FR2970746B1 - Turbomachine a turbines haute pression et basse pression imbriquees - Google Patents

Turbomachine a turbines haute pression et basse pression imbriquees

Info

Publication number
FR2970746B1
FR2970746B1 FR1150466A FR1150466A FR2970746B1 FR 2970746 B1 FR2970746 B1 FR 2970746B1 FR 1150466 A FR1150466 A FR 1150466A FR 1150466 A FR1150466 A FR 1150466A FR 2970746 B1 FR2970746 B1 FR 2970746B1
Authority
FR
France
Prior art keywords
imbrique
turbine machine
high pressure
low pressure
turbines
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
FR1150466A
Other languages
English (en)
Other versions
FR2970746A1 (fr
Inventor
Bengue Lamine M
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 FR1150466A priority Critical patent/FR2970746B1/fr
Publication of FR2970746A1 publication Critical patent/FR2970746A1/fr
Application granted granted Critical
Publication of FR2970746B1 publication Critical patent/FR2970746B1/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
    • F02C3/06—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
    • 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

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)
FR1150466A 2011-01-20 2011-01-20 Turbomachine a turbines haute pression et basse pression imbriquees Active FR2970746B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1150466A FR2970746B1 (fr) 2011-01-20 2011-01-20 Turbomachine a turbines haute pression et basse pression imbriquees

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1150466A FR2970746B1 (fr) 2011-01-20 2011-01-20 Turbomachine a turbines haute pression et basse pression imbriquees

Publications (2)

Publication Number Publication Date
FR2970746A1 FR2970746A1 (fr) 2012-07-27
FR2970746B1 true FR2970746B1 (fr) 2015-12-04

Family

ID=44548896

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1150466A Active FR2970746B1 (fr) 2011-01-20 2011-01-20 Turbomachine a turbines haute pression et basse pression imbriquees

Country Status (1)

Country Link
FR (1) FR2970746B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10655537B2 (en) * 2017-01-23 2020-05-19 General Electric Company Interdigitated counter rotating turbine system and method of operation

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3903690A (en) * 1973-02-12 1975-09-09 Gen Electric Turbofan engine lubrication means
US4159624A (en) * 1978-02-06 1979-07-03 Gruner George P Contra-rotating rotors with differential gearing
FR2506840A1 (fr) * 1981-05-29 1982-12-03 Onera (Off Nat Aerospatiale) Turboreacteur a roues contra-rotatives
GB2207191B (en) * 1987-07-06 1992-03-04 Gen Electric Gas turbine engine
US8191352B2 (en) * 2008-12-19 2012-06-05 General Electric Company Geared differential speed counter-rotatable low pressure turbine
FR2942273B1 (fr) * 2009-02-18 2011-06-10 Snecma Moteur double flux a roues de turbine contrarotatives

Also Published As

Publication number Publication date
FR2970746A1 (fr) 2012-07-27

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