EP3077627A1 - Radscheibe mit wenigstens einem dichtblech - Google Patents
Radscheibe mit wenigstens einem dichtblechInfo
- Publication number
- EP3077627A1 EP3077627A1 EP15713737.3A EP15713737A EP3077627A1 EP 3077627 A1 EP3077627 A1 EP 3077627A1 EP 15713737 A EP15713737 A EP 15713737A EP 3077627 A1 EP3077627 A1 EP 3077627A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wheel disc
- screw
- sealing plate
- circumferential direction
- 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
- 238000007789 sealing Methods 0.000 title claims abstract description 57
- 239000002184 metal Substances 0.000 title abstract 5
- 239000011324 bead Substances 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 101100033673 Mus musculus Ren1 gene Proteins 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
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
- F01D11/003—Preventing or minimising internal leakage of working-fluid, e.g. between stages by packing rings; Mechanical seals
-
- 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
- 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
- F01D5/02—Blade-carrying members, e.g. rotors
-
- 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
- F01D5/32—Locking, e.g. by final locking blades or keys
- F01D5/326—Locking of axial insertion type blades by other means
-
- 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
- F05D2220/00—Application
- F05D2220/30—Application in turbines
- F05D2220/32—Application in turbines in gas turbines
-
- 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
- F05D2240/00—Components
- F05D2240/20—Rotors
- F05D2240/24—Rotors for turbines
-
- 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
- F05D2260/00—Function
- F05D2260/30—Retaining components in desired mutual position
-
- 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
- F05D2260/00—Function
- F05D2260/30—Retaining components in desired mutual position
- F05D2260/31—Retaining bolts or nuts
-
- 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
- F05D2260/00—Function
- F05D2260/30—Retaining components in desired mutual position
- F05D2260/36—Retaining components in desired mutual position by a form fit connection, e.g. by interlocking
Definitions
- the present invention relates to a wheel disc having at least one sealing plate which is slidably mounted on the wheel disc in the circumferential direction, and at least one securing device which is designed such that it prevents the at least one sealing plate in the intended mon ⁇ oriented state against displacement in the circumferential direction Wheel disc secures.
- Such wheel discs are known in the art. They form components of rotors, such as Gasturbi ⁇ nenindustrialrn or the like.
- a plurality of sealing plates are slidably disposed in the circumferential direction of a wheel disc.
- the sealing plates may ⁇ example, be inserted into a circumferential groove provided on the wheel disc with its radially inwardly facing edge.
- Such can, for example, by a through a provided in the sealing plate through opening extending
- Screw and provided on the wheel disc Gewindeboh ⁇ tion are formed, in which the screw is screwed in the bestimm ⁇ according to the assembled state.
- a problem with such a safety device is that the notch effect associated with the threaded hole provided in the wheel disc can cause problems.
- screws can often no longer be loosened in the event of servicing, which entails time-consuming boring of the connection.
- the present invention provides a wheel disc of the type mentioned, which is characterized ge ⁇ indicates that the securing device has a bolted to the sealing plate and extending through this screw and a recess provided on the wheel disc, the free end of the Bolt in the intended assembled state receives and whose wall limits movement of the screw in the circumferential direction. Due to the fact that the screw according to the invention is bolted to the sealing plate and not with the wheel disc, it is prevented that the wheel disc, compared to the
- Sealing plate forms the much more expensive component is affected by a thread-induced notch effect. Furthermore, a screw that is bolted to the sealing plate, relatively easy to remove in case of service without damaging the wheel, even if the screw can not be solved.
- the recess is preferably formed as a slot extending transversely to the circumferential direction in the wheel disc. Accordingly manufacturing tolerances, banksdeh ⁇ calculations or the like can be easily compensated.
- the screw is screwed into a thread provided with a réellege ⁇ sleeve which is non-rotatably held in a recess provided on the sealing sheet through hole.
- a sleeve is advantageous in that it can be exchanged in case of service in a simple manner. Also, a proper fastening ⁇ tion of the screw can be ensured via such a sleeve, even if the
- Sealing plate has only a small thickness.
- the sleeve has at least one radially outwardly projecting projection which is inserted into a corresponding From ⁇ savings during the insertion of the sleeve into the through-opening, which extends starting from the through opening.
- a structurally simple anti-rotation is achieved, which also can be easily installed.
- the recess of the through opening is advantageously accessible from DER possessed side of the sealing plate which faces in the intended mounted state of the wheel disc provided in the recess provided ⁇ .
- the sleeve is advantageous, so that the sleeve during screwing of the screw is automatically secured on the sealing sheet from the back of sealing plate mon ⁇ advantage.
- a captive which secures the screw in the intended mounted state on the sealing ⁇ sheet. In this way it can be prevented that the screw accidentally loosened during normal operation of the wheel disc.
- the captive on a circlip which is provided with radially outwardly projecting securing projections, which engage in the intended mounted state in such corrresponding ⁇ dierend on the screw and the sealing plate formed on ⁇ recesses, that twisting both the screw and the locking ring is prevented.
- the receiving recesses may, for example, each extend in the axial direction such that the securing projections can be bent after tightening the screw in the receiving recesses.
- the screw is formed at its free end, with which it engages in the intended mounted state in the recess of the wheel disc, rounded. Accordingly, any damage to the wheel disc can be prevented by the screw.
- the at least one sealing plate is held in a form-fitting manner on the wheel disc.
- the at least one sealing plate may have a bead-like edge region, which is received in a correspondingly formed undercut receiving groove of the wheel disc.
- Figure 2 is a front perspective view of the wheel disc shown in Figure 1;
- FIG. 3 shows a perspective rear view of that in FIG. 1
- Figure 4 is a perspective view of a sleeve shown in Figures 1 and 3;
- Figure 5 is a perspective view of a captive shown in Figures 1 and 3;
- Figure 6 is a perspective view of a screw shown in Figures 1 and 3;
- Figure 7 is a front perspective view of the seal plate shown in Figu ⁇ ren 1 and 3;
- Figure 8 is an enlarged view of the detail marked in Figure 7 with the reference numbers Be ⁇ VIII of the
- FIG. 9 shows a perspective rear view of that in FIG. 8
- FIGS. 1 to 9 show a wheel disc 1 according to an embodiment of the present invention or components thereof.
- the wheel disc 1 comprises a plurality of sealing plates 2, which are fastened to this displaceable in the circumferential direction.
- the radially inwardly facing edge of the sealing plate 2 is for this purpose provided with a bead 3, which is slidably received in an undercut receiving groove 4 in the circumferential direction, wherein the receiving groove 4 through the wheel disc 1 on the ⁇ hand and by a fixed to the wheel disc 1 Ver ⁇ closing piece 5 on the other hand, which in the present case has an L-shaped cross section.
- each sealing plate 2 is provided with at least one securing device 6, the individual components as a screw 7, provided on the wheel disc 1 recess 8, a sleeve 9 and a Securing ⁇ ring 10 has.
- the screw 7 comprises a screw head 11 and a
- Screw shaft 12 Centrally on the screw head 11 is disposed an Allen key follower sewing 13 in known manner ⁇ ter. Along the circumference of the screw head 11 are uniform distributed four receiving recesses 14 are formed, which extend in the axial direction through the screw head 11.
- the screw shaft 12 is provided with external thread 15 and formed rounded at its free end.
- the recess 8 of the wheel disc 1 serves to receive the screw 7, as will be explained in more detail below, and has corresponding dimensions. It is designed as a transversely extending to the circumferential direction slot.
- the sleeve 9 is provided with an internal thread 16 which is matched to the external thread 15 of the screw 7.
- the sleeve 9, which is inserted in the intended state in a fürgangsöff ⁇ tion 17 of the sealing plate 2, comprises at its rear free end a radially outwardly projecting projection 18 which is inserted during the insertion of the sleeve 9 in the through hole 17 in a corresponding recess 19 is, which extends from the passage opening 17 and is accessible from that side of the sealing plate 2, which faces the recess 8.
- the securing ring 10 is provided with four radially outwardly projecting, equally spaced along the circumference backup ⁇ projections 20, whose dimensions are chosen such that they can be in the receiving recesses 14 of the screw 7 on the one hand and in receiving recesses 21 on the other hand be ⁇ accepted that to the front side of the sealing plate 2 are arranged on opposite sides of the passage opening 17.
- the bead 3 is arranged at the intended position on the wheel disc 1 in a first step such that the passage opening of the sealing plate 2 and the recess 8 of the wheel disc are arranged in alignment with each other, whereupon the closure piece 5 is positioned and is attached to the wheel disc 1. Now, the bead 3 is slidably received in the rear-cut receiving groove 4 in the circumferential direction. men.
- the securing ring 10 is pushed onto the screw shank 12 of the screw 7, whereupon it is screwed into the sleeve 9 in such a way that the free end of the screw shank 12 is received in the depression 8 provided on the wheel disc 1.
- Securing device 6 is accompanied, is that the wheel disc 1, which forms a comparatively expensive component is impaired in any way by notch effects. Furthermore, the securing device 6 can be easily released or replaced during maintenance work. Thanks to the fact that the recess 8 is formed as a slot, manufacturing tolerances and thermal movements of the sealing plate 2 can be compensated. Overall, a very simple and inexpensive construction is achieved.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gasket Seals (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Pressure Vessels And Lids Thereof (AREA)
- Connection Of Plates (AREA)
- Bolts, Nuts, And Washers (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP15713737.3A EP3077627B1 (de) | 2014-04-15 | 2015-03-31 | Radscheibe mit wenigstens einem dichtblech |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14164724.8A EP2933436A1 (de) | 2014-04-15 | 2014-04-15 | Radscheibe mit wenigstens einem Dichtblech |
EP15713737.3A EP3077627B1 (de) | 2014-04-15 | 2015-03-31 | Radscheibe mit wenigstens einem dichtblech |
PCT/EP2015/056985 WO2015158542A1 (de) | 2014-04-15 | 2015-03-31 | Radscheibe mit wenigstens einem dichtblech |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3077627A1 true EP3077627A1 (de) | 2016-10-12 |
EP3077627B1 EP3077627B1 (de) | 2017-11-01 |
Family
ID=50513703
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14164724.8A Withdrawn EP2933436A1 (de) | 2014-04-15 | 2014-04-15 | Radscheibe mit wenigstens einem Dichtblech |
EP15713737.3A Not-in-force EP3077627B1 (de) | 2014-04-15 | 2015-03-31 | Radscheibe mit wenigstens einem dichtblech |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14164724.8A Withdrawn EP2933436A1 (de) | 2014-04-15 | 2014-04-15 | Radscheibe mit wenigstens einem Dichtblech |
Country Status (5)
Country | Link |
---|---|
US (1) | US20170191371A1 (de) |
EP (2) | EP2933436A1 (de) |
JP (1) | JP2017527745A (de) |
CN (1) | CN106232942B (de) |
WO (1) | WO2015158542A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019211091A1 (de) | 2018-05-03 | 2019-11-07 | Siemens Aktiengesellschaft | Rotor mit fliehkraft-optimierten kontaktflächen |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2975219A1 (de) * | 2014-07-17 | 2016-01-20 | Siemens Aktiengesellschaft | Radscheibenanordnung |
CN107178395A (zh) * | 2017-06-27 | 2017-09-19 | 东方电气集团东方汽轮机有限公司 | 一种用于透平叶片在叶轮轮槽中轴向定位的结构 |
CN109707719A (zh) * | 2018-12-28 | 2019-05-03 | 天津市盛立达机械设备有限公司 | 双螺母抵紧锁死螺栓 |
EP3960987A1 (de) * | 2020-08-31 | 2022-03-02 | Siemens Energy Global GmbH & Co. KG | Rotoranordnung für einen rotor einer gasturbine und gasturbine mit einer solchen rotoranordnung |
US11542819B2 (en) * | 2021-02-17 | 2023-01-03 | Pratt & Whitney Canada Corp. | Split ring seal for gas turbine engine rotor |
US12018567B2 (en) * | 2022-05-31 | 2024-06-25 | Pratt & Whitney Canada Corp. | Joint between gas turbine engine components with bonded fastener(s) |
Family Cites Families (30)
Publication number | Priority date | Publication date | Assignee | Title |
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US3215183A (en) * | 1963-03-11 | 1965-11-02 | Components Engineering And Mfg | Unitized fastener |
US3259161A (en) * | 1963-11-12 | 1966-07-05 | Rosan Eng Corp | Fastener with captive locking ring |
US3391721A (en) * | 1966-01-20 | 1968-07-09 | Rosan Eng Corp | Insert having integral internal thread lock and method of making same |
US3501249A (en) * | 1968-06-24 | 1970-03-17 | Westinghouse Electric Corp | Side plates for turbine blades |
US3572966A (en) * | 1969-01-17 | 1971-03-30 | Westinghouse Electric Corp | Seal plates for root cooled turbine rotor blades |
US3721506A (en) * | 1971-05-25 | 1973-03-20 | Gen Electric | Split-nut blade locking assembly |
US3748060A (en) * | 1971-09-14 | 1973-07-24 | Westinghouse Electric Corp | Sideplate for turbine blade |
US3853425A (en) * | 1973-09-07 | 1974-12-10 | Westinghouse Electric Corp | Turbine rotor blade cooling and sealing system |
US3930751A (en) * | 1974-07-05 | 1976-01-06 | Carrier Corporation | Bucket locking mechanism |
JPS5835203A (ja) * | 1981-08-28 | 1983-03-01 | Hitachi Ltd | バケツトロツク機構 |
US4483661A (en) * | 1983-05-02 | 1984-11-20 | General Electric Company | Blade assembly for a turbomachine |
JPS6247703U (de) * | 1985-09-13 | 1987-03-24 | ||
US5030063A (en) * | 1990-02-08 | 1991-07-09 | General Motors Corporation | Turbomachine rotor |
FR2679599A1 (fr) * | 1991-07-24 | 1993-01-29 | Snecma | Perfectionnement aux roues a aubes de turbomachines. |
US5277548A (en) * | 1991-12-31 | 1994-01-11 | United Technologies Corporation | Non-integral rotor blade platform |
US5232323A (en) * | 1992-09-28 | 1993-08-03 | General Electric Company | Removable threaded fastener with locking plate |
FR2803623B1 (fr) * | 2000-01-06 | 2002-03-01 | Snecma Moteurs | Agencement de retenue axiale d'aubes dans un disque |
ITMI20021465A1 (it) * | 2002-07-03 | 2004-01-05 | Nuovo Pignone Spa | Dispositivo di schermatura termica di facile montaggio per un accoppiamento tra una tubazione di raffreddamento ed una foratura passante rea |
US7093835B2 (en) * | 2002-08-27 | 2006-08-22 | United Technologies Corporation | Floating brush seal assembly |
FR2850130B1 (fr) * | 2003-01-16 | 2006-01-20 | Snecma Moteurs | Dispositif pour retenir un flasque annulaire contre une face radiale d'un disque |
EP1619354B1 (de) * | 2004-07-22 | 2008-04-09 | Siemens Aktiengesellschaft | Sicherungsvorrichtung für eine an einer drehbaren Rotorscheibe angeordneten Laufschaufel einer Strömungsmaschine, Strömungsmaschine und Verfahren zur Montage und Demontage einer Laufschaufel an einer Rotorscheibe einer Strömungsmaschine |
EP1840338B1 (de) * | 2006-03-28 | 2011-08-17 | Siemens Aktiengesellschaft | Anordnung zur Axialsicherung an Laufschaufeln in einem Rotor sowie Gasturbine mit einer solchen Anordnung |
EP1944472A1 (de) * | 2007-01-09 | 2008-07-16 | Siemens Aktiengesellschaft | Axialer Rotorabschnitt für einen Rotor einer Turbine, Dichtelement für einen mit Laufschaufeln bestückten Rotor einer Turbine und Rotor für eine Turbine |
US20090148298A1 (en) * | 2007-12-10 | 2009-06-11 | Alstom Technologies, Ltd. Llc | Blade disk seal |
FR2929660B1 (fr) * | 2008-04-07 | 2012-11-16 | Snecma | Dispositif anti-usure pour rotor de turbomachine, bouchon formant dispositif anti-usure et rotor de compresseur de moteur a turbine a gaz comportant un bouchon anti-usure |
EP2218873A1 (de) * | 2009-02-17 | 2010-08-18 | Siemens Aktiengesellschaft | Rotorabschnitt für einen Rotor einer Turbomaschine, Laufschaufel für eine Turbomaschine und Blockierelement |
FR2948725B1 (fr) * | 2009-07-28 | 2012-10-05 | Snecma | Dispositif anti-usure d'un rotor de turbomachine |
FR2955889B1 (fr) * | 2010-01-29 | 2012-11-16 | Snecma | Moyen de blocage d'un flasque d'etancheite sur un disque de turbine |
US8740573B2 (en) * | 2011-04-26 | 2014-06-03 | General Electric Company | Adaptor assembly for coupling turbine blades to rotor disks |
EP3015656A1 (de) * | 2014-10-30 | 2016-05-04 | Siemens Aktiengesellschaft | Radscheibenanordnung |
-
2014
- 2014-04-15 EP EP14164724.8A patent/EP2933436A1/de not_active Withdrawn
-
2015
- 2015-03-31 EP EP15713737.3A patent/EP3077627B1/de not_active Not-in-force
- 2015-03-31 CN CN201580020013.8A patent/CN106232942B/zh not_active Expired - Fee Related
- 2015-03-31 US US15/302,019 patent/US20170191371A1/en not_active Abandoned
- 2015-03-31 JP JP2016551167A patent/JP2017527745A/ja active Pending
- 2015-03-31 WO PCT/EP2015/056985 patent/WO2015158542A1/de active Application Filing
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019211091A1 (de) | 2018-05-03 | 2019-11-07 | Siemens Aktiengesellschaft | Rotor mit fliehkraft-optimierten kontaktflächen |
Also Published As
Publication number | Publication date |
---|---|
WO2015158542A1 (de) | 2015-10-22 |
US20170191371A1 (en) | 2017-07-06 |
EP2933436A1 (de) | 2015-10-21 |
CN106232942A (zh) | 2016-12-14 |
EP3077627B1 (de) | 2017-11-01 |
CN106232942B (zh) | 2018-04-10 |
JP2017527745A (ja) | 2017-09-21 |
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