FR3121171B1 - Fan rotor for a turbomachine - Google Patents
Fan rotor for a turbomachine Download PDFInfo
- Publication number
- FR3121171B1 FR3121171B1 FR2103043A FR2103043A FR3121171B1 FR 3121171 B1 FR3121171 B1 FR 3121171B1 FR 2103043 A FR2103043 A FR 2103043A FR 2103043 A FR2103043 A FR 2103043A FR 3121171 B1 FR3121171 B1 FR 3121171B1
- Authority
- FR
- France
- Prior art keywords
- shroud
- platforms
- blades
- radially
- upstream
- 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
- 238000011144 upstream manufacturing Methods 0.000 abstract 3
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
- F01D5/30—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
- 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
- F01D5/12—Blades
- F01D5/26—Antivibration means not restricted to blade form or construction or to blade-to-blade connections or to the use of particular materials
-
- 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
- F01D5/32—Locking, e.g. by final locking blades or keys
- F01D5/326—Locking of axial insertion type blades by other 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
- F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
- F01D21/04—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for responsive to undesired position of rotor relative to stator or to breaking-off of a part of the rotor, e.g. indicating such position
- F01D21/045—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for responsive to undesired position of rotor relative to stator or to breaking-off of a part of the rotor, e.g. indicating such position special arrangements in stators or in rotors dealing with breaking-off of part of rotor
-
- 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
- F01D5/3007—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type
- F01D5/3015—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type with side plates
-
- 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
- F01D5/32—Locking, e.g. by final locking blades or keys
- F01D5/323—Locking of axial insertion type blades by means of a key or the like parallel to the axis of the 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
- F05D2220/00—Application
- F05D2220/30—Application in turbines
- F05D2220/36—Application in turbines specially adapted for the fan of turbofan 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
- F05D2250/00—Geometry
- F05D2250/20—Three-dimensional
- F05D2250/28—Three-dimensional patterned
- F05D2250/283—Three-dimensional patterned honeycomb
-
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/10—Metals, alloys or intermetallic compounds
- F05D2300/12—Light metals
- F05D2300/121—Aluminium
-
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/40—Organic materials
- F05D2300/43—Synthetic polymers, e.g. plastics; Rubber
-
- 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)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
L’invention concerne un ensemble pour un rotor de soufflante (2) apte à être mobile en rotation autour d’un axe (X), comportant un disque (17) comprenant des alvéoles (16) débouchant en périphérie radialement externe du disque (17), des aubes (12) comprenant des pieds (13) montés dans lesdits alvéoles (16) et des plates-formes (14) définissant une partie d’une surface interne d’une veine (25) d’écoulement des gaz, une virole amont (20) comportant une partie annulaire radialement externe (20a) s’étendant à l’amont dans le prolongement des plates-formes (14) des aubes (12) et une partie radialement interne (20d), une virole aval (23) comportant une partie annulaire radialement externe (23a) s’étendant à l’aval dans le prolongement des plates-formes (14) des aubes (12) et une partie radialement interne (23c) , la partie radialement interne (20d, 23c) de la virole amont (20) et/ou de la virole aval (23) étant intercalé radialement entre au moins un pied (13) d’aube (12) et une surface de fond (19) de l’alvéole (16) correspondante. Figure à publier avec l’abrégé : [Fig. 4]The invention relates to an assembly for a fan rotor (2) capable of being rotatable around an axis (X), comprising a disc (17) comprising cells (16) opening out at the radially outer periphery of the disc (17 ), blades (12) comprising feet (13) mounted in said cells (16) and platforms (14) defining a part of an internal surface of a gas flow stream (25), a upstream shroud (20) comprising a radially outer annular part (20a) extending upstream in the extension of the platforms (14) of the blades (12) and a radially inner part (20d), a downstream shroud (23 ) comprising a radially outer annular part (23a) extending downstream in the extension of the platforms (14) of the blades (12) and a radially inner part (23c), the radially inner part (20d, 23c) of the upstream shroud (20) and/or of the downstream shroud (23) being interposed radially between at least one root (13) of the blade (12) and a bottom surface (19) of the corresponding cell (16) . Figure to be published with abstract: [Fig. 4]
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR2103043A FR3121171B1 (en) | 2021-03-25 | 2021-03-25 | Fan rotor for a turbomachine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR2103043A FR3121171B1 (en) | 2021-03-25 | 2021-03-25 | Fan rotor for a turbomachine |
FR2103043 | 2021-03-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR3121171A1 FR3121171A1 (en) | 2022-09-30 |
FR3121171B1 true FR3121171B1 (en) | 2023-04-14 |
Family
ID=75746900
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR2103043A Active FR3121171B1 (en) | 2021-03-25 | 2021-03-25 | Fan rotor for a turbomachine |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR3121171B1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20240141794A1 (en) * | 2022-10-28 | 2024-05-02 | Raytheon Technologies Corporation | Deformable root spacer for a gas turbine engine rotor blade |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2739136B1 (en) * | 1995-09-21 | 1997-10-31 | Snecma | DAMPING ARRANGEMENT FOR ROTOR BLADES |
FR2746456B1 (en) | 1996-03-21 | 1998-04-30 | Snecma | DEVICE FOR RETAINING THE FOOT OF THE BLADES OF A BLOWER |
FR2803623B1 (en) * | 2000-01-06 | 2002-03-01 | Snecma Moteurs | ARRANGEMENT FOR AXIAL RETENTION OF BLADES IN A DISC |
FR2881174B1 (en) | 2005-01-27 | 2010-08-20 | Snecma Moteurs | DEVICE FOR POSITIONING A DASHBOARD AND AUBAGE DISK COMPRISING SUCH A DEVICE |
FR2918129B1 (en) | 2007-06-26 | 2009-10-30 | Snecma Sa | IMPROVEMENT TO AN INTERCALE BETWEEN A FOOT OF DAWN AND THE BACKGROUND OF THE ALVEOLE OF THE DISK IN WHICH IT IS MOUNTED |
FR2921409B1 (en) * | 2007-09-25 | 2009-12-18 | Snecma | CLINKING FOR TURBOMACHINE DAWN. |
FR2978796B1 (en) | 2011-08-03 | 2013-08-09 | Snecma | TURBOMACHINE AUBES WHEEL |
-
2021
- 2021-03-25 FR FR2103043A patent/FR3121171B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
FR3121171A1 (en) | 2022-09-30 |
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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: 20220930 |
|
PLFP | Fee payment |
Year of fee payment: 3 |
|
PLFP | Fee payment |
Year of fee payment: 4 |