FR3085434B1 - Turbomachine a rattrapage d'effort axial entre le rotor et le stator par amenee d'huile sous pression - Google Patents

Turbomachine a rattrapage d'effort axial entre le rotor et le stator par amenee d'huile sous pression Download PDF

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Publication number
FR3085434B1
FR3085434B1 FR1857718A FR1857718A FR3085434B1 FR 3085434 B1 FR3085434 B1 FR 3085434B1 FR 1857718 A FR1857718 A FR 1857718A FR 1857718 A FR1857718 A FR 1857718A FR 3085434 B1 FR3085434 B1 FR 3085434B1
Authority
FR
France
Prior art keywords
turbomachine
stator
bearing
rotor
axial
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
FR1857718A
Other languages
English (en)
Other versions
FR3085434A1 (fr
Inventor
Olivier Weber
Benjamin Lemenand
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 FR1857718A priority Critical patent/FR3085434B1/fr
Publication of FR3085434A1 publication Critical patent/FR3085434A1/fr
Application granted granted Critical
Publication of FR3085434B1 publication Critical patent/FR3085434B1/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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/18—Lubricating arrangements
    • 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
    • F02C7/06—Arrangements of bearings; Lubricating
    • 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
    • F05D2220/323—Application in turbines in gas turbines for aircraft propulsion, e.g. jet engines
    • 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
    • F05D2240/50—Bearings
    • F05D2240/52—Axial thrust bearings
    • 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
    • F05D2260/30—Retaining components in desired mutual position
    • 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
    • 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
    • F05D2260/98—Lubrication

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Support Of The Bearing (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

L'invention concerne une turbomachine comportant un stator (1) et un rotor (2) monté sur un arbre (3), au moins un premier palier (4) à roulement à billes formant une butée axiale liée au stator, une bague (4b) interne du premier palier (4) étant solidaire de l'arbre (3) et une bague (4a) externe du premier palier (4) étant solidaire du stator (1), ladite turbomachine comportant un circuit de lubrification des paliers configuré pour faire circuler une huile de lubrification, ladite turbomachine comportant une enceinte (E) contenant le premier palier (4) et au moins un deuxième palier et comportant en outre un piston et un système d'amenée d'huile sous pression dans ledit piston, ledit piston étant disposé dans ladite enceinte (E), ledit piston étant monté entre une zone liée à la bague externe (4a) et une zone liée à l'arbre (3), pour exercer un effort maintenant l'arbre (3) en butée axiale.
FR1857718A 2018-08-28 2018-08-28 Turbomachine a rattrapage d'effort axial entre le rotor et le stator par amenee d'huile sous pression Active FR3085434B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1857718A FR3085434B1 (fr) 2018-08-28 2018-08-28 Turbomachine a rattrapage d'effort axial entre le rotor et le stator par amenee d'huile sous pression

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1857718 2018-08-28
FR1857718A FR3085434B1 (fr) 2018-08-28 2018-08-28 Turbomachine a rattrapage d'effort axial entre le rotor et le stator par amenee d'huile sous pression

Publications (2)

Publication Number Publication Date
FR3085434A1 FR3085434A1 (fr) 2020-03-06
FR3085434B1 true FR3085434B1 (fr) 2020-07-31

Family

ID=65201181

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1857718A Active FR3085434B1 (fr) 2018-08-28 2018-08-28 Turbomachine a rattrapage d'effort axial entre le rotor et le stator par amenee d'huile sous pression

Country Status (1)

Country Link
FR (1) FR3085434B1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4159888A (en) * 1977-10-07 1979-07-03 General Motors Corporation Thrust balancing
FR2752024B1 (fr) * 1996-08-01 1998-09-04 Snecma Support d'arbre cassant a l'apparition d'un balourd
GB0720628D0 (en) * 2007-10-20 2007-11-28 Rolls Royce Plc Bearing arrangement
DE102014114473A1 (de) * 2014-10-06 2016-04-07 Rolls-Royce Deutschland Ltd & Co Kg Gasturbine mit wenigstens zwei koaxial zueinander angeordneten und zumindest bereichsweise als Hohlwellen ausgebildeten Wellen

Also Published As

Publication number Publication date
FR3085434A1 (fr) 2020-03-06

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