WO2015181497A1 - Aube de turbine a refroidissement optimise - Google Patents
Aube de turbine a refroidissement optimise Download PDFInfo
- Publication number
- WO2015181497A1 WO2015181497A1 PCT/FR2015/051397 FR2015051397W WO2015181497A1 WO 2015181497 A1 WO2015181497 A1 WO 2015181497A1 FR 2015051397 W FR2015051397 W FR 2015051397W WO 2015181497 A1 WO2015181497 A1 WO 2015181497A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- blade
- duct
- cavity
- wall
- upper cavity
- 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.)
- Ceased
Links
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
- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
-
- 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
- F01D5/14—Form or construction
- F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
- F01D5/187—Convection cooling
-
- 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
- F01D5/14—Form or construction
- F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
- F01D5/186—Film cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/10—Cores; Manufacture or installation of cores
- B22C9/103—Multipart cores
-
- 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
- F05D2230/00—Manufacture
- F05D2230/20—Manufacture essentially without removing material
- F05D2230/21—Manufacture essentially without removing material by casting
- F05D2230/211—Manufacture essentially without removing material by casting by precision casting, e.g. microfusing or investment casting
-
- 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
- F05D2250/70—Shape
- F05D2250/75—Shape given by its similarity to a letter, e.g. T-shaped
-
- 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
- F05D2260/20—Heat transfer, e.g. cooling
- F05D2260/202—Heat transfer, e.g. cooling by film cooling
-
- 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
- F05D2260/20—Heat transfer, e.g. cooling
- F05D2260/204—Heat transfer, e.g. cooling by the use of microcircuits
-
- 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
- F05D2260/20—Heat transfer, e.g. cooling
- F05D2260/221—Improvement of heat transfer
-
- 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
- the invention relates to an aircraft engine blade of the turbomachine type, such as for example a turbofan engine or a turboprop turbojet engine.
- Figure 3 is a perspective view showing the hollow internal parts of a turbine blade according to a first embodiment of the invention
- such a blade is a hollow monoblock piece. It is made by molding a metal material, using a set of cores to delineate the inner ducts of its hollow portion as well as portions of rods to form its through holes. The cores, stems and others are removed once that the molding operation is complete, typically with an etching process capable of dissolving these elements without altering the molded material.
- the idea underlying the invention is to improve the cooling of the blade in the region of the intrados wall which is in the vicinity of the trailing edge and the top of the blade, since in practice this region is the first to deteriorate during the life of a dawn.
- the air taken from the foot thus travels straight ahead, in a substantially rectilinear manner, to the upper cavity.
- the length of the path of this air, in the supply duct, so that it reaches the upper cavity is thus less than or equal to the length of the blade in the span direction EV.
- this duct makes it possible to minimize heating of the air supplied to the upper cavity.
- the supply duct is formed by a cooling ramp of the leading edge located upstream.
- this supply duct is constituted by a central duct of the blade, that is to say located substantially midway between its leading edge and its trailing edge.
- the blade which is indicated by 31 in FIG. 3, where it is shown, thus comprises internal ducts arranged to supply in the region of the top of the blade on the underside side, cooling air as cool as possible to increase cooling efficiency.
- the interior of this blade 31 thus has in its upstream region, marked by AM, an upstream ramp 32 oriented in its direction of wingspan EV and along its leading edge.
- This upstream ramp 32 directly feeds an upper cavity 33 of the blade, while supplying fresh air cooling holes through the wall portion forming the leading edge of the blade.
- This upstream ramp 32 extends from the foot of the blade, marked by P, and through which it is supplied with air directly to the top of the blade marked by S.
- the upper cavity 33 which is located near the summit extends along the closing wall of this blade 31 and along its intrados wall, from the front to the rear of the blade which is spotted by AV. These two walls are not visible in Figure 3 since it is a representation of the hollow regions of this dawn.
- the upper cavity 33 is delimited vertically by a bottom 37 parallel to and spaced from the closing wall and, by an upper face 38 which is the lower face of the closure wall.
- the intrados wall may comprise through holes, not shown, allowing the upper cavity 33 to further cool the outer face of the intrados wall in this region.
- the interior of the blade 31 further comprises a downstream ramp 41 extending along the trailing edge from the foot P to the region of the summit S to terminate under the rear portion of the upper cavity 33.
- This ramp downstream 41 feeds a series of cooling slots of the trailing edge, not visible in Figure 3.
- the blade of Figure 3 further comprises a first central duct 42, a second central duct 43 and a downstream duct 44, oriented in the span direction, and communicating with each other in a so-called trombone arrangement.
- the first central duct 42 which runs along the upstream ramp 32 collects air at the root of the blade, and communicates at the level of the summit S with the second central duct 43 to supply it with air.
- the end of the downstream conduit 44 ends in the region of the summit S along the second face 36 of the upper cavity 33 to bypass it.
- the intrados wall may be provided with through holes allowing the conduits 42, 43, 44 to provide cooling air on the outer face of this wall to cool it by forming an outer film.
- the intrados wall may comprise at the level of the downstream duct 44 through holes through which this downstream duct 44 provides air cooling the outer face of the intrados wall upstream of the trailing edge of the blade.
- the downstream conduit 44 can feed the downstream ramp 41 by a series of unrepresented calibrated passages, regularly spaced from each other along the EV span direction. In this case, instead of being fed by the second duct 43, the downstream duct 44 then directly collects cooling air at the foot of the blade so that the air it supplies to the ramp downstream as fresh as possible.
- the downstream ramp 41 can be supplied calibrated by the downstream conduit 44, or it can instead be fed directly into the region of the foot of the blade.
- the blade which is marked by 51 comprises an upper cavity 52 which is fed directly by a central duct 53 entirely dedicated to this upper cavity 52.
- the feed duct of the upper cavity does not participate in the cooling of the leading edge.
- first lateral cavity 54 along the intrados wall
- second lateral cavity 56 along the upper surface.
- These two lateral cavities thermally insulate the central duct as well as a calibrated supply upstream duct of a cooling ramp of the leading edge of the blade, the walls of intrados and extrados which are heated by the flows gas surrounding the blade.
- the upper cavity 52 of this blade 51 has a shape substantially identical to that of the blade 31 of FIG. 3. It is located near the top S, extends along the closure walls and the intrados, 'front to the back of the blade. Here too, the whole part of the summit S located on the intrados side is supplied with air through this upper cavity 52, over substantially its entire length to the rear end. This upper cavity 52 also extends to the trailing edge, to supply fresh air at least the slot closest to the summit S, marked by 55, and possibly some adjacent slots.
- the intrados wall may also have through-holes for cooling the outer face of the intrados wall in the region of the crown.
- the central duct 53 feeds the upper cavity 52, extending from the root P of the blade through which it is supplied with air, to the top of this blade, where it opens entirely into the bottom 59 of this upper cavity 52. .
- the leading edge of the blade 51 is cooled by an upstream ramp 62 which extends from the base of the blade to the top S, but which is fed not by the foot directly but by a conduit upstream 63 in a calibrated manner.
- This calibrated supply is provided by calibrated passages 64 regularly spaced along the span direction EV of the blade and which each connect the upstream duct 63 to the upstream ramp 62.
- Each passage 64 has a calibrated diameter, it is that is to say chosen at the design to obtain in the zone of the ramp 62 that it feeds a desired air flow which is conditioned by the thermal dawn in this region.
- the wall of the blade comprises in the region of the leading edge unrepresented holes, through which the air circulating in the ramp passes through the wall to cool the outer face of the leading edge.
- the first lateral cavity 54 has a small thickness, and extends from the foot P to the region of the summit S having a generally rectangular contour.
- This first lateral cavity 54 ends under the upper cavity 52 so as not to cover it. It has a width sufficient to mask or cover the central duct 53 and the upstream duct 63 which runs along this central duct.
- the second lateral cavity 56 also has a small thickness, and extends from the foot P to the region of the summit S but covers the upper cavity 52.
- This second lateral cavity has a generally rectangular contour, having a width sufficient to mask or cover the central duct as well as the upstream duct 63 and the upper cavity 52 on the extrados side.
- the upper cavity 72 has a shape substantially identical to that of the blades of Figures 3 and 4. It is located near the top S, extends along the closing walls and intrados, from the front to the left. back of the blade. All the portion of the top S located on the intrados side is supplied by this upper cavity 72, over its entire length to the rear end. This upper cavity 72 also extends to the trailing edge, to feed at least the slot closest to the top S, marked 75, and possibly some adjacent slots.
- the two lateral cavities 74 and 76 are here joined at the rear or downstream instead of being separate. In this way, these two lateral cavities surround the central duct 73 over three quarters of its circumference so as to further improve its thermal insulation of the external environment, so that it can supply the upper cavity 72 that it supplies a even cooler air.
- the supply of these two lateral cavities can be carried out separately by two supply ducts taking air separately in the blade root, the lateral cavities then being united only in the region of the blade. It may also be possible to provide a single supply channel for the two lateral cavities having in section a shape corresponding to that of the letter U.
- This downstream ramp 107 is here supplied calibrated by a downstream duct 108 which extends from the foot of the blade to the region of its summit S where it bypasses a rear portion of the upper cavity 92.
- This downstream duct 108 is situated between the central duct 93 and the downstream ramp 107, and it is not masked by the lateral cavity 94 or by the lateral cavity 96.
- the downstream duct 108 calibrates the downstream ramp 107 by means of a series of calibrated passages 109 regularly spaced from each other along the span direction EV and each joining the downstream duct to the ramp 107.
- the blade which is marked 111 also has an upper cavity 112 fed by a central duct 113 which is isolated by two lateral cavities 114 and 116.
- the trailing edge is there also cooled by a downstream ramp fed calibrated by a downstream duct, but this downstream duct is thermally protected by side cavities of the blade so as to provide cooler air for cooling the trailing edge.
- This downstream ramp 127 is here supplied calibrated by the downstream duct 128 which extends from the root of the blade to the region of its summit and ends at the summit S bypassing the upper cavity 112.
- This Downstream duct 128 is located between the central duct 113 and the downstream ramp 127.
- the downstream duct 128 calibrates the downstream ramp 127 by means of a series of calibrated passages 129 regularly spaced from each other and each joining the duct. downstream 128 to the ramp 127.
- the upper cavity 132 has a shape substantially identical to that of the blades of FIGS. 3 to 7. It is located near the top S, extends along the closing and lower walls, from the front to the top. back of the blade. The entire portion of the top S located on the underside side is supplied with cooling air by this upper cavity 132, all along its length to the rear end. This upper cavity 132 also extends to the trailing edge, to feed at least the slot closest to the summit S, marked by 135, and possibly some adjacent slots. This upper cavity 132 is delimited laterally by a first face 137 which runs along the intrados and a second face 138 spaced from the first face, these faces being joined at the front and at the rear.
- the cooling slot 135 of the trailing edge located in the region of the summit S is supplied with air by the upper cavity 132.
- the other slots of the trailing edge, identified by 146, are in turn supplied by a downstream ramp 147 which is extends from the foot to the summit region S.
- This downstream ramp 147 is here supplied calibrated by a downstream duct 148 which extends from the foot of the blade to the region of its summit and ends at the summit S bypassing the upper cavity 132.
- This Downstream duct 148 is located between the central duct 133 and the downstream ramp 147.
- the downstream duct 148 calibrates the downstream ramp 147 by means of a series of calibrated passages 149 regularly spaced from each other along the direction of wingspan EV and each joining this downstream duct 148 to the ramp 147.
- the lateral cavity 134 covers the upstream duct 143 as well as the central duct 133 and the downstream duct 148 so as to thermally insulate these three elements from the intrados wall to reduce air heating that they convey.
- the region of the apex is supplied with air by the upper cavity with respect to the entire portion of the vertex extending along from the intrados.
- the other parts of the top are supplied with air by the other ducts, ramps or cavities of the blade, as in particular the upstream ramp and optionally the upstream duct, the downstream ramp and possibly the downstream duct, and if necessary the second cavity lateral along the extrados.
- the upper cavity has a thickness less than the thickness of the blade, that is to say at the distance separating the intrados from the extrados.
- the thickness of this cavity can be reduced to less than half the thickness of the blade.
- the internal ducts such as the upstream duct, the central duct and the downstream duct thus have smooth internal walls to promote rapid circulation of the cooling air by minimizing the heat exchange between this air and the walls of the duct in which it travels.
- Each lateral cavity is advantageously provided with deflectors which promote air circulation in all regions of the cavity.
- the internal faces of the cavity are provided with disrupters and / or bridges to create turbulence in the air circulation to promote a high level of heat exchange between the air is the walls that it runs along. .
- the blade described can be produced by direct manufacture, by additive manufacturing, or by foundry.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
Description
Claims
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP15729543.7A EP3149280B1 (fr) | 2014-05-28 | 2015-05-27 | Aube de turbine avec conduits de refroidissement optimisés |
| BR112016027042-8A BR112016027042B1 (pt) | 2014-05-28 | 2015-05-27 | Pá de turbina de turbomáquina, meios de moldagem para a fabricação de uma pá, turbina de turbomáquina e turbomáquina |
| CN201580027696.XA CN106460526B (zh) | 2014-05-28 | 2015-05-27 | 具有被优化的冷却的涡轮叶片 |
| CA2950127A CA2950127C (fr) | 2014-05-28 | 2015-05-27 | Aube de turbine a refroidissement optimise |
| US15/312,688 US10689985B2 (en) | 2014-05-28 | 2015-05-27 | Turbine blade with optimised cooling |
| JP2016569440A JP6731353B2 (ja) | 2014-05-28 | 2015-05-27 | 冷却が最適化されたタービンブレード |
| RU2016151772A RU2697211C2 (ru) | 2014-05-28 | 2015-05-27 | Лопатка турбины с оптимизированным охлаждением |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1454864A FR3021697B1 (fr) | 2014-05-28 | 2014-05-28 | Aube de turbine a refroidissement optimise |
| FR1454864 | 2014-05-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2015181497A1 true WO2015181497A1 (fr) | 2015-12-03 |
Family
ID=51862381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR2015/051397 Ceased WO2015181497A1 (fr) | 2014-05-28 | 2015-05-27 | Aube de turbine a refroidissement optimise |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US10689985B2 (fr) |
| EP (1) | EP3149280B1 (fr) |
| JP (1) | JP6731353B2 (fr) |
| CN (1) | CN106460526B (fr) |
| BR (1) | BR112016027042B1 (fr) |
| CA (1) | CA2950127C (fr) |
| FR (1) | FR3021697B1 (fr) |
| RU (1) | RU2697211C2 (fr) |
| WO (1) | WO2015181497A1 (fr) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017153687A1 (fr) * | 2016-03-10 | 2017-09-14 | Safran | Aube refroidie de turbine |
| EP3330487A1 (fr) * | 2016-12-05 | 2018-06-06 | United Technologies Corporation | Cavités hybrides de bord d'attaque et noyaux pour aubes de moteur de turbine à gaz |
| US20180156042A1 (en) | 2016-12-05 | 2018-06-07 | United Technologies Corporation | Integrated squealer pocket tip and tip shelf with hybrid and tip flag core |
| CN108698117A (zh) * | 2016-02-12 | 2018-10-23 | 赛峰集团 | 一种形成涡轮叶片的除尘孔的方法及相关的陶瓷芯 |
| EP3399148A1 (fr) * | 2017-05-02 | 2018-11-07 | United Technologies Corporation | Aube refroidie pour un moteur à turbine à gaz |
| FR3066530A1 (fr) * | 2017-05-22 | 2018-11-23 | Safran Aircraft Engines | Aube pour turbine de turbomachine comprenant une configuration optimisee de cavites internes de circulation d'air de refroidissement |
| FR3079869A1 (fr) * | 2018-04-05 | 2019-10-11 | Safran Aircraft Engines | Aube de turbine haute pression comportant une cavite morte presentant une reduction de section |
| US10563521B2 (en) | 2016-12-05 | 2020-02-18 | United Technologies Corporation | Aft flowing serpentine cavities and cores for airfoils of gas turbine engines |
| US10815800B2 (en) | 2016-12-05 | 2020-10-27 | Raytheon Technologies Corporation | Radially diffused tip flag |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3034128B1 (fr) * | 2015-03-23 | 2017-04-14 | Snecma | Noyau ceramique pour aube de turbine multi-cavites |
| FR3037830B1 (fr) | 2015-06-29 | 2024-02-16 | Snecma | Ensemble de moulage d'une aube de turbomachine, comprenant une portion en relief de grande section |
| FR3056631B1 (fr) * | 2016-09-29 | 2018-10-19 | Safran | Circuit de refroidissement ameliore pour aubes |
| FR3057906B1 (fr) | 2016-10-20 | 2019-03-15 | Safran Aircraft Engines | Aube de turbomachine a refroidissement optimise |
| FR3058917B1 (fr) * | 2016-11-18 | 2020-06-12 | Safran Aircraft Engines | Noyau complexe de fonderie pour une aube multi-cavites |
| US10941663B2 (en) | 2018-05-07 | 2021-03-09 | Raytheon Technologies Corporation | Airfoil having improved leading edge cooling scheme and damage resistance |
| US10907479B2 (en) | 2018-05-07 | 2021-02-02 | Raytheon Technologies Corporation | Airfoil having improved leading edge cooling scheme and damage resistance |
| US11015457B2 (en) | 2018-10-01 | 2021-05-25 | Raytheon Technologies Corporation | Multi-walled airfoil core |
| FR3090040B1 (fr) * | 2018-12-12 | 2021-06-25 | Safran | Aube de turbomachine à refroidissement amélioré |
| FR3095834B1 (fr) | 2019-05-09 | 2021-06-04 | Safran | Aube de turbomachine à refroidissement amélioré |
| FR3106624B1 (fr) * | 2020-01-24 | 2022-02-18 | Safran Aircraft Engines | dispositif amélioré de détection d’anomalie de refroidissement pour turbomachine d’aéronef |
| US12006836B2 (en) | 2021-07-02 | 2024-06-11 | Rtx Corporation | Cooling arrangement for gas turbine engine component |
| US11913353B2 (en) | 2021-08-06 | 2024-02-27 | Rtx Corporation | Airfoil tip arrangement for gas turbine engine |
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- 2015-05-27 RU RU2016151772A patent/RU2697211C2/ru active
- 2015-05-27 JP JP2016569440A patent/JP6731353B2/ja active Active
- 2015-05-27 CN CN201580027696.XA patent/CN106460526B/zh active Active
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| CN108698117A (zh) * | 2016-02-12 | 2018-10-23 | 赛峰集团 | 一种形成涡轮叶片的除尘孔的方法及相关的陶瓷芯 |
| CN108779679A (zh) * | 2016-03-10 | 2018-11-09 | 赛峰集团 | 被冷却的涡轮叶片 |
| FR3048718A1 (fr) * | 2016-03-10 | 2017-09-15 | Safran | Aube de turbomachine a refroidissement optimise |
| US11299990B2 (en) | 2016-03-10 | 2022-04-12 | Safran | Cooled turbine vane |
| CN108779679B (zh) * | 2016-03-10 | 2021-10-12 | 赛峰集团 | 被冷却的涡轮叶片 |
| WO2017153687A1 (fr) * | 2016-03-10 | 2017-09-14 | Safran | Aube refroidie de turbine |
| US10465529B2 (en) | 2016-12-05 | 2019-11-05 | United Technologies Corporation | Leading edge hybrid cavities and cores for airfoils of gas turbine engine |
| US10815800B2 (en) | 2016-12-05 | 2020-10-27 | Raytheon Technologies Corporation | Radially diffused tip flag |
| US11725521B2 (en) | 2016-12-05 | 2023-08-15 | Raytheon Technologies Corporation | Leading edge hybrid cavities for airfoils of gas turbine engine |
| EP3330487A1 (fr) * | 2016-12-05 | 2018-06-06 | United Technologies Corporation | Cavités hybrides de bord d'attaque et noyaux pour aubes de moteur de turbine à gaz |
| US20180156042A1 (en) | 2016-12-05 | 2018-06-07 | United Technologies Corporation | Integrated squealer pocket tip and tip shelf with hybrid and tip flag core |
| US10563521B2 (en) | 2016-12-05 | 2020-02-18 | United Technologies Corporation | Aft flowing serpentine cavities and cores for airfoils of gas turbine engines |
| US10989056B2 (en) | 2016-12-05 | 2021-04-27 | Raytheon Technologies Corporation | Integrated squealer pocket tip and tip shelf with hybrid and tip flag core |
| EP3399148A1 (fr) * | 2017-05-02 | 2018-11-07 | United Technologies Corporation | Aube refroidie pour un moteur à turbine à gaz |
| GB2577199A (en) * | 2017-05-22 | 2020-03-18 | Safran Aircraft Engines | Blade for a turbomachine turbine, comprising internal passages for circulating cooling air |
| FR3066530A1 (fr) * | 2017-05-22 | 2018-11-23 | Safran Aircraft Engines | Aube pour turbine de turbomachine comprenant une configuration optimisee de cavites internes de circulation d'air de refroidissement |
| GB2577199B (en) * | 2017-05-22 | 2021-11-17 | Safran Aircraft Engines | Blade for a turbomachine turbine, comprising internal passages for circulating cooling air |
| US11286788B2 (en) | 2017-05-22 | 2022-03-29 | Safran Aircraft Engines | Blade for a turbomachine turbine, comprising internal passages for circulating cooling air |
| WO2018215718A1 (fr) * | 2017-05-22 | 2018-11-29 | Safran Aircraft Engines | Aube pour turbine de turbomachine comprenant des cavites internes de circulation d'air de refroidissement |
| FR3079869A1 (fr) * | 2018-04-05 | 2019-10-11 | Safran Aircraft Engines | Aube de turbine haute pression comportant une cavite morte presentant une reduction de section |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6731353B2 (ja) | 2020-07-29 |
| FR3021697A1 (fr) | 2015-12-04 |
| RU2697211C2 (ru) | 2019-08-13 |
| BR112016027042A8 (pt) | 2021-06-29 |
| JP2017526845A (ja) | 2017-09-14 |
| EP3149280A1 (fr) | 2017-04-05 |
| CA2950127A1 (fr) | 2015-12-03 |
| CN106460526A (zh) | 2017-02-22 |
| US10689985B2 (en) | 2020-06-23 |
| RU2016151772A (ru) | 2018-07-02 |
| CN106460526B (zh) | 2019-01-04 |
| CA2950127C (fr) | 2022-05-03 |
| BR112016027042B1 (pt) | 2022-11-08 |
| US20170183969A1 (en) | 2017-06-29 |
| BR112016027042A2 (pt) | 2017-08-15 |
| RU2016151772A3 (fr) | 2018-11-22 |
| EP3149280B1 (fr) | 2025-05-14 |
| FR3021697B1 (fr) | 2021-09-17 |
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