FR2954797B1 - Rotor de turbine basse pression a agencement de ventilation de l'arriere vers l'avant d'un disque aval de tambour, et turbomachine equipee d'un tel rotor - Google Patents
Rotor de turbine basse pression a agencement de ventilation de l'arriere vers l'avant d'un disque aval de tambour, et turbomachine equipee d'un tel rotorInfo
- Publication number
- FR2954797B1 FR2954797B1 FR0959642A FR0959642A FR2954797B1 FR 2954797 B1 FR2954797 B1 FR 2954797B1 FR 0959642 A FR0959642 A FR 0959642A FR 0959642 A FR0959642 A FR 0959642A FR 2954797 B1 FR2954797 B1 FR 2954797B1
- Authority
- FR
- France
- Prior art keywords
- rotor
- low pressure
- pressure turbine
- ventilation arrangement
- rear ventilation
- 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
- RLQJEEJISHYWON-UHFFFAOYSA-N flonicamid Chemical compound FC(F)(F)C1=CC=NC=C1C(=O)NCC#N RLQJEEJISHYWON-UHFFFAOYSA-N 0.000 title 1
- 238000009423 ventilation Methods 0.000 title 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
- F01D5/02—Blade-carrying members, e.g. rotors
- F01D5/08—Heating, heat-insulating or cooling means
- F01D5/081—Cooling fluid being directed on the side of the rotor disc or at the roots of the blades
- F01D5/084—Cooling fluid being directed on the side of the rotor disc or at the roots of the blades the fluid circulating at the periphery of a multistage rotor, e.g. of drum type
-
- 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
- F01D5/30—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
- 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
-
- 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)
- Turbine Rotor Nozzle Sealing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0959642A FR2954797B1 (fr) | 2009-12-29 | 2009-12-29 | Rotor de turbine basse pression a agencement de ventilation de l'arriere vers l'avant d'un disque aval de tambour, et turbomachine equipee d'un tel rotor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0959642A FR2954797B1 (fr) | 2009-12-29 | 2009-12-29 | Rotor de turbine basse pression a agencement de ventilation de l'arriere vers l'avant d'un disque aval de tambour, et turbomachine equipee d'un tel rotor |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2954797A1 FR2954797A1 (fr) | 2011-07-01 |
FR2954797B1 true FR2954797B1 (fr) | 2016-03-18 |
Family
ID=42358444
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR0959642A Active FR2954797B1 (fr) | 2009-12-29 | 2009-12-29 | Rotor de turbine basse pression a agencement de ventilation de l'arriere vers l'avant d'un disque aval de tambour, et turbomachine equipee d'un tel rotor |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2954797B1 (fr) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2978793B1 (fr) * | 2011-08-03 | 2015-12-04 | Snecma | Rotor de turbine pour une turbomachine |
CA2918320C (fr) | 2013-07-26 | 2018-05-15 | Mra Systems, Inc. | Mat d'accrochage de moteur pour aeronef |
FR3019584B1 (fr) * | 2014-04-07 | 2019-05-17 | Safran Aircraft Engines | Systeme de ventilation d'une turbine a l'aide d'orifices traversants et de lunules |
FR3062414B1 (fr) * | 2017-02-02 | 2021-01-01 | Safran Aircraft Engines | Optimisation de percage d'anneau mobile |
FR3094028B1 (fr) | 2019-03-20 | 2021-02-26 | Safran Aircraft Engines | Turbine comprenant un anneau d’etancheite rivete |
FR3108361B1 (fr) | 2020-03-19 | 2023-05-12 | Safran Aircraft Engines | Roue de turbine pour une turbomachine d’aéronef |
FR3108938B1 (fr) | 2020-04-02 | 2022-03-04 | Safran Aircraft Engines | Anneau d’étanchéité pour un rotor de turbine de turbomachine |
FR3127021A1 (fr) | 2021-09-14 | 2023-03-17 | Safran Aircraft Engines | Aube mobile pour turbine de turbomachine, comprenant une échasse équipée d’excroissances de retenue radiale de l’aube |
CN114934815B (zh) * | 2022-05-12 | 2023-10-31 | 中国航发四川燃气涡轮研究院 | 一种金属基复合材料箍环式发动机转子叶环结构 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB612097A (en) * | 1946-10-09 | 1948-11-08 | English Electric Co Ltd | Improvements in and relating to the cooling of gas turbine rotors |
US4541775A (en) * | 1983-03-30 | 1985-09-17 | United Technologies Corporation | Clearance control in turbine seals |
JPH0740642Y2 (ja) * | 1986-04-17 | 1995-09-20 | 三菱重工業株式会社 | ガスタービン動翼への冷却空気供給構造 |
GB2307520B (en) * | 1995-11-14 | 1999-07-07 | Rolls Royce Plc | A gas turbine engine |
JP5129633B2 (ja) * | 2008-03-28 | 2013-01-30 | 三菱重工業株式会社 | 冷却通路用カバーおよび該カバーの製造方法ならびにガスタービン |
-
2009
- 2009-12-29 FR FR0959642A patent/FR2954797B1/fr active Active
Also Published As
Publication number | Publication date |
---|---|
FR2954797A1 (fr) | 2011-07-01 |
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Legal Events
Date | Code | Title | Description |
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PLFP | Fee payment |
Year of fee payment: 7 |
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RM | Correction of a material error |
Effective date: 20160404 |
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PLFP | Fee payment |
Year of fee payment: 8 |
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CD | Change of name or company name |
Owner name: SNECMA, FR Effective date: 20170713 |
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PLFP | Fee payment |
Year of fee payment: 9 |
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PLFP | Fee payment |
Year of fee payment: 10 |
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PLFP | Fee payment |
Year of fee payment: 11 |
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PLFP | Fee payment |
Year of fee payment: 12 |
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PLFP | Fee payment |
Year of fee payment: 13 |
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PLFP | Fee payment |
Year of fee payment: 14 |
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PLFP | Fee payment |
Year of fee payment: 15 |