FR3108689B1 - Bagues de paliers souple et raide fusionnées - Google Patents

Bagues de paliers souple et raide fusionnées Download PDF

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Publication number
FR3108689B1
FR3108689B1 FR2003072A FR2003072A FR3108689B1 FR 3108689 B1 FR3108689 B1 FR 3108689B1 FR 2003072 A FR2003072 A FR 2003072A FR 2003072 A FR2003072 A FR 2003072A FR 3108689 B1 FR3108689 B1 FR 3108689B1
Authority
FR
France
Prior art keywords
upstream
downstream
soft
outer ring
bearing rings
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
FR2003072A
Other languages
English (en)
Other versions
FR3108689A1 (fr
Inventor
Michel Gilbert Roland Brault
Julien Fabien Patrick Becoulet
Olivier Formica
Patrice Jean-Marc Rosset
Alexandre Jean-Marie Tan-Kim
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 FR2003072A priority Critical patent/FR3108689B1/fr
Priority to EP21720804.0A priority patent/EP4127416A1/fr
Priority to US17/906,930 priority patent/US20230117756A1/en
Priority to CN202180024519.1A priority patent/CN115335589A/zh
Priority to PCT/FR2021/050535 priority patent/WO2021191571A1/fr
Publication of FR3108689A1 publication Critical patent/FR3108689A1/fr
Application granted granted Critical
Publication of FR3108689B1 publication Critical patent/FR3108689B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • F16C33/583—Details of specific parts of races
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
    • 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
    • F01D25/164—Flexible supports; Vibration damping means associated with the bearing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D19/00—Axial-flow pumps
    • F04D19/02—Multi-stage pumps
    • F04D19/026—Multi-stage pumps with a plurality of shafts rotating at different speeds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/056—Bearings
    • F04D29/059—Roller bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/64—Mounting; Assembling; Disassembling of axial pumps
    • F04D29/644—Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/54—Systems consisting of a plurality of bearings with rolling friction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • F16C33/583—Details of specific parts of races
    • F16C33/586—Details of specific parts of races outside the space between the races, e.g. end faces or bore of inner ring
    • 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
    • F05D2240/54—Radial bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2360/00—Engines or pumps
    • F16C2360/23—Gas turbine engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
    • F16C27/04—Ball or roller bearings, e.g. with resilient rolling bodies
    • F16C27/045—Ball or roller bearings, e.g. with resilient rolling bodies with a fluid film, e.g. squeeze film damping
    • 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)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Rolling Contact Bearings (AREA)
  • Support Of The Bearing (AREA)

Abstract

Bagues de paliers souple et raide fusionnées L’invention concerne une enceinte (26) de turbomachine (10) comprenant un arbre moteur (16) de turbomachine en rotation autour d’un axe (X) longitudinal au moyen de deux paliers à roulements (22, 24), un palier amont (22) et un palier aval (24) comprenant chacun une bague interne (28a, 28b) portée par l’arbre moteur (16), l’enceinte (26) étant caractérisée en ce que les deux paliers (22, 24) partagent une bague externe unique monobloc (35), ladite bague externe unique (35) comportant une extrémité amont (36a) et une extrémité aval (36b), l’extrémité amont (36a) et l’extrémité aval (36b) étant reliées l’une à l’autre par un tronçon de colonnettes (34), la bague externe unique (35) étant en outre portée par une semelle amont (38a) et une semelle aval (38b) d’un support de palier (40) qui est apte à être fixé à une structure fixe de la turbomachine (10). Figure pour l’abrégé : 2
FR2003072A 2020-03-27 2020-03-27 Bagues de paliers souple et raide fusionnées Active FR3108689B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR2003072A FR3108689B1 (fr) 2020-03-27 2020-03-27 Bagues de paliers souple et raide fusionnées
EP21720804.0A EP4127416A1 (fr) 2020-03-27 2021-03-26 Bagues de paliers souple et raide fusionnees
US17/906,930 US20230117756A1 (en) 2020-03-27 2021-03-26 Fused soft and hard bearing rings
CN202180024519.1A CN115335589A (zh) 2020-03-27 2021-03-26 融合的软轴承环和硬轴承环
PCT/FR2021/050535 WO2021191571A1 (fr) 2020-03-27 2021-03-26 Bagues de paliers souple et raide fusionnees

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2003072 2020-03-27
FR2003072A FR3108689B1 (fr) 2020-03-27 2020-03-27 Bagues de paliers souple et raide fusionnées

Publications (2)

Publication Number Publication Date
FR3108689A1 FR3108689A1 (fr) 2021-10-01
FR3108689B1 true FR3108689B1 (fr) 2022-02-25

Family

ID=70804802

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2003072A Active FR3108689B1 (fr) 2020-03-27 2020-03-27 Bagues de paliers souple et raide fusionnées

Country Status (5)

Country Link
US (1) US20230117756A1 (fr)
EP (1) EP4127416A1 (fr)
CN (1) CN115335589A (fr)
FR (1) FR3108689B1 (fr)
WO (1) WO2021191571A1 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2135740B (en) * 1983-02-11 1986-02-12 Rolls Royce Gas turbine engine lubrication systems
RU1646354C (ru) * 1989-04-03 1995-06-27 Запорожское машиностроительное конструкторское бюро "Прогресс" Подшипниковая опора
US7581889B2 (en) * 2006-09-08 2009-09-01 Pratt & Whitney Canada Corp. Integral tandem bearing for high speed flexible shafts
FR2962176B1 (fr) * 2010-07-01 2012-07-13 Turbomeca Procede d'amortissement dynamique d'un arbre de puissance en particulier d'un arbre surcritique, et architecture d'amortissement de mise en oeuvre
US9933012B1 (en) * 2015-02-09 2018-04-03 United Technologies Corporation Bearing centering spring with integral outer rings
CA3000360C (fr) * 2017-04-14 2020-05-26 General Electric Company Assemblage de support dote d'un element de renfort variable
US10844746B2 (en) * 2019-03-29 2020-11-24 Pratt & Whitney Canada Corp. Bearing housing

Also Published As

Publication number Publication date
US20230117756A1 (en) 2023-04-20
CN115335589A (zh) 2022-11-11
FR3108689A1 (fr) 2021-10-01
WO2021191571A1 (fr) 2021-09-30
EP4127416A1 (fr) 2023-02-08

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