EP1584794A1 - Dispositif de retenue axiale d'aubes sur un disque de rotor d'une turbomachine - Google Patents
Dispositif de retenue axiale d'aubes sur un disque de rotor d'une turbomachine Download PDFInfo
- Publication number
- EP1584794A1 EP1584794A1 EP05290544A EP05290544A EP1584794A1 EP 1584794 A1 EP1584794 A1 EP 1584794A1 EP 05290544 A EP05290544 A EP 05290544A EP 05290544 A EP05290544 A EP 05290544A EP 1584794 A1 EP1584794 A1 EP 1584794A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- flange
- edge
- annular
- latch
- scalloped
- 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
- 230000014759 maintenance of location Effects 0.000 title description 8
- 239000007787 solid Substances 0.000 claims description 25
- 210000003323 beak Anatomy 0.000 claims description 9
- 230000003100 immobilizing effect Effects 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 description 15
- 210000002445 nipple Anatomy 0.000 description 9
- 230000006866 deterioration Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect 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
- 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
Definitions
- the present invention relates to an axial retention device for blades on a rotor disc, especially in a high-pressure compressor or a high-pressure turbine of a turbomachine such as a turbojet.
- the radially outer edge of the annular groove of the disc and the radially inner edge of the flange are scalloped or crenelated so corresponding, which allows to bring the flange inside the throat annular disc by axial translation when the solid parts of the edge scalloped flange are aligned with the hollow parts of the edge scalloped the annular groove, then axially block the flange in the annular groove by rotating it so that the solid parts of its scalloped edge are aligned with the solid parts of the scalloped edge of the annular groove of the disk and are axially supported thereon.
- the radially outer portion of the flange comprises, on its face turned towards the dawn feet, nipples that are meant to engage in corresponding cavities of the dawn feet and which ensure a locking the flange in rotation about its axis.
- the flange In the locking position, the flange is axially constrained by its parts resting on the dawn feet, on the downstream face of the disk and on the scalloped edge of the annular groove of the disc. To bring it into this position by rotation in the annular groove, it must be deformed into pulling axially on its radially outer part and pushing axially on its radially inner part, respectively to spread the aforementioned nipples of the ends of the dawn feet until the nipples are in front of cavities intended to receive them, and to make pass the full parts of the scalloped edge of the flange inside the annular groove of the disc.
- nipples In addition, the nipples must be machined and cut into the mass of flaccid, which is long and extremely expensive. It is also necessary to machine cavities receiving these nipples at the ends of the blade roots, which further increases the cost.
- the present invention is intended in particular to avoid these disadvantages of the known art.
- It relates to an axial retention device of the blade roots on a rotor disk of the aforementioned type, which does not require special machining flanges and allows easier assembly and disassembly of flanges on the rotor discs, while reducing the risks of deterioration of the flanges on assembly.
- an axial retention device of blades on a rotor disk of a turbomachine comprising a flange ring which is mounted by a radially inner edge in a throat ring, and which is supported by a radially external edge on the blade roots mounted in grooves in the periphery of the disc, characterized in that it also comprises a ring lock received in the annular groove of the disk to immobilize the rotating flange in this annular groove, said latch being movable in rotation in the annular groove between a locking position of the flange and a position of assembly and disassembly in the annular groove.
- the lock comprises hooks for engaging by elastic snapping on the edge radially internal flange and between solid parts of the scalloped edge or crenellated annular groove in the locking position of the flange.
- the hooks of the annular lock are formed on the solid parts its radially inner festooned part.
- the hooks of the latch have radial tabs extending toward the bolt axis from a radially external annular portion thereof and tabs axially connected to the radial tabs at one of their ends and terminating at their other end by a radially oriented beak the outside and forming a retaining member of the radially inner edge of the flange.
- the locking of the lock on the flange is made possible by a elastic deformation of the axial tabs and radial tabs of the hooks.
- the aforementioned axial tabs of the hooks are extended, at their end with the beaks, by second legs Radials extending in the opposite direction to the nozzles.
- These radial tabs engage precisely in the parts hollow of the edge of the annular groove of the disc and include advantageously means such as intake ports or of engagement by tools allowing, by traction, to snap the beaks on the edge of the flange and, by pushing, to release the beaks of the edge of the flange, for disassembly of the flange.
- the part radially outer ring lock is applied axially on the edge radially inner flange which is axially applied to the parts full of the scalloped edge of the annular groove and which is axially clamped between the radially outer portion of the annular lock and the spouts of hooks formed at the radially inner portion of said lock.
- the rotor of a compressor or a high-pressure turbine of a turbomachine comprises a plurality of rotor disks, one of which is partially shown in FIG. 1, each disk 10 bearing a plurality of substantially radial blades 12 whose feet 14 are engaged in axial grooves, for example dovetail, of the periphery of the record 10.
- the blades 12 mounted on the disk 10 are immobilized axially in these grooves by an upstream annular flange 16 and a downstream annular flange 18 mounted on the disc.
- the upstream annular flange 16 comprises on its part radially internal annular flange 20 oriented radially inwards and housed in an annular groove 22 of the upstream face of the disc 10 and a cylindrical flange 24 facing downstream and inserted into a groove cylindrical 26 of the upstream face of the disk 10.
- the radially outer portion 28 of the upstream flange 16 is based on the upstream end of the feet 14 of the blades 12 of the disk 10, thus ensuring their axial retention in the direction of upstream.
- the downstream annular flange 18 comprises a portion radially internal 30, whose edge is "scalloped” or crenellated, that is to say presenting solid portions alternately formed with hollow portions regularly distributed over the circumference of the flange 18, and housed in a annular groove 32 of the downstream face of the disc 10.
- the part radially external 34 of the downstream flange 18 is based on the downstream end of the feet 14 blades 12, thus ensuring their axial retention towards the downstream.
- the downstream flange 18 is immobilized in rotation around the axis of the disc 10 by means of several pins 36 provided on the upstream face of its radially outer portion 34 and intended to engage in cavities corresponding feet 14 of the blades 12.
- the radially inner annular edge 38 of the groove 32 is "Scalloped” or crenellated as the inner annular edge 30 of the flange 18, which makes it possible to engage the inner edge 30 of the flange 18 in the groove 32 by axial translation and then immobilize it axially by rotation in the groove 32 until the solid parts of the inner edge "Scalloped” or crenelated 30 of the flange 18 are aligned with the parts full of the edge 38 of the groove 32 and bearing on these solid parts.
- the annular flange 18 is axially constrained, its radially outer portion 34 being applied to pressure on the ends of the feet 14 of the blades 12 and its part radially inner being applied at pressure to the edge 38 of the throat 32.
- the device according to the invention avoids these disadvantages and also the need to machine nipples 36 on the outer portion of the flange 18 and cavities corresponding receiving in the feet 14 of the blades 12.
- This device comprises an annular flange 40 associated with a lock ring 42 which is mounted in the groove 32 of the disk 10 and is made of any suitable material, in particular of metal.
- the annular flange 40 corresponds essentially to the flange 18 of 1, with the exception of the nipples 36, and comprises an annular rim internal 44 housed in the annular groove 32 of the disc 10 and a scope cylindrical 46 formed on its upstream face and intended to engage with a weak play inside the radially outer peripheral edge of the throat ring 32 for centering the flange 40 on the disk 10.
- the downstream flange 40 further comprises on its part radially external, a cylindrical peripheral rim 48 facing upstream and which relies on the downstream end of the feet 14 of the blades 12, thus ensuring their axial restraint towards the downstream.
- the annular lock 42 is better visible in FIGS. 3 and 4 where it is represented by axial translation in the annular groove 32 whose radially inner edge 50 "scalloped” or crenellated has parts solid 52 formed alternately with hollow portions 54 regularly distributed over the circumference of the throat 32.
- the latch 42 essentially comprises a flat radial ring 56 on which depend hooks 58 intended to cooperate with the edges internal "scalloped” or crenellated flange 40 and throat 32.
- the number of hooks 58 can be equal to the number of hollow portions 54 of edge 50 or less than this number, the hooks 58 then being distributed over the circumference of lock 42.
- the hooks 58 extend downstream with respect to the flat ring 56 and include first radial tabs 60 extending from the ring 56 towards the axis of the latch 42, axial tabs 62 connected to the radially inner ends of the radial tabs 60 and oriented towards downstream of the disc 10, and second radial tabs 64 connected to the downstream ends of the axial lugs 62 and oriented towards the axis of the latch 42.
- the axial tabs 62 of the hooks 58 comprise at their end downstream, a spout 66 intended to engage on the inner edge 44 of the flange 40, the nozzles 66 having a radial upstream face 68 and a downstream face 70 oblique or beveled.
- the second radial tabs 64 of the hooks 58 comprise orifices 72 for gripping or engaging these tabs 64 with tools, as will be described in more detail in the following.
- the radial dimension of the ring 56 is relatively small by compared to that of the groove 32 of the disc 10, and the second radial tabs 64 hooks 58 have a shape and dimensions substantially combined with those of the hollow portions 54 of the edge 50 of the groove 32, so that the latch 42 can be engaged in the groove 32 by translation axial, without deformation, when its radial second legs 64 are aligned with the hollow portions 54 of the edge 50 of the groove 32, as is shown in FIG.
- the latch 42 is then moved in rotation about the axis of the disc 10 in the annular groove 32, from the position shown in FIG. FIG. 3, to a mounting position of the flange 40 represented in FIG. figure 5.
- the radially inner edge 44 of the downstream annular flange 40 is "Scalloped” or crenellated and has solid portions 74 formed of alternate with hollow parts 76 regularly distributed over the circumference of the flange 40.
- the "scalloped" edge 44 of the flange 40 is complementary to the edge 50 "scalloped" of the groove 32, so that when the latch 42 is in the mounting position of the flange 40 shown in Figure 5, the flange 40 can be inserted into the groove 32 by axial translation, the solid parts 74 of its edge 44 being aligned with the hollow portions 54 of the edge 50 of throat 32.
- the hollow portions 76 of the crenellated edge 44 of the flange 40 have a outer diameter smaller than the outer diameter of the nozzles 66, so that when the edge 44 of the flange 40 is engaged in the groove 32, the hooks 58 deform elastically by pressing the beaks 66 on the bottom of the hollow portions 76 of the edge 44 of the flange 40.
- the first radial tabs 60 and the axial tabs 62 of the hooks 58 are deformed and the angular spacing between them is modified and passes for example from a angle of 90 ° at an angle of about 120 °, the second radial tabs 64 being pushed towards the axis of the disk 10 without being deformed.
- the downstream face 70 oblique or beveled beaks 66 promotes the engagement of the flange 40 on the beaks 66 of the hooks 58 and the deformation of the tabs 60, 62 of the hooks 58 in the position of FIG. 7, where it can be seen that the latch 42 is pushed towards the bottom of the groove 32.
- the flange 40 is then moved, with the latch 42, in rotation around the axis of the disk 10 in the annular groove 32, from its position assembly shown in FIG. 6, to its locking position, represented in FIG.
- the flange 40 is supported by its end radially outer 48 on the feet 14 of the blades 12, the downstream face of the flat ring 56 of the latch 42 bears on the upstream face of the edge internal 44 flange 40 whose downstream face is supported on the parts 52 of the edge of the groove 32 of the disk 10, the upstream faces 68 of the nibs 66 hooks 58 of the latch 42 are supported on the downstream face of flange 40 and the radial tabs 64 of the hooks 58 are engaged between the solid portions 52 of the edge 50 of the groove 32 of the disc 10, so that the flange 40 - latch 42 is immobilized in rotation and in translation on the disk 10.
- the disassembly of the hooks 42 is carried out by axial thrust of the second radial tabs 64 upstream, by means of the aforementioned tools, then by rotation of the flange 40 and the latch 42 from the position of locking shown in Figure 8, to the disassembly position represented in FIG.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
Description
- la figure 1 est une vue schématique partielle en coupe axiale d'un disque de rotor de turbomachine comprenant un flasque annulaire aval de retenue des pieds d'aube selon la technique antérieure ;
- la figure 2 est une vue schématique partielle en coupe axiale d'un disque de rotor de turbomachine comprenant un dispositif selon l'invention pour la retenue axiale des pieds d'aube ;
- la figure 3 est une vue schématique partielle en perspective représentant un verrou annulaire du dispositif selon l'invention, logé dans une gorge annulaire du disque ;
- la figure 4 est une vue schématique partielle en coupe axiale de la figure 3;
- la figure 5 est une vue schématique partielle en perspective représentant le verrou annulaire dans une position de montage du flasque annulaire dans la gorge annulaire du disque ;
- la figure 6 est une vue schématique partielle représentant le flasque annulaire monté sur le verrou annulaire dans la gorge annulaire du disque ;
- la figure 7 est une vue schématique partielle en coupe axiale de la figure 6;
- la figure 8 est une vue schématique partielle représentant le flasque annulaire et le verrou annulaire dans une position intermédiaire de verrouillage ;
- la figure 9 est une vue schématique partielle en perspective représentant le flasque annulaire et le verrou annulaire en position finale de verrouillage ;
- la figure 10 est une vue schématique partielle en coupe axiale de la figure 9.
Claims (10)
- Dispositif de retenue axiale d'aubes (12) sur un disque (10) de rotor d'une turbomachine, le dispositif comprenant un flasque annulaire (40) qui est monté par un bord radialement interne (44) dans une gorge annulaire (32) du disque (10), et qui s'appuie par un bord radialement externe (48) sur les pieds (14) des aubes (12) montés dans des rainures de la périphérie du disque (10), caractérisé en ce qu'il comprend également un verrou annulaire (42) reçu dans la gorge annulaire (32) du disque (10) pour immobiliser le flasque (40) en rotation dans cette gorge annulaire (32), ledit verrou (42) étant déplaçable en rotation dans la gorge annulaire (32) entre une position de verrouillage du flasque (40) et une position de montage et de démontage dans la gorge annulaire (32).
- Dispositif selon la revendication 1, caractérisé en ce que le bord radialement externe (50) de la gorge annulaire (32) du disque (10) et les parties radialement internes (44, 50) du flasque annulaire (40) et du verrou annulaire (42) sont « festonnés » ou crénelés.
- Dispositif selon la revendication 1 ou 2, caractérisé en ce que le verrou (42) comprend des crochets (58) destinés à s'engager par encliquetage élastique sur le bord radialement interne (44) du flasque (40) et entre des parties pleines (52) du bord festonné ou crénelé (50) de la gorge annulaire (32) dans la position de verrouillage du flasque (40).
- Dispositif selon l'ensemble des revendications 2 et 3, caractérisé en ce que les crochets (58) du verrou annulaire (42) sont formés sur les parties pleines de sa partie radialement interne.
- Dispositif selon la revendication 3 ou 4, caractérisé en ce que les crochets (58) du verrou (42) comportent des pattes radiales (60) s'étendant vers l'axe du verrou (42) depuis une partie annulaire radialement externe (56) de celui-ci et des pattes axiales (62) raccordées aux pattes radiales (60) à une de leurs extrémités et se terminant à leur autre extrémité par un bec (66) orienté radialement vers l'extérieur et formant un organe de retenue (68) du bord radialement interne (44) du flasque (40).
- Dispositif selon la revendication 5, caractérisé en ce que les becs (66) des crochets du verrou (42) sont destinés à s'engager partiellement sur le bord annulaire des parties creuses (76) du bord festonné ou crénelé (44) du flasque (40), lors de la mise en place du flasque (40) par translation axiale dans la gorge annulaire (32) du disque (10).
- Dispositif selon l'une des revendications 2 à 6, caractérisé en ce que, dans la position de verrouillage du flasque (40), les parties pleines (74) du bord festonné ou crénelé (44) du flasque (40) sont alignées axialement avec les parties pleines (52) du bord festonné (50) de la gorge annulaire (32), pour l'immobilisation axiale du flasque (40) et du verrou (42) sur le disque (10), et les parties pleines de la partie radialement interne festonnée du verrou (42), engagées dans les parties creuses (76) du bord annulaire festonné (44) du flasque (40), sont engagées dans les parties creuses (54) du bord annulaire festonné (50) de la gorge (32) du disque (10) et sont alignées transversalement avec ces dernières pour l'immobilisation en rotation du verrou (42) et du flasque (40) sur le disque (10).
- Dispositif selon l'une des revendications 5 à 7, caractérisé en ce que les pattes axiales (62) des crochets sont prolongées, à leur extrémité comportant les becs (66), par des secondes pattes radiales (64) s'étendant dans la direction opposée aux becs (66), ces pattes radiales (64) comprenant des moyens tels que des orifices (72), de prise ou d'engagement (72) par des outils permettant, par traction, d'encliqueter les becs (66) sur le bord (76) du flasque (40) et, par poussée, de dégager les becs (66) du bord (76) du flasque (40), pour le démontage du flasque (40).
- Dispositif selon la revendication 8, caractérisé en ce que les secondes pattes radiales (64) du verrou (42) qui sont engagées dans les parties creuses (54) du bord festonné (50) de la gorge annulaire (32) dans la position de verrouillage du flasque (40), ont une forme sensiblement conjuguée de celle desdites parties creuses (54).
- Dispositif selon l'une des revendications précédentes, caractérisé en ce que, dans la position de verrouillage du flasque (40), la partie annulaire radialement externe (56) du verrou annulaire (42) est appliquée axialement sur le bord radialement interne (44) du flasque (40) qui est appliqué axialement sur les parties pleines (52) du bord festonné (50) de la gorge annulaire (32) et qui est serré axialement entre la partie radialement externe (56) du verrou annulaire (42) et les becs (66) des crochets (58) formés à la partie radialement interne dudit verrou (42).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0403738 | 2004-04-09 | ||
FR0403738A FR2868808B1 (fr) | 2004-04-09 | 2004-04-09 | Dispositif de retenue axiale d'aubes sur un disque de rotor d'une turbomachine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1584794A1 true EP1584794A1 (fr) | 2005-10-12 |
EP1584794B1 EP1584794B1 (fr) | 2016-07-27 |
Family
ID=34896732
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05290544.5A Active EP1584794B1 (fr) | 2004-04-09 | 2005-03-10 | Disque de rotor d'une turbomachine avec un dispositif de retenue axiale d'aubes |
Country Status (7)
Country | Link |
---|---|
US (1) | US7371050B2 (fr) |
EP (1) | EP1584794B1 (fr) |
JP (1) | JP4656983B2 (fr) |
CA (1) | CA2503011C (fr) |
FR (1) | FR2868808B1 (fr) |
RU (1) | RU2358116C2 (fr) |
UA (1) | UA85046C2 (fr) |
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US10641110B2 (en) * | 2017-09-01 | 2020-05-05 | United Technologies Corporation | Turbine disk |
EP3564489A1 (fr) * | 2018-05-03 | 2019-11-06 | Siemens Aktiengesellschaft | Rotor à surfaces de contact optimisées au niveau de forces centrifuges |
US10787921B2 (en) * | 2018-09-13 | 2020-09-29 | Raytheon Technologies Corporation | High pressure turbine rear side plate |
US10975707B2 (en) * | 2018-12-19 | 2021-04-13 | Pratt & Whitney Canada Corp. | Turbomachine disc cover mounting arrangement |
JP7458230B2 (ja) * | 2020-04-03 | 2024-03-29 | 三菱重工業株式会社 | 翼根ばねの組付け及び抜き取り用治具並びに翼根ばねの組付け及び抜き取り方法 |
FR3139855A1 (fr) | 2022-09-16 | 2024-03-22 | Safran Aircraft Engines | Ensemble rotatif de turbomachine comprenant un dispositif de retenue axiale de pieds d’aube dans les alvéoles d’un disque de rotor |
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- 2005-04-07 CA CA2503011A patent/CA2503011C/fr active Active
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Cited By (22)
Publication number | Priority date | Publication date | Assignee | Title |
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EP1795709A3 (fr) * | 2005-12-06 | 2012-11-28 | Rolls-Royce plc | Anneau de retenue pour turbine à gaz |
US8096776B2 (en) | 2006-10-26 | 2012-01-17 | Siemens Aktiengesellschaft | Turbine blade assembly |
FR2940351A1 (fr) * | 2008-12-19 | 2010-06-25 | Snecma | Rotor de turbine d'un moteur a turbine a gaz comprenant un disque de rotor et un flasque d'etancheite |
EP2224098A3 (fr) * | 2009-02-25 | 2014-01-01 | General Electric Company | Appareil pour la rétention de plaque d'arrêt d'aubes |
WO2011092439A1 (fr) | 2010-01-29 | 2011-08-04 | Snecma | Moyen de blocage d'un flasque d'étanchéité sur un disque de turbine |
FR2955889A1 (fr) * | 2010-01-29 | 2011-08-05 | Snecma | Moyen de blocage d'un flasque d'etancheite sur un disque de turbine |
US9033666B2 (en) | 2010-01-29 | 2015-05-19 | Snecma | Means for locking a sealing ring on a turbine disk |
EP2643554A1 (fr) * | 2010-11-24 | 2013-10-02 | Rolls-Royce Corporation | Ensemble disque aubagé |
EP2643554A4 (fr) * | 2010-11-24 | 2014-08-13 | Rolls Royce Corp | Ensemble disque aubagé |
US10330020B2 (en) | 2014-03-17 | 2019-06-25 | Safran Aircraft Engines | Turbojet with a discharge duct |
FR3018548A1 (fr) * | 2014-03-17 | 2015-09-18 | Snecma | Turboreacteur a conduit de decharge |
FR3020408A1 (fr) * | 2014-04-24 | 2015-10-30 | Snecma | Ensemble rotatif pour turbomachine |
US9784114B2 (en) | 2014-04-24 | 2017-10-10 | Snecma | Rotating assembly for a turbomachine |
EP3179050A1 (fr) * | 2015-12-07 | 2017-06-14 | General Electric Company | Élément radial clé de joint de rotor de turbine à vapeur, ensemble associé et turbine à vapeur |
CN107013258A (zh) * | 2015-12-07 | 2017-08-04 | 通用电气公司 | 蒸汽涡轮转子密封滑动键部件、相关组件及蒸汽涡轮 |
US10036268B2 (en) | 2015-12-07 | 2018-07-31 | General Electric Company | Steam turbine rotor seal sliding key member, related assembly and steam turbine |
US10047865B2 (en) | 2015-12-07 | 2018-08-14 | General Electric Company | Steam turbine rotor seal radial key member, related assembly and steam turbine |
EP3179049A1 (fr) * | 2015-12-07 | 2017-06-14 | General Electric Company | Élément clé coulissant de joint de rotor de turbine à vapeur, ensemble associé et turbine à vapeur |
CN107013258B (zh) * | 2015-12-07 | 2021-05-04 | 通用电气公司 | 蒸汽涡轮转子密封滑动键部件、相关组件及蒸汽涡轮 |
FR3085994A1 (fr) * | 2018-09-18 | 2020-03-20 | Safran Aircraft Engines | Anneau de retention axiale d'aubes pour roue mobile de turbomachine, de preference pour aeronef |
FR3092861A1 (fr) * | 2019-02-18 | 2020-08-21 | Safran Aircraft Engines | Ensemble de turbomachine comportant un taquet sur un jonc d'etancheite |
US11066940B2 (en) | 2019-02-18 | 2021-07-20 | Safran Aircraft Engines | Turbine engine assembly including a tappet on a sealing ring |
Also Published As
Publication number | Publication date |
---|---|
JP4656983B2 (ja) | 2011-03-23 |
RU2358116C2 (ru) | 2009-06-10 |
CA2503011C (fr) | 2012-09-11 |
UA85046C2 (uk) | 2008-12-25 |
FR2868808B1 (fr) | 2008-08-29 |
CA2503011A1 (fr) | 2005-10-09 |
JP2005299649A (ja) | 2005-10-27 |
RU2005110332A (ru) | 2006-10-20 |
FR2868808A1 (fr) | 2005-10-14 |
US20050271511A1 (en) | 2005-12-08 |
EP1584794B1 (fr) | 2016-07-27 |
US7371050B2 (en) | 2008-05-13 |
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