EP1498579A1 - Rétention de flasque de rotor - Google Patents
Rétention de flasque de rotor Download PDFInfo
- Publication number
- EP1498579A1 EP1498579A1 EP20040291803 EP04291803A EP1498579A1 EP 1498579 A1 EP1498579 A1 EP 1498579A1 EP 20040291803 EP20040291803 EP 20040291803 EP 04291803 A EP04291803 A EP 04291803A EP 1498579 A1 EP1498579 A1 EP 1498579A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- flange
- diameter
- foot
- rod
- recess
- 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
Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 9
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 210000000078 claw Anatomy 0.000 description 11
- 238000003754 machining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 241001415961 Gaviidae Species 0.000 description 1
- 241000735470 Juncus Species 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000037406 food intake Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Images
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
- F01D5/3007—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type
- F01D5/3015—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type with side plates
-
- 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
- F05D2250/70—Shape
-
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/50—Intrinsic material properties or characteristics
- F05D2300/501—Elasticity
Definitions
- the invention relates to a device for retaining a flange annular against a radial face of a disk and rotor.
- a device for retaining a annular flange against a radial face of a rotor disc said disc having in said radial face an annular recess delimited by several walls, one of which is formed by the inner face of a flange which extends radially outwards, and said flange having, in its radially inner part, an annular base bearing against the wall radially outside the recess and a foot that extends radially inwards in the recess from the base, said device having a split annular retaining ring disposed in the recess, this ring having a first radial surface abutting against the inner face of the flange, a second radial surface abutting against the axially outer face of the foot and a peripheral surface in stop against said foot or said base.
- the flange is intended to prevent the Axial displacement of fir-type vane blades whose feet are mounted in axial notches provided on the periphery of the disc of rotor.
- To mount the flange we first have the annular ring split in the recess of the disc, and then compressed radially towards inside the recess by means of tools pressing on the wall ring device until these tools come to press the flange of the disc. Then, slide the base of the flange along the radially outer wall of the recess.
- the ring has at its axially inner end a rabbet device in which the radially inner portion of the foot.
- the outer diameter of the ring is smaller than the inner diameter the base of the flange to allow the release of the tools of compression during assembly and their introduction during disassembly possible.
- the diameter of the bore of the flange foot is greater than diameter of the flange to allow the introduction of the inner portion of the flange in the recess around the compression tools in support against the periphery of the flange.
- the flange being subjected to axial stresses during shocks on blades because of the ingestion of debris, which is taken up by the retaining ring there are shear moments on the ring because of the differences in diameter between the bore of the foot and the flange.
- the manufacture of this ring requires expensive machining.
- the retaining ring remains in the recess when dismounting the flange for repair or replacement of a dawn for example.
- This ring is thus different from a circlip traditional that is expanded by means of a piece for its implementation around a tree and retracts elastically into a throat arranged on the periphery of the tree.
- the object of the invention is to propose a retention system axial axis of a rotor disc flange that is simple to perform and little expensive and which makes it easier to assemble the parts.
- the invention achieves its goal by the fact that the ring is formed by a rod interposed axially between the foot of the flange and the flange, and whose peripheral surface abuts against the base, said peripheral surface and said flange comprising in correspondence notches opening outwards and intended to receive tools for compression of said ring which retract into the contour of the flange when mounting or dismounting said flange.
- This groove preferably has a U-shaped section and the rod has opposite planar radial faces.
- the axial width of the groove is equal to or slightly greater than the thickness of the ring.
- the foot of the flange has a bore whose diameter is substantially equal to the diameter of the flange.
- the terms “inside” and “outside” designate a wall or a surface respectively near or far from the axis of rotation of the disk
- the terms “internal” and “external” refer to a wall or a surface respectively close to or distant from the plane median of the disc 1.
- the annular recess 7 is delimited radially on the outside by a substantially cylindrical wall 9 connected by a surface concave 10a an annular groove 12, of U-section, arranged behind a flange 13 which extends radially outwards and whose diameter is slightly greater than the diameter of the shoulder 14 formed by the concave surface 10 and the inner axial face of the groove 12.
- the radially inner portion 6 of the flange 5 has a base 15 which extends into the recess 7 and which has a surface cylindrical peripheral 15a which bears against the cylindrical wall 9, and a foot 16 disposed under the base 15 and which extends radially towards inside.
- the diameter of the bore 17 of the foot 16 is substantially equal or slightly greater than the diameter of the flange 13, in order to allow introducing the radially inner portion 6 of the flange 5 into the recess 7 during assembly, or its extraction for the needs of repair or maintenance of the blades 3.
- the outer face 18 of the foot 16 is disposed in a radial plane passing through the groove 12 in the vicinity of the shoulder 14. This face 18 is connected to the radially inner face of the base 15, and forms with the latter a rabbet 19.
- the ring 8 has two parallel axial faces perpendicular to the axis of rotation of the disc 1, namely an axial face external 20 bearing against the inner face of the flange 13 and a face internal axial 21 bearing against the outer face 18 of the foot 16 and its peripheral surface 22 bears against the radially inner face from the base 15.
- the depth of the groove 7 is calculated to allow the retraction of the claws 25, during the compression of the rod 8.
- the inner diameter of the rod 8, not subject to constraints, is preferably smaller than the diameter of the shoulder 14, so that the 8 is correctly positioned with respect to the groove when setting in place of the claws 25 in the notches 30b of the ring 8.
- the rod 8 which is in the form of a split washer, is easy to manufacture and inexpensive.
- the volume of the recess 7 can be limited to the maximum, which reinforces the periphery of the disc 1 which, in general, is subject to considerable centrifugal forces.
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)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
- Rotary Pumps (AREA)
Abstract
Description
- la figure 1 est une vue en perspective d'une partie d'un disque de rotor de turbomachine équipée d'un flasque de retenue d'aubes, ces aubes n'étant pas montrées sur cette figure par souci de clarté,
- la figure 2 est une coupe selon un plan contenant l'axe de rotation du disque aubagé de la figure 1 ;
- la figure 3 montre le positionnement du jonc avant la mise en place du flasque ; et
- les figures 4 à 6 montrent les diverses étapes du montage du flasque.
Claims (7)
- Dispositif pour retenir un flasque annulaire (5) contre une face radiale (4) d'un disque de rotor (1), ledit disque présentant dans ladite face radiale un évidement annulaire (7) délimité par plusieurs parois dont l'une est formée par la face interne d'une bride (13) qui s'étend radialement vers l'extérieur, et ledit flasque (5) présentant, dans sa partie radialement intérieure, une base annulaire (15) en appui contre la paroi radialement extérieure (9) de l'évidement (7) et un pied (16) qui s'étend radialement vers l'intérieur dans l'évidement (7) à partir de la base (15), ledit dispositif comportant une bague de retenue annulaire fendue disposée dans l'évidement (7), cette bague ayant une première surface radiale en appui contre la face interne de la bride, une deuxième surface radiale en appui contre la face axialement externe du pied et une surface périphérique en butée contre ledit pied ou ladite base,
caractérisé par le fait que la bague est constituée par un jonc (8) interposé axialement entre le pied (16) du flasque (5) et la bride (13), et dont la surface périphérique (22) est en butée contre la base (15), ladite surface périphérique (22) et ladite bride (13) comportant en correspondance des encoches (30a, 30b) débouchant radialement vers l'extérieur et destinées à recevoir des outils de compression (25) dudit jonc (8), qui s'escamotent dans le contour de ladite bride (13) lors du montage ou du démontage dudit flasque (5). - Dispositif selon la revendication 1, caractérisé par le fait que la portion radialement intérieure du jonc (8) loge dans une rainure (12) ménagée derrière la bride (13).
- Dispositif selon la revendication 2, caractérisé par le fait que la rainure (12) a une section en U.
- Dispositif selon l'une des revendications 2 ou 3, caractérisé par le fait que le diamètre de l'épaulement (14) formé par la rainure (12) et la paroi (10) de la cavité (7) a un diamètre au plus égal au diamètre de la bride (13).
- Dispositif selon la revendication 4, caractérisé par le fait que le diamètre de l'épaulement (14) est au plus égal au diamètre du fond des encoches (30a) de la bride (13).
- Dispositif selon l'une quelconque des revendications 2 à 5, caractérisé par le fait que le jonc (8) présente des faces radiales opposées planes, et l'épaisseur du jonc (8) est au plus égale à la largeur de la rainure (7).
- Dispositif selon l'une quelconque des revendications 1 à 6, caractérisé par le fait que le pied (16) du flasque (5) présente un alésage (17) dont le diamètre est sensiblement égal au diamètre de la bride (13).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0308713 | 2003-07-17 | ||
FR0308713A FR2857691B1 (fr) | 2003-07-17 | 2003-07-17 | Retention de flasque de rotor |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1498579A1 true EP1498579A1 (fr) | 2005-01-19 |
EP1498579B1 EP1498579B1 (fr) | 2015-12-02 |
Family
ID=33462547
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04291803.7A Active EP1498579B1 (fr) | 2003-07-17 | 2004-07-15 | Disque de rotor portant un flasque annulaire |
Country Status (7)
Country | Link |
---|---|
US (1) | US7217100B2 (fr) |
EP (1) | EP1498579B1 (fr) |
JP (1) | JP4181528B2 (fr) |
CA (1) | CA2475043C (fr) |
FR (1) | FR2857691B1 (fr) |
RU (1) | RU2340799C2 (fr) |
UA (1) | UA82660C2 (fr) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2899636A1 (fr) * | 2006-04-10 | 2007-10-12 | Snecma Sa | Dispositif de retention axiale d'un flasque de disque de rotor de turbomachine |
EP1956194A1 (fr) * | 2007-02-06 | 2008-08-13 | Siemens Aktiengesellschaft | Agencement de turbine avec un élément de fixation et procédé de sécurisation d'une plaque latérale |
EP2009244A1 (fr) | 2007-06-27 | 2008-12-31 | Snecma | Dispositif de retenue axiale d'aubes montées sur un disque de rotor de turbomachine |
WO2010049196A1 (fr) * | 2008-10-30 | 2010-05-06 | Siemens Aktiengesellschaft | Turbine à gaz avec plaques d'étanchéité sur le disque de turbine |
FR2939834A1 (fr) * | 2008-12-17 | 2010-06-18 | Turbomeca | Roue de turbine avec systeme de retention axiale des aubes |
EP2514923A1 (fr) * | 2011-04-18 | 2012-10-24 | MTU Aero Engines GmbH | Dispositif de diaphragme, corps de base de rotor à aubage intégral, procédé et turbomachine |
WO2014137435A3 (fr) * | 2013-03-05 | 2014-11-13 | Rolls-Royce North American Technologies, Inc. | Procédé de rétention de plaques de capot segmentées de turbine |
GB2518945A (en) * | 2013-07-30 | 2015-04-08 | Snecma | A device for guiding variable pitch diffuser vanes of a turbine engine |
FR3026430A1 (fr) * | 2014-09-29 | 2016-04-01 | Snecma | Roue de turbine dans une turbomachine |
FR3091719A1 (fr) * | 2019-01-15 | 2020-07-17 | Safran Aircraft Engines | secteur de flasque d’etancheite de disque de rotor |
FR3108669A1 (fr) * | 2020-03-25 | 2021-10-01 | Safran Aircraft Engines | Roue à aubes d’une turbine d’un aéronef, turbine comportant une telle roue à aubes et procede de montage d’une telle roue à aubes |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0505186D0 (en) * | 2005-03-14 | 2005-04-20 | Cross Mfg 1938 Company Ltd | Improvements to a retaining ring |
FR2893093B1 (fr) * | 2005-11-08 | 2008-02-08 | Snecma Sa | Montage d'un anneau composite sur un disque de rotor d'une turbomachine. |
US8643244B2 (en) | 2011-07-25 | 2014-02-04 | Hamilton Sundstrand Corporation | Strength cast rotor for an induction motor |
FR2982635B1 (fr) * | 2011-11-15 | 2013-11-15 | Snecma | Roue a aubes pour une turbomachine |
RU2493371C1 (ru) * | 2012-05-11 | 2013-09-20 | Открытое акционерное общество "Авиадвигатель" | Ротор турбины турбореактивного двигателя |
US9228443B2 (en) * | 2012-10-31 | 2016-01-05 | Solar Turbines Incorporated | Turbine rotor assembly |
US9453422B2 (en) * | 2013-03-08 | 2016-09-27 | General Electric Company | Device, system and method for preventing leakage in a turbine |
FR3020408B1 (fr) * | 2014-04-24 | 2018-04-06 | Safran Aircraft Engines | Ensemble rotatif pour turbomachine |
US10215037B2 (en) * | 2016-05-13 | 2019-02-26 | United Technologies Corporation | Contoured retaining ring |
US10502061B2 (en) | 2016-09-28 | 2019-12-10 | Pratt & Whitney Canada Corp. | Damper groove with strain derivative amplifying pockets |
FR3092609B1 (fr) * | 2019-02-12 | 2021-02-12 | Safran Aircraft Engines | Ensemble de turbine pour turbomachine d’aeronef a circuit de refroidissement de disque ameliore |
US11525464B2 (en) | 2021-03-23 | 2022-12-13 | Pratt & Whitney Canada Corp. | Rotor with centrifugally wedged damper |
US11391157B1 (en) | 2021-03-23 | 2022-07-19 | Pratt & Whitney Canada Corp. | Damped rotor assembly |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4304523A (en) * | 1980-06-23 | 1981-12-08 | General Electric Company | Means and method for securing a member to a structure |
US4349318A (en) * | 1980-01-04 | 1982-09-14 | Avco Corporation | Boltless blade retainer for a turbine wheel |
US5622475A (en) * | 1994-08-30 | 1997-04-22 | General Electric Company | Double rabbet rotor blade retention assembly |
EP0921272A2 (fr) * | 1997-12-03 | 1999-06-09 | Rolls-Royce Plc | Arrangement pour un disque de rotor d'une turbine |
FR2812906A1 (fr) * | 2000-08-10 | 2002-02-15 | Snecma Moteurs | Bague de retention axiale d'un flasque sur un disque |
-
2003
- 2003-07-17 FR FR0308713A patent/FR2857691B1/fr not_active Expired - Lifetime
-
2004
- 2004-07-15 CA CA2475043A patent/CA2475043C/fr active Active
- 2004-07-15 EP EP04291803.7A patent/EP1498579B1/fr active Active
- 2004-07-16 JP JP2004209497A patent/JP4181528B2/ja active Active
- 2004-07-16 UA UA20040705849A patent/UA82660C2/uk unknown
- 2004-07-16 RU RU2004122000/11A patent/RU2340799C2/ru active
- 2004-07-19 US US10/893,259 patent/US7217100B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4349318A (en) * | 1980-01-04 | 1982-09-14 | Avco Corporation | Boltless blade retainer for a turbine wheel |
US4304523A (en) * | 1980-06-23 | 1981-12-08 | General Electric Company | Means and method for securing a member to a structure |
US5622475A (en) * | 1994-08-30 | 1997-04-22 | General Electric Company | Double rabbet rotor blade retention assembly |
EP0921272A2 (fr) * | 1997-12-03 | 1999-06-09 | Rolls-Royce Plc | Arrangement pour un disque de rotor d'une turbine |
FR2812906A1 (fr) * | 2000-08-10 | 2002-02-15 | Snecma Moteurs | Bague de retention axiale d'un flasque sur un disque |
Cited By (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1845235A1 (fr) | 2006-04-10 | 2007-10-17 | Snecma | Dispositif de rétention axiale d'un flasque de disque de rotor de turbomachine |
FR2899636A1 (fr) * | 2006-04-10 | 2007-10-12 | Snecma Sa | Dispositif de retention axiale d'un flasque de disque de rotor de turbomachine |
US7857593B2 (en) | 2006-04-10 | 2010-12-28 | Snecma | Retaining device for axially retaining a rotor disk flange in a turbomachine |
EP1956194A1 (fr) * | 2007-02-06 | 2008-08-13 | Siemens Aktiengesellschaft | Agencement de turbine avec un élément de fixation et procédé de sécurisation d'une plaque latérale |
US8348620B2 (en) | 2007-06-27 | 2013-01-08 | Snecma | Device for axially retaining blades mounted on a turbomachine rotor disk |
EP2009244A1 (fr) | 2007-06-27 | 2008-12-31 | Snecma | Dispositif de retenue axiale d'aubes montées sur un disque de rotor de turbomachine |
FR2918106A1 (fr) * | 2007-06-27 | 2009-01-02 | Snecma Sa | Dispositif de retenue axiale d'aubes montees sur un disque de rotor de turbomachine. |
WO2010049196A1 (fr) * | 2008-10-30 | 2010-05-06 | Siemens Aktiengesellschaft | Turbine à gaz avec plaques d'étanchéité sur le disque de turbine |
CN102203389B (zh) * | 2008-10-30 | 2014-03-05 | 西门子公司 | 具有设置在涡轮叶轮盘上的密封板的燃气涡轮机 |
CN102203389A (zh) * | 2008-10-30 | 2011-09-28 | 西门子公司 | 具有设置在涡轮叶轮盘上的密封板的燃气涡轮机 |
US8573943B2 (en) | 2008-10-30 | 2013-11-05 | Siemens Aktiengesellschaft | Gas turbine having sealing plates on the turbine disc |
FR2939834A1 (fr) * | 2008-12-17 | 2010-06-18 | Turbomeca | Roue de turbine avec systeme de retention axiale des aubes |
WO2010076493A1 (fr) * | 2008-12-17 | 2010-07-08 | Turbomeca | Roue de turbine avec système de rétention axiale des aubes |
US8721293B2 (en) | 2008-12-17 | 2014-05-13 | Turbomeca | Turbine wheel with an axial retention system for vanes |
EP2514923A1 (fr) * | 2011-04-18 | 2012-10-24 | MTU Aero Engines GmbH | Dispositif de diaphragme, corps de base de rotor à aubage intégral, procédé et turbomachine |
WO2014137435A3 (fr) * | 2013-03-05 | 2014-11-13 | Rolls-Royce North American Technologies, Inc. | Procédé de rétention de plaques de capot segmentées de turbine |
US9803485B2 (en) | 2013-03-05 | 2017-10-31 | Rolls-Royce North American Technologies, Inc. | Turbine segmented cover plate retention method |
GB2518945A (en) * | 2013-07-30 | 2015-04-08 | Snecma | A device for guiding variable pitch diffuser vanes of a turbine engine |
GB2518945B (en) * | 2013-07-30 | 2020-04-08 | Snecma | A device for guiding variable pitch diffuser vanes of a turbine engine |
FR3026430A1 (fr) * | 2014-09-29 | 2016-04-01 | Snecma | Roue de turbine dans une turbomachine |
US9890652B2 (en) | 2014-09-29 | 2018-02-13 | Snecma | Turbine wheel for a turbine engine |
FR3091719A1 (fr) * | 2019-01-15 | 2020-07-17 | Safran Aircraft Engines | secteur de flasque d’etancheite de disque de rotor |
US11365643B2 (en) | 2019-01-15 | 2022-06-21 | Safran Aircraft Engines | Rotor disc sealing flange sector |
FR3108669A1 (fr) * | 2020-03-25 | 2021-10-01 | Safran Aircraft Engines | Roue à aubes d’une turbine d’un aéronef, turbine comportant une telle roue à aubes et procede de montage d’une telle roue à aubes |
Also Published As
Publication number | Publication date |
---|---|
RU2004122000A (ru) | 2006-01-27 |
CA2475043A1 (fr) | 2005-01-17 |
FR2857691B1 (fr) | 2006-02-03 |
UA82660C2 (uk) | 2008-05-12 |
EP1498579B1 (fr) | 2015-12-02 |
US7217100B2 (en) | 2007-05-15 |
CA2475043C (fr) | 2011-09-27 |
US20050042108A1 (en) | 2005-02-24 |
FR2857691A1 (fr) | 2005-01-21 |
RU2340799C2 (ru) | 2008-12-10 |
JP4181528B2 (ja) | 2008-11-19 |
JP2005036811A (ja) | 2005-02-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2475043C (fr) | Retention de flasque de rotor | |
EP1180580B1 (fr) | Dispositif de rétention d'une flasque annulaire contre une face radiale d'un disque à aubes | |
EP1439282B1 (fr) | Dispositif pour retenir un flasque annulaire contre une face radiale d'un disque | |
EP2529083B1 (fr) | Moyen de blocage d'un flasque d'étanchéité sur un disque de turbine | |
FR2914378A1 (fr) | Dispositif et clavette de verrouillage. | |
EP2315642B1 (fr) | Procede de reparation ou de reprise d'un disque de turbomachine | |
CA2720807C (fr) | Rotor de turbomachine comportant un bouchon anti-usure, bouchon anti-usure | |
EP1845235B1 (fr) | Dispositif de rétention axiale d'un flasque de disque de rotor de turbomachine | |
FR2857708A1 (fr) | Dispositif perfectionne de fixation d'un arbre de moteur sur un support de palier | |
EP2678531B1 (fr) | Rotor de soufflante et turboréacteur associé | |
EP3390855A1 (fr) | Etrier de frein a disque equipe d'une plaque protectrice integrant des plots de fixation au corps d'etrier | |
FR2745616A1 (fr) | Dispositif de maintien, notamment pour vehicule automobile | |
FR2986284A1 (fr) | Procede de reparation de marques d'usure. | |
FR2836955A1 (fr) | Systeme de commande des soupapes pour un moteur a combustion interne | |
CA2747983A1 (fr) | Dispositif de fixation d'aubes a attache marteau, disque de compresseur, compresseur et turbomachine associes | |
EP3444439A1 (fr) | Turbine pour turbomachine comportant des aubes comprenant un pied presentant une forme s'évansant axialement | |
FR2873745A1 (fr) | Disque de rotor de turbomachine | |
EP3859170B1 (fr) | Boulon comprenant un écrou et au moins une rondelle obtenue par durcissement d'un matériau pâteux, procédé de montage dudit boulon et assemblage comportant au moins un tel boulon | |
FR3082228A1 (fr) | Piece de turbomachine comprenant une rondelle cooperant avec un lamage | |
FR3055565A1 (fr) | Douillage en vis-a-vis pour la reparation de trous de serrage | |
FR2903138A1 (fr) | Aube mobile et disque de rotor de turbomachine, et dispositif d'attache d'une telle aube sur un tel disque | |
FR2841519A1 (fr) | Maitre-cylindre d'un vehicule muni d'un dispositif de retenue et procede de montage associe | |
FR2876938A1 (fr) | Dispositif de retenue pour faciliter le serrage d'une vis |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20040721 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL HR LT LV MK |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: SNECMA |
|
AKX | Designation fees paid |
Designated state(s): DE ES FR GB IT SE |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
INTG | Intention to grant announced |
Effective date: 20150615 |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAR | Information related to intention to grant a patent recorded |
Free format text: ORIGINAL CODE: EPIDOSNIGR71 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
INTG | Intention to grant announced |
Effective date: 20151015 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): DE ES FR GB IT SE |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D Free format text: NOT ENGLISH |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R096 Ref document number: 602004048299 Country of ref document: DE |
|
REG | Reference to a national code |
Ref country code: SE Ref legal event code: TRGR |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: ES Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20151202 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 13 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R097 Ref document number: 602004048299 Country of ref document: DE |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed |
Effective date: 20160905 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 14 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: CD Owner name: SAFRAN AIRCRAFT ENGINES, FR Effective date: 20170717 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 15 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: IT Payment date: 20230620 Year of fee payment: 20 Ref country code: FR Payment date: 20230621 Year of fee payment: 20 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: SE Payment date: 20230622 Year of fee payment: 20 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 20230620 Year of fee payment: 20 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20230620 Year of fee payment: 20 |