FR2942273B1 - Moteur double flux a roues de turbine contrarotatives - Google Patents

Moteur double flux a roues de turbine contrarotatives

Info

Publication number
FR2942273B1
FR2942273B1 FR0951061A FR0951061A FR2942273B1 FR 2942273 B1 FR2942273 B1 FR 2942273B1 FR 0951061 A FR0951061 A FR 0951061A FR 0951061 A FR0951061 A FR 0951061A FR 2942273 B1 FR2942273 B1 FR 2942273B1
Authority
FR
France
Prior art keywords
contrarotative
double flow
turbine wheels
flow motor
motor
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
FR0951061A
Other languages
English (en)
Other versions
FR2942273A1 (fr
Inventor
Francois Gallet
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
SNECMA 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 SNECMA SAS filed Critical SNECMA SAS
Priority to FR0951061A priority Critical patent/FR2942273B1/fr
Priority to US12/707,145 priority patent/US8667777B2/en
Publication of FR2942273A1 publication Critical patent/FR2942273A1/fr
Application granted granted Critical
Publication of FR2942273B1 publication Critical patent/FR2942273B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • F02C3/107—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor with two or more rotors connected by power transmission
    • 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
    • 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
    • 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
    • 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
    • F02K3/072—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 counter-rotating, e.g. fan rotors
    • 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
    • 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)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR0951061A 2009-02-18 2009-02-18 Moteur double flux a roues de turbine contrarotatives Active FR2942273B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0951061A FR2942273B1 (fr) 2009-02-18 2009-02-18 Moteur double flux a roues de turbine contrarotatives
US12/707,145 US8667777B2 (en) 2009-02-18 2010-02-17 Bypass engine with contrarotating turbine wheels including a reversing module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0951061A FR2942273B1 (fr) 2009-02-18 2009-02-18 Moteur double flux a roues de turbine contrarotatives

Publications (2)

Publication Number Publication Date
FR2942273A1 FR2942273A1 (fr) 2010-08-20
FR2942273B1 true FR2942273B1 (fr) 2011-06-10

Family

ID=41100546

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0951061A Active FR2942273B1 (fr) 2009-02-18 2009-02-18 Moteur double flux a roues de turbine contrarotatives

Country Status (2)

Country Link
US (1) US8667777B2 (fr)
FR (1) FR2942273B1 (fr)

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FR2970746B1 (fr) * 2011-01-20 2015-12-04 Snecma Turbomachine a turbines haute pression et basse pression imbriquees
US9938898B2 (en) 2011-07-29 2018-04-10 United Technologies Corporation Geared turbofan bearing arrangement
US9506402B2 (en) * 2011-07-29 2016-11-29 United Technologies Corporation Three spool engine bearing configuration
US10724431B2 (en) 2012-01-31 2020-07-28 Raytheon Technologies Corporation Buffer system that communicates buffer supply air to one or more portions of a gas turbine engine
US9353754B2 (en) * 2012-03-13 2016-05-31 Embry-Riddle Aeronautical University, Inc. Multi-stage axial compressor with counter-rotation using accessory drive
US20130247539A1 (en) * 2012-03-26 2013-09-26 Richard John Hoppe Multi-shaft power extraction from gas turbine engine
US20130259650A1 (en) * 2012-04-02 2013-10-03 Frederick M. Schwarz Geared turbofan with three turbines with first two co-rotating and third rotating in an opposed direction
CA2898464C (fr) * 2013-01-18 2017-10-10 Craig Miller Kuhne Architecture de moteur dotee d'un entrainement integre a rotation inverse et d'une turbine sans aube
WO2014151176A1 (fr) * 2013-03-15 2014-09-25 United Technologies Corporation Agencement de paliers de moteur à double flux
US10190496B2 (en) * 2013-03-15 2019-01-29 United Technologies Corporation Turbofan engine bearing and gearbox arrangement
US10094278B2 (en) 2013-06-03 2018-10-09 United Technologies Corporation Turbofan engine bearing and gearbox arrangement
EP3108113A4 (fr) * 2014-02-19 2017-03-15 United Technologies Corporation Profil aérodynamique de turbine à gaz
WO2017041197A1 (fr) * 2015-09-09 2017-03-16 苏犁 Combinaison de turbine du type à transmission à multiples douilles et à ventilateur à roue de rotation bidirectionnelle et de compresseur de gaz du type à ventilateur à roue à douille
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FR3087226B1 (fr) 2018-10-10 2020-10-23 Safran Aircraft Engines Turbomachine d'aeronef a reducteur mecanique et a turbine contrarotative
FR3087224B1 (fr) 2018-10-10 2021-05-21 Safran Aircraft Engines Systeme de fixation d'un arbre d'une turbine contrarotative pour une turbomachine d'aeronef
FR3088966B1 (fr) * 2018-11-27 2020-11-06 Safran Aircraft Engines Agencement de turboréacteur double flux à réducteur épicycloïdal ou planétaire
US11204037B2 (en) 2018-12-21 2021-12-21 Rolls-Royce Plc Turbine engine
GB201820925D0 (en) * 2018-12-21 2019-02-06 Rolls Royce Plc Turbine engine
GB201820924D0 (en) 2018-12-21 2019-02-06 Rolls Royce Plc Turbine engine
US11118506B2 (en) * 2018-12-21 2021-09-14 General Electric Company Gear assembly for a turbo machine
FR3093536B1 (fr) 2019-03-08 2021-02-19 Safran Aircraft Engines Rotor pour une turbine contrarotative de turbomachine
FR3093541B1 (fr) 2019-03-08 2021-07-16 Safran Aircraft Engines Turbine à gaz pour aéronef à double rotor
IT201900003991A1 (it) * 2019-03-19 2020-09-19 Ge Avio Srl Trasmissione per una turbomacchina avente palette di rotore distanziate in modo alternato
IT202000000652A1 (it) * 2020-01-15 2021-07-15 Ge Avio Srl Turbomacchina e gruppo ingranaggi
FR3111377B1 (fr) * 2020-06-10 2022-07-15 Safran Aircraft Engines Architecture améliorée de turbomachine à turbine contrarotative
US11428160B2 (en) 2020-12-31 2022-08-30 General Electric Company Gas turbine engine with interdigitated turbine and gear assembly
FR3127022A1 (fr) 2021-09-15 2023-03-17 Safran Aircraft Engines Aube comprenant des becquets rapportés

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Also Published As

Publication number Publication date
US20100205934A1 (en) 2010-08-19
US8667777B2 (en) 2014-03-11
FR2942273A1 (fr) 2010-08-20

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