FR3049652B1 - Turbomachine d'aeronef a dispositif de decharge - Google Patents

Turbomachine d'aeronef a dispositif de decharge Download PDF

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Publication number
FR3049652B1
FR3049652B1 FR1652836A FR1652836A FR3049652B1 FR 3049652 B1 FR3049652 B1 FR 3049652B1 FR 1652836 A FR1652836 A FR 1652836A FR 1652836 A FR1652836 A FR 1652836A FR 3049652 B1 FR3049652 B1 FR 3049652B1
Authority
FR
France
Prior art keywords
discharge device
aircraft turbomachine
turbine
combustion chamber
primary flow
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
FR1652836A
Other languages
English (en)
Other versions
FR3049652A1 (fr
Inventor
Nicolas Negri Arnaud
Edouard Romain Bordoni Nils
Gilbert Roland Brault Michel
Guillaume Cuvillier Romain
Nathalie Nowakowski
Patrice Kubiak Guillaume
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
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 Safran Aircraft Engines SAS, SNECMA SAS filed Critical Safran Aircraft Engines SAS
Priority to FR1652836A priority Critical patent/FR3049652B1/fr
Priority to US15/474,943 priority patent/US11230978B2/en
Priority to GB1705225.9A priority patent/GB2550478B/en
Publication of FR3049652A1 publication Critical patent/FR3049652A1/fr
Application granted granted Critical
Publication of FR3049652B1 publication Critical patent/FR3049652B1/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
    • F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
    • F01D21/02—Shutting-down responsive to overspeed
    • 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
    • F02C9/00—Controlling gas-turbine plants; Controlling fuel supply in air- breathing jet-propulsion plants
    • F02C9/16—Control of working fluid flow
    • F02C9/18—Control of working fluid flow by bleeding, bypassing or acting on variable working fluid interconnections between turbines or compressors or their stages
    • 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
    • F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
    • F02C3/04—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor
    • 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
    • F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
    • F01D21/04—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for responsive to undesired position of rotor relative to stator or to breaking-off of a part of the rotor, e.g. indicating such position
    • F01D21/06—Shutting-down
    • 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
    • F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
    • F02C3/04—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor
    • F02C3/13—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor having variable working fluid interconnections between turbines or compressors or stages of different rotors
    • 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
    • F02C9/00—Controlling gas-turbine plants; Controlling fuel supply in air- breathing jet-propulsion plants
    • F02C9/26—Control of fuel supply
    • F02C9/46—Emergency fuel control
    • 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
    • F02K3/075—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 controlling flow ratio between flows
    • 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
    • F05D2270/00—Control
    • F05D2270/01—Purpose of the control system
    • F05D2270/02—Purpose of the control system to control rotational speed (n)
    • F05D2270/021—Purpose of the control system to control rotational speed (n) to prevent overspeed
    • 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
    • F05D2270/00—Control
    • F05D2270/01—Purpose of the control system
    • F05D2270/04—Purpose of the control system to control acceleration (u)
    • F05D2270/042—Purpose of the control system to control acceleration (u) by keeping it below damagingly high values
    • 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
    • F05D2270/00—Control
    • F05D2270/01—Purpose of the control system
    • F05D2270/09—Purpose of the control system to cope with emergencies
    • F05D2270/091—Purpose of the control system to cope with emergencies in particular sudden load loss
    • 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)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Control Of Turbines (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

Turbomachine (10) d'aéronef, comportant au moins un premier compresseur, une chambre annulaire de combustion (70), et au moins une première turbine (46), qui définissent une première veine (22) d'écoulement d'un flux primaire, caractérisée en ce qu'elle comporte, entre ladite chambre de combustion (70) et ladite première turbine (46), un dispositif (55, 55') de décharge d'au moins une partie dudit flux primaire.
FR1652836A 2016-03-31 2016-03-31 Turbomachine d'aeronef a dispositif de decharge Active FR3049652B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR1652836A FR3049652B1 (fr) 2016-03-31 2016-03-31 Turbomachine d'aeronef a dispositif de decharge
US15/474,943 US11230978B2 (en) 2016-03-31 2017-03-30 Aircraft turbine engine comprising a discharge device
GB1705225.9A GB2550478B (en) 2016-03-31 2017-03-31 Aircraft turbine engine comprising a discharge device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1652836 2016-03-31
FR1652836A FR3049652B1 (fr) 2016-03-31 2016-03-31 Turbomachine d'aeronef a dispositif de decharge

Publications (2)

Publication Number Publication Date
FR3049652A1 FR3049652A1 (fr) 2017-10-06
FR3049652B1 true FR3049652B1 (fr) 2020-03-06

Family

ID=56087387

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1652836A Active FR3049652B1 (fr) 2016-03-31 2016-03-31 Turbomachine d'aeronef a dispositif de decharge

Country Status (3)

Country Link
US (1) US11230978B2 (fr)
FR (1) FR3049652B1 (fr)
GB (1) GB2550478B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3079550B1 (fr) * 2018-03-27 2020-10-23 Safran Aircraft Engines Arbre de turbine d'une turbomachine et procede de protection contre une survitesse dudit arbre
GB2574495B (en) * 2019-02-04 2021-02-17 Rolls Royce Plc Gas turbine engine shaft break mitigation

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3255586A (en) * 1962-09-12 1966-06-14 Dresser Ind Gas turbine capable of rapidly accepting or rejecting a load with minimum speed deviation
GB1484898A (en) * 1974-09-11 1977-09-08 Rolls Royce Ducted fan gas turbine engine
DE3940248A1 (de) * 1989-04-17 1990-10-18 Gen Electric Verfahren und einrichtung zum regeln eines gasturbinentriebwerkes
US6789000B1 (en) * 2002-04-16 2004-09-07 Altek Power Corporation Microprocessor-based control system for gas turbine electric powerplant
GB2473578B (en) * 2006-01-20 2011-08-03 Rolls Royce Power Eng Gas turbine engine system
DE102008024022A1 (de) * 2008-05-16 2009-11-19 Rolls-Royce Deutschland Ltd & Co Kg Gasturbinentriebwerk, insbesondere Flugtriebwerk
US10378439B2 (en) * 2011-12-30 2019-08-13 Rolls-Royce North American Technologies Inc. Gas turbine engine with variable speed turbines
US11053861B2 (en) * 2016-03-03 2021-07-06 General Electric Company Overspeed protection system and method
EP3266987A1 (fr) * 2016-07-08 2018-01-10 General Electric Technology GmbH Limiteur de vitesse et d'accélération de turbine

Also Published As

Publication number Publication date
GB201705225D0 (en) 2017-05-17
GB2550478A (en) 2017-11-22
GB2550478B (en) 2021-05-19
US11230978B2 (en) 2022-01-25
FR3049652A1 (fr) 2017-10-06
US20170284306A1 (en) 2017-10-05

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