WO2011161371A1 - Roue mobile a aubes en materiau composite pour moteur a turbine a gaz a liaison pied d'aube/disque par serrage - Google Patents
Roue mobile a aubes en materiau composite pour moteur a turbine a gaz a liaison pied d'aube/disque par serrage Download PDFInfo
- Publication number
- WO2011161371A1 WO2011161371A1 PCT/FR2011/051424 FR2011051424W WO2011161371A1 WO 2011161371 A1 WO2011161371 A1 WO 2011161371A1 FR 2011051424 W FR2011051424 W FR 2011051424W WO 2011161371 A1 WO2011161371 A1 WO 2011161371A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- disk
- teeth
- clamping
- blade
- wheel according
- Prior art date
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 11
- 239000002184 metal Substances 0.000 claims abstract description 8
- 239000011153 ceramic matrix composite Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 238000009941 weaving Methods 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 2
- 241001659652 Discus catskillensis Species 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000007787 solid Substances 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
- 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
- F01D5/3023—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses
-
- 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
- F01D5/3023—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses
- F01D5/3046—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses the rotor having ribs around the circumference
-
- 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
- F01D5/3053—Fixing blades to rotors; Blade roots ; Blade spacers by means of pins
-
- 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
- F01D5/3069—Fixing blades to rotors; Blade roots ; Blade spacers between two discs or rings
-
- 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
- F01D5/12—Blades
- F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
- F01D5/282—Selecting composite materials, e.g. blades with reinforcing filaments
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2250/00—Geometry
- F05B2250/20—Geometry three-dimensional
- F05B2250/25—Geometry three-dimensional helical
-
- 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
- F05D2250/20—Three-dimensional
- F05D2250/25—Three-dimensional helical
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
Definitions
- Impeller wheel made of a composite material for a gas turbine engine with a dovetail / clamping disk connection.
- the invention relates to the assembly of blades of composite material on a disk of a gas turbine engine moving wheel.
- the targeted field is that of aeronautical engines and industrial turbines.
- a moving wheel of a gas turbine engine such as for example a low-pressure turbine wheel of an aerospace turbine engine, generally comprises a disc provided at its periphery with a plurality of cells in which the blades are mounted. the wheel by their respective foot.
- a blade of composite material has certain disadvantages related in particular to the mounting thereof on a metal disk.
- a method such as that described in document FR 2,939,129 does not make it possible to obtain blades whose dimensional tolerances are as fine and precise as for metal blades. This results in significant functional play between the blade roots and the disk cells in which they are mounted.
- such games cause tilts of the blades around their foot, which reduces the performance of the engine (the gas leaks between the platforms of the blades are increased).
- the present invention therefore has the main purpose of providing a wheel does not have the aforementioned drawbacks.
- a moving impeller for a gas turbine engine comprising;
- a metal holding disk having at its periphery a plurality of teeth extending radially outwardly of the disk;
- each blade comprising a foot which is engaged between two adjacent teeth of the holding disk and which is held between these teeth by a pivot connection;
- a clamping disk having at its periphery a plurality of teeth extending in an axial direction, the clamping disk being fixed coaxially on the holding disk with its teeth each being positioned circumferentially between a blade root and a tooth of the holding disk;
- the blades are held on the holding disk by clamping their foot on the disk. More precisely, the blade roots are tight between the teeth of the two discs of the wheel.
- the links between the blades of composite material and the metal disc are thus stiffened, which reduces the clearances between the blades and thus prevent engine performance losses.
- the clamping disk is fixed on the holding disk by means of a helical connection making it possible to exert a clamping force in a circumferential direction of the teeth of the clamping disk against the blade roots.
- This helical linkage may comprise a plurality of positioning screws each passing through two eccentric holes made in disk fixing flanges.
- each pivot connection comprises a pin which extends from a side face of one of the teeth of the holding disk in a circumferential direction and which passes through a hole made in the root of the corresponding blade.
- Each blade root may comprise a first lateral face which is flatly abutting against a lateral face of a tooth of the holding disk and a second lateral face opposite to the first which is in plane bearing against a lateral face of a tooth. of the clamping disc.
- the wheel further comprises means for centering the clamping disk on the holding disk.
- the clamping disc may comprise a plurality of circumferentially circumferentially angular disc segments.
- Each blade root can abut radially in the bottom of a groove delimited between two adjacent teeth of the holding disk. Alternatively, each blade root can abut axially in the bottom of a groove delimited between two adjacent teeth of the clamping disk.
- the invention also relates to a gas turbine engine comprising at least one wheel as defined above.
- FIGS. 1 and 2 are partial views, in perspective and exploded of a mobile wheel according to the invention
- FIG. 3 is an assembled view and in axial section of the wheel of Figure 1;
- FIG. 4 is a sectional view along IV-IV of Figure 3;
- FIGS. 5A and 5B show an exemplary embodiment of the helical connection between the discs of the wheel of FIGS. 1 and 2;
- FIGS. 6A and 6B are views, respectively in longitudinal section and in perspective, of a mobile wheel according to an alternative embodiment of the invention.
- Figures 1 and 2 show, partially and exploded, a movable wheel 10 according to the invention.
- This wheel comes from a stage of the low-pressure turbine of an aviation turbine engine.
- the invention applies more generally to any mobile wheel of a gas turbine engine (aeronautic or industrial).
- This wheel comprises a holding disk 100 and a clamping disc 200, these discs being metallic and centered on the longitudinal axis X-X of the low-pressure turbine around which they are rotated.
- the retaining disk 100 is provided at its periphery with a plurality of teeth 102 which protrude radially outwardly from the disk. These teeth 102 are regularly spaced from each other over the entire circumference of the disc and delimit between them grooves 104.
- the teeth 102 have side faces 102a which are substantially planar.
- One of the lateral faces of these teeth comprises a pin 102b which extends from this lateral face in a circumferential direction.
- Such a pin may have a cross section which is substantially circular as shown in Figure 1 or which may be of another form.
- the holding disk 100 also comprises an annular clamping flange 106 which extends upstream (with respect to the direction of flow of the gas flow passing through the turbine).
- the clamping disc 200 it is provided at its periphery with a plurality of teeth 202 which extend in an axial direction. These teeth are as numerous as the teeth 102 of the holding disk and each have side faces 202a which are substantially planar. They are regularly spaced from each other over the entire circumference of the disc and delimit between them grooves 204.
- the clamping disc 200 also includes an annular clamp 206 that extends upstream from the bottom of the grooves. This fixing flange is intended to be mounted against the corresponding attachment flange 106 of the holding disk 100.
- the wheel 10 further comprises a plurality of blades 300 which are made of composite material, for example ceramic matrix composite material (CMC), from processes known to those skilled in the art.
- CMC ceramic matrix composite material
- each blade 300 comprises a blade 302, a foot 304, an inner platform 306 located between the foot and the blade and optionally an outer platform or heel 308 near its free end.
- Document FR 2,939,129 the content of which is incorporated herein by reference, describes an exemplary embodiment of such a blade in one and the same piece.
- each blade 300 has a first and a second lateral face 304a which are substantially flat and which are traversed through by a hole 304b of complementary shape to the pins 102b of the teeth 102 of the holding disk.
- Such an orifice may be manufactured during the process of manufacturing the blade, either by using a correspondingly shaped insert during weaving, or by drilling the foot after the first infiltration.
- Each blade 300 is held on the retaining disk by means in particular of the clamping disc according to the following procedure (FIGS. 3, 4, 5A and 5B).
- each blade is first mounted between two adjacent teeth 102 of the clamping disc: it is more precisely mounted so that its first lateral face comes in plane bearing against the lateral face of the tooth which is provided with the pin 102b , the latter passing through the hole 304b of the foot so as to make a pivot connection between the root of the blade and the corresponding tooth of the holding disk.
- the clamping disk 200 is then brought axially from the upstream to the downstream so that its teeth 202 are each positioned circumferentially between a blade root 304 and a tooth 202 of the holding disk. More precisely, one of the lateral faces 202a of the tooth in question of the clamping disc bears in plane bearing against the second lateral face 304a of the blade root.
- a clamping force in a circumferential direction is exerted by the teeth 202 of the clamping disc 200 against the roots of the blades 304.
- This clamping force is obtained by means of a helical connection between the holding and clamping discs which is described hereinafter with reference to FIGS. 5A and 5B.
- the clamping disc 200 of the wheel is fixed on the holding disc 100 by means of the respective fastening flanges 206, 106 of these discs.
- these attachment flanges 206, 106 each have a plurality of holes, respectively 208, 108, regularly distributed about the axis XX.
- the holes 208 of the clamping disk are distributed around the axis XX so as to be slightly eccentric with respect to the holes 108 of the holding disk when the centering disk is positioned on the clamping disc (this small centering gap is schematized by the Y mark in Figure 5A).
- Positioning screws 400 each pass through two holes made opposite one another in the flanges for fixing the disks. These screws each have a threaded rod 402 of smaller diameter than the holes 108, 208 so as to be able to pass without contact.
- the threaded rod connects to the screw head 404 by means of a larger diameter cylinder 406 (the diameter difference between the cylinder 406 and the threaded rod 402 is at least twice the value of the offset Y).
- the feet 304 of the blades 300 are clamped between the two discs 100, 200 of the wheel ensuring a perfect maintenance of the blades.
- This clamping is performed with a clearance which is calculated according to the expansion gaps and geometric dispersions due to manufacturing tolerances and displacements of the disks.
- the orientation of the blades on the disks can be obtained either by radial abutment of each blade root 304 in the bottom of the corresponding groove 104 of the holding disk, or by axial abutment of each blade root in the bottom of the groove 204 of the clamping disc.
- centering means of the clamping disk 200 on the holding disk 100 can be advantageously provided centering means of the clamping disk 200 on the holding disk 100. As shown in FIG. 3, such centering can be achieved by means of an annular shoulder 210 formed at the free end of the fastening flange 206 of the clamping disc and housed under the fastening flange 106 of the holding disk. Thus, it is possible to maintain in position the planar supports of the blade roots and to facilitate the assembly of the blades.
- Figures 6A and 6B show a mobile wheel 10 'according to an alternative embodiment of the invention.
- clamping disk 200 is formed of a plurality of disk angular segments 200a which are circumferentially end-to-end to form a 360 ° ring. Such sectoring of the clamping disk makes it easier to mount it on the holding disk 100.
- a double centering of the clamping disc is provided on the holding disc: a first centering is achieved by the annular shoulder 210 formed at the free end of the fastening flange 206 of the disc and a second centering is formed by an annular shoulder 212 of the clamping disk being positioned against a corresponding annular shoulder 110 of the holding disk ( Figure 6A).
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Composite Materials (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/698,208 US9422818B2 (en) | 2010-06-25 | 2011-06-21 | Gas turbine engine rotor wheel having composite material blades with blade-root to disk connection being obtained by clamping |
GB1222521.5A GB2496531B (en) | 2010-06-25 | 2011-06-21 | A gas turbine engine rotor wheel having composite material blades with blade-root to disk connection being obtained by clamping |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1055113A FR2961847B1 (fr) | 2010-06-25 | 2010-06-25 | Roue mobile a aubes en materiau composite pour moteur a turbine a gaz a liaison pied d'aube/disque par serrage |
FR1055113 | 2010-06-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011161371A1 true WO2011161371A1 (fr) | 2011-12-29 |
Family
ID=43533408
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2011/051424 WO2011161371A1 (fr) | 2010-06-25 | 2011-06-21 | Roue mobile a aubes en materiau composite pour moteur a turbine a gaz a liaison pied d'aube/disque par serrage |
Country Status (4)
Country | Link |
---|---|
US (1) | US9422818B2 (fr) |
FR (1) | FR2961847B1 (fr) |
GB (1) | GB2496531B (fr) |
WO (1) | WO2011161371A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3004748A1 (fr) * | 2013-04-19 | 2014-10-24 | Snecma | Aube ou pale de moteur d'aeronef et procede et systeme de controle de defauts dans des composites par des particules ayant des proprietes ferromagnetiques |
EP2820297B1 (fr) * | 2012-02-29 | 2023-08-16 | Raytheon Technologies Corporation | Turbine d'entraînement de soufflante légère |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6082193B2 (ja) * | 2012-06-20 | 2017-02-15 | 株式会社Ihi | 翼の連結部構造及びこれを用いたジェットエンジン |
FR3006364B1 (fr) * | 2013-05-30 | 2018-07-13 | Safran Aircraft Engines | Roue de turbomachine, notamment pour turbine basse pression |
US10280768B2 (en) | 2014-11-12 | 2019-05-07 | Rolls-Royce North American Technologies Inc. | Turbine blisk including ceramic matrix composite blades and methods of manufacture |
US9909430B2 (en) | 2014-11-13 | 2018-03-06 | Rolls-Royce North American Technologies Inc. | Turbine disk assembly including seperable platforms for blade attachment |
RU2603384C1 (ru) * | 2015-11-25 | 2016-11-27 | Открытое Акционерное Общество "Уфимское Моторостроительное Производственное Объединение" (Оао "Умпо") | Рабочее колесо третьей ступени ротора компрессора низкого давления турбореактивного двигателя (варианты) |
RU2603377C1 (ru) * | 2015-11-25 | 2016-11-27 | Открытое Акционерное Общество "Уфимское Моторостроительное Производственное Объединение" (Оао "Умпо") | Рабочее колесо ротора компрессора низкого давления газотурбинного двигателя (варианты) |
RU2603383C1 (ru) * | 2015-11-25 | 2016-11-27 | Открытое Акционерное Общество "Уфимское Моторостроительное Производственное Объединение" (Оао "Умпо") | Рабочее колесо второй ступени ротора компрессора низкого давления турбореактивного двигателя (варианты) |
FR3057908B1 (fr) * | 2016-10-21 | 2019-11-22 | Safran Aircraft Engines | Ensemble rotatif d'une turbomachine muni d'un systeme de maintien axial d'une aube |
US10294954B2 (en) | 2016-11-09 | 2019-05-21 | Rolls-Royce North American Technologies Inc. | Composite blisk |
US10563665B2 (en) | 2017-01-30 | 2020-02-18 | Rolls-Royce North American Technologies, Inc. | Turbomachine stage and method of making same |
CN114055102B (zh) * | 2021-10-20 | 2023-03-07 | 中国航发四川燃气涡轮研究院 | 一种单涡轮叶片叶尖加工方法 |
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DE165854C (de) * | 1904-10-18 | 1905-12-01 | Hohenzollern Ag Für Lokomotivbau | Befestigung der schaufeln achsialer dampf- oder gasturbinen |
US2988324A (en) * | 1957-06-14 | 1961-06-13 | Napier & Son Ltd | Rotors for multi-stage axial flow compressors or turbines |
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FR2918409A1 (fr) * | 2007-07-05 | 2009-01-09 | Snecma Sa | Partie tournante de turbomachine comprenant des secteurs inter-aubes formant plateforme rapportes fixement sur un disque |
FR2939129A1 (fr) | 2008-11-28 | 2010-06-04 | Snecma Propulsion Solide | Aube de turbomachine en materiau composite et procede pour sa fabrication. |
FR2941487A1 (fr) * | 2009-01-28 | 2010-07-30 | Snecma | Aube de turbomachine en materiau composite a pied renforce |
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-
2010
- 2010-06-25 FR FR1055113A patent/FR2961847B1/fr active Active
-
2011
- 2011-06-21 US US13/698,208 patent/US9422818B2/en active Active
- 2011-06-21 WO PCT/FR2011/051424 patent/WO2011161371A1/fr active Application Filing
- 2011-06-21 GB GB1222521.5A patent/GB2496531B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE165854C (de) * | 1904-10-18 | 1905-12-01 | Hohenzollern Ag Für Lokomotivbau | Befestigung der schaufeln achsialer dampf- oder gasturbinen |
US2988324A (en) * | 1957-06-14 | 1961-06-13 | Napier & Son Ltd | Rotors for multi-stage axial flow compressors or turbines |
US4097276A (en) * | 1975-07-17 | 1978-06-27 | The Garrett Corporation | Low cost, high temperature turbine wheel and method of making the same |
FR2918409A1 (fr) * | 2007-07-05 | 2009-01-09 | Snecma Sa | Partie tournante de turbomachine comprenant des secteurs inter-aubes formant plateforme rapportes fixement sur un disque |
FR2939129A1 (fr) | 2008-11-28 | 2010-06-04 | Snecma Propulsion Solide | Aube de turbomachine en materiau composite et procede pour sa fabrication. |
FR2941487A1 (fr) * | 2009-01-28 | 2010-07-30 | Snecma | Aube de turbomachine en materiau composite a pied renforce |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2820297B1 (fr) * | 2012-02-29 | 2023-08-16 | Raytheon Technologies Corporation | Turbine d'entraînement de soufflante légère |
EP4245965A3 (fr) * | 2012-02-29 | 2023-12-20 | RTX Corporation | Turbine légère d'entraînement de ventilateur |
FR3004748A1 (fr) * | 2013-04-19 | 2014-10-24 | Snecma | Aube ou pale de moteur d'aeronef et procede et systeme de controle de defauts dans des composites par des particules ayant des proprietes ferromagnetiques |
Also Published As
Publication number | Publication date |
---|---|
US20130156590A1 (en) | 2013-06-20 |
FR2961847B1 (fr) | 2012-08-17 |
GB2496531B (en) | 2018-03-07 |
FR2961847A1 (fr) | 2011-12-30 |
US9422818B2 (en) | 2016-08-23 |
GB2496531A (en) | 2013-05-15 |
GB201222521D0 (en) | 2013-01-30 |
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