EP3959422A1 - Outil pour deposer un disque de soufflante d'un module - Google Patents
Outil pour deposer un disque de soufflante d'un moduleInfo
- Publication number
- EP3959422A1 EP3959422A1 EP20729814.2A EP20729814A EP3959422A1 EP 3959422 A1 EP3959422 A1 EP 3959422A1 EP 20729814 A EP20729814 A EP 20729814A EP 3959422 A1 EP3959422 A1 EP 3959422A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tool
- module
- axis
- rotor
- drum
- 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
- 230000000007 visual effect Effects 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 238000000605 extraction Methods 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 22
- 230000000284 resting effect Effects 0.000 claims description 8
- 239000007769 metal material Substances 0.000 claims description 5
- 239000003550 marker Substances 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 description 7
- 238000011144 upstream manufacturing Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 3
- 229920006362 Teflon® Polymers 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation 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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/28—Supporting or mounting arrangements, e.g. for turbine casing
- F01D25/285—Temporary support structures, e.g. for testing, assembling, installing, repairing; Assembly methods using such structures
-
- 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
- F05D2230/00—Manufacture
- F05D2230/70—Disassembly methods
Definitions
- TITLE TOOL FOR REMOVING A BLOWER DISC FROM A
- the present invention relates in particular to a tool for removing a single fan disk from a module and to a method for removing a single fan disk from a module by means of such a tool.
- a turbomachine such as a bypass turbojet engine, comprises from upstream to downstream in the direction of gas flow, a fan, one or more compressor stages (low pressure then high pressure), a combustion chamber, a or several turbine stages (high pressure then low pressure) and an exhaust nozzle.
- Such a turbomachine corresponds to the assembly of a plurality of modules mounted relative to each other. During a maintenance action, different modules are dismantled and sent to different stations in order to undergo various maintenance operations (replacement of wearing parts, replacement / repair of parts with defects, etc.) necessary for the handover. in service of the turbomachine.
- module the low pressure compressor module
- Such a module is defined along a longitudinal axis X and comprises a rotor and a stator independent from one another.
- the rotor comprises in particular a fan disk, a drum and an annular sealing part centered on the X axis and fixed to each other via a circular row of bolts each comprising a screw and a nut.
- Each screw also passes through a retaining member arranged at inside the rotor.
- Each retaining member has at least two facing tabs arranged around a head of the screw and projecting relative to the latter, this retaining member making it possible to keep the head of the corresponding screw in place when removing the screw.
- 'associated nut which is located outside the rotor.
- the rotor also comprises several annular rows of vanes attached to the drum and arranged one behind the other, each row of vanes being more commonly called a “movable wheel”.
- the stator is centered on the X axis and surrounds the drum.
- the stator comprises several annular rectifiers interposed between the movable wheels.
- the first rectifier is associated with the fan so as to form stage 1, the following each being associated with a movable wheel so as to form the following stages.
- Each rectifier comprises an inner ring and an outer ring connected to each other by an annular row of blades.
- the outer ferrules of all rectifiers are flanged to each other.
- the existing tools make it possible to dismantle the module as a whole according to a determined process in which the fan disc is one of the elements of the module deposited last. In other words, the blower disc cannot be removed without completely dismantling the module.
- the objective of the present invention is thus to provide, on the one hand, a tool for removing a single fan disc from a module and, on the other hand, a method of removing a single fan disk from a module by means of such a tool thus allowing a gain in productivity.
- the invention thus proposes a tool for removing a single fan disk from a module with a longitudinal axis X of a turbomachine comprising a rotor and a stator, the rotor comprising the fan disk, a drum and a sealing part.
- stator centered on the X axis and surrounding the drum, the stator being delimited longitudinally by a rectifier placed opposite the disc fan, the rectifier comprising an outer shell having a flange, the vertical Z axis tool comprising:
- annular plate centered on the Z axis and integral with the frame, this plate comprising first and second circular rows of pins as well as two holes arranged around the Z axis at a regular pitch, each of the two holes being arranged between the first and second rows, each of the pins being configured to support the head of a screw so as not to degrade the tabs of the retaining members, each hole being configured to receive an indexing finger of the module relative to the tool ;
- each support comprising a bearing surface, the bearing surfaces being coplanar and being configured to support the module rectifier flange, the three supports being vertically located below the tray; - A first visual mark arranged on the frame and configured to orient the module angularly with respect to the tool.
- Such a tool makes it possible to remove the fan disk alone while keeping the rest of the assembled module.
- a maintenance operation relating only to the blower disc such a tool allows a significant gain in productivity.
- Such a tool can also be used for reinstalling the repaired blower disc (or fitting a new blower disc) onto the rest of the assembled module.
- the tool according to the invention may include one or more of the following characteristics and / or steps, taken in isolation from one another or in combination with one another:
- the first visual cue is in the form of a vertical line
- the tool includes a second visual reference placed on the frame and configured to determine a vertical position of the module from which the module must be indexed relative to the tool;
- the second visual cue is in the form of a horizontal line
- each of the three supports includes a recess configured to allow the passage of an annular row of blades attached to the drum.
- the present invention also relates to a method for removing a single fan disk from a module with a longitudinal axis X of a turbomachine comprising a rotor and a stator, the rotor comprising the fan disk, a drum and a component.
- reference bolts remove two predetermined bolts hereinafter referred to as reference bolts so as to have two free holes in the rotor, the angular distance between the reference bolts being equal to the angular difference between the two holes in the plate;
- Such a method makes it possible to remove the fan disc alone, by means of the tool, while keeping the rest of the assembled module.
- the implementation of such a method allows a significant gain in productivity.
- such a method makes it possible to remove the fan disk alone without damaging the other components of the module, and in particular the retaining members and the screws.
- the method according to the invention may include one or more of the following characteristics and / or steps, taken in isolation from one another or in combination with one another:
- the fan disc is extracted during step h) via three extractors distributed evenly around the Z axis, the extraction being controlled by progressively unscrewing three extraction nuts previously screwed on three screws each located nearby one of the three extractors, and by gradually inserting shims around the three screws fitted with extraction nuts between the fan disc and the drum, the extraction nuts and the wedges being in a non-metallic material;
- step h) comprises the sub-steps consisting of:
- each extraction nut has each extraction nut at a distance D from an upper face of a corresponding lobe of the fan disc, the upper face being disposed opposite the extraction nut;
- step d) is carried out when the rectifier flange is located vertically at a second visual mark placed on the frame of the tool;
- the module is maintained during steps a) to f) via a first handling tool on which is positioned and held the module, the first handling tool comprising at least one pair of first opposed journals, each of the first journals being linked to a bracket for a lifting system;
- the first handling tool is configured to allow adjustment longitudinally over a predetermined range the positioning of the rotor vis-à-vis the stator or vice versa;
- the fan disc is maintained during steps g) to i) via a second handling tool on which is positioned and held the fan disc, the second handling tool comprising at least one pair of second opposed journals, each of the second journals being linked to an attachment lug of a lifting system.
- Figure 1 is a cutaway and perspective view illustrating the module in a second state E2;
- Figure 2 is an axial half-sectional view illustrating the module in a first state E1;
- Figure 3 is a detail view of Figure 2 illustrating in particular the assembly of a fan disk, a drum and an annular sealing part via bolts;
- Figure 4 is a perspective view of a tool for removing the fan disk from the module illustrated in Figures 1 to 3;
- FIG.5 Figure 5 is a detail view of Figure 4.
- FIG.6 is a perspective view of the module positioned in a horizontal position in the context of a process for removing a fan disk from a module illustrated in Figures 1 to 3 by means of a tool illustrated in Figures 4 and 5;
- FIG. 7 is a perspective view illustrating a step of removing two reference bolts so as to have two free holes;
- Figure 8 is a detail view of Figure 7 illustrating a free orifice;
- Figure 9 is a perspective view illustrating a step of aligning one of the free holes with a first visual reference of the tool
- Figure 10 is a perspective view illustrating a step of indexing the module relative to the tool
- Figure 11 is an axial half-sectional view illustrating a step of resting the screw heads on the pegs of a plate of the tool;
- Figure 12 is a perspective view illustrating a step of resting a flange of a rectifier of the module on support surfaces of supports;
- FIG. 13 is a perspective view illustrating a step consisting in extracting in a controlled manner the fan disk
- FIG.14 Figure 14 is a detail view of Figure 13;
- FIG. 15 is a perspective view illustrating a substep consisting of placing the extraction nuts on screws
- FIG. 16 is a perspective view illustrating a substep consisting in actuating extractors
- FIG. 17 is a perspective view illustrating a sub-step consisting in inserting one or more shims
- Figure 18 is a perspective view illustrating a step of removing the fan disc alone.
- FIG. 1 and 2 is shown a module 1 (low pressure compressor module) of a turbomachine defined along a longitudinal axis X and comprising a rotor 2 and a stator 3 independent from each other, and in other words the rotor 2 and stator 3 are not guided with respect to each other via for example a bearing.
- the longitudinal axis X of module 1 is coincident with the longitudinal axis of the turbomachine, when the module 1 is in place in the turbomachine.
- the rotor 2 comprises a fan disc 4, a drum 5 and an annular sealing part 6 centered on the X axis and fixed to each other via a circular row of bolts 7 each comprising a screw 8 and a nut 9.
- Each screw 8 passes through a retaining member 10 disposed inside the rotor 2.
- Each retaining member 10 has at least two facing lugs 1 1 arranged around a head 12 of the screw 8 and projecting through relative to the head 12.
- the stator 3 is centered on the X axis and surrounds the drum 5.
- the stator 3 is delimited longitudinally by a rectifier r4 disposed opposite the fan disk 4, the rectifier r4 comprising an outer shell 14 having a flange 15.
- the fan disc 4 is disposed upstream of the drum 5 and comprises a plurality of cells each intended to receive a fan blade (not included in the module 1).
- the fan disk 4 has a plurality of lobes 16 distributed regularly around the axis X at its downstream end, these lobes 16 forming a flange.
- the blower disk 4 is partially shown in Figure 2.
- the head 12 of each screw 8 is disposed inside the rotor 2.
- the nut 9 of each bolt 7 is disposed outside the rotor 2.
- Each screw 8 successively passes through, from the head 12 to the corresponding nut 9, a through hole made in the corresponding retaining member 10, a through hole made in the sealing part 6, a through hole made in a flange of the drum 5 and a through hole made in a lobe 16 of the fan disc 4.
- the screws 8 here have a square head 12.
- each retaining member 10 is disposed longitudinally between the head 12 of the corresponding screw 8 and the sealing part 6.
- Each retaining member 10 comprises four legs 1 1 facing two by two which surround the head 12 of the corresponding screw 8, the lugs 1 1 projecting relative to the head 12.
- the retaining members 10 and the heads 12 of the screws 8 are arranged in a common circular groove 17 of the sealing part 6
- a retaining member 10 allows the head 12 of the corresponding screw 8 (located inside the rotor 2) to be held in place during the removal of the associated nut 9 (located outside the rotor 2).
- the sealing part 6 is also fitted on a projection 18 of the fan disc 4 at its internal end and hooked on a projection 19 of the drum 5 at its external end.
- the rotor 2 also comprises four annular rows of vanes 20 attached to the drum 5 and arranged one behind the other, each row of vanes 20 being more commonly referred to as a "movable wheel".
- the four mobile wheels are respectively numbered, from upstream to downstream, wheel R2 (for wheel n ° 2) to wheel R5 (for wheel n ° 5), wheel R1 (for wheel n ° 1) being considered as being the blower. .
- the stator 3 comprises five annular rectifiers interposed between the movable wheels.
- the five rectifiers are numbered, from upstream to downstream, rectifier r1 (for rectifier n ° 1) to rectifier r5 (for rectifier n ° 5).
- the first rectifier r1 is associated with the fan so as to form stage n ° 1, the following each being associated with a wheel (wheels R2 to R5) so as to form the following stages (stage n ° 2 to stage n ° 5).
- Each rectifier r1 to r5 comprises an internal ferrule 13 and an external ferrule 14 connected to one another by an annular row of vanes 21.
- the vanes 21 are for example welded to the internal and external ferrules 13, 14 so as to form a mechanically welded assembly.
- the outer shells 14 of all of the rectifiers r1 to r5 are flanged to one another.
- upstream and downstream are defined with respect to the direction of circulation of the gases in the module 1, the gases passing successively through the various stages.
- Figure 2 illustrates module 1 in a first state E1 corresponding to module 1 as it is at the time of its receipt to undergo a maintenance operation.
- FIG. 1 illustrates the module 1 in a second state E2 in which the fifth rectifier r5 has been removed, the outer shell 14 of the fourth rectifier r4 then having a free flange 15.
- the second state E2 here corresponds to the state in which it is find module 1 to remove blower disc 4 alone.
- a module 1 located in a third state E3 corresponds to a module 1 located in a second state E2 from which the fan disk 4 has been removed.
- the fan disk 4 alone is removed (or removed) from a module 1 in a second state E2 by means of a tool 22.
- the tool 22 is defined along a vertical axis Z and comprises:
- annular plate 25 centered on the Z axis and integral with the frame 23, this plate 25 comprising first and second circular rows 26a, 26b of pins 27 as well as two holes 28 arranged around the Z axis at a regular pitch, each of the two holes 28 being arranged between the first and second rows 26a, 26b, each of the pins 27 being configured to support the head 12 of a screw 8 so as not to degrade the tabs 11 of the retaining members 10, each hole 28 being configured to receive an indexing finger 29 of the module 1 relative to the tool 22;
- each support 30 comprising a bearing surface 31, the bearing surfaces 31 being coplanar and being configured to support the flange 15 of the rectifier r4 of module 1, the three supports 30 being vertically located below the plate 25;
- a first visual marker 32 disposed on the frame 23 and configured to angularly orient the module 1 with respect to the tool 22.
- the terms “lower” and “upper” associated with the various components of the tool 22 are defined with respect to the vertical axis Z.
- the terms “internal” and “external Associated with the various components of the tool 22 are defined with respect to the vertical axis Z.
- the frame 23 comprises a platform 33 on which rests the supports 30 and a shaft 34 on which rests the plate 25.
- the platform 33 is flat, perpendicular to the 'Z axis and substantially triangular, each support 30 being arranged at a projecting angular portion of the platform 33.
- the shaft 34 is centered on the Z axis and rises from the platform 33.
- ground 24 here include three feet distributed evenly around the Z axis.
- the plate 25 comprises an annular upper surface 35 delimited by two flanges 36, these flanges 36 being configured to hold the ends of the sealing piece 6 during the fitting of the repaired fan disc (or of a new fan disc ) on a module 1 located in a third state E3.
- the pins 27 of the first and second rows 26a, 26b are arranged on the upper surface 35.
- the first and second rows 26a, 26b have the same number of pins 27 (here ten pins) and are symmetrical with respect to the Z axis.
- the holes 28 are thus also symmetrical with respect to the Z axis.
- the pins 27 as well as the two holes 28 are arranged equidistant from the Z axis.
- the holes 28 are here blind holes opening out at the level of the upper surface 35
- the angular difference between the two holes 28 is equal to 180 degrees.
- the indexing fingers 29 have been shown in FIG. 5 in order to indicate the location of the holes 28.
- the plate 25 comprises a thermal protection 37 at the level of its internal surface, so as to protect platen 25 from heat when fitting the repaired blower disc (or a new blower disc). Indeed, to achieve the fitting, the sealing part 6 is heated to a predetermined temperature.
- the bearing surfaces 31 are located in the same plane perpendicular to the axis Z. Each bearing surface 31 is located at an upper end of the corresponding support 30. Each bearing surface 31 is in the form of a annular sector and is delimited on the outside by a border 38.
- the three supports 30 are arranged relative to the pins 27 so that the heads 12 bear before the flange 15 when positioning the module 1 on the tool 22.
- Each support 30 comprises a recess 39 oriented towards the side of the vertical axis Z and configured to allow the passage of the fifth wheel R5, during the positioning of the module 1 on the tool 22.
- the supports 30 can be adjustable relative to to the platform 33 in a direction perpendicular to the Z axis.
- the first visual mark 32 is in the form of a vertical line 32 disposed on the periphery of the barrel 34 and the periphery of the plate 25, this vertical line 32 being configured to orient the module 1 angularly with respect to the tool 22.
- This first visual mark 32 can be obtained by applying one or more self-adhesive strips.
- the tool 22 comprises a second visual cue 40 which is in the form of a horizontal line 40 disposed on the periphery of the barrel 34, this horizontal line 40 being configured to determine a vertical position of the module 1 from which the module 1 must be indexed with respect to tool 22.
- the horizontal line here crosses the vertical line.
- this second visual cue 40 can be obtained by applying one or more self-adhesive strips.
- the plate 25 and the supports 30 are made of a non-metallic material, so as not to damage the module 1.
- the plate 25 and the supports 30 are for example made of Teflon®.
- the removal (or removal) of a fan disk 4 alone from a module 1 in a second state E2, by means of the tool 22, is carried out according to a method comprising chronologically the steps consisting in: a ) remove two predetermined bolts 7 hereinafter referred to as reference bolts so as to have two free holes 41 at the rotor 2, the angular distance between the reference bolts being equal to the angular difference between the two holes 28 of the plate 25; ( Figures 6 to 8)
- the method is implemented on a module 1 located in a second state E2, and in other words a module 1 from which the fifth rectifier r5 has been removed.
- the module 1 is maintained during steps a) to f) via a first handling tool 43 on which the module 1 is positioned and held, the first handling tool 43 comprising at least one pair of opposing first journals 44, 45, each of the first journals 44, 45 being linked to an attachment tab 46 of a lifting system 47.
- the first handling tool 43 comprises a first part 48 able to be fixed to the rotor 2 of the module 1 and a second part 49 able to be fixed to the stator 3 of the module 1.
- the first handling tool 43 comprises adjustment means configured to adjust longitudinally over a predetermined range the positioning of the first part 48 (rotor 2) vis-à-vis the second part 49 (stator 3) or vice versa .
- rotor 2 and stator 3 are independent of each other. This longitudinal adjustment is used in particular to ensure that the heads 12 of the screws 8 bear before the flange 15 when placing the module 1 in position on the tool 22.
- the first handling tool 43 comprises a pair of median journals 44 and a pair of end journals 45. Each of the pairs of journals 44, 45 is adapted to be attached to an independent lifting system 47.
- Each lifting system 47 comprises for example a lifting device (such as a winch) (not shown), a lifter 50 and two attachment lugs 46.
- the module 1 is in a horizontal position so that the longitudinal axis X of the module 1 is substantially parallel to the ground on which the tool rests. 22.
- the first handling tool 43 is linked to a first lifting system 47 via the middle journals 44 and to a second lifting system 47 via the end journals 45.
- step a an operator removes the bolts 7 placed at 3 o'clock and 9 o'clock by analogy with the face of a clock.
- the bolts 7 placed at 3 o'clock and 9 o'clock are thus considered to be the reference bolts.
- the angular difference between the two reference bolts is indeed equal to the angular difference between the two holes 28 of the plate 25, namely 180 degrees.
- the free orifices 41 are then located at 3 o'clock and 9 o'clock.
- the module 1 is in a vertical position, the fan disc 4 then being vertically above the drum 5.
- the first handling tool 43 is linked to a single lifting system 47 via the end journals 45.
- step c an operator checks the first handling tool 43 so as to align one of the free orifices 41 (identifiable by the absence of the nut) with the vertical line (first visual reference 32). This step c) aligns the two free orifices 41 with the two holes 28 of the plate 25.
- step d) is performed when the free flange 15 of the rectifier r4 is located vertically at the level of the horizontal line (second visual mark 40).
- An operator then successively introduces, from outside the module 1, the two indexing fingers 29. Each indexing finger 29 passes through a free orifice 41 of the rotor 2 and a hole 28 of the plate 25.
- step e the module 1 is lowered so as to bring the heads 12 of the screws 8 into support on the pegs 27 of the plate 25. It is essential to support firstly the rotor 2 (the heads 12 of the screws 8) then secondly the stator 3 (flange 15 of the rectifier r4) in order to avoid any unexpected movement of the rotor 2 when removing the first handling tool 43.
- step e it is possible to use the means for adjusting the first handling tool 43 in order to move the rotor 2 longitudinally vis-à-vis the stator 3 or vice versa.
- step d the flange 15 of the rectifier r4 is brought to bear on the bearing surfaces 31 of the supports 30.
- the recesses 39 allow the passage of the fifth wheel R5.
- step d it is possible to adjust the supports 30 relative to the platform 33.
- the method comprises, between steps f) and g), a step f1) consisting in removing the first handling tool 43 from the module 1.
- the fan disc 4 is held during steps g) to i) via a second handling tool 51 on which is positioned and held the fan disc 4, the second handling tool 51 comprising at least a pair of second opposed journals 52 , each of the second journals 52 being linked to an attachment tab 46 of a lifting system 47.
- the second handling tool 51 comprises a first element lifting element 53 and a second lifting element 54 adapted to be fixed to the blower disc 4.
- the first and second lifting elements 53, 54 are arranged symmetrically with respect to the axis X.
- Each of the lifting elements 53, 54 comprises a journal 52, the journals 52 being adapted to be attached to a lifting system 47.
- the lifting system 47 comprises for example a lifting device (such as a winch) (not shown), a lifting beam 50 and two front paws ache 46.
- the fan disc 4 is extracted during step h) via three extractors 42 distributed regularly around the Z axis.
- the extraction is controlled by gradually unscrewing three nuts.
- extraction 55 previously screwed on three screws 8 each located near one of the three extractors 42, and by gradually inserting shims 56 around the three screws 8 provided with extraction nuts 55 between the fan disc 4 and the drum 5, the extraction nuts 55 and the wedges 56 being in a non-metallic material.
- each extractor 42 comprises a first arm 57 and a second arm 58 articulated with respect to one another, the first arm 57 being supported on the fan disc 4 and the second arm 58 being supported on the annular sealing part 6.
- Each extractor 42 comprises a hydraulic actuator 59 articulated with respect to the first and second arm 57, 58, this hydraulic actuator 59 being configured to separate the first and second arm 57, 58 one compared and the other, and thus extract vertically the fan disk 4 alone from the sealing part 6 on which it is fitted.
- the wedges 56 make it possible to prevent any inclination of the fan disk 4 during a drop in hydraulic pressure at the level of the extractors 42.
- the extraction nuts 55 and the wedges 56 are made of a non-metallic material, so not to damage the screws 8.
- the extraction nuts 55 and the wedges 56 are for example made of Teflon®.
- step h chronologically comprises the sub-steps consisting of:
- Sub-steps h1) to h3) are repeated so as to raise the fan disc 4 as far as possible relative to the drum 5.
- module 1 is in its third state E3.
- the refitting (or installation) of the repaired fan disc (or of a new fan disc) is carried out directly on the module 1 as it was following the aforementioned process, namely in its third state E3 and placed on the tool 22.
- the same tool 22 thus makes it possible to remove the fan disc 4 but also to refit it.
- care must be taken to correctly orient the repaired blower disc by aligning a mark associated with the repaired blower disc (for example a notch) with the marks of the other components of module 1.
- the sealing part 6 of the module 1 is heated in order to allow the fitting of the repaired fan disc in the sealing part 6 of the module 1.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1904463A FR3095492B1 (fr) | 2019-04-26 | 2019-04-26 | Outil pour deposer un disque de soufflante d’un module |
PCT/FR2020/000142 WO2020217003A1 (fr) | 2019-04-26 | 2020-04-21 | Outil pour deposer un disque de soufflante d'un module |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3959422A1 true EP3959422A1 (fr) | 2022-03-02 |
EP3959422B1 EP3959422B1 (fr) | 2023-02-08 |
Family
ID=67660299
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20729814.2A Active EP3959422B1 (fr) | 2019-04-26 | 2020-04-21 | Outil pour deposer un disque de soufflante d'un module |
Country Status (10)
Country | Link |
---|---|
US (1) | US11879352B2 (fr) |
EP (1) | EP3959422B1 (fr) |
JP (1) | JP7427023B2 (fr) |
KR (1) | KR20220002349A (fr) |
CN (1) | CN113795651B (fr) |
BR (1) | BR112021021199A2 (fr) |
CA (1) | CA3134323A1 (fr) |
FR (1) | FR3095492B1 (fr) |
SG (1) | SG11202111777WA (fr) |
WO (1) | WO2020217003A1 (fr) |
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KR101914870B1 (ko) * | 2017-06-28 | 2018-12-28 | 두산중공업 주식회사 | 가스터빈의 분해 및 조립방법과 이에 의해 조립된 가스터빈 |
FR3069229B1 (fr) * | 2017-07-20 | 2019-07-26 | Safran Aircraft Engines | Outil pour fixer une virole externe d’un carter intermediaire d’une turbomachine |
FR3072137B1 (fr) * | 2017-10-06 | 2020-07-24 | Safran Aircraft Engines | Dispositif pour l'assemblage d'une turbomachine, et procede utilisant le dispositif |
-
2019
- 2019-04-26 FR FR1904463A patent/FR3095492B1/fr active Active
-
2020
- 2020-04-21 CA CA3134323A patent/CA3134323A1/fr active Pending
- 2020-04-21 EP EP20729814.2A patent/EP3959422B1/fr active Active
- 2020-04-21 JP JP2021562819A patent/JP7427023B2/ja active Active
- 2020-04-21 WO PCT/FR2020/000142 patent/WO2020217003A1/fr unknown
- 2020-04-21 CN CN202080034460.XA patent/CN113795651B/zh active Active
- 2020-04-21 US US17/605,388 patent/US11879352B2/en active Active
- 2020-04-21 SG SG11202111777WA patent/SG11202111777WA/en unknown
- 2020-04-21 KR KR1020217036065A patent/KR20220002349A/ko unknown
- 2020-04-21 BR BR112021021199A patent/BR112021021199A2/pt unknown
Also Published As
Publication number | Publication date |
---|---|
WO2020217003A1 (fr) | 2020-10-29 |
CN113795651A (zh) | 2021-12-14 |
US11879352B2 (en) | 2024-01-23 |
JP2022530394A (ja) | 2022-06-29 |
BR112021021199A2 (pt) | 2021-12-21 |
CA3134323A1 (fr) | 2021-10-29 |
FR3095492B1 (fr) | 2021-05-07 |
US20220220866A1 (en) | 2022-07-14 |
CN113795651B (zh) | 2024-02-23 |
FR3095492A1 (fr) | 2020-10-30 |
EP3959422B1 (fr) | 2023-02-08 |
SG11202111777WA (en) | 2021-11-29 |
KR20220002349A (ko) | 2022-01-06 |
JP7427023B2 (ja) | 2024-02-02 |
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