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 rotor

Info

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
Application number
FR0959642A
Other languages
English (en)
Other versions
FR2954797A1 (fr
Inventor
Chantal Gisele Giot
Goff Stevan Le
Julien Renaud
Paul Rodrigues
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Safran Aircraft Engines SAS
Original Assignee
SNECMA SAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SNECMA SAS filed Critical SNECMA SAS
Priority to FR0959642A priority Critical patent/FR2954797B1/fr
Publication of FR2954797A1 publication Critical patent/FR2954797A1/fr
Application granted granted Critical
Publication of FR2954797B1 publication Critical patent/FR2954797B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F01D5/02—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)
FR0959642A 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 Active FR2954797B1 (fr)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
FR2954797A1 (fr) 2011-07-01

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