FR3087223B1 - Turbomachine a turbine contrarotative pour un aeronef - Google Patents
Turbomachine a turbine contrarotative pour un aeronef Download PDFInfo
- Publication number
- FR3087223B1 FR3087223B1 FR1859403A FR1859403A FR3087223B1 FR 3087223 B1 FR3087223 B1 FR 3087223B1 FR 1859403 A FR1859403 A FR 1859403A FR 1859403 A FR1859403 A FR 1859403A FR 3087223 B1 FR3087223 B1 FR 3087223B1
- Authority
- FR
- France
- Prior art keywords
- turbine
- turbomachine
- shaft
- rotor
- counter
- 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
Links
Classifications
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- 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
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- 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
- 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
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/06—Arrangements of bearings; Lubricating
-
- 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
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/36—Power transmission arrangements between the different shafts of the gas turbine plant, or between the gas-turbine plant and the power user
-
- 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
- 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
- F02K3/06—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 front fan
-
- 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
- F05D2250/70—Shape
- F05D2250/75—Shape given by its similarity to a letter, e.g. T-shaped
-
- 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
- F05D2260/40311—Transmission of power through the shape of the drive components as in toothed gearing of the epicyclical, planetary or differential type
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Retarders (AREA)
- General Details Of Gearings (AREA)
Abstract
Turbomachine (10) à turbine contrarotative pour un aéronef, la turbomachine comportant une turbine contrarotative (22) dont un premier rotor (22a) est configuré pour tourner dans un premier sens de rotation et est relié à un premier arbre de turbine (36), et un second rotor (22b) est configuré pour tourner dans un sens opposé de rotation et est relié à un second arbre de turbine (38), le premier rotor comportant des roues de turbine (36a) intercalées entre des roues de turbine (38a) du second rotor, la turbomachine comprenant en outre un réducteur mécanique (42) à train épicycloïdal qui comporte un solaire (44) entraîné en rotation par ledit second arbre, une couronne (40) entraînée en rotation par ledit premier arbre, et un porte-satellites (46) fixé à un carter de stator (28) de la turbomachine situé en aval de la turbine contrarotative par rapport à une direction d'écoulement des gaz dans la turbomachine, la turbomachine comprenant en outre un paliers (56) de guidage du second arbre par rapport au premier arbre, et un palier de guidage du second arbre par rapport audit carter de stator, caractérisée en ce que lesdits paliers sont tous situés en aval du bord de fuite de la dernière roue de turbine de la turbine contrarotative et en amont du réducteur.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1859403A FR3087223B1 (fr) | 2018-10-10 | 2018-10-10 | Turbomachine a turbine contrarotative pour un aeronef |
US16/596,609 US11352980B2 (en) | 2018-10-10 | 2019-10-08 | Turbine engine with a contra-rotating turbine for an aircraft |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1859403A FR3087223B1 (fr) | 2018-10-10 | 2018-10-10 | Turbomachine a turbine contrarotative pour un aeronef |
Publications (2)
Publication Number | Publication Date |
---|---|
FR3087223A1 FR3087223A1 (fr) | 2020-04-17 |
FR3087223B1 true FR3087223B1 (fr) | 2020-10-23 |
Family
ID=65244232
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1859403A Active FR3087223B1 (fr) | 2018-10-10 | 2018-10-10 | Turbomachine a turbine contrarotative pour un aeronef |
Country Status (2)
Country | Link |
---|---|
US (1) | US11352980B2 (fr) |
FR (1) | FR3087223B1 (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB201917773D0 (en) | 2019-12-05 | 2020-01-22 | Rolls Royce Plc | High power epicyclic gearbox and operation thereof |
GB201917765D0 (en) | 2019-12-05 | 2020-01-22 | Rolls Royce Plc | Aircraft engine |
GB201917774D0 (en) | 2019-12-05 | 2020-01-22 | Rolls Royce Plc | Gas turbine engine arrangement |
GB201917764D0 (en) | 2019-12-05 | 2020-01-22 | Rolls Royce Plc | Reliable gearbox for gas turbine engine |
US11661893B2 (en) * | 2020-11-09 | 2023-05-30 | Ge Avio S.R.L. | Systems and methods of servicing turbomachines |
CN112922904B (zh) * | 2021-03-03 | 2022-10-11 | 西华大学 | 基于中介机匣导流的压气机新型扩稳结构 |
CN112989500B (zh) * | 2021-04-23 | 2021-07-23 | 中国空气动力研究与发展中心高速空气动力研究所 | 一种适用于对转升力风扇的进口分流扩稳设计方法 |
US11492918B1 (en) | 2021-09-03 | 2022-11-08 | General Electric Company | Gas turbine engine with third stream |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3673802A (en) * | 1970-06-18 | 1972-07-04 | Gen Electric | Fan engine with counter rotating geared core booster |
GB0406174D0 (en) * | 2004-03-19 | 2004-04-21 | Rolls Royce Plc | Turbine engine arrangement |
US8015798B2 (en) * | 2007-12-13 | 2011-09-13 | United Technologies Corporation | Geared counter-rotating gas turbofan engine |
US8191352B2 (en) * | 2008-12-19 | 2012-06-05 | General Electric Company | Geared differential speed counter-rotatable low pressure turbine |
FR2962109B1 (fr) * | 2010-07-05 | 2013-04-12 | Snecma | Turbomoteur a helices non carenees |
FR3022300B1 (fr) * | 2014-06-11 | 2016-06-10 | Snecma | Dispositif de lubrification pour une turbomachine |
US9932902B2 (en) * | 2014-07-15 | 2018-04-03 | United Technologies Corporation | Turbine section support for a gas turbine engine |
US10823114B2 (en) * | 2017-02-08 | 2020-11-03 | General Electric Company | Counter rotating turbine with reversing reduction gearbox |
US10465606B2 (en) * | 2017-02-08 | 2019-11-05 | General Electric Company | Counter rotating turbine with reversing reduction gearbox |
US10663036B2 (en) * | 2017-06-13 | 2020-05-26 | General Electric Company | Gas turbine engine with rotating reversing compound gearbox |
US11105200B2 (en) * | 2017-07-13 | 2021-08-31 | General Electric Company | Counter rotating power turbine with reduction gearbox |
US10781717B2 (en) * | 2017-09-20 | 2020-09-22 | General Electric Company | Turbomachine with alternatingly spaced turbine rotor blades |
US11255221B2 (en) * | 2017-09-20 | 2022-02-22 | General Electric Company | Lube system for geared turbine section |
-
2018
- 2018-10-10 FR FR1859403A patent/FR3087223B1/fr active Active
-
2019
- 2019-10-08 US US16/596,609 patent/US11352980B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20200116104A1 (en) | 2020-04-16 |
FR3087223A1 (fr) | 2020-04-17 |
US11352980B2 (en) | 2022-06-07 |
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