FR3073898B1 - Ensemble distributeur support de paliers de turbomachine - Google Patents

Ensemble distributeur support de paliers de turbomachine Download PDF

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Publication number
FR3073898B1
FR3073898B1 FR1760975A FR1760975A FR3073898B1 FR 3073898 B1 FR3073898 B1 FR 3073898B1 FR 1760975 A FR1760975 A FR 1760975A FR 1760975 A FR1760975 A FR 1760975A FR 3073898 B1 FR3073898 B1 FR 3073898B1
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FR
France
Prior art keywords
extending radially
turbomachine
bearing support
fixed
distributor assembly
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
FR1760975A
Other languages
English (en)
Other versions
FR3073898A1 (fr
Inventor
Eric Jean-Louis Bouty
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 Helicopter Engines SAS
Original Assignee
Safran Helicopter 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 Helicopter Engines SAS filed Critical Safran Helicopter Engines SAS
Priority to FR1760975A priority Critical patent/FR3073898B1/fr
Publication of FR3073898A1 publication Critical patent/FR3073898A1/fr
Application granted granted Critical
Publication of FR3073898B1 publication Critical patent/FR3073898B1/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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
    • F01D25/162—Bearing supports
    • 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
    • F01D9/00—Stators
    • F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
    • F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
    • F01D9/041—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector using blades
    • 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
    • F02C7/24—Heat or noise insulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
    • F02K1/78—Other construction of jet pipes
    • F02K1/82—Jet pipe walls, e.g. liners
    • F02K1/827—Sound absorbing structures or liners
    • 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
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/32—Application in turbines in gas turbines
    • F05D2220/321—Application in turbines in gas turbines for a special turbine stage
    • F05D2220/3213—Application in turbines in gas turbines for a special turbine stage an intermediate stage of the turbine
    • 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
    • F05D2260/96—Preventing, counteracting or reducing vibration or noise
    • F05D2260/963—Preventing, counteracting or reducing vibration or noise by Helmholtz resonators
    • 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 ensemble distributeur support de palier de turbomachine, comprenant une pluralité d'aubes fixes directrices (16) s'étendant radialement entre une virole externe (22) et une virole interne (24) et définissant entre elles une veine aérodynamique (26), une épingle interne (28) s'étendant radialement vers l'intérieur depuis la virole interne et destinée à être fixée de manière étanche sur une structure de paliers (34), et une épingle externe (30) s'étendant radialement vers l'extérieur depuis la virole externe et destinée à être fixée de manière étanche sur un carter extérieur (38), ensemble dans lequel, pour réduire le bruit aval de la turbomachine, au moins l'une des viroles interne et externe est munie d'un ou plusieurs caissons résonnants (42, 44) adaptés pour absorber des fréquences basses prédéterminées, la veine aérodynamique (26) étant reconstituée par respectivement une ou plusieurs peaux perforées (42a, 44a) fermant ces caissons résonnants (42, 44).
FR1760975A 2017-11-21 2017-11-21 Ensemble distributeur support de paliers de turbomachine Active FR3073898B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1760975A FR3073898B1 (fr) 2017-11-21 2017-11-21 Ensemble distributeur support de paliers de turbomachine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1760975 2017-11-21
FR1760975A FR3073898B1 (fr) 2017-11-21 2017-11-21 Ensemble distributeur support de paliers de turbomachine

Publications (2)

Publication Number Publication Date
FR3073898A1 FR3073898A1 (fr) 2019-05-24
FR3073898B1 true FR3073898B1 (fr) 2021-02-12

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
FR1760975A Active FR3073898B1 (fr) 2017-11-21 2017-11-21 Ensemble distributeur support de paliers de turbomachine

Country Status (1)

Country Link
FR (1) FR3073898B1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8726665B2 (en) * 2007-06-05 2014-05-20 The Boeing Company Internal mixing of a portion of fan exhaust flow and full core exhaust flow in aircraft turbofan engines
DE102009037956A1 (de) * 2009-08-18 2009-12-31 Mtu Aero Engines Gmbh Turbinenaustrittsgehäuse
ITTO20130400A1 (it) * 2013-05-17 2014-11-18 Avio Spa Turbina di bassa pressione provvista di sdoppiatori in corrispondenza dell'ultima schiera statorica, in particolare per un motore a turbina a gas
FR3022301B1 (fr) * 2014-06-12 2016-07-29 Snecma Turbomachine comprenant un systeme d'entrainement d'un equipement tel qu'un boitier d'accessoires
FR3033828B1 (fr) * 2015-03-19 2018-04-20 Safran Helicopter Engines Distributeur monobloc de turbine pour moteur a turbine a gaz

Also Published As

Publication number Publication date
FR3073898A1 (fr) 2019-05-24

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