FR3070714B1 - Aube de turbomachine a trous de refroidissement ameliores - Google Patents
Aube de turbomachine a trous de refroidissement ameliores Download PDFInfo
- Publication number
- FR3070714B1 FR3070714B1 FR1758119A FR1758119A FR3070714B1 FR 3070714 B1 FR3070714 B1 FR 3070714B1 FR 1758119 A FR1758119 A FR 1758119A FR 1758119 A FR1758119 A FR 1758119A FR 3070714 B1 FR3070714 B1 FR 3070714B1
- Authority
- FR
- France
- Prior art keywords
- cooling holes
- alignment
- cooling
- blade
- improved cooling
- 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.)
- Active
Links
Classifications
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- 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
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- 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
- F05D2220/323—Application in turbines in gas turbines for aircraft propulsion, e.g. jet engines
-
- 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
- F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
-
- 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
- F05D2250/10—Two-dimensional
-
- 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
- F05D2250/50—Inlet or outlet
- F05D2250/52—Outlet
-
- 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
-
- 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
Abstract
L'invention concerne une aube (10) de turbomachine qui comporte une pale (14) comportant une paroi d'intrados (16), une paroi d'extrados, un bord d'attaque (18), un bord de fuite (20), une cavité interne et une pluralité de 'trous de refroidissement (22) réalisés dans les parois et les bords d'attaque et de fuite, chaque trou de refroidissement (22) reliant la cavité interne à l'extérieur, une extrémité dudit de chaque trou de refroidissement (22) débouchant dans la cavité, l'autre extrémité de chaque troue l'trou de refroidissement (22) débouchant à l'extérieur par une embouchure (26), dans laquelle les trous de refroidissement (22) sont répartis en au moins un premier alignement (28) et un deuxième alignement (30) réalisés dans une paroi de la pale (14), caractérisée en ce que l'embouchure (26) d'au moins l'un des trous de refroidissement (22) appartenant au moins au deuxième alignement (30) est de forme oblongue allongée selon la direction principale dudit deuxième alignement.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1758119A FR3070714B1 (fr) | 2017-09-01 | 2017-09-01 | Aube de turbomachine a trous de refroidissement ameliores |
US16/117,359 US20190071981A1 (en) | 2017-09-01 | 2018-08-30 | Turbomachine blade with improved cooling holes |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1758119A FR3070714B1 (fr) | 2017-09-01 | 2017-09-01 | Aube de turbomachine a trous de refroidissement ameliores |
FR1758119 | 2017-09-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR3070714A1 FR3070714A1 (fr) | 2019-03-08 |
FR3070714B1 true FR3070714B1 (fr) | 2020-09-18 |
Family
ID=61003065
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1758119A Active FR3070714B1 (fr) | 2017-09-01 | 2017-09-01 | Aube de turbomachine a trous de refroidissement ameliores |
Country Status (2)
Country | Link |
---|---|
US (1) | US20190071981A1 (fr) |
FR (1) | FR3070714B1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10767492B2 (en) | 2018-12-18 | 2020-09-08 | General Electric Company | Turbine engine airfoil |
FR3137716A1 (fr) * | 2022-07-06 | 2024-01-12 | Safran Aircraft Engines | Distributeur de turbine pour une turbomachine d’aéronef |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4672727A (en) * | 1985-12-23 | 1987-06-16 | United Technologies Corporation | Method of fabricating film cooling slot in a hollow airfoil |
US4664597A (en) * | 1985-12-23 | 1987-05-12 | United Technologies Corporation | Coolant passages with full coverage film cooling slot |
US5503529A (en) * | 1994-12-08 | 1996-04-02 | General Electric Company | Turbine blade having angled ejection slot |
US6287075B1 (en) * | 1997-10-22 | 2001-09-11 | General Electric Company | Spanwise fan diffusion hole airfoil |
US7255534B2 (en) * | 2004-07-02 | 2007-08-14 | Siemens Power Generation, Inc. | Gas turbine vane with integral cooling system |
US7789625B2 (en) * | 2007-05-07 | 2010-09-07 | Siemens Energy, Inc. | Turbine airfoil with enhanced cooling |
US8057182B2 (en) * | 2008-11-21 | 2011-11-15 | General Electric Company | Metered cooling slots for turbine blades |
US8245519B1 (en) * | 2008-11-25 | 2012-08-21 | Florida Turbine Technologies, Inc. | Laser shaped film cooling hole |
US8777571B1 (en) * | 2011-12-10 | 2014-07-15 | Florida Turbine Technologies, Inc. | Turbine airfoil with curved diffusion film cooling slot |
US8870536B2 (en) * | 2012-01-13 | 2014-10-28 | General Electric Company | Airfoil |
-
2017
- 2017-09-01 FR FR1758119A patent/FR3070714B1/fr active Active
-
2018
- 2018-08-30 US US16/117,359 patent/US20190071981A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
FR3070714A1 (fr) | 2019-03-08 |
US20190071981A1 (en) | 2019-03-07 |
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Legal Events
Date | Code | Title | Description |
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PLSC | Publication of the preliminary search report |
Effective date: 20190308 |
|
PLFP | Fee payment |
Year of fee payment: 3 |
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PLFP | Fee payment |
Year of fee payment: 4 |
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PLFP | Fee payment |
Year of fee payment: 5 |
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PLFP | Fee payment |
Year of fee payment: 6 |
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PLFP | Fee payment |
Year of fee payment: 7 |