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FR3096072B1 - Turbomachine comprenant un amortisseur de palier d’arbre à viscance variable - Google Patents

Turbomachine comprenant un amortisseur de palier d’arbre à viscance variable Download PDF

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Publication number
FR3096072B1
FR3096072B1 FR1905025A FR1905025A FR3096072B1 FR 3096072 B1 FR3096072 B1 FR 3096072B1 FR 1905025 A FR1905025 A FR 1905025A FR 1905025 A FR1905025 A FR 1905025A FR 3096072 B1 FR3096072 B1 FR 3096072B1
Authority
FR
France
Prior art keywords
bearing
variable
turbomachine
seal
viscance
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
FR1905025A
Other languages
English (en)
Other versions
FR3096072A1 (fr
Inventor
Julien Fabien Patrick Becoulet
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 FR1905025A priority Critical patent/FR3096072B1/fr
Publication of FR3096072A1 publication Critical patent/FR3096072A1/fr
Application granted granted Critical
Publication of FR3096072B1 publication Critical patent/FR3096072B1/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
    • F01D25/16—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
    • 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
    • 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
    • F05D2230/00—Manufacture
    • F05D2230/60—Assembly methods
    • F05D2230/64—Assembly methods using positioning or alignment devices for aligning or centring, e.g. pins
    • F05D2230/644—Assembly methods using positioning or alignment devices for aligning or centring, e.g. pins for adjusting the position or the alignment, e.g. wedges or eccenters
    • 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
    • F05D2240/53—Hydrodynamic or hydrostatic 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
    • F05D2260/32—Retaining components in desired mutual position by means of magnetic or electromagnetic forces

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Support Of The Bearing (AREA)

Abstract

Turbomachine (10) comportant un arbre rotatif (16), un palier (18) soutenant l’arbre rotatif (16), un support de palier (20) soutenant le palier (18), et une bague intermédiaire (24) disposée entre le palier (18) et le support de palier (20), la bague intermédiaire (24) étant configurée pour coulisser axialement par rapport au palier (18), un premier joint (36) couplé axialement avec le palier (18) et un deuxième joint (38) couplé axialement avec la bague intermédiaire (24), le premier joint (36), le deuxième joint (38), le palier (18) et la bague intermédiaire (24) définissant une chambre (40) à longueur axiale (L) variable et formant, lorsqu’elle est remplie d’huile, un amortisseur à raideur variable. Figure pour l’abrégé : Fig. 2.
FR1905025A 2019-05-14 2019-05-14 Turbomachine comprenant un amortisseur de palier d’arbre à viscance variable Active FR3096072B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1905025A FR3096072B1 (fr) 2019-05-14 2019-05-14 Turbomachine comprenant un amortisseur de palier d’arbre à viscance variable

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1905025 2019-05-14
FR1905025A FR3096072B1 (fr) 2019-05-14 2019-05-14 Turbomachine comprenant un amortisseur de palier d’arbre à viscance variable

Publications (2)

Publication Number Publication Date
FR3096072A1 FR3096072A1 (fr) 2020-11-20
FR3096072B1 true FR3096072B1 (fr) 2021-04-30

Family

ID=68072623

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1905025A Active FR3096072B1 (fr) 2019-05-14 2019-05-14 Turbomachine comprenant un amortisseur de palier d’arbre à viscance variable

Country Status (1)

Country Link
FR (1) FR3096072B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3120904B1 (fr) * 2021-03-18 2023-03-24 Safran Aircraft Engines Dispositif de centrage et de guidage d’un arbre de turbomachine d’aeronef

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2629537B1 (fr) 1988-03-30 1990-11-30 Snecma Palier inter-arbres de turbomachine multi-corps muni d'un dispositif de pilotage de jeu
FR2845138B1 (fr) * 2002-10-01 2004-12-17 Snecma Moteurs Palier a roulement amorti a l'huile
US7574854B2 (en) * 2006-01-06 2009-08-18 General Electric Company Gas turbine engine assembly and methods of assembling same
FR2979681B1 (fr) 2011-09-05 2014-05-16 Snecma Turbomachine comportant un film fluide d'amortissement d'un palier de guidage d'un arbre de turbomachine et procede de reglage de l'epaisseur d'un tel film fluide d'amortissement

Also Published As

Publication number Publication date
FR3096072A1 (fr) 2020-11-20

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