FR2893357B1 - Lechette annulaire destinee a un labyrinthe d'etancheite et son procede de fabrication - Google Patents
Lechette annulaire destinee a un labyrinthe d'etancheite et son procede de fabricationInfo
- Publication number
- FR2893357B1 FR2893357B1 FR0511576A FR0511576A FR2893357B1 FR 2893357 B1 FR2893357 B1 FR 2893357B1 FR 0511576 A FR0511576 A FR 0511576A FR 0511576 A FR0511576 A FR 0511576A FR 2893357 B1 FR2893357 B1 FR 2893357B1
- Authority
- FR
- France
- Prior art keywords
- manufacturing
- same
- sealing labyrinth
- annular letter
- letter
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
- B23H9/10—Working turbine blades or nozzles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
- F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/28—Arrangement of seals
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/44—Free-space packings
- F16J15/445—Free-space packings with means for adjusting the clearance
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/44—Free-space packings
- F16J15/447—Labyrinth packings
- F16J15/4472—Labyrinth packings with axial path
-
- 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
- F05D2230/10—Manufacture by removing material
- F05D2230/11—Manufacture by removing material by electrochemical methods
-
- 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
- F05D2250/18—Two-dimensional patterned
- F05D2250/181—Two-dimensional patterned ridged
-
- 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
- F05D2250/18—Two-dimensional patterned
- F05D2250/183—Two-dimensional patterned zigzag
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0511576A FR2893357B1 (fr) | 2005-11-15 | 2005-11-15 | Lechette annulaire destinee a un labyrinthe d'etancheite et son procede de fabrication |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0511576A FR2893357B1 (fr) | 2005-11-15 | 2005-11-15 | Lechette annulaire destinee a un labyrinthe d'etancheite et son procede de fabrication |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2893357A1 FR2893357A1 (fr) | 2007-05-18 |
FR2893357B1 true FR2893357B1 (fr) | 2011-05-06 |
Family
ID=36773861
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR0511576A Active FR2893357B1 (fr) | 2005-11-15 | 2005-11-15 | Lechette annulaire destinee a un labyrinthe d'etancheite et son procede de fabrication |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2893357B1 (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4696147B2 (ja) | 2008-06-30 | 2011-06-08 | 株式会社日立製作所 | ターボ機械 |
US8529736B2 (en) * | 2010-05-25 | 2013-09-10 | General Electric Company | System and method for metal cutting |
FR2974842B1 (fr) * | 2011-05-05 | 2015-07-03 | Snecma | Joint d'etancheite dans une turbomachine, comprenant des lechettes mobiles devant de l'abradable |
CN103047418A (zh) * | 2013-01-18 | 2013-04-17 | 沈阳航空航天大学 | 一种新型高稳定错位三气楔密封结构 |
FR3072121B1 (fr) * | 2017-10-06 | 2021-07-30 | Safran Aircraft Engines | Dispositif d'etancheite entre rotor et stator de turbomachine |
FR3094395B1 (fr) * | 2019-04-01 | 2022-07-15 | Safran Aircraft Engines | turbine |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE474361C (de) * | 1926-11-07 | 1929-03-30 | Bergmann Elek Citaets Werke Ak | Einrichtung zur Abdichtung umlaufender Teile, insbesondere der Wellen von Dampf- oder Gasturbinen |
JPS5590229A (en) * | 1978-12-12 | 1980-07-08 | Toshiba Corp | Electrochemical machining method for turbine blade wheel |
US4772372A (en) * | 1987-05-13 | 1988-09-20 | General Electric Company | Electrodes for electrochemically machining airfoil blades |
DE19933445C2 (de) * | 1999-07-16 | 2001-12-13 | Mtu Aero Engines Gmbh | Dichtring für nicht- hermetische Fluiddichtungen |
DE10047307A1 (de) * | 2000-09-25 | 2002-08-01 | Alstom Switzerland Ltd | Dichtungsanordnung |
-
2005
- 2005-11-15 FR FR0511576A patent/FR2893357B1/fr active Active
Also Published As
Publication number | Publication date |
---|---|
FR2893357A1 (fr) | 2007-05-18 |
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Legal Events
Date | Code | Title | Description |
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PLFP | Fee payment |
Year of fee payment: 11 |
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PLFP | Fee payment |
Year of fee payment: 12 |
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PLFP | Fee payment |
Year of fee payment: 13 |
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CD | Change of name or company name |
Owner name: SAFRAN AIRCRAFT ENGINES, FR Effective date: 20170717 |
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PLFP | Fee payment |
Year of fee payment: 14 |
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PLFP | Fee payment |
Year of fee payment: 15 |
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Year of fee payment: 16 |
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PLFP | Fee payment |
Year of fee payment: 19 |