FR2217545A1 - - Google Patents
Info
- Publication number
- FR2217545A1 FR2217545A1 FR7404678A FR7404678A FR2217545A1 FR 2217545 A1 FR2217545 A1 FR 2217545A1 FR 7404678 A FR7404678 A FR 7404678A FR 7404678 A FR7404678 A FR 7404678A FR 2217545 A1 FR2217545 A1 FR 2217545A1
- Authority
- FR
- France
- 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.)
- Withdrawn
Links
Classifications
-
- 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
- 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
-
- 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)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US331806A US3861139A (en) | 1973-02-12 | 1973-02-12 | Turbofan engine having counterrotating compressor and turbine elements and unique fan disposition |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2217545A1 true FR2217545A1 (fr) | 1974-09-06 |
Family
ID=23295455
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7404678A Withdrawn FR2217545A1 (fr) | 1973-02-12 | 1974-02-12 |
Country Status (8)
Country | Link |
---|---|
US (1) | US3861139A (fr) |
JP (1) | JPS49112013A (fr) |
BE (1) | BE810901A (fr) |
BR (1) | BR7400857A (fr) |
DE (1) | DE2406303A1 (fr) |
FR (1) | FR2217545A1 (fr) |
GB (1) | GB1463722A (fr) |
IT (1) | IT1006332B (fr) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2535394A1 (fr) * | 1982-11-01 | 1984-05-04 | Gen Electric | Turbine de travail a contre-rotation |
FR2603344A1 (fr) * | 1986-08-29 | 1988-03-04 | Gen Electric | Turboreacteur a double flux contrarotatif a taux de dilution eleve |
FR2617907A1 (fr) * | 1987-07-06 | 1989-01-13 | Gen Electric | Moteur a turbine a gaz |
FR2652387A1 (fr) * | 1989-09-27 | 1991-03-29 | Snecma | Moteur de propulsion a soufflantes contrarotatives. |
FR2660371A1 (fr) * | 1990-04-03 | 1991-10-04 | Gen Electric | Arrangement d'etancheite inter-etage pour des etages d'aubages de rotors tournant a contrarotation dans un moteur a turbine. |
BE1022364B1 (fr) * | 2014-10-27 | 2016-03-17 | Techspace Aero S.A. | Compresseur de turbomachine axiale avec double rotors contrarotatifs |
EP3006713A1 (fr) * | 2014-10-09 | 2016-04-13 | Techspace Aero S.A. | Compresseur de turbomachine axiale avec rotor contrarotatif |
EP2540989A3 (fr) * | 2011-06-28 | 2016-06-15 | United Technologies Corporation | Moteur à turbine à cycle variable |
Families Citing this family (84)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1484898A (en) * | 1974-09-11 | 1977-09-08 | Rolls Royce | Ducted fan gas turbine engine |
GB2046843B (en) * | 1979-04-17 | 1983-01-26 | Rolls Royce | Gas turbine engines-de-icing-icing |
FR2506840A1 (fr) * | 1981-05-29 | 1982-12-03 | Onera (Off Nat Aerospatiale) | Turboreacteur a roues contra-rotatives |
US4621978A (en) * | 1984-12-03 | 1986-11-11 | General Electric Company | Counterrotating power turbine |
GB2168755B (en) * | 1984-12-08 | 1988-05-05 | Rolls Royce | Improvements in or relating to gas turbine engines |
CA1262409A (fr) * | 1985-05-01 | 1989-10-24 | Kenneth Odell Johnson | Turbomoteur a contre-rotation |
US4758129A (en) * | 1985-05-31 | 1988-07-19 | General Electric Company | Power frame |
US4860537A (en) * | 1986-08-29 | 1989-08-29 | Brandt, Inc. | High bypass ratio counterrotating gearless front fan engine |
US4790133A (en) * | 1986-08-29 | 1988-12-13 | General Electric Company | High bypass ratio counterrotating turbofan engine |
GB2194593B (en) * | 1986-08-29 | 1991-05-15 | Gen Electric | High bypass ratio, counter rotating gearless front fan engine |
GB2195712B (en) * | 1986-10-08 | 1990-08-29 | Rolls Royce Plc | A turbofan gas turbine engine |
GB8630754D0 (en) * | 1986-12-23 | 1987-02-04 | Rolls Royce Plc | Turbofan gas turbine engine |
US4744214A (en) * | 1987-06-29 | 1988-05-17 | United Technologies Corporation | Engine modularity |
US4969326A (en) * | 1988-08-15 | 1990-11-13 | General Electric Company | Hoop shroud for the low pressure stage of a compressor |
DE4122008A1 (de) * | 1991-07-03 | 1993-01-14 | Mtu Muenchen Gmbh | Propfantriebwerk mit gegenlaeufigem niederdruckverdichter (booster) |
US5219672A (en) * | 1991-08-12 | 1993-06-15 | Tacticon Corporation | Metal/air battery cell and assembly therefor |
US5183222A (en) * | 1991-08-12 | 1993-02-02 | Tacticon Corp. | Electric powered tip-driven fan with metal/air battery assembly therefor |
US5272868A (en) * | 1993-04-05 | 1993-12-28 | General Electric Company | Gas turbine engine lubrication system |
US5307622A (en) * | 1993-08-02 | 1994-05-03 | General Electric Company | Counterrotating turbine support assembly |
US6209311B1 (en) * | 1998-04-13 | 2001-04-03 | Nikkiso Company, Ltd. | Turbofan engine including fans with reduced speed |
EP1199445A1 (fr) * | 2000-10-17 | 2002-04-24 | Siemens Aktiengesellschaft | Appareil et méthode pour préchauffer le carburant dans des centrales combinées avec turbines à gaz et à vapeur |
US6895741B2 (en) * | 2003-06-23 | 2005-05-24 | Pratt & Whitney Canada Corp. | Differential geared turbine engine with torque modulation capability |
FR2866074B1 (fr) * | 2004-02-11 | 2006-04-28 | Snecma Moteurs | Architecture d'un turboreacteur ayant une double soufflante a l'avant |
FR2872485B1 (fr) * | 2004-07-05 | 2006-09-15 | Snecma Moteurs Sa | Raidisseur pour compresseur basse pression d'un moteur d'aeronef |
US7195446B2 (en) * | 2004-10-29 | 2007-03-27 | General Electric Company | Counter-rotating turbine engine and method of assembling same |
US7409819B2 (en) * | 2004-10-29 | 2008-08-12 | General Electric Company | Gas turbine engine and method of assembling same |
US20070138886A1 (en) * | 2005-10-25 | 2007-06-21 | Massachusetts Institute Of Technology | Converting Rotational Motion into Radial Motion |
US7905083B2 (en) * | 2006-10-31 | 2011-03-15 | General Electric Company | Turbofan engine assembly and method of assembling same |
US7926259B2 (en) * | 2006-10-31 | 2011-04-19 | General Electric Company | Turbofan engine assembly and method of assembling same |
US7921634B2 (en) * | 2006-10-31 | 2011-04-12 | General Electric Company | Turbofan engine assembly and method of assembling same |
US7966806B2 (en) * | 2006-10-31 | 2011-06-28 | General Electric Company | Turbofan engine assembly and method of assembling same |
US7882693B2 (en) * | 2006-11-29 | 2011-02-08 | General Electric Company | Turbofan engine assembly and method of assembling same |
US7765789B2 (en) * | 2006-12-15 | 2010-08-03 | General Electric Company | Apparatus and method for assembling gas turbine engines |
US8161728B2 (en) * | 2007-06-28 | 2012-04-24 | United Technologies Corp. | Gas turbines with multiple gas flow paths |
US8104265B2 (en) * | 2007-06-28 | 2012-01-31 | United Technologies Corporation | Gas turbines with multiple gas flow paths |
US9359960B2 (en) * | 2007-06-28 | 2016-06-07 | United Technologies Corporation | Gas turbines with multiple gas flow paths |
US8590286B2 (en) * | 2007-12-05 | 2013-11-26 | United Technologies Corp. | Gas turbine engine systems involving tip fans |
US8402742B2 (en) | 2007-12-05 | 2013-03-26 | United Technologies Corporation | Gas turbine engine systems involving tip fans |
GB0809759D0 (en) * | 2008-05-30 | 2008-07-09 | Rolls Royce Plc | Gas turbine engine |
US20140174056A1 (en) | 2008-06-02 | 2014-06-26 | United Technologies Corporation | Gas turbine engine with low stage count low pressure turbine |
US8128021B2 (en) | 2008-06-02 | 2012-03-06 | United Technologies Corporation | Engine mount system for a turbofan gas turbine engine |
US8887485B2 (en) * | 2008-10-20 | 2014-11-18 | Rolls-Royce North American Technologies, Inc. | Three spool gas turbine engine having a clutch and compressor bypass |
US20100192595A1 (en) | 2009-01-30 | 2010-08-05 | Robert Joseph Orlando | Gas turbine engine assembly and methods of assembling same |
US20120023899A1 (en) * | 2009-02-06 | 2012-02-02 | Shoji Yasuda | Turbofan engine |
US9239012B2 (en) | 2011-06-08 | 2016-01-19 | United Technologies Corporation | Flexible support structure for a geared architecture gas turbine engine |
US9631558B2 (en) | 2012-01-03 | 2017-04-25 | United Technologies Corporation | Geared architecture for high speed and small volume fan drive turbine |
US9938898B2 (en) | 2011-07-29 | 2018-04-10 | United Technologies Corporation | Geared turbofan bearing arrangement |
US8887487B2 (en) * | 2012-01-31 | 2014-11-18 | United Technologies Corporation | Geared turbofan gas turbine engine architecture |
US9222417B2 (en) | 2012-01-31 | 2015-12-29 | United Technologies Corporation | Geared turbofan gas turbine engine architecture |
US20150345426A1 (en) | 2012-01-31 | 2015-12-03 | United Technologies Corporation | Geared turbofan gas turbine engine architecture |
US8935913B2 (en) | 2012-01-31 | 2015-01-20 | United Technologies Corporation | Geared turbofan gas turbine engine architecture |
US20150192070A1 (en) | 2012-01-31 | 2015-07-09 | United Technologies Corporation | Geared turbofan gas turbine engine architecture |
US20130192191A1 (en) | 2012-01-31 | 2013-08-01 | Frederick M. Schwarz | Gas turbine engine with high speed low pressure turbine section and bearing support features |
US10240526B2 (en) | 2012-01-31 | 2019-03-26 | United Technologies Corporation | Gas turbine engine with high speed low pressure turbine section |
US10287914B2 (en) | 2012-01-31 | 2019-05-14 | United Technologies Corporation | Gas turbine engine with high speed low pressure turbine section and bearing support features |
US9353754B2 (en) * | 2012-03-13 | 2016-05-31 | Embry-Riddle Aeronautical University, Inc. | Multi-stage axial compressor with counter-rotation using accessory drive |
US10138809B2 (en) | 2012-04-02 | 2018-11-27 | United Technologies Corporation | Geared turbofan engine with a high ratio of thrust to turbine volume |
US10125693B2 (en) | 2012-04-02 | 2018-11-13 | United Technologies Corporation | Geared turbofan engine with power density range |
US9074485B2 (en) | 2012-04-25 | 2015-07-07 | United Technologies Corporation | Geared turbofan with three turbines all counter-rotating |
US8756908B2 (en) | 2012-05-31 | 2014-06-24 | United Technologies Corporation | Fundamental gear system architecture |
US20150308351A1 (en) | 2012-05-31 | 2015-10-29 | United Technologies Corporation | Fundamental gear system architecture |
US8572943B1 (en) | 2012-05-31 | 2013-11-05 | United Technologies Corporation | Fundamental gear system architecture |
GB201212384D0 (en) * | 2012-07-12 | 2012-08-22 | Rolls Royce Plc | A gas turbine engine |
EP2946103A1 (fr) | 2013-01-18 | 2015-11-25 | General Electric Company | Architecture de moteur dotée d'un entraînement intégré à rotation inverse et d'une turbine sans aube |
US9624827B2 (en) | 2013-03-15 | 2017-04-18 | United Technologies Corporation | Thrust efficient turbofan engine |
US10724479B2 (en) | 2013-03-15 | 2020-07-28 | United Technologies Corporation | Thrust efficient turbofan engine |
US10094278B2 (en) * | 2013-06-03 | 2018-10-09 | United Technologies Corporation | Turbofan engine bearing and gearbox arrangement |
US10612462B2 (en) * | 2013-12-12 | 2020-04-07 | United Technologies Corporation | Turbomachinery with high relative velocity |
US20160047304A1 (en) * | 2013-12-19 | 2016-02-18 | United Technologies Corporation | Ultra high overall pressure ratio gas turbine engine |
FR3022300B1 (fr) * | 2014-06-11 | 2016-06-10 | Snecma | Dispositif de lubrification pour une turbomachine |
US10221771B2 (en) | 2014-09-24 | 2019-03-05 | United Technologies Corporation | Fan drive gear system |
FR3046202B1 (fr) * | 2015-12-24 | 2017-12-29 | Snecma | Turboreacteur avec un moyen de reprise de poussee sur le carter inter-compresseurs |
GB201705732D0 (en) * | 2017-04-10 | 2017-05-24 | Rolls Royce Plc | Acoustic attenuation in gas turbine engines |
US11255221B2 (en) * | 2017-09-20 | 2022-02-22 | General Electric Company | Lube system for geared turbine section |
US10458267B2 (en) * | 2017-09-20 | 2019-10-29 | General Electric Company | Seal assembly for counter rotating turbine assembly |
US10914194B2 (en) * | 2017-09-20 | 2021-02-09 | General Electric Company | Turbomachine with alternatingly spaced turbine rotor blades |
US10711629B2 (en) | 2017-09-20 | 2020-07-14 | Generl Electric Company | Method of clearance control for an interdigitated turbine engine |
GB201814869D0 (en) | 2018-09-03 | 2018-10-31 | Rolls Royce Plc | Aircraft Propulsion System |
GB201814256D0 (en) * | 2018-09-03 | 2018-10-17 | Rolls Royce Plc | Aircraft propulsion system |
GB201814255D0 (en) | 2018-09-03 | 2018-10-17 | Rolls Royce Plc | Aircraft propulsion system |
US11118535B2 (en) | 2019-03-05 | 2021-09-14 | General Electric Company | Reversing gear assembly for a turbo machine |
IT202000000652A1 (it) | 2020-01-15 | 2021-07-15 | Ge Avio Srl | Turbomacchina e gruppo ingranaggi |
US11428160B2 (en) | 2020-12-31 | 2022-08-30 | General Electric Company | Gas turbine engine with interdigitated turbine and gear assembly |
IT202100018032A1 (it) | 2021-07-08 | 2023-01-08 | Ge Avio Srl | Turbina a gas |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2505660A (en) * | 1950-04-25 | Augmentor fob jet propulsion hav | ||
US2360130A (en) * | 1941-03-26 | 1944-10-10 | Armstrong Siddeley Motors Ltd | High-speed propulsion plant |
NL69078C (fr) * | 1944-01-31 | |||
FR1455278A (fr) * | 1965-08-05 | 1966-04-01 | Snecma | Turboréacteur à double flux |
US3385064A (en) * | 1966-01-07 | 1968-05-28 | Rolls Royce | Gas turbine engine |
US3528246A (en) * | 1966-12-29 | 1970-09-15 | Helen M Fischer | Fan arrangement for high bypass ratio turbofan engine |
GB1113542A (en) * | 1967-01-06 | 1968-05-15 | Rolls Royce | Gas turbine engine |
FR1561980A (fr) * | 1967-12-14 | 1969-04-04 | ||
GB1229007A (fr) * | 1968-12-04 | 1971-04-21 | ||
GB1257497A (fr) * | 1969-04-16 | 1971-12-22 | ||
US3673802A (en) * | 1970-06-18 | 1972-07-04 | Gen Electric | Fan engine with counter rotating geared core booster |
US3703081A (en) * | 1970-11-20 | 1972-11-21 | Gen Electric | Gas turbine engine |
GB1309721A (en) * | 1971-01-08 | 1973-03-14 | Secr Defence | Fan |
-
1973
- 1973-02-12 US US331806A patent/US3861139A/en not_active Expired - Lifetime
-
1974
- 1974-02-06 GB GB543274A patent/GB1463722A/en not_active Expired
- 1974-02-07 BR BR857/74A patent/BR7400857A/pt unknown
- 1974-02-09 DE DE19742406303 patent/DE2406303A1/de active Pending
- 1974-02-11 IT IT20385/74A patent/IT1006332B/it active
- 1974-02-12 BE BE140803A patent/BE810901A/fr unknown
- 1974-02-12 JP JP49017476A patent/JPS49112013A/ja active Pending
- 1974-02-12 FR FR7404678A patent/FR2217545A1/fr not_active Withdrawn
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2535394A1 (fr) * | 1982-11-01 | 1984-05-04 | Gen Electric | Turbine de travail a contre-rotation |
FR2603344A1 (fr) * | 1986-08-29 | 1988-03-04 | Gen Electric | Turboreacteur a double flux contrarotatif a taux de dilution eleve |
FR2617907A1 (fr) * | 1987-07-06 | 1989-01-13 | Gen Electric | Moteur a turbine a gaz |
FR2652387A1 (fr) * | 1989-09-27 | 1991-03-29 | Snecma | Moteur de propulsion a soufflantes contrarotatives. |
EP0420746A1 (fr) * | 1989-09-27 | 1991-04-03 | Societe Nationale D'etude Et De Construction De Moteurs D'aviation "Snecma" | Moteur de propulsion à soufflantes contrarotatives |
FR2660371A1 (fr) * | 1990-04-03 | 1991-10-04 | Gen Electric | Arrangement d'etancheite inter-etage pour des etages d'aubages de rotors tournant a contrarotation dans un moteur a turbine. |
EP2540989A3 (fr) * | 2011-06-28 | 2016-06-15 | United Technologies Corporation | Moteur à turbine à cycle variable |
EP3006713A1 (fr) * | 2014-10-09 | 2016-04-13 | Techspace Aero S.A. | Compresseur de turbomachine axiale avec rotor contrarotatif |
US10502143B2 (en) | 2014-10-09 | 2019-12-10 | Safran Aero Boosters Sa | Compressor of axial turbine engine with contra-rotating rotor |
BE1024024B1 (fr) * | 2014-10-09 | 2017-10-30 | Safran Aero Boosters S.A. | Compresseur de turbomachine axiale avec rotor contrarotatif |
BE1022364B1 (fr) * | 2014-10-27 | 2016-03-17 | Techspace Aero S.A. | Compresseur de turbomachine axiale avec double rotors contrarotatifs |
CN105545769A (zh) * | 2014-10-27 | 2016-05-04 | 航空技术空间股份有限公司 | 具有双反转转子的用于轴流式涡轮发动机的压缩机 |
US10260348B2 (en) | 2014-10-27 | 2019-04-16 | Safran Aero Boosters Sa | Compressor for an axial turbine engine with double contra-rotating rotors |
CN105545769B (zh) * | 2014-10-27 | 2019-04-16 | 赛峰航空助推器股份有限公司 | 具有双反转转子的用于轴流式涡轮发动机的压缩机 |
EP3015714A1 (fr) * | 2014-10-27 | 2016-05-04 | Techspace Aero S.A. | Compresseur de turbomachine axiale avec double rotors contrarotatifs |
Also Published As
Publication number | Publication date |
---|---|
BR7400857A (pt) | 1975-10-14 |
BE810901A (fr) | 1974-05-29 |
IT1006332B (it) | 1976-09-30 |
US3861139A (en) | 1975-01-21 |
GB1463722A (en) | 1977-02-09 |
DE2406303A1 (de) | 1974-08-15 |
JPS49112013A (fr) | 1974-10-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |