FR3109401B1 - AIRCRAFT TURBOMACHINE EQUIPPED WITH FUSE SCREWS - Google Patents

AIRCRAFT TURBOMACHINE EQUIPPED WITH FUSE SCREWS Download PDF

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Publication number
FR3109401B1
FR3109401B1 FR2003834A FR2003834A FR3109401B1 FR 3109401 B1 FR3109401 B1 FR 3109401B1 FR 2003834 A FR2003834 A FR 2003834A FR 2003834 A FR2003834 A FR 2003834A FR 3109401 B1 FR3109401 B1 FR 3109401B1
Authority
FR
France
Prior art keywords
screws
aircraft turbomachine
shaft
turbomachine equipped
trunnion
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
FR2003834A
Other languages
French (fr)
Other versions
FR3109401A1 (en
Inventor
Mickaël Alexandre Moreiras
Florian Garnier
Quentin Cochard
Adrien Cabut
Romuald Gentils
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 FR2003834A priority Critical patent/FR3109401B1/en
Publication of FR3109401A1 publication Critical patent/FR3109401A1/en
Application granted granted Critical
Publication of FR3109401B1 publication Critical patent/FR3109401B1/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
    • F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
    • F01D21/04—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for responsive to undesired position of rotor relative to stator or to breaking-off of a part of the rotor, e.g. indicating such position
    • F01D21/045—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for responsive to undesired position of rotor relative to stator or to breaking-off of a part of the rotor, e.g. indicating such position special arrangements in stators or in rotors dealing with breaking-off of part of rotor
    • 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
    • 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
    • F01D25/30—Exhaust heads, chambers, or the like
    • 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
    • F05D2240/60—Shafts
    • 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
    • F05D2260/311—Retaining bolts or nuts of the frangible or shear type
    • 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

Abstract

Turbomachine (1) d’aéronef, comportant une soufflante (2) reliée par un arbre (10) à un rotor (13) d’une turbine (7), le rotor (13) de la turbine (7) comportant des roues aubagées (14) reliées entre elles et à un tourillon (17) solidaire en rotation dudit arbre (10), les roues aubagées (14) étant reliées au tourillon (17) par un organe de liaison (18) qui est fixé par des vis (19) au tourillon (17), ces vis (19) s’étendant sensiblement parallèlement à un axe de rotation de l’arbre (10), caractérisée en ce qu’au moins une desdites vis (19) est fusible et configurée pour se rompre lorsqu’elle est soumise à un effort de cisaillement supérieur à un seuil prédéterminé. Figure d’abrégé : Figure 2Aircraft turbomachine (1), comprising a fan (2) connected by a shaft (10) to a rotor (13) of a turbine (7), the rotor (13) of the turbine (7) comprising bladed wheels (14) connected to one another and to a trunnion (17) integral in rotation with said shaft (10), the bladed wheels (14) being connected to the trunnion (17) by a connecting member (18) which is fixed by screws ( 19) to the journal (17), these screws (19) extending substantially parallel to an axis of rotation of the shaft (10), characterized in that at least one of the said screws (19) is fusible and configured to break when subjected to a shear force greater than a predetermined threshold. Abstract Figure: Figure 2

FR2003834A 2020-04-16 2020-04-16 AIRCRAFT TURBOMACHINE EQUIPPED WITH FUSE SCREWS Active FR3109401B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR2003834A FR3109401B1 (en) 2020-04-16 2020-04-16 AIRCRAFT TURBOMACHINE EQUIPPED WITH FUSE SCREWS

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2003834A FR3109401B1 (en) 2020-04-16 2020-04-16 AIRCRAFT TURBOMACHINE EQUIPPED WITH FUSE SCREWS
FR2003834 2020-04-16

Publications (2)

Publication Number Publication Date
FR3109401A1 FR3109401A1 (en) 2021-10-22
FR3109401B1 true FR3109401B1 (en) 2022-03-18

Family

ID=71111604

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2003834A Active FR3109401B1 (en) 2020-04-16 2020-04-16 AIRCRAFT TURBOMACHINE EQUIPPED WITH FUSE SCREWS

Country Status (1)

Country Link
FR (1) FR3109401B1 (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2845126B1 (en) 2002-09-26 2004-12-03 Snecma Moteurs TRACTION COUPLER DEVICE
FR2889981B1 (en) * 2005-08-26 2007-11-02 Snecma DEVICE FOR HEATING A CYLINDRICAL PIECE, USE IN THE ASSEMBLY OF AN INTER-TREE BEARING IN A TURBOMACHINE.
FR2925122B1 (en) * 2007-12-14 2015-09-04 Snecma DEVICE FOR DECOUPLING A BEARING SUPPORT
FR2944558B1 (en) * 2009-04-17 2014-05-02 Snecma DOUBLE BODY GAS TURBINE ENGINE PROVIDED WITH SUPPLEMENTARY BP TURBINE BEARING.
CA2895157A1 (en) * 2012-12-14 2014-06-19 General Electric Company Pressure fed oil drain for gas turbine engine sump
FR3040737B1 (en) * 2015-09-04 2017-09-22 Snecma PROPULSIVE ASSEMBLY WITH DISMANTLING CASTER PARTS
US10738646B2 (en) * 2017-06-12 2020-08-11 Raytheon Technologies Corporation Geared turbine engine with gear driving low pressure compressor and fan at common speed, and failsafe overspeed protection and shear section

Also Published As

Publication number Publication date
FR3109401A1 (en) 2021-10-22

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