FR3093536B1 - Rotor pour une turbine contrarotative de turbomachine - Google Patents
Rotor pour une turbine contrarotative de turbomachine Download PDFInfo
- Publication number
- FR3093536B1 FR3093536B1 FR1902389A FR1902389A FR3093536B1 FR 3093536 B1 FR3093536 B1 FR 3093536B1 FR 1902389 A FR1902389 A FR 1902389A FR 1902389 A FR1902389 A FR 1902389A FR 3093536 B1 FR3093536 B1 FR 3093536B1
- Authority
- FR
- France
- Prior art keywords
- wing
- spoiler
- rotor
- wall
- external
- 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.)
- Expired - Fee Related
Links
- RLQJEEJISHYWON-UHFFFAOYSA-N flonicamid Chemical compound FC(F)(F)C1=CC=NC=C1C(=O)NCC#N RLQJEEJISHYWON-UHFFFAOYSA-N 0.000 title 1
- 239000011888 foil Substances 0.000 abstract 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
- F01D1/00—Non-positive-displacement machines or engines, e.g. steam turbines
- F01D1/24—Non-positive-displacement machines or engines, e.g. steam turbines characterised by counter-rotating rotors subjected to same working fluid stream without intermediate stator blades or the like
-
- 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
- F01D1/00—Non-positive-displacement machines or engines, e.g. steam turbines
- F01D1/24—Non-positive-displacement machines or engines, e.g. steam turbines characterised by counter-rotating rotors subjected to same working fluid stream without intermediate stator blades or the like
- F01D1/26—Non-positive-displacement machines or engines, e.g. steam turbines characterised by counter-rotating rotors subjected to same working fluid stream without intermediate stator blades or the like traversed by the working-fluid substantially axially
-
- 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
- F01D5/02—Blade-carrying members, e.g. rotors
- F01D5/03—Annular blade-carrying members having blades on the inner periphery of the annulus and extending inwardly radially, i.e. inverted rotors
-
- 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
- F01D5/02—Blade-carrying members, e.g. rotors
-
- 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
- F01D5/02—Blade-carrying members, e.g. rotors
- F01D5/10—Anti- vibration means
-
- 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
- F01D5/303—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses in a circumferential slot
-
- 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
- F01D5/3092—Protective layers between blade root and rotor disc surfaces, e.g. anti-friction layers
-
- 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
-
- 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
- F05D2240/24—Rotors for 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
- F05D2250/00—Geometry
- F05D2250/40—Movement of components
- F05D2250/44—Movement of components by counter rotation
-
- 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
- F05D2260/30—Retaining components in desired mutual position
- F05D2260/38—Retaining components in desired mutual position by a spring, i.e. spring loaded or biased towards a certain position
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Rotor (4) pour une turbine contrarotative (1) comprenant un tambour (9) et un aubage (10) monté à l’intérieur, ledit tambour (9) comprenant un crochet (11) délimitant un logement (12) présentant une paroi externe et une paroi interne, ledit aubage (10) comprenant une pale (15) et une plateforme externe (16) pourvue d’un becquet (17) placé à l’intérieur dudit logement (12),caractérisé en ce que le rotor (4) comprend un clinquant (18) comprenant une aile interne élastique et une aile externe, ladite aile externe étant disposée radialement entre ledit becquet (17) et ladite paroi externe, ladite aile interne présentant un premier appui avec ladite paroi interne et un second appui avec ledit becquet (17), ladite aile interne étant disposée dans le logement (12) de sorte à exercer une contrainte sur ledit becquet (17) de manière à plaquer ledit becquet (17) contre ladite paroi externe via ladite aile externe. Figure pour l'abrégé : Figure 2
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1902389A FR3093536B1 (fr) | 2019-03-08 | 2019-03-08 | Rotor pour une turbine contrarotative de turbomachine |
EP20161551.5A EP3705684B1 (fr) | 2019-03-08 | 2020-03-06 | Rotor pour une turbine contrarotative de turbomachine |
US16/811,341 US11454117B2 (en) | 2019-03-08 | 2020-03-06 | Rotor for a contrarotating turbine of a turbine engine |
CN202010157104.9A CN111663962A (zh) | 2019-03-08 | 2020-03-09 | 涡轮发动机的反向旋转式涡轮的转子 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1902389 | 2019-03-08 | ||
FR1902389A FR3093536B1 (fr) | 2019-03-08 | 2019-03-08 | Rotor pour une turbine contrarotative de turbomachine |
Publications (2)
Publication Number | Publication Date |
---|---|
FR3093536A1 FR3093536A1 (fr) | 2020-09-11 |
FR3093536B1 true FR3093536B1 (fr) | 2021-02-19 |
Family
ID=67185392
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1902389A Expired - Fee Related FR3093536B1 (fr) | 2019-03-08 | 2019-03-08 | Rotor pour une turbine contrarotative de turbomachine |
Country Status (4)
Country | Link |
---|---|
US (1) | US11454117B2 (fr) |
EP (1) | EP3705684B1 (fr) |
CN (1) | CN111663962A (fr) |
FR (1) | FR3093536B1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11274557B2 (en) * | 2019-11-27 | 2022-03-15 | General Electric Company | Damper assemblies for rotating drum rotors of gas turbine engines |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4171930A (en) * | 1977-12-28 | 1979-10-23 | General Electric Company | U-clip for boltless blade retainer |
US4159624A (en) * | 1978-02-06 | 1979-07-03 | Gruner George P | Contra-rotating rotors with differential gearing |
FR2641573B1 (fr) * | 1989-01-11 | 1991-03-15 | Snecma | Rotor de turbomachine muni d'un dispositif de fixation des aubes |
US5131813A (en) * | 1990-04-03 | 1992-07-21 | General Electric Company | Turbine blade outer end attachment structure |
US5131814A (en) * | 1990-04-03 | 1992-07-21 | General Electric Company | Turbine blade inner end attachment structure |
US5307622A (en) | 1993-08-02 | 1994-05-03 | General Electric Company | Counterrotating turbine support assembly |
US5333995A (en) * | 1993-08-09 | 1994-08-02 | General Electric Company | Wear shim for a turbine engine |
US7048496B2 (en) * | 2002-10-31 | 2006-05-23 | General Electric Company | Turbine cooling, purge, and sealing system |
FR2866073B1 (fr) * | 2004-02-11 | 2006-07-28 | Snecma Moteurs | Turboreacteur ayant deux soufflantes contrarotatives solidaires d'un compresseur a basse pression contrarotatif |
JP5334990B2 (ja) * | 2007-12-20 | 2013-11-06 | ボルボ エアロ コーポレイション | ガスタービンエンジン |
FR2942273B1 (fr) | 2009-02-18 | 2011-06-10 | Snecma | Moteur double flux a roues de turbine contrarotatives |
JP5646517B2 (ja) * | 2009-03-09 | 2014-12-24 | スネクマ | タービンリング組立体 |
FR2986836B1 (fr) * | 2012-02-09 | 2016-01-01 | Snecma | Tole annulaire anti-usure pour une turbomachine |
US9103213B2 (en) * | 2012-02-29 | 2015-08-11 | General Electric Company | Scalloped surface turbine stage with purge trough |
FR3003301B1 (fr) * | 2013-03-14 | 2018-01-05 | Safran Helicopter Engines | Anneau de turbine pour turbomachine |
US20170167438A1 (en) * | 2015-12-11 | 2017-06-15 | General Electric Company | Gas Turbine Engine |
-
2019
- 2019-03-08 FR FR1902389A patent/FR3093536B1/fr not_active Expired - Fee Related
-
2020
- 2020-03-06 US US16/811,341 patent/US11454117B2/en active Active
- 2020-03-06 EP EP20161551.5A patent/EP3705684B1/fr active Active
- 2020-03-09 CN CN202010157104.9A patent/CN111663962A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
EP3705684B1 (fr) | 2021-08-18 |
FR3093536A1 (fr) | 2020-09-11 |
US11454117B2 (en) | 2022-09-27 |
EP3705684A1 (fr) | 2020-09-09 |
US20200284150A1 (en) | 2020-09-10 |
CN111663962A (zh) | 2020-09-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PLFP | Fee payment |
Year of fee payment: 2 |
|
PLSC | Publication of the preliminary search report |
Effective date: 20200911 |
|
PLFP | Fee payment |
Year of fee payment: 3 |
|
PLFP | Fee payment |
Year of fee payment: 4 |
|
ST | Notification of lapse |
Effective date: 20231105 |