FR3112811B1 - Turbine à cavités pressurisées - Google Patents

Turbine à cavités pressurisées Download PDF

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Publication number
FR3112811B1
FR3112811B1 FR2007781A FR2007781A FR3112811B1 FR 3112811 B1 FR3112811 B1 FR 3112811B1 FR 2007781 A FR2007781 A FR 2007781A FR 2007781 A FR2007781 A FR 2007781A FR 3112811 B1 FR3112811 B1 FR 3112811B1
Authority
FR
France
Prior art keywords
rotor
turbine
stator part
drum
annular cavity
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
FR2007781A
Other languages
English (en)
Other versions
FR3112811A1 (fr
Inventor
Matthieu Simon
Ulysse Jacques Bernard Danteny
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 FR2007781A priority Critical patent/FR3112811B1/fr
Priority to US18/006,536 priority patent/US12312974B2/en
Priority to EP21752581.5A priority patent/EP4185765A1/fr
Priority to PCT/FR2021/051374 priority patent/WO2022018385A1/fr
Priority to CN202180050404.XA priority patent/CN115885091A/zh
Publication of FR3112811A1 publication Critical patent/FR3112811A1/fr
Application granted granted Critical
Publication of FR3112811B1 publication Critical patent/FR3112811B1/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
    • 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
    • F01D11/24—Actively adjusting tip-clearance by selectively cooling-heating stator or rotor components
    • 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
    • F01D1/00—Non-positive-displacement machines or engines, e.g. steam turbines
    • F01D1/24—Non-positive-displacement machines or engines, e.g. steam turbines characterised by counter-rotating rotors subjected to same working fluid stream without intermediate stator blades or the like
    • F01D1/26—Non-positive-displacement machines or engines, e.g. steam turbines characterised by counter-rotating rotors subjected to same working fluid stream without intermediate stator blades or the like traversed by the working-fluid substantially axially
    • 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
    • F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
    • F01D11/04—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type using sealing fluid, e.g. steam
    • 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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/08—Cooling; Heating; Heat-insulation
    • F01D25/12—Cooling
    • 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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
    • 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
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
    • F02C6/04—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output
    • F02C6/06—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output providing compressed gas
    • F02C6/08—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output providing compressed gas the gas being bled from the gas-turbine compressor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/12—Cooling of plants
    • F02C7/16—Cooling of plants characterised by cooling medium
    • F02C7/18—Cooling of plants characterised by cooling medium the medium being gaseous, e.g. air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K3/00—Plants including a gas turbine driving a compressor or a ducted fan
    • F02K3/02—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber
    • F02K3/04—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type
    • F02K3/06—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type with front fan
    • 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
    • F05D2250/00—Geometry
    • F05D2250/40—Movement of components
    • F05D2250/44—Movement of components by counter rotation
    • 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)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

L’invention concerne une turbine (7) comprenant un premier rotor (25) et un second rotor (27) aptes à pivoter autour d’un axe longitudinal (X) selon deux sens de rotation opposés, le premier rotor (25) comportant un tambour (29) radialement externe à partir duquel des aubes (26) s’étendent radialement vers l’intérieur, le premier rotor (25) et le second rotor (27) étant entourés par une pièce annulaire statorique (31), caractérisé en ce que ladite pièce annulaire statorique (31) délimite avec le tambour (29) au moins une cavité annulaire amont (40) et une cavité annulaire aval (42) séparées l’une de l’autre par des moyens d’étanchéité (44). Figure à publier avec l’abrégé : figure 4
FR2007781A 2020-07-23 2020-07-23 Turbine à cavités pressurisées Active FR3112811B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR2007781A FR3112811B1 (fr) 2020-07-23 2020-07-23 Turbine à cavités pressurisées
US18/006,536 US12312974B2 (en) 2020-07-23 2021-07-22 Turbine with pressurised cavities
EP21752581.5A EP4185765A1 (fr) 2020-07-23 2021-07-22 Turbine à cavités pressurisées
PCT/FR2021/051374 WO2022018385A1 (fr) 2020-07-23 2021-07-22 Turbine à cavités pressurisées
CN202180050404.XA CN115885091A (zh) 2020-07-23 2021-07-22 具有加压腔的涡轮

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2007781A FR3112811B1 (fr) 2020-07-23 2020-07-23 Turbine à cavités pressurisées
FR2007781 2020-07-23

Publications (2)

Publication Number Publication Date
FR3112811A1 FR3112811A1 (fr) 2022-01-28
FR3112811B1 true FR3112811B1 (fr) 2022-07-22

Family

ID=73401655

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2007781A Active FR3112811B1 (fr) 2020-07-23 2020-07-23 Turbine à cavités pressurisées

Country Status (5)

Country Link
US (1) US12312974B2 (fr)
EP (1) EP4185765A1 (fr)
CN (1) CN115885091A (fr)
FR (1) FR3112811B1 (fr)
WO (1) WO2022018385A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12624642B2 (en) 2023-02-15 2026-05-12 General Electric Company Low-pressure turbine
WO2026043887A1 (fr) * 2024-08-23 2026-02-26 Siemens Energy Global GmbH & Co. KG Refroidissement et étanchéité de turbomachines

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3546839C2 (de) * 1985-11-19 1995-05-04 Mtu Muenchen Gmbh Gasturbinenstrahltriebwerk in Mehrwellen-Zweistrombauweise
US4752185A (en) * 1987-08-03 1988-06-21 General Electric Company Non-contacting flowpath seal
GB9027986D0 (en) * 1990-12-22 1991-02-13 Rolls Royce Plc Gas turbine engine clearance control
US5152666A (en) * 1991-05-03 1992-10-06 United Technologies Corporation Stator assembly for a rotary machine
JP3710480B2 (ja) * 1994-08-24 2005-10-26 ユナイテッド テクノロジーズ コーポレイション 回転機械用回転可能なシール素子
FR2766232B1 (fr) * 1997-07-18 1999-08-20 Snecma Dispositif de refroidissement ou d'echauffement d'un carter circulaire
US6227800B1 (en) * 1998-11-24 2001-05-08 General Electric Company Bay cooled turbine casing
FR2938293B1 (fr) * 2008-11-12 2015-08-21 Snecma Dispositif de regulation du debit d'air alimentant une cavite de ventillation de turbine d'une section de turbine de turbomachine
US8011877B2 (en) * 2008-11-24 2011-09-06 General Electric Company Fiber composite reinforced aircraft gas turbine engine drums with radially inwardly extending blades
EP2518278A1 (fr) * 2011-04-28 2012-10-31 Siemens Aktiengesellschaft Canal de refroidissement de carter de turbine comprenant un fluide de refroidissement s'écoulant vers l'amont
WO2015122949A2 (fr) * 2013-12-17 2015-08-20 United Technologies Corporation Système de refroidissement de turbomachine adaptatif
FR3021700B1 (fr) 2014-05-27 2016-07-01 Snecma Dispositif de maintien d'un tube de refroidissement pour carter de turboreacteur
US10738791B2 (en) * 2015-12-16 2020-08-11 General Electric Company Active high pressure compressor clearance control
JP6639338B2 (ja) * 2016-07-11 2020-02-05 三菱日立パワーシステムズ株式会社 ガスタービン及びガスタービンの運転方法
US10612466B2 (en) * 2017-09-11 2020-04-07 United Technologies Corporation Gas turbine engine active clearance control system using inlet particle separator
US10480322B2 (en) * 2018-01-12 2019-11-19 General Electric Company Turbine engine with annular cavity
FR3082872B1 (fr) * 2018-06-25 2021-06-04 Safran Aircraft Engines Dispositif de refroidissement d'un carter de turbomachine

Also Published As

Publication number Publication date
US20230296023A1 (en) 2023-09-21
EP4185765A1 (fr) 2023-05-31
WO2022018385A1 (fr) 2022-01-27
CN115885091A (zh) 2023-03-31
FR3112811A1 (fr) 2022-01-28
US12312974B2 (en) 2025-05-27

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