EP2722486B1 - Support de joint d'étanchéité pour ensemble statorique - Google Patents
Support de joint d'étanchéité pour ensemble statorique Download PDFInfo
- Publication number
- EP2722486B1 EP2722486B1 EP12188822.6A EP12188822A EP2722486B1 EP 2722486 B1 EP2722486 B1 EP 2722486B1 EP 12188822 A EP12188822 A EP 12188822A EP 2722486 B1 EP2722486 B1 EP 2722486B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fish
- axial
- mouth seal
- seal carrier
- shell element
- 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.)
- Not-in-force
Links
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
- F01D5/02—Blade-carrying members, e.g. rotors
- F01D5/08—Heating, heat-insulating or cooling means
-
- 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
- F01D11/001—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between stator blade and rotor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
-
- 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
- F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49316—Impeller making
- Y10T29/4932—Turbomachine making
- Y10T29/49321—Assembling individual fluid flow interacting members, e.g., blades, vanes, buckets, on rotary support member
Definitions
- the present invention relates to a fish-mouth seal carrier for a guide vane assembly of a gas turbine, a vane assembly or gas turbine with such a fish-mouth seal carrier and a method for its production.
- the fishmouth seal carrier is composed of a total of five sheet metal parts: an S-shaped sheet metal part to form a fishmouth gasket, an L-shaped sheet metal part to form an opposite fishmouth gasket, a U-shaped sheet metal part, a radial flange of the platform and a head between its radial legs a screw is arranged, a C-shaped sheet metal part in which a washer is received, which passes through the screw, and finally a G-shaped sheet metal part which carries the S-shaped sheet metal part, wherein the honeycomb seal on the L and the G is attached shaped sheet metal part.
- An object of an embodiment of the present invention is to improve the manufacture and / or operation of a gas turbine.
- a fishmouth seal carrier for a guide vane assembly of a gas turbine on a first half-shell member and a materially connected thereto, in particular welded, second half-shell element, which together a box section with two axial legs and form two radial legs.
- a sealing element which in one embodiment has a honeycomb seal, in particular can be, is arranged on an outer side of a, in installation position radially inner, this axial leg of the box profile.
- a box profile is understood in particular to mean a profile which has two, in particular at least substantially parallel, axial legs and two, in particular at least substantially parallel, radial legs, in particular thereof, which in a further embodiment is preferably at least substantially rectangular , Corners merge into each other.
- the first and / or second half-shell element has in each case an axial flange for forming a fish mouth seal, which is formed integrally or integrally with the half-shell element, in particular, ur- or reshaped.
- the Axialflansch acts in one embodiment as a so-called deflector of Fischmauldichtung. Opposite it radially in one embodiment is a radially inner platform of a vane assembly having one or more vanes to which the fishmouth seal carrier in one embodiment is suspended by means of a spoke centering. Radial between the platform and the axial flange, an axial flange of an adjacent blade assembly is arranged with one or more blades.
- a Fischmauldichtung upstream and / or downstream of the vane assembly may be formed or have the first and / or second half-shell element of the fish-mouth seal carrier having a corresponding, designed as a deflector Axialflansch.
- the axial flange of the first and / or second half-shell element extends in one embodiment, at least substantially, in the axial direction. He may have radial paragraphs or steps.
- the first half-shell element has a U-profile for forming the box profile and a radial flange formed integrally therewith.
- the radial flange can be followed by the axial flange on the side opposite the U-profile to form a fish gauge.
- the second half-shell element can have a radial flange, to which the axial flange can connect in one embodiment to form a fish-measuring direction.
- the radial flange together with the U-profile of the first half-shell element, can form the box profile, i. Completing the U-shaped profile lid-like and essentially form a radial leg of the U-profile.
- a U-profile for forming the box profile also connects to the radial flange on the second half-shell element on the axial flange, so that both half-shell elements each form a radial leg and in each case a part of the two axial legs of the box profile.
- a slider for suspending the fishmouth seal carrier on the vane assembly between the radial flange of the first half-shell member and the radial flange of the second half-shell member is mounted on both sides.
- the fish-mouth seal carrier may for this purpose have a bolt which passes through passage openings in the radial flanges and the sliding body arranged between them and thus defines them.
- the bolt can in particular be detachably or non-detachably fastened to the radial flanges, in particular screwed or riveted.
- the sliding body can be accommodated in a passage opening, in particular a slot, of the guide blade arrangement, so that the fish-mouth seal carrier is suspended by means of spoke centering on the guide blade arrangement.
- the sliding body can space and / or support the two radial flanges and thus improve the rigidity of the box profile.
- an additional sheet may be fixed to the radial flange of the first or second half-shell element. It can be axially supported on the vane assembly and thus secure the fishmouth seal carrier axially.
- the additional sheet may be arranged in an embodiment between the radial flange of the first half-shell element and the radial flange of the second half-shell element, in particular between the sliding body and a radial flange.
- the additional sheet may be frictionally secured to the radial flange, in particular clamped between this and the slider, in particular by a bolt which connects the two radial flanges and / or superimposed on the slider.
- a joint friction is impressed by the frictionally fixed additional sheet, which can advantageously damp vibrations.
- the additional sheet can be firmly bonded to the radial flange, in particular welded to this.
- the sealing element extends, at least substantially, axially from one to the other radial leg of the box section. In this way, a wide support surface can be provided and the box profile can be optimally used.
- the sealing element has a honeycomb seal and a carrier, in particular a carrier plate, which is arranged on the outside of the axial leg, in particular cohesively, connected thereto, in particular soldered, welded or glued, and on whose axialschenkelabgewandten side the Honigwabendichtung, in particular cohesively, attached, in particular soldered, welded or glued.
- the honeycomb seal can extend at least substantially axially from one to the other radial leg of the box profile and, in contrast, the carrier can project axially beyond one or both radial legs. This can protect the Honigwabendichtung especially with an axial rubbing.
- At least one reinforcing element in particular a reinforcing plate, attached to one or both radial limbs of the box section, in particular cohesively, preferably by welding, soldering or gluing.
- one or both radial legs may have an integral wall thickness thickening.
- one or both half-shell elements are formed into a urine.
- one or both half-shell elements in particular forging technology, can be reshaped.
- one or both half shell elements are designed as sheet metal construction. In particular, they can have a wall thickness which is a maximum of 5 mm, in particular a maximum of 3 mm, preferably a maximum of 2 mm. Due to the box construction, high rigidity can thus be achieved in one embodiment, despite the low wall thickness and correspondingly low weight.
- the two half-shell elements are firmly bonded together.
- they can be welded together, preferably without additional material, in particular by laser or friction welding. This allows a light and reliable joint connection can be achieved.
- they can also be glued or soldered together.
- the two half-shell elements are connected to each other at impact, in particular with end faces of one axial leg of a U-profile of the half-shell elements. In this way, the weight can be reduced and / or the welding can be simplified.
- half-shell elements can be connected to each other surface, in particular by welding superimposed axial leg of the two half-shell elements.
- the sealing element Before or after the cohesive bonding, the sealing element is arranged on an axial leg of the box profile. In particular, it may be made integral with one or both half-shell elements or connected to them prior to their connection. In a further development, the sealing element may be formed axially divided, wherein a part, in particular before the cohesive joining of the two half-shell elements together, with the first half-shell element and the other part is connected to the second half-shell element.
- the sealing element can also be connected to the first and / or second half-shell element after the cohesive joining of the two half-shell elements.
- the sealing element in particular a Honigwabendichtung or a connected thereto, preferably one-piece, carrier, a seam or joint of the cohesive joint connection of the two half-shell elements covers each other and thus secures the joint connection.
- the sealing element can be connected to one or both half shell elements in a materially bonded manner, in particular welded, glued or soldered.
- Fig. 1 shows in an axial section a part of a gas turbine with a vane arrangement with a plurality of vanes 10, at the radially inner (bottom in Fig. 1 ) Platform 11 a fishmouth seal carrier is suspended.
- the fish-mouth seal carrier has a first half-shell element 1 and a second half-shell element 2 welded thereto, which together form a box profile with two substantially parallel axial limbs (1.1 + 2.1), (1.2 + 2.2) and two substantially parallel radial limbs 1.3, 2.3, which merge into each other in rounded corners.
- a sealing element in the form of a stepped Honigwabendichtung 3 is disposed on an outer side of the radially inner axial leg (1.1 + 2.1).
- the first and second half-shell elements each have an axial flange 1.4 and 2.4, respectively, for forming a fish mouth seal, which is formed integrally with the half-shell element and functions as a deflector of the fish-mouth seal. Opposite it radially lies the radially inner platform 11 of the vane arrangement. Radial between the platform 11 and the axial flange 1.4 and 2.4, respectively, an axial flange 20.1 and 21.1 of an adjacent blade assembly with blades 20 and 21 is arranged.
- the axial flanges 1.4, 2.4 of the first and second half-shell elements extend substantially in the axial direction, wherein they have radial shoulders or steps.
- the first half-shell element has a U-profile 1.1, 1.2, 1.3 to form the box profile and a thus formed integrally radial flange 1.5.
- At the radial flange closes on the U-profile radially opposite side (above in Fig. 1 ) Axialflansch 1.4 to form the Fischmauldichtung.
- the second half-shell element also has a radial flange 2.5 which is substantially parallel to the radial flange 1.5 of the first half-shell element and to which the axial flange 2.4 connects.
- both half-shell elements joins on the axial flange 2.4 radially opposite side of the radial flange 2.5 a U-profile 2.1, 2.2, 2.3 to form the box profile, so that both half-shell elements each have a radial leg 1.3 and 2.3 and a part 1.1 or 2.1 of an axial leg (1.1 + 2.1) and a part 1.2 or 2.2 of the other axial leg (1.2 + 2.2) of the box profile form.
- a slider 4 for suspending the fishmouth seal carrier on the vane arrangement is mounted on both sides between the radial flange 1.5 of the first half-shell element and the radial flange 2.5 of the second half-shell element.
- the fish-mouth seal carrier on a bolt 5, which passes through openings in the radial flanges 1.5, 2.5 and arranged between these sliding body 4 and this determines.
- the sliding body is received in a passage opening in the form of a slot 12 of the vane arrangement, so that the fish-mouth seal carrier is suspended by means of spoke centering on the vane arrangement.
- the slider spaced the two radial flanges 1.5, 2.5 against each other and supports them against each other.
- An additional plate 6 is fixed to the radial flange 1.5 of the first half-shell element. It is supported axially on the vane assembly and thus secures the fishmouth seal carrier axially.
- the additional sheet is between the radial flange 1.5 of first half-shell element and the radial flange 2.5 of the second half-shell element, in particular the slider 4 and arranged by the bolt 5 frictionally fixed to the radial flange 1.5, in particular clamped between this and the slider 4.
- the sealing element extends axially substantially from one radial leg 1.3 to the other radial leg 2.3 of the box section.
- both half-shell elements 1.1-1.5, 2.1-2.5 are formed by casting molding or forging technology. Both half-shell elements are designed as sheet metal construction and have a wall thickness which is a maximum of 5 mm.
- the two half-shell elements are then welded together without additional material, in particular by laser or friction welding. Both half-shell elements are connected to end faces of one axial limb 1.1, 2.1 of a U-profile of the half-shell elements in abutment with each other.
- the sealing element 3 is arranged on the axial leg (1.1 + 2.1) of the box profile and welded thereto.
- the sealing element 3 covers a seam or joint 7 of the cohesive joint connection of the two half-shell elements from each other and thus secures the joint connection.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Claims (10)
- Support de joint d'étanchéité en forme de bouche de poisson pour ensemble statorique (10) d'une turbine à gaz, comprenant un premier élément demi-coque (1) et un deuxième élément demi-coque (2) relié à celui-ci par adhérence de matériau (7), lesquels forment ensemble un profil en caisson avec deux troncs axiaux (1.1+2.1, 1.2+2.2) et deux troncs radiaux (1.3, 2.3), et comprenant un élément d'étanchéité (3) qui est disposé sur un tronc axial (1.1+2.1) du profil en caisson, dans lequel au moins un des deux éléments demi-coque présente une bride axiale (1.4, 2.4) pour former un joint d'étanchéité en forme de bouche de poisson, caractérisé en ce que la bride axiale (1.4, 2.4) est formée intégralement et d'une seule pièce par l'élément demi-coque (1, 2).
- Support de joint d'étanchéité en forme de bouche de poisson selon la revendication précédente caractérisé en ce que le premier et/ou le deuxième élément demi-coque présentent un profilé en U (1.1 - 1.3, 2.1 - 2.3) pour former le profil en caisson, ainsi qu'une bride radiale (1.5, 2.5) ainsi formée d'une seule pièce.
- Support de joint d'étanchéité en forme de bouche de poisson selon la revendication précédente caractérisé par un corps coulissant (4) destiné à la suspension du support de joint d'étanchéité en forme de bouche de poisson à l'ensemble statorique, lequel est monté des deux côtés entre la bride radiale du premier élément demi-coque et la bride radiale du deuxième élément demi-coque, et/ou caractérisé par une plaque métallique supplémentaire (6) fixée à la bride radiale du premier ou deuxième élément demi-coque par frottement ou adhérence de matériau.
- Support de joint d'étanchéité en forme de bouche de poisson selon l'une quelconque des revendications précédentes caractérisé en ce que l'élément d'étanchéité présente un joint de nid d'abeille (3) et/ou s'étend au moins sensiblement axialement de l'un à l'autre tronc radial du profil en caisson.
- Support de joint d'étanchéité en forme de bouche de poisson selon l'une quelconque des revendications précédentes caractérisé en ce que la bride axiale du premier et/ou deuxième élément demi-coque s'étend au moins sensiblement dans le sens axial.
- Support de joint d'étanchéité en forme de bouche de poisson selon l'une quelconque des revendications précédentes caractérisé en ce qu'il est fabriqué selon un procédé selon la revendication 9 ou une revendication qui s'y réfère.
- Ensemble statorique (10) pour turbine à gaz, comprenant un support de joint d'étanchéité en forme de bouche de poisson selon l'une quelconque des revendications précédentes et une plateforme radialement interne (11), qui forme, conjointement avec au moins une bride axiale (1.4, 2.4) du support de joint d'étanchéité en forme de bouche de poisson, un joint d'étanchéité en forme de bouche de poisson pour loger une bride axiale (20.1, 21.1) d'un ensemble d'aubes mobiles voisin (20, 21) radialement entre la plateforme et la bride axiale.
- Turbine à gaz, en particulier propulseur de turbine à gaz, comprenant un ensemble statorique (10) selon la revendication précédente et au moins un ensemble d'aubes mobiles voisin (20, 21) comprenant une bride axiale (20.1, 21.1) qui est disposée radialement entre la plateforme (11) et une bride axiale (1.4, 2.4) d'un élément demi-coque (1, 2) du support de joint d'étanchéité en forme de bouche de poisson.
- Procédé de fabrication d'un support de joint d'étanchéité en forme de bouche de poisson selon l'une quelconque des revendications précédentes, comprenant les étapes suivantes :- formation initiale, notamment coulage, et/ou transformation, notamment forgeage, d'au moins un élément demi-coque (1, 2) ;- liaison par adhérence de matériau de cet élément demi-coque avec l'autre élément demi-coque ; et- disposition de l'élément d'étanchéité (3) sur un tronc axial (1.1+2.1) du profil en caisson.
- Procédé selon la revendication précédente dans lequel les deux éléments demi-coque sont reliés l'un à l'autre par adhérence de matériau, et sont notamment soudés, par aboutement (7) sur les faces avant de leur tronc axial.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12188822.6A EP2722486B1 (fr) | 2012-10-17 | 2012-10-17 | Support de joint d'étanchéité pour ensemble statorique |
US14/056,876 US9856736B2 (en) | 2012-10-17 | 2013-10-17 | Fish mouth seal carrier |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12188822.6A EP2722486B1 (fr) | 2012-10-17 | 2012-10-17 | Support de joint d'étanchéité pour ensemble statorique |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2722486A1 EP2722486A1 (fr) | 2014-04-23 |
EP2722486B1 true EP2722486B1 (fr) | 2016-12-07 |
Family
ID=47071165
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12188822.6A Not-in-force EP2722486B1 (fr) | 2012-10-17 | 2012-10-17 | Support de joint d'étanchéité pour ensemble statorique |
Country Status (2)
Country | Link |
---|---|
US (1) | US9856736B2 (fr) |
EP (1) | EP2722486B1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3409899A1 (fr) | 2017-06-02 | 2018-12-05 | MTU Aero Engines GmbH | Dispositif de joint d'étanchéité pourvu de tôle d'étanchéité assemblée par soudage, turbomachine et procédé de fabrication |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013212465B4 (de) * | 2013-06-27 | 2015-03-12 | MTU Aero Engines AG | Dichtanordnung für eine Strömungsmaschine, eine Leitschaufelanordnung und eine Strömungsmaschine mit einer derartigen Dichtanordnung |
EP2818643B1 (fr) * | 2013-06-27 | 2018-08-08 | MTU Aero Engines GmbH | Dispositif d'étanchéité et turbomachine |
DE102014212174A1 (de) * | 2014-06-25 | 2015-12-31 | MTU Aero Engines AG | Bürstendichtungssystem zum Abdichten eines Spalts zwischen relativ zueinander bewegbaren Bauteilen einer Strömungsmaschine |
FR3039589B1 (fr) * | 2015-07-28 | 2020-01-10 | Safran Aircraft Engines | Etage de turbomachine, en particulier de turbine basse-pression |
DE102016202519A1 (de) | 2016-02-18 | 2017-08-24 | MTU Aero Engines AG | Leitschaufelsegment für eine Strömungsmaschine |
DE102016222608A1 (de) | 2016-11-17 | 2018-05-17 | MTU Aero Engines AG | Dichtungsanordnung für eine Leitschaufelanordnung einer Gasturbine |
PL3409897T3 (pl) | 2017-05-29 | 2020-04-30 | MTU Aero Engines AG | Uszczelka maszyny przepływowej, sposób wytwarzania uszczelki oraz maszyna przepływowa |
EP3483399B1 (fr) * | 2017-11-09 | 2020-09-02 | MTU Aero Engines GmbH | Dispositif d'étanchéité pour une turbomachine, procédé de fabrication d'un dispositif d'étanchéité et turbomachine |
DE102018201295A1 (de) * | 2018-01-29 | 2019-08-01 | MTU Aero Engines AG | Modul für eine strömungsmaschine |
DE102018210513A1 (de) * | 2018-06-27 | 2020-01-02 | MTU Aero Engines AG | Rotor für eine Strömungsmaschine und Strömungsmaschine mit einem solchen Rotor |
IT201900013218A1 (it) * | 2019-07-29 | 2021-01-29 | Ge Avio Srl | Fascia interna per motore a turbina. |
FR3108358B1 (fr) * | 2020-03-19 | 2024-03-22 | Safran Aircraft Engines | Ensemble rotatif pour turbomachine comprenant une pièce annulaire de serrage. |
FR3113298B1 (fr) * | 2020-08-10 | 2023-09-01 | Safran Aircraft Engines | Porte-abradable d’un distributeur basse pression comprenant une unique tôle |
FR3120649A1 (fr) * | 2021-03-12 | 2022-09-16 | Safran Aircraft Engines | Ensemble statorique de turbine |
FR3126014B1 (fr) * | 2021-08-05 | 2024-06-14 | Safran Aircraft Engines | Distributeur pour turbomachine |
DE102022124401A1 (de) * | 2022-09-22 | 2024-03-28 | MTU Aero Engines AG | Modul für eine strömungsmaschine |
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US3603599A (en) * | 1970-05-06 | 1971-09-07 | Gen Motors Corp | Cooled seal |
US5215435A (en) * | 1991-10-28 | 1993-06-01 | General Electric Company | Angled cooling air bypass slots in honeycomb seals |
JP2004202544A (ja) * | 2002-12-25 | 2004-07-22 | Daido Steel Co Ltd | 異形断面をもつ多角形環状体部品の製造方法 |
JP4412081B2 (ja) * | 2004-07-07 | 2010-02-10 | 株式会社日立製作所 | ガスタービンとガスタービンの冷却方法 |
DE102004034312A1 (de) * | 2004-07-15 | 2006-02-02 | Mtu Aero Engines Gmbh | Dichtungsanordnung und Verfahren zur Herstellung eines Dichtkörpers für eine Dichtungsanordnung |
FR2928961B1 (fr) * | 2008-03-19 | 2015-11-13 | Snecma | Distributeur sectorise pour une turbomachine. |
FR2928963B1 (fr) * | 2008-03-19 | 2017-12-08 | Snecma | Distributeur de turbine pour une turbomachine. |
DE102010055435B4 (de) * | 2010-12-21 | 2018-03-29 | Rolls-Royce Deutschland Ltd & Co Kg | Innendeckband einer Gasturbine sowie Verfahren zur Herstellung eines Innendeckbandes |
US9080449B2 (en) * | 2011-08-16 | 2015-07-14 | United Technologies Corporation | Gas turbine engine seal assembly having flow-through tube |
-
2012
- 2012-10-17 EP EP12188822.6A patent/EP2722486B1/fr not_active Not-in-force
-
2013
- 2013-10-17 US US14/056,876 patent/US9856736B2/en active Active
Non-Patent Citations (1)
Title |
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None * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3409899A1 (fr) | 2017-06-02 | 2018-12-05 | MTU Aero Engines GmbH | Dispositif de joint d'étanchéité pourvu de tôle d'étanchéité assemblée par soudage, turbomachine et procédé de fabrication |
DE102017209420A1 (de) | 2017-06-02 | 2018-12-06 | MTU Aero Engines AG | Dichtungsanordnung mit angeschweißtem Dichtungsblech, Strömungsmaschine und Herstellungsverfahren |
Also Published As
Publication number | Publication date |
---|---|
US20140105725A1 (en) | 2014-04-17 |
EP2722486A1 (fr) | 2014-04-23 |
US9856736B2 (en) | 2018-01-02 |
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