EP0780545A1 - Anordnung der inneren Enden einer schwenkbaren Schaufelstufe - Google Patents

Anordnung der inneren Enden einer schwenkbaren Schaufelstufe Download PDF

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Publication number
EP0780545A1
EP0780545A1 EP96402808A EP96402808A EP0780545A1 EP 0780545 A1 EP0780545 A1 EP 0780545A1 EP 96402808 A EP96402808 A EP 96402808A EP 96402808 A EP96402808 A EP 96402808A EP 0780545 A1 EP0780545 A1 EP 0780545A1
Authority
EP
European Patent Office
Prior art keywords
blades
arrangement
ring
pivots
variable
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
EP96402808A
Other languages
English (en)
French (fr)
Other versions
EP0780545B1 (de
Inventor
Jean-Louis Charbonnel
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
Publication of EP0780545A1 publication Critical patent/EP0780545A1/de
Application granted granted Critical
Publication of EP0780545B1 publication Critical patent/EP0780545B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

Definitions

  • the invention relates to an arrangement of internal ends of a stage of variable-pitch blades.
  • So called blades related to a stator but whose inclination can be changed at will to deflect or straighten more or less the flow of gas passing through them to obtain the best performance characteristics at different speeds of the machine in which they are located.
  • the outer ends of these blades are then supported by a bearing formed in the wall of the stator, and the inner ends, close to the rotor, are retained in a common connecting ring.
  • the invention is therefore characterized, compared to this prior art, by the combination of a threaded sleeve engaged in the connecting ring and serving as a bearing for the pivot and of brake parts engaged both in the notches of the pivots and sockets to hold them in rotation.
  • FIG. 1 A circular stage of blades 1 with variable setting is therefore shown in FIG. 1; he is located between two stages of movable vanes 2, linked to a rotor 3, while the variable-pitch vanes 1 are linked to a stator wall 4 at their external ends 5, where they end in an external pivot 6 passing through a bearing 7 cleaning through the wall of the stator 4, and, beyond this wall, by a head 8 of square or other section which is gripped by a lever, not shown, articulated to a control ring surrounding the turbomachine.
  • the control ring When the control ring is rotated, it switches the control levers and therefore rotates the external pivots 6 and the blades 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Control Of Turbines (AREA)
EP19960402808 1995-12-20 1996-12-19 Anordnung der inneren Enden einer schwenkbaren Schaufelstufe Expired - Lifetime EP0780545B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9515122 1995-12-20
FR9515122A FR2742800B1 (fr) 1995-12-20 1995-12-20 Agencement d'extremites internes d'un etage d'aubes a calage variable

Publications (2)

Publication Number Publication Date
EP0780545A1 true EP0780545A1 (de) 1997-06-25
EP0780545B1 EP0780545B1 (de) 1999-05-06

Family

ID=9485707

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19960402808 Expired - Lifetime EP0780545B1 (de) 1995-12-20 1996-12-19 Anordnung der inneren Enden einer schwenkbaren Schaufelstufe

Country Status (3)

Country Link
EP (1) EP0780545B1 (de)
DE (1) DE69602342T2 (de)
FR (1) FR2742800B1 (de)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998017896A1 (en) * 1996-10-22 1998-04-30 Siemens Westinghouse Power Corporation Vane segment support and alignment device
EP1205638A2 (de) * 2000-11-09 2002-05-15 General Electric Company Einlassleitschaufel und deren Lagerung am Innengehäuse
FR2846384A1 (fr) * 2002-10-23 2004-04-30 Gen Electric Conception perfectionnee d'un point de vue tribologique pour aubes fixes a calage variable
JP2005299667A (ja) * 2004-04-14 2005-10-27 General Electric Co <Ge> ガスタービンエンジンを組立てるための方法及び装置
FR2874977A1 (fr) * 2004-09-07 2006-03-10 Snecma Moteurs Sa Douille de support pivotant pour pivot d'aube a calage variable de turbomachine
FR2920492A1 (fr) * 2007-08-30 2009-03-06 Snecma Sa Etage d'aubes a calage variable pour une turbomachine
EP2149678A1 (de) 2008-07-28 2010-02-03 Ansaldo Energia S.P.A. Verbindungsanordnung zur Verbindung einer Schaufel mit einem Trägerring
FR2966530A1 (fr) * 2010-10-21 2012-04-27 Snecma Etage redresseur a calage variable pour un compresseur d'une turbomachine
US20150016984A1 (en) * 2013-06-20 2015-01-15 MTU Aero Engines AG Guide vane arragement and method for mounting a guide vane

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2556410A1 (fr) 1983-12-07 1985-06-14 Snecma Dispositif de centrage de l'anneau interieur d'un stator a ailettes a calage variable
GB2159887A (en) * 1984-06-04 1985-12-11 Gen Electric A stator vane mounting arrangement
EP0298894A1 (de) * 1987-07-08 1989-01-11 United Technologies Corporation Kompressor mit geteiltem Gehäuse
FR2644525A1 (fr) 1989-03-15 1990-09-21 Snecma Systeme de retention d'aubes de stator a calage variable

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2556410A1 (fr) 1983-12-07 1985-06-14 Snecma Dispositif de centrage de l'anneau interieur d'un stator a ailettes a calage variable
GB2159887A (en) * 1984-06-04 1985-12-11 Gen Electric A stator vane mounting arrangement
EP0298894A1 (de) * 1987-07-08 1989-01-11 United Technologies Corporation Kompressor mit geteiltem Gehäuse
FR2644525A1 (fr) 1989-03-15 1990-09-21 Snecma Systeme de retention d'aubes de stator a calage variable

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5921749A (en) * 1996-10-22 1999-07-13 Siemens Westinghouse Power Corporation Vane segment support and alignment device
GB2333808A (en) * 1996-10-22 1999-08-04 Westinghouse Electric Corp Vane segment support and alignment device
GB2333808B (en) * 1996-10-22 2000-10-11 Westinghouse Electric Corp Vane segment support and alignment device
WO1998017896A1 (en) * 1996-10-22 1998-04-30 Siemens Westinghouse Power Corporation Vane segment support and alignment device
EP1205638A2 (de) * 2000-11-09 2002-05-15 General Electric Company Einlassleitschaufel und deren Lagerung am Innengehäuse
EP1205638A3 (de) * 2000-11-09 2004-01-07 General Electric Company Einlassleitschaufel und deren Lagerung am Innengehäuse
FR2846384A1 (fr) * 2002-10-23 2004-04-30 Gen Electric Conception perfectionnee d'un point de vue tribologique pour aubes fixes a calage variable
EP1586744A3 (de) * 2004-04-14 2008-04-23 General Electric Company Verstellbare Leitschaufelanordnung einer Gasturbine
JP2005299667A (ja) * 2004-04-14 2005-10-27 General Electric Co <Ge> ガスタービンエンジンを組立てるための方法及び装置
FR2874977A1 (fr) * 2004-09-07 2006-03-10 Snecma Moteurs Sa Douille de support pivotant pour pivot d'aube a calage variable de turbomachine
FR2920492A1 (fr) * 2007-08-30 2009-03-06 Snecma Sa Etage d'aubes a calage variable pour une turbomachine
US8162597B2 (en) 2007-08-30 2012-04-24 Snecma Stage of variable-pitch vanes for a turbomachine
EP2149678A1 (de) 2008-07-28 2010-02-03 Ansaldo Energia S.P.A. Verbindungsanordnung zur Verbindung einer Schaufel mit einem Trägerring
FR2966530A1 (fr) * 2010-10-21 2012-04-27 Snecma Etage redresseur a calage variable pour un compresseur d'une turbomachine
US20150016984A1 (en) * 2013-06-20 2015-01-15 MTU Aero Engines AG Guide vane arragement and method for mounting a guide vane
US9617861B2 (en) * 2013-06-20 2017-04-11 MTU Aero Engines AG Guide vane arrangement and method for mounting a guide vane

Also Published As

Publication number Publication date
FR2742800A1 (fr) 1997-06-27
EP0780545B1 (de) 1999-05-06
DE69602342T2 (de) 1999-11-04
FR2742800B1 (fr) 1998-01-16
DE69602342D1 (de) 1999-06-10

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