FR3085406B1 - Dispositif de limitation de survitesse - Google Patents

Dispositif de limitation de survitesse Download PDF

Info

Publication number
FR3085406B1
FR3085406B1 FR1857975A FR1857975A FR3085406B1 FR 3085406 B1 FR3085406 B1 FR 3085406B1 FR 1857975 A FR1857975 A FR 1857975A FR 1857975 A FR1857975 A FR 1857975A FR 3085406 B1 FR3085406 B1 FR 3085406B1
Authority
FR
France
Prior art keywords
blade
longitudinal axis
overspeed
limitation device
turbine
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
FR1857975A
Other languages
English (en)
Other versions
FR3085406A1 (fr
Inventor
Cyrille Telman
Mathieu Charles Jean Verdiere
Simon Jose Pierre Amoedo
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 FR1857975A priority Critical patent/FR3085406B1/fr
Publication of FR3085406A1 publication Critical patent/FR3085406A1/fr
Application granted granted Critical
Publication of FR3085406B1 publication Critical patent/FR3085406B1/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
    • F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
    • F01D21/02—Shutting-down responsive to overspeed
    • 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
    • F01D9/00—Stators
    • F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
    • F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
    • F01D9/041—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector using blades
    • 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
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/32—Application in turbines in gas turbines
    • 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
    • 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
    • F05D2260/33—Retaining components in desired mutual position with a bayonet coupling
    • 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
    • F05D2270/00—Control
    • F05D2270/01—Purpose of the control system
    • F05D2270/02—Purpose of the control system to control rotational speed (n)
    • F05D2270/021—Purpose of the control system to control rotational speed (n) to prevent overspeed
    • 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
    • F05D2270/00—Control
    • F05D2270/30—Control parameters, e.g. input parameters
    • F05D2270/304—Spool rotational speed
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Turbines (AREA)

Abstract

L'invention porte sur un dispositif de limitation de survitesse (4) pour turbine d'une turbomachine, ladite turbine s'étendant autour d'un axe longitudinal (X-X) et comprenant au moins une aube (22), ladite aube comprenant une pale (24) s'étendant selon une direction radiale (Y-Y) par rapport à l'axe longitudinal (X-X), le dispositif de limitation de survitesse (4) comprenant un mécanisme passif de changement de pas (40) configuré pour modifier une orientation de la pale (24) par rapport à l'axe longitudinal (X-X) lorsqu'une vitesse de rotation de l'aube (22) autour de l'axe longitudinal (X-X) dépasse un seuil prédéterminé correspondant à une survitesse de ladite turbine.
FR1857975A 2018-09-05 2018-09-05 Dispositif de limitation de survitesse Active FR3085406B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1857975A FR3085406B1 (fr) 2018-09-05 2018-09-05 Dispositif de limitation de survitesse

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1857975A FR3085406B1 (fr) 2018-09-05 2018-09-05 Dispositif de limitation de survitesse
FR1857975 2018-09-05

Publications (2)

Publication Number Publication Date
FR3085406A1 FR3085406A1 (fr) 2020-03-06
FR3085406B1 true FR3085406B1 (fr) 2020-08-07

Family

ID=63963229

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1857975A Active FR3085406B1 (fr) 2018-09-05 2018-09-05 Dispositif de limitation de survitesse

Country Status (1)

Country Link
FR (1) FR3085406B1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2128686B (en) * 1982-10-06 1986-04-16 Rolls Royce Turbine overspeed limiter
US9200594B2 (en) * 2009-02-27 2015-12-01 Snecma Gas turbine engine having fan blades of adjustable pitch with cyclic setting
FR3050433B1 (fr) * 2016-04-20 2020-08-28 Snecma Systeme simplifie d'actionnement de pas pour une helice de turbomachine

Also Published As

Publication number Publication date
FR3085406A1 (fr) 2020-03-06

Similar Documents

Publication Publication Date Title
MA35897B1 (fr) Rotor d'éolienne
FR3082230B1 (fr) Moteur d'aeronef a rotor non carene avec adaptation des aubes de stator
FR3019237B1 (fr) Rotor de type savonius
PL413811A1 (pl) Układ i sposób regulacji skoku śmigła
FR3029960B1 (fr) Roue a aubes avec joint radial pour une turbine de turbomachine
WO2007090731A3 (fr) Appareil directeur, et élément d'amortissement pour un appareil directeur
FR3085406B1 (fr) Dispositif de limitation de survitesse
FR3049646B1 (fr) Dispositif de limitation de survitesse d'un rotor de turbine de turbomachine
BR112014000720A2 (pt) dispositivo regulador de taxa de fluxo hidráulico
FR3020096B1 (fr) Eolienne adaptative
MA55810B1 (fr) Élément de combinaison de clé magnétique rotative
FR3076872B1 (fr) Vérin hydraulique doté d'un dispositif de protection ventilé sur une tige de piston
FR3046438B1 (fr) Soufflante a calage variable a faible pas d'une turbomachine
FR3080646B1 (fr) Etancheite entre une roue fixe et une roue mobile d'une turbomachine
FR3111325B1 (fr) Ensemble propulsif a helice a pales repliables et procede de repliement des pales
FR3046442B1 (fr) Arbre d'entrainement d'aeropompe reglee
FR3060048B1 (fr) Machine de forage comprenant une tariere et un dispositif de nettoyage de la tariere
FR3050483B1 (fr) Turbine pour conduite avec limitation de vitesse
FR3085993B1 (fr) Aube mobile pour une roue d'une turbomachine
FR3090571B1 (fr) Systeme de propulsion ou de positionnement dynamique cycloidal pour un navire
FR3108659B1 (fr) Rotor de turbine comprenant un dispositif de régulation du débit de fluide de refroidissement et turbomachine comprenant un tel rotor
FR3041714B1 (fr) Compresseur de turbomachine, en particulier de turbopropulseur ou de turboreacteur d'avion
FR3079580B1 (fr) Dispositif d'amortissement de torsion avec siege de ressorts a guidage axial
FR3109120B1 (fr) Ensemble d’aménagement intérieur de véhicule avec dispositif de verrouillage
FR3093533B1 (fr) dispositif d’amortissement pour rotor de turbomachine

Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 2

PLSC Publication of the preliminary search report

Effective date: 20200306

PLFP Fee payment

Year of fee payment: 3

PLFP Fee payment

Year of fee payment: 4

PLFP Fee payment

Year of fee payment: 5

PLFP Fee payment

Year of fee payment: 6

PLFP Fee payment

Year of fee payment: 7