FR3118782B1 - Turbine a gaz haute-pression pour turbomachine - Google Patents

Turbine a gaz haute-pression pour turbomachine Download PDF

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Publication number
FR3118782B1
FR3118782B1 FR2100349A FR2100349A FR3118782B1 FR 3118782 B1 FR3118782 B1 FR 3118782B1 FR 2100349 A FR2100349 A FR 2100349A FR 2100349 A FR2100349 A FR 2100349A FR 3118782 B1 FR3118782 B1 FR 3118782B1
Authority
FR
France
Prior art keywords
spoiler
downstream
turbomachine
annular
high pressure
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
FR2100349A
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English (en)
Other versions
FR3118782A1 (fr
Inventor
Clément Jarrossay
Pascal Cédric Tabarin
Francesco Salvatori
Damien Bonneau
Cair David René Pierre Le
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
Safran Aircraft Engines 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 Safran Aircraft Engines SAS filed Critical Safran Aircraft Engines SAS
Priority to FR2100349A priority Critical patent/FR3118782B1/fr
Publication of FR3118782A1 publication Critical patent/FR3118782A1/fr
Application granted granted Critical
Publication of FR3118782B1 publication Critical patent/FR3118782B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F01D11/001—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between stator blade and rotor
    • 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
    • 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
    • F05D2220/3212—Application in turbines in gas turbines for a special turbine stage the first stage of a turbine

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

Turbine à gaz haute-pression pour une turbomachine (10), la turbine comprenant : un distributeur (30) comprenant une plateforme annulaire interne (34) ; une rangée annulaire d’aubes mobiles (40) montée en aval du distributeur (30), la rangée annulaire d’aubes mobiles comprenant un premier becquet amont (47), le premier becquet amont (47) étant agencé, en tout ou partie, radialement à l’intérieur de la plateforme annulaire interne (34) du distributeur (30) ; une pièce d’étanchéité (50) comprenant un premier becquet aval (54), le premier becquet aval (54) étant agencé, radialement à l’intérieur du premier becquet amont (47) de la rangée annulaire d’aubes mobiles (40), le premier becquet aval (54) formant une saillie radialement vers l’extérieur de la pièce d’étanchéité (50), une extrémité radialement externe (55) dudit premier becquet aval (54) étant agencée en vis-à-vis radial dudit premier becquet amont (47), formant ainsi une cavité annulaire de recirculation (60). Figure de l’abrégé : Figure 4
FR2100349A 2021-01-14 2021-01-14 Turbine a gaz haute-pression pour turbomachine Active FR3118782B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR2100349A FR3118782B1 (fr) 2021-01-14 2021-01-14 Turbine a gaz haute-pression pour turbomachine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2100349A FR3118782B1 (fr) 2021-01-14 2021-01-14 Turbine a gaz haute-pression pour turbomachine
FR2100349 2021-01-14

Publications (2)

Publication Number Publication Date
FR3118782A1 FR3118782A1 (fr) 2022-07-15
FR3118782B1 true FR3118782B1 (fr) 2023-07-07

Family

ID=75746780

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2100349A Active FR3118782B1 (fr) 2021-01-14 2021-01-14 Turbine a gaz haute-pression pour turbomachine

Country Status (1)

Country Link
FR (1) FR3118782B1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9062557B2 (en) * 2011-09-07 2015-06-23 Siemens Aktiengesellschaft Flow discourager integrated turbine inter-stage U-ring
EP2759676A1 (fr) * 2013-01-28 2014-07-30 Siemens Aktiengesellschaft Agencement de turbine présentant un meilleur effet d'étanchéité au niveau d'un joint étanche
GB2536628A (en) * 2015-03-19 2016-09-28 Rolls Royce Plc HPT Integrated interstage seal and cooling air passageways
BE1025961B1 (fr) * 2018-01-30 2019-08-28 Safran Aero Boosters S.A. Passage annulaire entre une virole et une plateforme rotorique de turbomachine

Also Published As

Publication number Publication date
FR3118782A1 (fr) 2022-07-15

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