FR3065745B1 - Stator de turbomachine d'aeronef - Google Patents
Stator de turbomachine d'aeronef Download PDFInfo
- Publication number
- FR3065745B1 FR3065745B1 FR1753670A FR1753670A FR3065745B1 FR 3065745 B1 FR3065745 B1 FR 3065745B1 FR 1753670 A FR1753670 A FR 1753670A FR 1753670 A FR1753670 A FR 1753670A FR 3065745 B1 FR3065745 B1 FR 3065745B1
- Authority
- FR
- France
- Prior art keywords
- revolution
- axis
- stator
- cavity
- respect
- 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
-
- 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
- F01D11/14—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing
- F01D11/20—Actively adjusting tip-clearance
- F01D11/22—Actively adjusting tip-clearance by mechanically actuating the stator or rotor components, e.g. moving shroud sections relative to the rotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/02—Surge control
- F04D27/0246—Surge control by varying geometry within the pumps, e.g. by adjusting vanes
-
- 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
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
- F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps
- F04D29/685—Inducing localised fluid recirculation in the stator-rotor interface
-
- 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
- F01D5/141—Shape, i.e. outer, aerodynamic form
- F01D5/145—Means for influencing boundary layers or secondary circulations
-
- 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
- F05D2220/321—Application in turbines in gas turbines for a special turbine stage
- F05D2220/3216—Application in turbines in gas turbines for a special turbine stage for a special compressor stage
-
- 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
- F05D2270/00—Control
- F05D2270/01—Purpose of the control system
- F05D2270/11—Purpose of the control system to prolong engine life
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
Stator (14) pour une turbomachine d'aéronef, ledit stator ayant une forme générale annulaire et étant destiné à s'étendre autour d'une roue à aubes (16) de rotor, ledit stator comportant un carter de révolution (22) comportant au moins une cavité annulaire (30) s'étendant autour d'un axe de révolution, ladite cavité débouchant radialement vers l'intérieur par rapport audit axe et étant destinée à s'étendre sensiblement autour de ladite roue, caractérisé en ce qu'il comprend des moyens de réglage d'au moins un paramètre dimensionnel de ladite cavité, tel que sa dimension radiale ou axiale vis-à-vis dudit axe de révolution, de façon à conserver une forme axisymétrique de ladite cavité vis-à-vis dudit axe de révolution.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1753670A FR3065745B1 (fr) | 2017-04-27 | 2017-04-27 | Stator de turbomachine d'aeronef |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1753670A FR3065745B1 (fr) | 2017-04-27 | 2017-04-27 | Stator de turbomachine d'aeronef |
FR1753670 | 2017-04-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR3065745A1 FR3065745A1 (fr) | 2018-11-02 |
FR3065745B1 true FR3065745B1 (fr) | 2019-12-27 |
Family
ID=59253733
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1753670A Active FR3065745B1 (fr) | 2017-04-27 | 2017-04-27 | Stator de turbomachine d'aeronef |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR3065745B1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11092030B2 (en) * | 2019-04-18 | 2021-08-17 | Raytheon Technologies Corporation | Adaptive case for a gas turbine engine |
US11572897B1 (en) * | 2021-07-13 | 2023-02-07 | Pratt & Whitney Canada Corp. | Compressor with casing treatment |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5203673A (en) * | 1992-01-21 | 1993-04-20 | Westinghouse Electric Corp. | Tip clearance control apparatus for a turbo-machine blade |
WO2014143311A1 (fr) * | 2013-03-14 | 2014-09-18 | Uskert Richard C | Carénages de turbine |
WO2014143934A1 (fr) * | 2013-03-15 | 2014-09-18 | United Technologies Corporation | Ensemble joint étanche à l'air externe d'aube flottant pour moteur à turbine à gaz |
US10557367B2 (en) * | 2013-12-30 | 2020-02-11 | United Technologies Corporation | Accessible rapid response clearance control system |
US9784117B2 (en) * | 2015-06-04 | 2017-10-10 | United Technologies Corporation | Turbine engine tip clearance control system with rocker arms |
-
2017
- 2017-04-27 FR FR1753670A patent/FR3065745B1/fr active Active
Also Published As
Publication number | Publication date |
---|---|
FR3065745A1 (fr) | 2018-11-02 |
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