-01-11 2014-07-17 General Electric Company Turbomachine and method of handling turbomachine components
EP2808490A1 (en) * 2013-05-29 2014-12-03 Alstom Technology Ltd Turbine blade with locking pin
US9689268B2 (en) * 2013-12-17 2017-06-27 General Electric Company Turbine bucket closure assembly and methods of assembling the same
US9777586B2 (en) 2014-12-31 2017-10-03 General Electric Company Flowpath boundary and rotor assemblies in gas turbines
GB201504182D0 (en) 2015-03-12 2015-04-29 Rolls Royce Plc Chocking and retaining device
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
KR101919228B1 (ko) 2017-03-16 2018-11-15 두산중공업 주식회사 버킷의 축 방향 고정 장치와 버킷 조립체 및 이를 포함하는 가스터빈
EP3650652B1 (en) * 2018-11-08 2022-01-12 Doosan Skoda Power S.r.o. Fastening of a turbine blade with tree-shaped root in a turbine rotor by means of a deformable fixation wedge and a securing element

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2928651A (en) * 1955-01-21 1960-03-15 United Aircraft Corp Blade locking means
US2847187A (en) * 1955-01-21 1958-08-12 United Aircraft Corp Blade locking means
US2828942A (en) * 1955-08-01 1958-04-01 Orenda Engines Ltd Rotor blade and rotor blade assembly
US2994507A (en) * 1959-01-23 1961-08-01 Westinghouse Electric Corp Blade locking structure
FR2527260A1 (fr) * 1982-05-18 1983-11-25 Snecma Dispositif d'amortissement escamotable pour aubes d'une turbomachine
FR2915510B1 (fr) * 2007-04-27 2009-11-06 Snecma Sa Amortisseur pour aubes de turbomachines
US8267664B2 (en) * 2008-04-04 2012-09-18 General Electric Company Axial compressor blade retention

Also Published As

Publication number Publication date
US20120177498A1 (en) 2012-07-12
DE102012100013A1 (de) 2012-07-12
JP2012145106A (ja) 2012-08-02
CN102606222A (zh) 2012-07-25

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20140930