FR3068732B1 - Dispositif de refroidissement - Google Patents

Dispositif de refroidissement Download PDF

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Publication number
FR3068732B1
FR3068732B1 FR1756386A FR1756386A FR3068732B1 FR 3068732 B1 FR3068732 B1 FR 3068732B1 FR 1756386 A FR1756386 A FR 1756386A FR 1756386 A FR1756386 A FR 1756386A FR 3068732 B1 FR3068732 B1 FR 3068732B1
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FR
France
Prior art keywords
tube
axis
wall
air
cooling
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
FR1756386A
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English (en)
Other versions
FR3068732A1 (fr
Inventor
Guillaume Silet Benoit
Yannick DURAND
Luc Florent Sicard Josselin
Anne Flore Houlet
Marie Aubin Pierre Jouy Baptiste
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 FR1756386A priority Critical patent/FR3068732B1/fr
Publication of FR3068732A1 publication Critical patent/FR3068732A1/fr
Application granted granted Critical
Publication of FR3068732B1 publication Critical patent/FR3068732B1/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
    • F01D11/08—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
    • 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
    • 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
    • F05D2240/12—Fluid guiding means, e.g. vanes
    • F05D2240/128—Nozzles
    • 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
    • F05D2260/00—Function
    • F05D2260/20—Heat transfer, e.g. cooling
    • F05D2260/201—Heat transfer, e.g. cooling by impingement of a fluid
    • 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
    • F05D2260/00—Function
    • F05D2260/60—Fluid transfer
    • 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

Abstract

L'invention concerne un dispositif de refroidissement d'un carter annulaire externe de turbine, le dispositif comprenant au moins un tube (36) s'étendant circonférentiellement autour de l'axe du carter et présentant une entrée d'air, destiné à l'acheminement d'air de refroidissement, ledit tube (36) comportant une paroi (39) pourvue d'orifices d'éjection (40) d'air de refroidissement situés en périphérie radialement interne du tube (36), caractérisé en ce que la paroi (39) du tube (36) présente une surface interne (41) et une surface externe (42) à partir de laquelle s'étendent des protubérances (43) s'étendant radialement en direction de l'axe du carter, les orifices (40) d'éjection d'air débouchant au niveau de la surface interne (41) et au niveau de l'extrémité libre (44) des protubérances (43).
FR1756386A 2017-07-06 2017-07-06 Dispositif de refroidissement Active FR3068732B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1756386A FR3068732B1 (fr) 2017-07-06 2017-07-06 Dispositif de refroidissement

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1756386A FR3068732B1 (fr) 2017-07-06 2017-07-06 Dispositif de refroidissement
FR1756386 2017-07-06

Publications (2)

Publication Number Publication Date
FR3068732A1 FR3068732A1 (fr) 2019-01-11
FR3068732B1 true FR3068732B1 (fr) 2020-06-26

Family

ID=59746180

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1756386A Active FR3068732B1 (fr) 2017-07-06 2017-07-06 Dispositif de refroidissement

Country Status (1)

Country Link
FR (1) FR3068732B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3115317A1 (fr) * 2020-10-20 2022-04-22 Safran Aircraft Engines Rampe de refroidissement pour turbomachine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20120519A1 (it) * 2012-06-14 2013-12-15 Avio Spa Turbina a gas per motori aeronautici
FR3002972B1 (fr) * 2013-03-06 2015-04-17 Snecma Dispositif de ventilation d'un carter de stator d'une turbomachine comprenant un ajustement en direction axiale
FR3041037B1 (fr) * 2015-09-15 2018-08-17 Safran Aircraft Engines Dispositif de ventilation d'un carter de turbine d'une turbomachine
US10513944B2 (en) * 2015-12-21 2019-12-24 General Electric Company Manifold for use in a clearance control system and method of manufacturing

Also Published As

Publication number Publication date
FR3068732A1 (fr) 2019-01-11

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