FR3075880B1 - Dispositif d'accouplement de deux arbres de turbomachine d'aeronef - Google Patents

Dispositif d'accouplement de deux arbres de turbomachine d'aeronef Download PDF

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Publication number
FR3075880B1
FR3075880B1 FR1763048A FR1763048A FR3075880B1 FR 3075880 B1 FR3075880 B1 FR 3075880B1 FR 1763048 A FR1763048 A FR 1763048A FR 1763048 A FR1763048 A FR 1763048A FR 3075880 B1 FR3075880 B1 FR 3075880B1
Authority
FR
France
Prior art keywords
annular
flanges
shafts
radial wall
aircraft turbomachine
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
FR1763048A
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English (en)
Other versions
FR3075880A1 (fr
Inventor
Michel Gilbert Roland Brault
Fabien Roger Gaston Caty
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 FR1763048A priority Critical patent/FR3075880B1/fr
Publication of FR3075880A1 publication Critical patent/FR3075880A1/fr
Application granted granted Critical
Publication of FR3075880B1 publication Critical patent/FR3075880B1/fr
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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
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/026—Shaft to shaft connections
    • 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
    • F02C7/36—Power transmission arrangements between the different shafts of the gas turbine plant, or between the gas-turbine plant and the power user
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K3/00—Plants including a gas turbine driving a compressor or a ducted fan
    • F02K3/02—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber
    • F02K3/04—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type
    • F02K3/06—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type with front fan
    • 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
    • F05D2260/31—Retaining bolts or nuts
    • 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
    • F05D2260/40—Transmission of power
    • F05D2260/403—Transmission of power through the shape of the drive components
    • F05D2260/4031—Transmission of power through the shape of the drive components as in toothed gearing
    • F05D2260/40311—Transmission of power through the shape of the drive components as in toothed gearing of the epicyclical, planetary or differential type
    • 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
    • F05D2260/60—Fluid transfer
    • F05D2260/609—Deoiling or demisting

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • General Details Of Gearings (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

Dispositif (20) d'accouplement de deux arbres (8a, 8b) de turbomachine d'aéronef, comportant des premier et second arbres s'étendant autour d'un même axe, le premier arbre comprenant une portion annulaire d'extrémité (8ab) qui a en section une forme sensiblement en L et qui comporte une première paroi radiale (22) comportant à sa périphérie externe une première bride annulaire (24) de raccordement, le second arbre comprenant une portion annulaire d'extrémité (8ba) qui a en section une forme sensiblement en L et qui comporte une seconde paroi radiale (26) sensiblement parallèle à ladite première paroi radiale et comportant à sa périphérie externe une seconde bride annulaire (28) de raccordement à ladite première bride annulaire, lesdites première et seconde brides étant traversées par des vis (32) axiales de serrage axial et de fixation des brides, caractérisé en ce que lesdites vis (32) sont logées dans un capotage annulaire (38) recouvrant au moins en partie lesdites brides (24, 28).
FR1763048A 2017-12-22 2017-12-22 Dispositif d'accouplement de deux arbres de turbomachine d'aeronef Active FR3075880B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1763048A FR3075880B1 (fr) 2017-12-22 2017-12-22 Dispositif d'accouplement de deux arbres de turbomachine d'aeronef

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1763048A FR3075880B1 (fr) 2017-12-22 2017-12-22 Dispositif d'accouplement de deux arbres de turbomachine d'aeronef
FR1763048 2017-12-22

Publications (2)

Publication Number Publication Date
FR3075880A1 FR3075880A1 (fr) 2019-06-28
FR3075880B1 true FR3075880B1 (fr) 2020-09-04

Family

ID=62092005

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1763048A Active FR3075880B1 (fr) 2017-12-22 2017-12-22 Dispositif d'accouplement de deux arbres de turbomachine d'aeronef

Country Status (1)

Country Link
FR (1) FR3075880B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3128483A1 (fr) * 2021-10-27 2023-04-28 Safran Aircraft Engines Rotor de turbomachine comprenant un cache couvrant des boulons de fixation

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5211541A (en) * 1991-12-23 1993-05-18 General Electric Company Turbine support assembly including turbine heat shield and bolt retainer assembly
GB9828812D0 (en) * 1998-12-29 1999-02-17 Rolls Royce Plc Gas turbine nose cone assembly
GB2489727B (en) * 2011-04-07 2013-07-10 Rolls Royce Plc Windage shield
US10030519B2 (en) * 2015-10-26 2018-07-24 Rolls-Royce Corporation System and method to retain a turbine cover plate between nested turbines with a tie bolt and spanner nut

Also Published As

Publication number Publication date
FR3075880A1 (fr) 2019-06-28

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