FR3080886B1 - Turbomachine a soufflante carenee - Google Patents
Turbomachine a soufflante carenee Download PDFInfo
- Publication number
- FR3080886B1 FR3080886B1 FR1800420A FR1800420A FR3080886B1 FR 3080886 B1 FR3080886 B1 FR 3080886B1 FR 1800420 A FR1800420 A FR 1800420A FR 1800420 A FR1800420 A FR 1800420A FR 3080886 B1 FR3080886 B1 FR 3080886B1
- Authority
- FR
- France
- Prior art keywords
- fairing
- turbomachine
- fan
- blower
- blades
- 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
- 230000000295 complement effect Effects 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
- 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
- F01D5/20—Specially-shaped blade tips to seal space between tips and stator
-
- 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
- F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/321—Rotors specially for elastic fluids for axial flow pumps for axial flow compressors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
- F04D29/526—Details of the casing section radially opposing blade tips
-
- 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
- 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
- F05D2240/307—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the tip of a rotor blade
-
- 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
- F05D2250/24—Three-dimensional ellipsoidal
- F05D2250/241—Three-dimensional ellipsoidal spherical
-
- 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 une turbomachine comportant une soufflante (2) carénée, les pales (6) du rotor de ladite soufflante (2) étant à calage variable, caractérisée en ce que le carénage (1) de ladite soufflante (2) présente un renfoncement annulaire sphérique (S) en tête de pale, les têtes des pales (6) étant de forme générale complémentaire.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1800420A FR3080886B1 (fr) | 2018-05-02 | 2018-05-02 | Turbomachine a soufflante carenee |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1800420 | 2018-05-02 | ||
FR1800420A FR3080886B1 (fr) | 2018-05-02 | 2018-05-02 | Turbomachine a soufflante carenee |
Publications (2)
Publication Number | Publication Date |
---|---|
FR3080886A1 FR3080886A1 (fr) | 2019-11-08 |
FR3080886B1 true FR3080886B1 (fr) | 2020-10-30 |
Family
ID=62683266
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1800420A Active FR3080886B1 (fr) | 2018-05-02 | 2018-05-02 | Turbomachine a soufflante carenee |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR3080886B1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11268450B2 (en) * | 2017-05-02 | 2022-03-08 | Safran Aircraft Engines | Turbomachine with fan rotor and reduction gearbox driving a low-pressure decompressor shaft |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3135758A1 (fr) * | 2022-05-20 | 2023-11-24 | Safran Aircraft Engines | Carter de rétention d’une soufflante présentant une partie sphérique tronquée |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR996967A (fr) * | 1949-09-06 | 1951-12-31 | Rateau Soc | Perfectionnement aux aubages de turbomachines |
GB1294898A (fr) * | 1969-12-13 | 1972-11-01 | ||
US4726737A (en) * | 1986-10-28 | 1988-02-23 | United Technologies Corporation | Reduced loss swept supersonic fan blade |
US5275531A (en) * | 1993-04-30 | 1994-01-04 | Teleflex, Incorporated | Area ruled fan blade ends for turbofan jet engine |
JP3118136B2 (ja) * | 1994-03-28 | 2000-12-18 | 株式会社先進材料利用ガスジェネレータ研究所 | 軸流圧縮機のケーシング |
-
2018
- 2018-05-02 FR FR1800420A patent/FR3080886B1/fr active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11268450B2 (en) * | 2017-05-02 | 2022-03-08 | Safran Aircraft Engines | Turbomachine with fan rotor and reduction gearbox driving a low-pressure decompressor shaft |
Also Published As
Publication number | Publication date |
---|---|
FR3080886A1 (fr) | 2019-11-08 |
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Effective date: 20191108 |
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Year of fee payment: 3 |
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Year of fee payment: 4 |
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PLFP | Fee payment |
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