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FR2775731B1 - Etage circulaire d'aubes aux extremites interieures unies par un anneau de liaison - Google Patents

Etage circulaire d'aubes aux extremites interieures unies par un anneau de liaison

Info

Publication number
FR2775731B1
FR2775731B1 FR9802675A FR9802675A FR2775731B1 FR 2775731 B1 FR2775731 B1 FR 2775731B1 FR 9802675 A FR9802675 A FR 9802675A FR 9802675 A FR9802675 A FR 9802675A FR 2775731 B1 FR2775731 B1 FR 2775731B1
Authority
FR
France
Prior art keywords
blades
connecting ring
ends joined
interior ends
circular stage
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
FR9802675A
Other languages
English (en)
Other versions
FR2775731A1 (fr
Inventor
Daniel Andre Agram
Anne Cecile Christine Marlin
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 FR9802675A priority Critical patent/FR2775731B1/fr
Priority to US09/252,821 priority patent/US6129512A/en
Priority to JP04317499A priority patent/JP3877032B2/ja
Priority to CA002263255A priority patent/CA2263255C/fr
Priority to EP99400514A priority patent/EP0947668B1/fr
Priority to DE69900004T priority patent/DE69900004T2/de
Publication of FR2775731A1 publication Critical patent/FR2775731A1/fr
Application granted granted Critical
Publication of FR2775731B1 publication Critical patent/FR2775731B1/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
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/10—Final actuators
    • F01D17/12—Final actuators arranged in stator parts
    • F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
    • F01D17/16—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of nozzle vanes
    • F01D17/162—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of nozzle vanes for axial flow, i.e. the vanes turning around axes which are essentially perpendicular to the rotor centre line
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/56—Fluid-guiding means, e.g. diffusers adjustable
    • F04D29/563—Fluid-guiding means, e.g. diffusers adjustable specially adapted for elastic fluid pumps
    • 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)
  • Control Of Turbines (AREA)
  • Synchronous Machinery (AREA)
FR9802675A 1998-03-05 1998-03-05 Etage circulaire d'aubes aux extremites interieures unies par un anneau de liaison Expired - Fee Related FR2775731B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR9802675A FR2775731B1 (fr) 1998-03-05 1998-03-05 Etage circulaire d'aubes aux extremites interieures unies par un anneau de liaison
US09/252,821 US6129512A (en) 1998-03-05 1999-02-19 Circular stage of vanes connected at internal ends thereof by a connecting ring
JP04317499A JP3877032B2 (ja) 1998-03-05 1999-02-22 内側端部が連結リングで連結されるベーンの円形段
CA002263255A CA2263255C (fr) 1998-03-05 1999-03-01 Plateau circulaire d'aubes place aux extremites internes et rattache au stator par une bague de raccord
EP99400514A EP0947668B1 (fr) 1998-03-05 1999-03-04 Etage circulaire d'aubes de turbomachine aux extrémités intérieures unies par un anneau de liaison
DE69900004T DE69900004T2 (de) 1998-03-05 1999-03-04 Turbomaschinenstufe mit an ihren inneren Enden durch einen Ring verbundenen Leitschaufeln

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9802675A FR2775731B1 (fr) 1998-03-05 1998-03-05 Etage circulaire d'aubes aux extremites interieures unies par un anneau de liaison

Publications (2)

Publication Number Publication Date
FR2775731A1 FR2775731A1 (fr) 1999-09-10
FR2775731B1 true FR2775731B1 (fr) 2000-04-07

Family

ID=9523676

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9802675A Expired - Fee Related FR2775731B1 (fr) 1998-03-05 1998-03-05 Etage circulaire d'aubes aux extremites interieures unies par un anneau de liaison

Country Status (6)

Country Link
US (1) US6129512A (fr)
EP (1) EP0947668B1 (fr)
JP (1) JP3877032B2 (fr)
CA (1) CA2263255C (fr)
DE (1) DE69900004T2 (fr)
FR (1) FR2775731B1 (fr)

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US6547002B1 (en) * 2000-04-17 2003-04-15 Weatherford/Lamb, Inc. High pressure rotating drilling head assembly with hydraulically removable packer
EP1205639A1 (fr) * 2000-11-09 2002-05-15 General Electric Company Système de fixation des aubes statoriques variables dans une virole interieure de turbines
DE10161292A1 (de) 2001-12-13 2003-06-26 Rolls Royce Deutschland Lagerring zur Lagerung von Schaufelfüßen von verstellbaren Statorschaufeln im Hochdruckverdichter einer Gasturbine
US7125222B2 (en) * 2004-04-14 2006-10-24 General Electric Company Gas turbine engine variable vane assembly
FR2875270B1 (fr) * 2004-09-10 2006-12-01 Snecma Moteurs Sa Retenue des clavettes de centrage des anneaux sous aubes de stator a calage variable d'un moteur a turbine a gaz
DE102005040574A1 (de) * 2005-08-26 2007-03-15 Rolls-Royce Deutschland Ltd & Co Kg Spaltkontrollvorrichtung für eine Gasturbine
FR2899637B1 (fr) * 2006-04-06 2010-10-08 Snecma Aube de stator a calage variable de turbomachine
DE102006024085B4 (de) 2006-05-23 2020-04-16 MTU Aero Engines AG Turboverdichter in Axialbauweise
US7713022B2 (en) * 2007-03-06 2010-05-11 United Technologies Operations Small radial profile shroud for variable vane structure in a gas turbine engine
JP2010523898A (ja) * 2007-04-10 2010-07-15 エリオット・カンパニー 可変入口案内翼を有する遠心圧縮機
US7806652B2 (en) * 2007-04-10 2010-10-05 United Technologies Corporation Turbine engine variable stator vane
US9353643B2 (en) * 2007-04-10 2016-05-31 United Technologies Corporation Variable stator vane assembly for a turbine engine
US8500394B2 (en) * 2008-02-20 2013-08-06 United Technologies Corporation Single channel inner diameter shroud with lightweight inner core
US8328512B2 (en) * 2009-06-05 2012-12-11 United Technologies Corporation Inner diameter shroud assembly for variable inlet guide vane structure in a gas turbine engine
DE102009038623B4 (de) * 2009-08-26 2012-01-19 Rolls-Royce Deutschland Ltd & Co Kg Leitschaufelkranz für den Verdichter einer Fluggasturbine
US8727730B2 (en) * 2010-04-06 2014-05-20 General Electric Company Composite turbine bucket assembly
EP2405104A1 (fr) * 2010-07-08 2012-01-11 Siemens Aktiengesellschaft Compresseur et moteur à turbine à gaz associé
FR2966530B1 (fr) * 2010-10-21 2012-11-02 Snecma Etage redresseur a calage variable pour un compresseur d'une turbomachine
US8961125B2 (en) * 2011-12-13 2015-02-24 United Technologies Corporation Gas turbine engine part retention
US9410443B2 (en) 2012-01-27 2016-08-09 United Technologies Corporation Variable vane damping assembly
EP2636849B1 (fr) * 2012-03-05 2017-11-01 MTU Aero Engines GmbH Compresseur
FR2988787B1 (fr) * 2012-04-03 2016-01-22 Snecma Redresseur a calage variable pour compresseur de turbomachine comprenant deux anneaux internes
EP2696041B1 (fr) * 2012-08-07 2020-01-22 MTU Aero Engines AG Assemblage de stator d'une turbine à gaz et procédé de montage
US9140133B2 (en) 2012-08-14 2015-09-22 United Technologies Corporation Threaded full ring inner air-seal
EP2725200B1 (fr) 2012-10-25 2018-06-06 MTU Aero Engines AG Stator et turbomachine
EP2725202A1 (fr) * 2012-10-25 2014-04-30 MTU Aero Engines GmbH Agencement de support d'étanchéité d'anneau intérieur pour assemblage des aubes statoriques variables d'une turbomachine
EP2728123A1 (fr) 2012-11-06 2014-05-07 MTU Aero Engines GmbH Turbomachine et procédé d'assemblage associé de turbomachine
US20140234087A1 (en) * 2013-02-17 2014-08-21 United Technologies Corporation Inlet guide vane retention feature
DE102013211629A1 (de) * 2013-06-20 2015-01-08 MTU Aero Engines AG Leitschaufelanordnung und Verfahren zum Montieren einer Leitschaufel
FR3014152B1 (fr) * 2013-11-29 2015-12-25 Snecma Dispositif de guidage d'aubes de redresseur a angle de calage variable de turbomachine et procede d'assemblage d'un tel dispositif
DE102014205986B4 (de) 2014-03-31 2021-03-18 MTU Aero Engines AG Leitschaufelkranz und Strömungsmaschine
US9784285B2 (en) * 2014-09-12 2017-10-10 Honeywell International Inc. Variable stator vane assemblies and variable stator vanes thereof having a locally swept leading edge and methods for minimizing endwall leakage therewith
GB201418321D0 (en) * 2014-10-16 2014-12-03 Rolls Royce Plc Mounting arrangement for variable stator vane
DE102014223975A1 (de) * 2014-11-25 2016-05-25 MTU Aero Engines AG Leitschaufelkranz und Strömungsmaschine
US10358932B2 (en) * 2015-06-29 2019-07-23 United Technologies Corporation Segmented non-contact seal assembly for rotational equipment
DE102015220371A1 (de) 2015-10-20 2017-04-20 MTU Aero Engines AG Innenringsystem, Leitschaufelkranz und Strömungsmaschine
DE102016215807A1 (de) * 2016-08-23 2018-03-01 MTU Aero Engines AG Innenring für einen Leitschaufelkranz einer Strömungsmaschine
JP6874121B2 (ja) * 2017-03-30 2021-05-19 三菱パワー株式会社 可変静翼、及び圧縮機
DE102017109952A1 (de) * 2017-05-09 2018-11-15 Rolls-Royce Deutschland Ltd & Co Kg Rotorvorrichtung einer Strömungsmaschine
DE102017211316A1 (de) * 2017-07-04 2019-01-10 MTU Aero Engines AG Turbomaschinen-Dichtring
DE102018210601A1 (de) * 2018-06-28 2020-01-02 MTU Aero Engines AG Segmentring zur montage in einer strömungsmaschine
FR3085060B1 (fr) * 2018-08-17 2020-10-09 Safran Aircraft Engines Anneau de guidage d'aubes a calage variable et procede de montage dudit anneau
DE102018213983A1 (de) * 2018-08-20 2020-02-20 MTU Aero Engines AG Verstellbare Leitschaufelanordnung, Leitschaufel, Dichtungsträger und Turbomaschine
US10808568B2 (en) * 2018-09-12 2020-10-20 Raytheon Technologies Corporation Airfoil assembly for a gas turbine engine
FR3108369B1 (fr) * 2020-03-18 2022-10-28 Safran Aircraft Engines Redresseur pour turbomachine d’aeronef, comprenant un limitateur de pivotement d’aube a angle de calage variable
FR3115818B1 (fr) * 2020-10-30 2023-10-20 Safran Aircraft Engines Soufflante de turbomachine comprenant des pales à calage variable
CN112065777B (zh) * 2020-11-10 2021-01-19 中国航发上海商用航空发动机制造有限责任公司 压气机进口导流叶片的调节精度保持结构
US11549388B2 (en) * 2021-01-18 2023-01-10 Raytheon Technologies Corporation Inner shroud assembly for gas turbine engine variable vane system
FR3123885B1 (fr) * 2021-06-15 2023-06-16 Safran Aircraft Engines Redresseur non carene de turbomachine equipe d’aubes de stator fixees a des pivots et turbomachine correspondante
DE102021120384A1 (de) 2021-08-05 2023-02-09 MTU Aero Engines AG Leitschaufelkranz für eine Strömungsmaschine, Strömungsmaschine und Verfahren zum Montieren eines Leitschaufelkranzes
FR3132123B1 (fr) * 2022-01-21 2023-12-08 Safran Aircraft Engines Aube de redresseur de flux secondaire de turbomachine, turbomachine munie de celle-ci
US12078071B1 (en) * 2023-02-21 2024-09-03 Rolls-Royce Corporation Segmented compressor inner band for variable vanes in gas turbine engines
US11879480B1 (en) 2023-04-07 2024-01-23 Rolls-Royce North American Technologies Inc. Sectioned compressor inner band for variable pitch vane assemblies in gas turbine engines
DE102023125526A1 (de) * 2023-09-20 2025-03-20 MTU Aero Engines AG Innenringsegment, axial geteilter Innenring und verstellbarer Leitschaufelkranz für ein Flugtriebwerk

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US3079128A (en) * 1961-01-23 1963-02-26 Burge Joseph Sealing and securing means for turbomachine blading
US3224194A (en) * 1963-06-26 1965-12-21 Curtiss Wright Corp Gas turbine engine
US3567331A (en) * 1969-07-25 1971-03-02 Gen Motors Corp Variable vane cascades
FR2685033B1 (fr) * 1991-12-11 1994-02-11 Snecma Stator dirigeant l'entree de l'air a l'interieur d'une turbomachine et procede de montage d'une aube de ce stator.
FR2723614B1 (fr) * 1994-08-10 1996-09-13 Snecma Dispositif d'assemblage d'un etage circulaire d'aubes pivotantes.
FR2742799B1 (fr) * 1995-12-20 1998-01-16 Snecma Palier d'extremite interne d'aube pivotante

Also Published As

Publication number Publication date
US6129512A (en) 2000-10-10
DE69900004D1 (de) 2000-06-08
CA2263255C (fr) 2009-02-24
JPH11315702A (ja) 1999-11-16
FR2775731A1 (fr) 1999-09-10
EP0947668B1 (fr) 2000-05-03
EP0947668A1 (fr) 1999-10-06
DE69900004T2 (de) 2001-03-01
JP3877032B2 (ja) 2007-02-07
CA2263255A1 (fr) 1999-09-05

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Legal Events

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

Effective date: 20061130