FR3071538B1 - Aube de rotor pour une turbomachine - Google Patents

Aube de rotor pour une turbomachine Download PDF

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Publication number
FR3071538B1
FR3071538B1 FR1758929A FR1758929A FR3071538B1 FR 3071538 B1 FR3071538 B1 FR 3071538B1 FR 1758929 A FR1758929 A FR 1758929A FR 1758929 A FR1758929 A FR 1758929A FR 3071538 B1 FR3071538 B1 FR 3071538B1
Authority
FR
France
Prior art keywords
heel
axis
sealing lip
turbomachine
radially outer
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
FR1758929A
Other languages
English (en)
Other versions
FR3071538A1 (fr
Inventor
Vijeay Patel
Pragash Douglas
Guillaume Evrard
Quentin Bruno Guy Andre Emile Lievoux
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 FR1758929A priority Critical patent/FR3071538B1/fr
Priority to US16/651,052 priority patent/US11333031B2/en
Priority to PCT/FR2018/052273 priority patent/WO2019063909A1/fr
Publication of FR3071538A1 publication Critical patent/FR3071538A1/fr
Application granted granted Critical
Publication of FR3071538B1 publication Critical patent/FR3071538B1/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
    • F01D11/12—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
    • 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
    • F01D11/122—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 with erodable or abradable material
    • 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
    • F01D11/20—Actively adjusting tip-clearance
    • F01D11/22—Actively adjusting tip-clearance by mechanically actuating the stator or rotor components, e.g. moving shroud sections relative to the 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
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/20—Specially-shaped blade tips to seal space between tips and stator
    • 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
    • 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
    • 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
    • F05D2240/00—Components
    • F05D2240/10—Stators
    • F05D2240/11—Shroud seal segments
    • 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
    • F05D2240/00—Components
    • F05D2240/20—Rotors
    • F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F05D2240/307—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the tip of a rotor blade
    • 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
    • F05D2240/00—Components
    • F05D2240/55—Seals

Landscapes

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

Abstract

Un aspect de l'invention concerne une aube de rotor de turbomachine comportant une extrémité radialement externe munie d'un talon, le talon étant pourvu d'au moins une léchette d'étanchéité (3), la ou chaque léchette d'étanchéité (3) faisant saillie du talon suivant un premier axe (z), le premier axe (z) étant à +/- 15° selon une direction radiale, et s'étendant suivant un deuxième axe (x), sensiblement perpendiculaire au premier axe (z), entre une première extrémité extrados et une deuxième extrémité intrados, la ou chaque léchette d'étanchéité (3) présentant un premier côté amont et un deuxième côté aval ainsi qu'une surface radialement externe, l'aube étant caractérisée en ce que la ou chaque léchette d'étanchéité (3) comporte une base (7) fixée au talon et un embout (8) imbriqué de manière amovible avec la base (7).
FR1758929A 2017-09-27 2017-09-27 Aube de rotor pour une turbomachine Active FR3071538B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR1758929A FR3071538B1 (fr) 2017-09-27 2017-09-27 Aube de rotor pour une turbomachine
US16/651,052 US11333031B2 (en) 2017-09-27 2018-09-17 Rotor blade for a turbomachine
PCT/FR2018/052273 WO2019063909A1 (fr) 2017-09-27 2018-09-17 Aube de rotor pour une turbomachine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1758929A FR3071538B1 (fr) 2017-09-27 2017-09-27 Aube de rotor pour une turbomachine
FR1758929 2017-09-27

Publications (2)

Publication Number Publication Date
FR3071538A1 FR3071538A1 (fr) 2019-03-29
FR3071538B1 true FR3071538B1 (fr) 2020-09-04

Family

ID=60202224

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1758929A Active FR3071538B1 (fr) 2017-09-27 2017-09-27 Aube de rotor pour une turbomachine

Country Status (3)

Country Link
US (1) US11333031B2 (fr)
FR (1) FR3071538B1 (fr)
WO (1) WO2019063909A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102626244B1 (ko) * 2019-07-30 2024-01-17 지멘스 에너지, 인코포레이티드 고온 가스 터빈 컴포넌트들을 보수하기 위한 시스템 및 방법

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3053505A (en) * 1958-06-11 1962-09-11 Gen Motors Corp Pinned blade shrouding
FR2511908A1 (fr) 1981-08-26 1983-03-04 Snecma Procede de brasage-diffusion destine aux pieces en superalliages
US5234318A (en) * 1993-01-22 1993-08-10 Brandon Ronald E Clip-on radial tip seals for steam and gas turbines
US6926495B2 (en) * 2003-09-12 2005-08-09 Siemens Westinghouse Power Corporation Turbine blade tip clearance control device
US8753093B2 (en) * 2010-10-19 2014-06-17 General Electric Company Bonded turbine bucket tip shroud and related method
FR2977909B1 (fr) 2011-07-12 2016-07-15 Snecma Aube de rotor pour une turbomachine
US9163519B2 (en) * 2011-07-28 2015-10-20 General Electric Company Cap for ceramic blade tip shroud
FR2980234B1 (fr) 2011-09-16 2016-08-19 Snecma Aube pour turbomachine avec lechettes d'etancheite
US20140255194A1 (en) * 2012-12-21 2014-09-11 General Electric Company Tip shrouds of turbine rotor blades and methods of manufacture related thereto
WO2014137457A1 (fr) * 2013-03-08 2014-09-12 Uskert Richard C Procédé de formation d'un ensemble aile portante composite de moteur à turbine à gaz et ensemble aile portante correspondante
US9771870B2 (en) * 2014-03-04 2017-09-26 Rolls-Royce North American Technologies Inc. Sealing features for a gas turbine engine
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
US10544698B2 (en) * 2016-06-20 2020-01-28 United Technologies Corporation Air seal abrasive coating and method
US10995623B2 (en) * 2018-04-23 2021-05-04 Rolls-Royce Corporation Ceramic matrix composite turbine blade with abrasive tip
US10519777B2 (en) * 2018-05-14 2019-12-31 General Electric Company Tip member for blade structure and related method to form turbomachine component

Also Published As

Publication number Publication date
WO2019063909A1 (fr) 2019-04-04
US11333031B2 (en) 2022-05-17
US20200277872A1 (en) 2020-09-03
FR3071538A1 (fr) 2019-03-29

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