FR3135748B1 - Ensemble propulsif pour un aeronef - Google Patents

Ensemble propulsif pour un aeronef

Info

Publication number
FR3135748B1
FR3135748B1 FR2204859A FR2204859A FR3135748B1 FR 3135748 B1 FR3135748 B1 FR 3135748B1 FR 2204859 A FR2204859 A FR 2204859A FR 2204859 A FR2204859 A FR 2204859A FR 3135748 B1 FR3135748 B1 FR 3135748B1
Authority
FR
France
Prior art keywords
shells
propulsion assembly
fan
aircraft
gas generator
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
FR2204859A
Other languages
English (en)
Other versions
FR3135748A1 (fr
Inventor
Vincent François Georges Millier
Olivier Belmonte
Yves Roland Crochemore
Didier René André Escure
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 FR2204859A priority Critical patent/FR3135748B1/fr
Publication of FR3135748A1 publication Critical patent/FR3135748A1/fr
Application granted granted Critical
Publication of FR3135748B1 publication Critical patent/FR3135748B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
    • F01D5/3023—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses
    • F01D5/303—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses in a circumferential slot
    • 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
    • F01D7/00—Rotors with blades adjustable in operation; Control thereof
    • 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
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/34—Blade mountings
    • F04D29/36—Blade mountings adjustable
    • F04D29/362—Blade mountings adjustable during rotation
    • 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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
    • F04D29/526—Details of the casing section radially opposing blade tips
    • 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
    • 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
    • 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
    • F05D2230/70—Disassembly methods

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

Ensemble propulsif (54) pour un aéronef, cet ensemble propulsif (54) comportant : - un générateur de gaz, - une soufflante (24) située en amont du générateur de gaz, - un carter de soufflante (26) s’étendant autour de la soufflante (24), - une nacelle (58) s’étendant autour du carter de soufflante (26) et d’au moins une partie du générateur de gaz, caractérisé en ce que le carter de soufflante (26) comprend deux tronçons axiaux, le tronçon axial amont comportant deux demi-coquilles (46a, 46b) dont des extrémités circonférentielles sont jointives, chacune de ces demi-coquilles comportant une partie de la paroi cylindrique externe (28) et une partie du revêtement abradable (30), une première de ces demi-coquilles étant solidaire du tronçon axial aval, et une seconde de ces demi-coquilles étant amovible et fixée au niveau de ses extrémités circonférentielles sur les extrémités circonférentielles de la première demi-coquille. Figure pour l'abrégé : Figure 4
FR2204859A 2022-05-20 2022-05-20 Ensemble propulsif pour un aeronef Active FR3135748B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR2204859A FR3135748B1 (fr) 2022-05-20 2022-05-20 Ensemble propulsif pour un aeronef

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2204859 2022-05-20
FR2204859A FR3135748B1 (fr) 2022-05-20 2022-05-20 Ensemble propulsif pour un aeronef

Publications (2)

Publication Number Publication Date
FR3135748A1 FR3135748A1 (fr) 2023-11-24
FR3135748B1 true FR3135748B1 (fr) 2026-04-03

Family

ID=82319626

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2204859A Active FR3135748B1 (fr) 2022-05-20 2022-05-20 Ensemble propulsif pour un aeronef

Country Status (1)

Country Link
FR (1) FR3135748B1 (fr)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3008912B1 (fr) * 2013-07-29 2017-12-15 Snecma Carter de turbomachine et procede de fabrication
FR3021295B1 (fr) 2014-05-21 2016-05-13 Snecma Moyeu raidi pour helice non carenee a pales a calage variable de turbomachine.
FR3046409B1 (fr) 2016-01-05 2018-02-09 Safran Aircraft Engines Systeme de commande de l'orientation des pales de soufflante d'une turbomachine a pion de blocage de mise en drapeau
US10934866B2 (en) * 2017-06-20 2021-03-02 Rolls-Royce North American Technologies Inc. Variable pitch change control method
GB201817934D0 (en) * 2018-11-02 2018-12-19 Rolls Royce Plc Fan case
CN115885109B (zh) 2020-07-24 2026-02-27 赛峰飞机发动机公司 包括可变桨距螺旋桨轮叶的飞行器涡轮发动机
FR3112819B1 (fr) 2020-07-24 2024-02-16 Safran Aircraft Engines Turbomachine d’aeronef comportant des aubes d’helice a calage variable
US12491987B2 (en) 2020-07-24 2025-12-09 Safran Aircraft Engines Aircraft turbine engine comprising variable-pitch propeller vanes

Also Published As

Publication number Publication date
FR3135748A1 (fr) 2023-11-24

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