FR2776012B1 - Joint d'etancheite d'un etage d'aubes circulaire - Google Patents

Joint d'etancheite d'un etage d'aubes circulaire

Info

Publication number
FR2776012B1
FR2776012B1 FR9803036A FR9803036A FR2776012B1 FR 2776012 B1 FR2776012 B1 FR 2776012B1 FR 9803036 A FR9803036 A FR 9803036A FR 9803036 A FR9803036 A FR 9803036A FR 2776012 B1 FR2776012 B1 FR 2776012B1
Authority
FR
France
Prior art keywords
seal
circular blade
blade stage
stage
circular
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 - Fee Related
Application number
FR9803036A
Other languages
English (en)
Other versions
FR2776012A1 (fr
Inventor
Jacques Leveaux
Jacky Naudet
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.)
Safran Aircraft Engines SAS
Original Assignee
Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA
SNECMA SAS
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 Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA, SNECMA SAS filed Critical Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA
Priority to FR9803036A priority Critical patent/FR2776012B1/fr
Priority to US09/255,023 priority patent/US6332617B1/en
Priority to JP11044780A priority patent/JPH11315703A/ja
Priority to EP99400577A priority patent/EP0942149B1/fr
Priority to DE69900008T priority patent/DE69900008T2/de
Publication of FR2776012A1 publication Critical patent/FR2776012A1/fr
Application granted granted Critical
Publication of FR2776012B1 publication Critical patent/FR2776012B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/005—Sealing means between non relatively rotating elements
    • F01D11/006—Sealing the gap between rotor blades or blades and 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
    • F01D5/3023—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
    • 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
    • F05D2250/00—Geometry
    • F05D2250/10—Two-dimensional
    • F05D2250/14—Two-dimensional elliptical
    • F05D2250/141—Two-dimensional elliptical circular

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)
FR9803036A 1998-03-12 1998-03-12 Joint d'etancheite d'un etage d'aubes circulaire Expired - Fee Related FR2776012B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR9803036A FR2776012B1 (fr) 1998-03-12 1998-03-12 Joint d'etancheite d'un etage d'aubes circulaire
US09/255,023 US6332617B1 (en) 1998-03-12 1999-02-22 Leaktight seal of a circular vane stage
JP11044780A JPH11315703A (ja) 1998-03-12 1999-02-23 円形ベ―ン段の密封シ―ル
EP99400577A EP0942149B1 (fr) 1998-03-12 1999-03-10 Joint d'étanchéité pour les aubes d'un étage de turbomachine
DE69900008T DE69900008T2 (de) 1998-03-12 1999-03-10 Dichtring für die Schaufeln einer Turbomaschinenstufe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9803036A FR2776012B1 (fr) 1998-03-12 1998-03-12 Joint d'etancheite d'un etage d'aubes circulaire

Publications (2)

Publication Number Publication Date
FR2776012A1 FR2776012A1 (fr) 1999-09-17
FR2776012B1 true FR2776012B1 (fr) 2000-04-07

Family

ID=9523962

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9803036A Expired - Fee Related FR2776012B1 (fr) 1998-03-12 1998-03-12 Joint d'etancheite d'un etage d'aubes circulaire

Country Status (5)

Country Link
US (1) US6332617B1 (fr)
EP (1) EP0942149B1 (fr)
JP (1) JPH11315703A (fr)
DE (1) DE69900008T2 (fr)
FR (1) FR2776012B1 (fr)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10120532A1 (de) * 2001-04-26 2002-10-31 Alstom Switzerland Ltd Vorrichtung und Verfahren zur Befestigung einer Laufschaufel längs einer innerhalb eines Rotors einer axial durchströmten Turbomaschine verlaufenden Umfangsnut
US20040090017A1 (en) * 2002-11-08 2004-05-13 Steven Roberts Universal physical barrier
US7059829B2 (en) 2004-02-09 2006-06-13 Siemens Power Generation, Inc. Compressor system with movable seal lands
US7172388B2 (en) * 2004-08-24 2007-02-06 Pratt & Whitney Canada Corp. Multi-point seal
US8206116B2 (en) 2005-07-14 2012-06-26 United Technologies Corporation Method for loading and locking tangential rotor blades and blade design
EP1991762B1 (fr) * 2006-03-06 2015-03-11 Alstom Technology Ltd Turbine a gaz avec ecran thermique et bandes d'etancheite coudees
US8308428B2 (en) * 2007-10-09 2012-11-13 United Technologies Corporation Seal assembly retention feature and assembly method
GB0908502D0 (en) * 2009-05-19 2009-06-24 Rolls Royce Plc A balanced rotor for a turbine engine
US8734089B2 (en) 2009-12-29 2014-05-27 Rolls-Royce Corporation Damper seal and vane assembly for a gas turbine engine
GB2477825B (en) * 2010-09-23 2015-04-01 Rolls Royce Plc Anti fret liner assembly
US9127563B2 (en) * 2011-04-05 2015-09-08 General Electric Company Locking device arrangement for a rotating bladed stage
US8544852B2 (en) 2011-06-03 2013-10-01 General Electric Company Torsion seal
US20120306169A1 (en) * 2011-06-03 2012-12-06 General Electric Company Hinge seal
US9169849B2 (en) 2012-05-08 2015-10-27 United Technologies Corporation Gas turbine engine compressor stator seal
DE102013223583A1 (de) * 2013-11-19 2015-05-21 MTU Aero Engines AG Schaufel-Scheiben-Verbund, Verfahren und Strömungsmaschine
WO2015116399A1 (fr) * 2014-01-28 2015-08-06 United Technologies Corporation Joint de cavité flexible pour moteurs à turbine à gaz
US9587503B2 (en) * 2014-10-24 2017-03-07 United Technologies Corporation Hinged seal
US10196912B2 (en) 2014-10-24 2019-02-05 United Technologies Corporation Bifurcated sliding seal
US10378371B2 (en) 2014-12-18 2019-08-13 United Technologies Corporation Anti-rotation vane
EP3438410B1 (fr) 2017-08-01 2021-09-29 General Electric Company Système d'étanchéité pour machine rotative
KR102454379B1 (ko) * 2020-09-08 2022-10-14 두산에너빌리티 주식회사 로터 및 이를 포함하는 터보머신
FR3138829B1 (fr) * 2022-08-11 2024-06-28 Safran Aircraft Engines Élément de protection d'un tambour de compresseur basse pression de turbomachine

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR398666A (fr) * 1909-04-19 1909-06-11 Thomson Houston Ateliers Dispositif de montage des aubes d'une turbine à fluide élastique
US2912222A (en) * 1952-08-02 1959-11-10 Gen Electric Turbomachine blading and method of manufacture thereof
US3972645A (en) * 1975-08-04 1976-08-03 United Technologies Corporation Platform seal-tangential blade
US4875830A (en) * 1985-07-18 1989-10-24 United Technologies Corporation Flanged ladder seal
FR2616480B1 (fr) * 1987-06-10 1989-09-29 Snecma Dispositif de verrouillage d'aubes a pied marteau sur un disque de turbomachine et procedes de montage et de demontage
GB8922339D0 (en) * 1989-10-04 1989-11-22 Rolls Royce Plc Improvements in or relating to labyrinth seal structures
FR2695161B1 (fr) * 1992-08-26 1994-11-04 Snecma Système de refroidissement d'un compresseur de turbomachine et de contrôle des jeux.
US5460489A (en) * 1994-04-12 1995-10-24 United Technologies Corporation Turbine blade damper and seal
FR2739136B1 (fr) * 1995-09-21 1997-10-31 Snecma Agencement amortissant pour des aubes de rotor

Also Published As

Publication number Publication date
DE69900008T2 (de) 2001-04-05
JPH11315703A (ja) 1999-11-16
EP0942149A1 (fr) 1999-09-15
US6332617B1 (en) 2001-12-25
DE69900008D1 (de) 2000-09-21
FR2776012A1 (fr) 1999-09-17
EP0942149B1 (fr) 2000-08-16

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Legal Events

Date Code Title Description
CD Change of name or company name
TP Transmission of property
ST Notification of lapse