FR3098244B1 - Aubage de turbomachine - Google Patents
Aubage de turbomachine Download PDFInfo
- Publication number
- FR3098244B1 FR3098244B1 FR1907492A FR1907492A FR3098244B1 FR 3098244 B1 FR3098244 B1 FR 3098244B1 FR 1907492 A FR1907492 A FR 1907492A FR 1907492 A FR1907492 A FR 1907492A FR 3098244 B1 FR3098244 B1 FR 3098244B1
- Authority
- FR
- France
- Prior art keywords
- blade
- platform
- vein
- upstream
- radially
- 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
- 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
- F01D5/142—Shape, i.e. outer, aerodynamic form of the blades of successive rotor or stator blade-rows
- F01D5/143—Contour of the outer or inner working fluid flow path wall, i.e. shroud or hub contour
-
- 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
-
- 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
- F01D9/00—Stators
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
- F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
-
- 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
- F01D9/00—Stators
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
- F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
- F01D9/041—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector using blades
-
- 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
- F01D9/00—Stators
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
- F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
- F01D9/042—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector fixing blades to stators
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
L’invention concerne un aubage de turbomachine s’étendant autour d’un axe et comportant une pale (14) s’étendant radialement par rapport à l’axe, ladite pale (14) comportant une surface d’intrados (17) et une surface d’extrados reliées l’une à l’autre au niveau d’un bord d’attaque (19) amont et d’un bord de fuite (20) aval, au moins une plate-forme radialement interne (15) et/ou radialement externe, à partir de laquelle s’étend la pale (14), ladite plate-forme (15) comportant une surface de veine (24), tournée vers la pale (14) et destinée à délimiter une partie d’une veine d’écoulement des gaz au sein de la turbomachine, la plate-forme (15) comportant une partie amont (25), située en amont de la surface de veine (24) et s’étendant radialement à l’opposé de la pale (14), par rapport à la surface de veine (24), caractérisé en ce que la plate-forme (15) comporte un bossage (26) radialement en saillie en direction de la pale (14), ledit bossage (26) étant situé en amont du bord d’attaque (19) de la pale (14), ledit bossage (26) s’étendant dans la partie amont (25) de la plate-forme (15). Figure à publier avec l’abrégé : figure 5 [Fig. 5]
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1907492A FR3098244B1 (fr) | 2019-07-04 | 2019-07-04 | Aubage de turbomachine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1907492A FR3098244B1 (fr) | 2019-07-04 | 2019-07-04 | Aubage de turbomachine |
FR1907492 | 2019-07-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR3098244A1 FR3098244A1 (fr) | 2021-01-08 |
FR3098244B1 true FR3098244B1 (fr) | 2021-09-10 |
Family
ID=67957149
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1907492A Active FR3098244B1 (fr) | 2019-07-04 | 2019-07-04 | Aubage de turbomachine |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR3098244B1 (fr) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6561761B1 (en) * | 2000-02-18 | 2003-05-13 | General Electric Company | Fluted compressor flowpath |
JP4346412B2 (ja) * | 2003-10-31 | 2009-10-21 | 株式会社東芝 | タービン翼列装置 |
FR2928172B1 (fr) | 2008-02-28 | 2015-07-17 | Snecma | Aube avec plateforme non axisymetrique lineaire. |
US8105037B2 (en) * | 2009-04-06 | 2012-01-31 | United Technologies Corporation | Endwall with leading-edge hump |
GB201315078D0 (en) * | 2013-08-23 | 2013-10-02 | Siemens Ag | Blade or vane arrangement for a gas turbine engine |
-
2019
- 2019-07-04 FR FR1907492A patent/FR3098244B1/fr active Active
Also Published As
Publication number | Publication date |
---|---|
FR3098244A1 (fr) | 2021-01-08 |
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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: 20210108 |
|
PLFP | Fee payment |
Year of fee payment: 3 |
|
PLFP | Fee payment |
Year of fee payment: 4 |
|
PLFP | Fee payment |
Year of fee payment: 5 |