FR3101103B1 - architecture améliorée de carter tournant de turbine contrarotative - Google Patents

architecture améliorée de carter tournant de turbine contrarotative Download PDF

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Publication number
FR3101103B1
FR3101103B1 FR1910512A FR1910512A FR3101103B1 FR 3101103 B1 FR3101103 B1 FR 3101103B1 FR 1910512 A FR1910512 A FR 1910512A FR 1910512 A FR1910512 A FR 1910512A FR 3101103 B1 FR3101103 B1 FR 3101103B1
Authority
FR
France
Prior art keywords
rotor
shaft
fixed
downstream
rotating 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
FR1910512A
Other languages
English (en)
Other versions
FR3101103A1 (fr
Inventor
François Gallet
Patrick Jean Laurent Sultana
Clément Charles Jérémy Coiffier
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 FR1910512A priority Critical patent/FR3101103B1/fr
Publication of FR3101103A1 publication Critical patent/FR3101103A1/fr
Application granted granted Critical
Publication of FR3101103B1 publication Critical patent/FR3101103B1/fr
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
    • 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
    • F01D5/03—Annular blade-carrying members having blades on the inner periphery of the annulus and extending inwardly radially, i.e. inverted rotors
    • 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
    • F01D5/3007—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type
    • 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
    • F01D5/3069—Fixing blades to rotors; Blade roots ; Blade spacers between two discs or rings
    • 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
    • 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
    • F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
    • F02C3/04—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor
    • F02C3/06—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor the compressor comprising only axial stages
    • F02C3/067—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor the compressor comprising only axial stages having counter-rotating rotors
    • 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
    • F01D1/00—Non-positive-displacement machines or engines, e.g. steam turbines
    • F01D1/24—Non-positive-displacement machines or engines, e.g. steam turbines characterised by counter-rotating rotors subjected to same working fluid stream without intermediate stator blades or the like
    • F01D1/26—Non-positive-displacement machines or engines, e.g. steam turbines characterised by counter-rotating rotors subjected to same working fluid stream without intermediate stator blades or the like traversed by the working-fluid substantially axially
    • 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
    • F05D2250/00—Geometry
    • F05D2250/20—Three-dimensional
    • F05D2250/26—Three-dimensional paraboloid
    • 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
    • F05D2250/00—Geometry
    • F05D2250/40—Movement of components
    • F05D2250/41—Movement of components with one degree of freedom
    • F05D2250/411—Movement of components with one degree of freedom in rotation
    • 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
    • F05D2260/36—Retaining components in desired mutual position by a form fit connection, e.g. by interlocking

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

Architecture améliorée de carter tournant de turbine contrarotative Turbine contrarotative (C) de turbomachine (10) s’étendant autour d’un axe de rotation (X) et comprenant un rotor interne ayant un tambour interne (50a) sur lequel est fixé une pluralité de roues mobiles internes (22) comprenant chacune des aubes mobiles internes et étant supportées en rotation par un premier arbre (26),un rotor externe ayant un tambour externe (50b) sur lequel est fixé une pluralité de roues mobiles externes (20) comprenant chacune des aubes mobiles internes et étant supportées en rotation par un deuxième arbre (24) coaxial au premier arbre (26), le rotor externe comprenant une roue mobile aval (60) ayant une pluralité d’aubes mobiles avals (61) s’étendant chacune entre une virole externe (62), fixée au tambour externe en aval de celui-ci, et une virole interne (63) fixée au deuxième arbre (24),au moins une des extrémités radiales des aubes mobiles avals (61) étant fixée à la virole interne (63) ou à la virole externe (62) au moyen d’une liaison articulée (70). Figure pour l’abrégé : Fig. 3.
FR1910512A 2019-09-24 2019-09-24 architecture améliorée de carter tournant de turbine contrarotative Active FR3101103B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1910512A FR3101103B1 (fr) 2019-09-24 2019-09-24 architecture améliorée de carter tournant de turbine contrarotative

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1910512 2019-09-24
FR1910512A FR3101103B1 (fr) 2019-09-24 2019-09-24 architecture améliorée de carter tournant de turbine contrarotative

Publications (2)

Publication Number Publication Date
FR3101103A1 FR3101103A1 (fr) 2021-03-26
FR3101103B1 true FR3101103B1 (fr) 2022-04-22

Family

ID=69172963

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1910512A Active FR3101103B1 (fr) 2019-09-24 2019-09-24 architecture améliorée de carter tournant de turbine contrarotative

Country Status (1)

Country Link
FR (1) FR3101103B1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2724621A (en) * 1953-05-26 1955-11-22 Westinghouse Electric Corp Bearing support structure
DE1235072B (de) * 1963-03-07 1967-02-23 Daimler Benz Ag Nachgiebige Lagergehaeuseaufhaengung an der Aussenwand eines Gasturbinentriebwerks
US5443590A (en) * 1993-06-18 1995-08-22 General Electric Company Rotatable turbine frame

Also Published As

Publication number Publication date
FR3101103A1 (fr) 2021-03-26

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