FR3089546B1 - Improved bearing bracket - Google Patents

Improved bearing bracket Download PDF

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Publication number
FR3089546B1
FR3089546B1 FR1872454A FR1872454A FR3089546B1 FR 3089546 B1 FR3089546 B1 FR 3089546B1 FR 1872454 A FR1872454 A FR 1872454A FR 1872454 A FR1872454 A FR 1872454A FR 3089546 B1 FR3089546 B1 FR 3089546B1
Authority
FR
France
Prior art keywords
hand
bearing bracket
segment
improved bearing
seal segment
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
FR1872454A
Other languages
French (fr)
Other versions
FR3089546A1 (en
Inventor
Sébastien Serge Francis Congratel
Christophe Lima
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 FR1872454A priority Critical patent/FR3089546B1/en
Publication of FR3089546A1 publication Critical patent/FR3089546A1/en
Application granted granted Critical
Publication of FR3089546B1 publication Critical patent/FR3089546B1/en
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
    • 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
    • F02C7/28—Arrangement of seals
    • 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
    • F05D2240/55—Seals
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
  • Sealing Devices (AREA)

Abstract

Support de palier amélioré Ensemble comprenant un support de palier (3) d’un arbre de turbomachine, un segment d’étanchéité intérieur (4) et un segment d’étanchéité extérieur (5), caractérisé en ce que le segment d’étanchéité intérieur (4) et le segment d’étanchéité extérieur (5) sont insérés dans le support de palier (3), et leur débattement est axial est limité par une butée d’une part, et un anneau de maintien d’autre part, ledit ensemble comprenant en outre une entretoise positionnée en appui selon la direction longitudinale contre le anneau de maintien intérieur d’une part, et contre le segment d’étanchéité extérieur (5) d’autre part, et un élément d’indexation solidarisant le anneau de maintien extérieur au support de palier (3). Figure pour l’abrégé : Fig. 3.Improved bearing bracket Assembly comprising a bearing bracket (3) of a turbomachine shaft, an inner seal segment (4) and an outer seal segment (5), characterized in that the inner seal segment (4) and the outer sealing segment (5) are inserted into the bearing support (3), and their movement is axial is limited by a stop on the one hand, and a retaining ring on the other hand, said assembly further comprising a spacer positioned to bear in the longitudinal direction against the inner retaining ring on the one hand, and against the outer sealing segment (5) on the other hand, and an indexing element securing the ring of maintenance outside the bearing support (3). Figure for the abstract: Fig. 3.

FR1872454A 2018-12-06 2018-12-06 Improved bearing bracket Active FR3089546B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1872454A FR3089546B1 (en) 2018-12-06 2018-12-06 Improved bearing bracket

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1872454A FR3089546B1 (en) 2018-12-06 2018-12-06 Improved bearing bracket

Publications (2)

Publication Number Publication Date
FR3089546A1 FR3089546A1 (en) 2020-06-12
FR3089546B1 true FR3089546B1 (en) 2020-12-25

Family

ID=66166210

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1872454A Active FR3089546B1 (en) 2018-12-06 2018-12-06 Improved bearing bracket

Country Status (1)

Country Link
FR (1) FR3089546B1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7093418B2 (en) * 2004-04-21 2006-08-22 Honeywell International, Inc. Gas turbine engine including a low pressure sump seal buffer source and thermally isolated sump
US10316681B2 (en) * 2016-05-31 2019-06-11 General Electric Company System and method for domestic bleed circuit seals within a turbine
US10557359B2 (en) * 2016-11-03 2020-02-11 United Technologies Corporation Seal assembly

Also Published As

Publication number Publication date
FR3089546A1 (en) 2020-06-12

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