FR3073000B1 - Aube mobile d'une turbomachine - Google Patents

Aube mobile d'une turbomachine Download PDF

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Publication number
FR3073000B1
FR3073000B1 FR1760318A FR1760318A FR3073000B1 FR 3073000 B1 FR3073000 B1 FR 3073000B1 FR 1760318 A FR1760318 A FR 1760318A FR 1760318 A FR1760318 A FR 1760318A FR 3073000 B1 FR3073000 B1 FR 3073000B1
Authority
FR
France
Prior art keywords
heel
downstream
upstream
hook
turbomachine
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
FR1760318A
Other languages
English (en)
Other versions
FR3073000A1 (fr
Inventor
Patrick Jean Laurent Sultana
Baptiste Marie Aubin Pierre Jouy
Sebastien Jean Laurent Prestel
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 FR1760318A priority Critical patent/FR3073000B1/fr
Publication of FR3073000A1 publication Critical patent/FR3073000A1/fr
Application granted granted Critical
Publication of FR3073000B1 publication Critical patent/FR3073000B1/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
    • 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
    • F01D11/16—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing by self-adjusting 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
    • 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
    • F01D11/12—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part
    • 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
    • F01D5/22—Blade-to-blade connections, e.g. for damping vibrations
    • F01D5/225—Blade-to-blade connections, e.g. for damping vibrations by shrouding
    • 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
    • F05D2230/00—Manufacture
    • F05D2230/20—Manufacture essentially without removing material
    • F05D2230/21—Manufacture essentially without removing material by casting
    • F05D2230/211—Manufacture essentially without removing material by casting by precision casting, e.g. microfusing or investment casting
    • 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
    • F05D2230/00—Manufacture
    • F05D2230/20—Manufacture essentially without removing material
    • F05D2230/22—Manufacture essentially without removing material by sintering
    • 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
    • F05D2230/00—Manufacture
    • F05D2230/20—Manufacture essentially without removing material
    • F05D2230/24—Manufacture essentially without removing material by extrusion
    • 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
    • F05D2230/00—Manufacture
    • F05D2230/60—Assembly methods
    • F05D2230/61—Assembly methods using limited numbers of standard modules which can be adapted by machining
    • 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)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

Aube (1) mobile d'une turbomachine (3) comprenant une pale (5) s'étendant suivant une direction radiale (R) et un talon (4) comprenant une plateforme (6), le talon (4) comprenant un crochet amont (7) au niveau d'une extrémité amont du talon (4) et un crochet aval (8) au niveau d'une extrémité aval du talon (4) définissant une enceinte (9) avec la plateforme (6), lesdits crochets amont et aval (7, 8) étant distants de manière à définir une ouverture (10), ledit talon (4) comprenant un élément d'étanchéité (11) comportant une base (12) et au moins une léchette (13) en saillie radialement vers l'extérieur, ledit élément d'étanchéité (11) étant rapporté dans ladite enceinte (9) de sorte qu'un bord amont (18) et un bord aval (19) de ladite base (12) soit respectivement en contact radial avec ledit crochet amont (7) et ledit crochet aval (8).
FR1760318A 2017-11-02 2017-11-02 Aube mobile d'une turbomachine Active FR3073000B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1760318A FR3073000B1 (fr) 2017-11-02 2017-11-02 Aube mobile d'une turbomachine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1760318A FR3073000B1 (fr) 2017-11-02 2017-11-02 Aube mobile d'une turbomachine
FR1760318 2017-11-02

Publications (2)

Publication Number Publication Date
FR3073000A1 FR3073000A1 (fr) 2019-05-03
FR3073000B1 true FR3073000B1 (fr) 2020-10-23

Family

ID=60923698

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1760318A Active FR3073000B1 (fr) 2017-11-02 2017-11-02 Aube mobile d'une turbomachine

Country Status (1)

Country Link
FR (1) FR3073000B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3145376A1 (fr) 2023-01-26 2024-08-02 Safran Aircraft Engines Aubage pour turbine de turbomachine, rotor, turbine et turbomachine correspondantes.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4446361A1 (de) * 1994-12-23 1996-06-27 Mtu Muenchen Gmbh Bürstendichtung für Turbomaschine
US6926495B2 (en) * 2003-09-12 2005-08-09 Siemens Westinghouse Power Corporation Turbine blade tip clearance control device
FR2977909B1 (fr) * 2011-07-12 2016-07-15 Snecma Aube de rotor pour une turbomachine
FR3025555B1 (fr) * 2014-09-09 2019-08-16 Safran Aircraft Engines Aube de turbine et turbomachine
FR3027622B1 (fr) * 2014-10-28 2018-11-09 Safran Aircraft Engines Aube de rotor a pilotage de jeu actif, ensemble tournant et son procede de fonctionnement
KR101643900B1 (ko) * 2015-06-05 2016-07-29 두산중공업 주식회사 터빈 실링을 위한 탄성 실

Also Published As

Publication number Publication date
FR3073000A1 (fr) 2019-05-03

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