JP5650263B2 - ガスタービンエンジン - Google Patents
ガスタービンエンジン Download PDFInfo
- Publication number
- JP5650263B2 JP5650263B2 JP2013038266A JP2013038266A JP5650263B2 JP 5650263 B2 JP5650263 B2 JP 5650263B2 JP 2013038266 A JP2013038266 A JP 2013038266A JP 2013038266 A JP2013038266 A JP 2013038266A JP 5650263 B2 JP5650263 B2 JP 5650263B2
- Authority
- JP
- Japan
- Prior art keywords
- gas turbine
- turbine engine
- shaft
- gear
- compressor
- 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
- 230000005540 biological transmission Effects 0.000 claims description 18
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 26
- 230000002093 peripheral effect Effects 0.000 description 10
- 239000000446 fuel Substances 0.000 description 4
- 238000004904 shortening Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Images
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
- F02C3/107—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
- F02C3/113—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 with variable power transmission between 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
- F02C7/36—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
- 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
- F05D2250/30—Arrangement of components
- F05D2250/36—Arrangement of components in inner-outer relationship, e.g. shaft-bearing arrangements
-
- 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
-
- 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
Description
Claims (19)
- シャフトによって駆動されるとともにバイパス流路に配置されたファンと、
前記ファンの下流側に位置したコア流路と、
前記シャフトによって駆動されるとともに前記コア流路に配置された圧縮機セクションと、
前記シャフトを駆動するように前記コア流路に配置されたタービンセクションと、
を備え、
前記圧縮機セクションは、逆回転低圧圧縮機を有し、
前記逆回転低圧圧縮機は、
回転軸を中心に互いに反対方向に回転するように構成される、互いに挿入された外側圧縮機段および内側圧縮機段と、
前記外側圧縮機段および前記内側圧縮機段の少なくとも一方を前記シャフトに接続する変速機と、
を有し、
前記タービンセクションは、逆回転低圧タービンを有し、
前記逆回転低圧タービンは、
外側タービンブレードセットを有した外側ロータと、
前記外側タービンブレードセットに挿入された内側タービンブレードセットを有した内側ロータであって、前記外側ロータが、前記回転軸を中心に内側ロータとは反対方向に回転するように構成される、内側ロータと、
前記外側ロータおよび前記内側ロータの少なくとも一方を前記シャフトに接続するように前記外側ロータおよび前記内側ロータの上流側に配置され、外側ケース部によって少なくとも部分的に取り囲まれた歯車装置と、
を有することを特徴とするガスタービンエンジン。 - 前記変速機は、前記外側圧縮機段よりも高速で前記内側圧縮機段を回転させるように構成されることを特徴とする請求項1に記載のガスタービンエンジン。
- 前記内側圧縮機段および前記ファンは、同じ速度で駆動されることを特徴とする請求項2に記載のガスタービンエンジン。
- 前記変速機は、0.5対1よりも大きい歯車比を提供することを特徴とする請求項2に記載のガスタービンエンジン。
- 前記歯車装置は、前記外側タービンブレードセットよりも高速で前記内側タービンブレードセットを回転させるように構成されることを特徴とする請求項1に記載のガスタービンエンジン。
- 前記歯車装置は、0.5対1よりも大きい歯車比を提供することを特徴とする請求項5に記載のガスタービンエンジン。
- 23対1の圧力比を有した高圧圧縮機を備えることを特徴とする請求項1に記載のガスタービンエンジン。
- 前記ファンは、前記シャフトによって直接に駆動されることを特徴とする請求項1に記載のガスタービンエンジン。
- 前記内側圧縮機段は、前記シャフトによって直接に駆動されることを特徴とする請求項1に記載のガスタービンエンジン。
- 前記変速機は、前記シャフトに直接に接続された太陽歯車と、該太陽歯車と噛み合う複数の星形歯車と、該星形歯車と噛み合う輪歯車とを備えることを特徴とする請求項9に記載のガスタービンエンジン。
- 前記ファンは、前記シャフトによって直接に駆動されることを特徴とする請求項10に記載のガスタービンエンジン。
- 前記星形歯車は、キャリアによって支持され、該キャリアは、回転に対抗するように静止構造体に固定されることを特徴とする請求項10に記載のガスタービンエンジン。
- 前記外側圧縮機段は、前記輪歯車に接続されることを特徴とする請求項10に記載のガスタービンエンジン。
- 前記外側タービンブレードセットは、前記シャフトによって直接に駆動されることを特徴とする請求項1に記載のガスタービンエンジン。
- 前記歯車装置は、前記外側ロータに直接に接続された太陽歯車と、該太陽歯車と噛み合う複数の星形歯車と、該星形歯車と噛み合う輪歯車とを備えることを特徴とする請求項14に記載のガスタービンエンジン。
- 前記星形歯車は、キャリアによって支持され、該キャリアは、中央タービンフレームに固定されることを特徴とする請求項15に記載のガスタービンエンジン。
- 前記太陽歯車は、回転するように前記外側ロータの前方端部に固定されることを特徴とする請求項16に記載のガスタービンエンジン。
- 前記外側ロータの前方端部が前記輪歯車に接続され、前記外側ロータの後方端部が前記シャフトに接続されることを特徴とする請求項16に記載のガスタービンエンジン。
- 前記歯車装置は、中央タービンフレームによって支持され、低圧タービン静止ケースが、支持されていない後方端部と、中央タービンフレームの外側ケース部に接続された前方端部とを備えることを特徴とする請求項14に記載のガスタービンエンジン。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/408,204 US20130219859A1 (en) | 2012-02-29 | 2012-02-29 | Counter rotating low pressure compressor and turbine each having a gear system |
US13/408,204 | 2012-02-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013181541A JP2013181541A (ja) | 2013-09-12 |
JP5650263B2 true JP5650263B2 (ja) | 2015-01-07 |
Family
ID=49001326
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013038266A Active JP5650263B2 (ja) | 2012-02-29 | 2013-02-28 | ガスタービンエンジン |
Country Status (8)
Country | Link |
---|---|
US (1) | US20130219859A1 (ja) |
EP (1) | EP2820267B1 (ja) |
JP (1) | JP5650263B2 (ja) |
CN (1) | CN103291454B (ja) |
BR (1) | BR102013001740A2 (ja) |
CA (1) | CA2805186C (ja) |
SG (1) | SG11201404226QA (ja) |
WO (1) | WO2013187944A2 (ja) |
Families Citing this family (47)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9976489B2 (en) | 2013-12-16 | 2018-05-22 | United Technologies Corporation | Gas turbine engine for long range aircraft |
EP3108106B1 (en) | 2014-02-19 | 2022-05-04 | Raytheon Technologies Corporation | Gas turbine engine airfoil |
EP3108121B1 (en) | 2014-02-19 | 2023-09-06 | Raytheon Technologies Corporation | Turbofan engine with geared architecture and lpc airfoils |
US10385866B2 (en) | 2014-02-19 | 2019-08-20 | United Technologies Corporation | Gas turbine engine airfoil |
WO2015126448A1 (en) * | 2014-02-19 | 2015-08-27 | United Technologies Corporation | Gas turbine engine airfoil |
EP3108123B1 (en) | 2014-02-19 | 2023-10-04 | Raytheon Technologies Corporation | Turbofan engine with geared architecture and lpc airfoils |
US10352331B2 (en) | 2014-02-19 | 2019-07-16 | United Technologies Corporation | Gas turbine engine airfoil |
US10465702B2 (en) | 2014-02-19 | 2019-11-05 | United Technologies Corporation | Gas turbine engine airfoil |
EP3108115B8 (en) | 2014-02-19 | 2023-11-08 | RTX Corporation | Turbofan engine with geared architecture and lpc blades |
EP3108107B1 (en) | 2014-02-19 | 2023-10-11 | Raytheon Technologies Corporation | Turbofan engine with geared architecture and lpc airfoils |
US10502229B2 (en) * | 2014-02-19 | 2019-12-10 | United Technologies Corporation | Gas turbine engine airfoil |
WO2015126941A1 (en) | 2014-02-19 | 2015-08-27 | United Technologies Corporation | Gas turbine engine airfoil |
EP3108113A4 (en) | 2014-02-19 | 2017-03-15 | United Technologies Corporation | Gas turbine engine airfoil |
US10393139B2 (en) | 2014-02-19 | 2019-08-27 | United Technologies Corporation | Gas turbine engine airfoil |
WO2015175052A2 (en) | 2014-02-19 | 2015-11-19 | United Technologies Corporation | Gas turbine engine airfoil |
EP3108120B1 (en) | 2014-02-19 | 2021-03-31 | Raytheon Technologies Corporation | Gas turbine engine having a geared architecture and a specific fixed airfoil structure |
WO2015126450A1 (en) | 2014-02-19 | 2015-08-27 | United Technologies Corporation | Gas turbine engine airfoil |
US10519971B2 (en) | 2014-02-19 | 2019-12-31 | United Technologies Corporation | Gas turbine engine airfoil |
FR3018094B1 (fr) * | 2014-02-28 | 2021-12-03 | Snecma | Rotor de soufflante pour une turbomachine telle qu'un turboreacteur multiflux entraine par reducteur |
US9869190B2 (en) | 2014-05-30 | 2018-01-16 | General Electric Company | Variable-pitch rotor with remote counterweights |
US9410430B2 (en) | 2014-06-19 | 2016-08-09 | Jay HASKIN | Turbine apparatus with counter-rotating blades |
BE1022364B1 (fr) * | 2014-10-27 | 2016-03-17 | Techspace Aero S.A. | Compresseur de turbomachine axiale avec double rotors contrarotatifs |
US9982676B2 (en) | 2014-11-18 | 2018-05-29 | Rolls-Royce North American Technologies Inc. | Split axial-centrifugal compressor |
US10329943B2 (en) | 2014-11-18 | 2019-06-25 | Rolls-Royce North American Technologies Inc. | Split axial-centrifugal compressor |
US10072510B2 (en) | 2014-11-21 | 2018-09-11 | General Electric Company | Variable pitch fan for gas turbine engine and method of assembling the same |
US10100653B2 (en) | 2015-10-08 | 2018-10-16 | General Electric Company | Variable pitch fan blade retention system |
US10508562B2 (en) * | 2015-12-01 | 2019-12-17 | United Technologies Corporation | Geared turbofan with four star/planetary gear reduction |
US10260367B2 (en) | 2016-11-02 | 2019-04-16 | Jay HASKIN | Power transmission system for turbines or compressors having counter-rotating blades |
US9745860B1 (en) * | 2016-11-02 | 2017-08-29 | Jay HASKIN | Power transmission system for turbine or compressor having counter-rotating blades |
US10801442B2 (en) | 2017-02-08 | 2020-10-13 | General Electric Company | Counter rotating turbine with reversing reduction gear assembly |
US10465606B2 (en) * | 2017-02-08 | 2019-11-05 | General Electric Company | Counter rotating turbine with reversing reduction gearbox |
US10823114B2 (en) | 2017-02-08 | 2020-11-03 | General Electric Company | Counter rotating turbine with reversing reduction gearbox |
US10654577B2 (en) * | 2017-02-22 | 2020-05-19 | General Electric Company | Rainbow flowpath low pressure turbine rotor assembly |
DE102017211649A1 (de) * | 2017-07-07 | 2019-01-10 | MTU Aero Engines AG | Gasturbine mit einer schnelllaufenden Niederdruckturbine und einem Turbinengehäuse |
US10738617B2 (en) | 2017-09-20 | 2020-08-11 | General Electric Company | Turbomachine with alternatingly spaced turbine rotor blades |
US10508546B2 (en) | 2017-09-20 | 2019-12-17 | General Electric Company | Turbomachine with alternatingly spaced turbine rotor blades |
US10823000B2 (en) | 2017-09-20 | 2020-11-03 | General Electric Company | Turbomachine with alternatingly spaced turbine rotor blades |
US11098592B2 (en) | 2017-09-20 | 2021-08-24 | General Electric Company | Turbomachine with alternatingly spaced turbine rotor blades |
US10914194B2 (en) * | 2017-09-20 | 2021-02-09 | General Electric Company | Turbomachine with alternatingly spaced turbine rotor blades |
US10823001B2 (en) | 2017-09-20 | 2020-11-03 | General Electric Company | Turbomachine with alternatingly spaced turbine rotor blades |
US10781717B2 (en) | 2017-09-20 | 2020-09-22 | General Electric Company | Turbomachine with alternatingly spaced turbine rotor blades |
EP3578763A1 (en) | 2018-06-07 | 2019-12-11 | Haskin, Jay | Power transmission system for turbine, a turbocharger, a compressor, or a pump |
GB201812553D0 (en) * | 2018-08-01 | 2018-09-12 | Rolls Royce Plc | Gas turbine engine |
US11118535B2 (en) | 2019-03-05 | 2021-09-14 | General Electric Company | Reversing gear assembly for a turbo machine |
US11428160B2 (en) | 2020-12-31 | 2022-08-30 | General Electric Company | Gas turbine engine with interdigitated turbine and gear assembly |
US11674435B2 (en) | 2021-06-29 | 2023-06-13 | General Electric Company | Levered counterweight feathering system |
US11795964B2 (en) | 2021-07-16 | 2023-10-24 | General Electric Company | Levered counterweight feathering system |
Family Cites Families (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2702985A (en) * | 1944-01-31 | 1955-03-01 | Power Jets Res & Dev Ltd | Gas turbine power plant with power take-off from rotatable guide blading |
US3673802A (en) * | 1970-06-18 | 1972-07-04 | Gen Electric | Fan engine with counter rotating geared core booster |
GB1309721A (en) * | 1971-01-08 | 1973-03-14 | Secr Defence | Fan |
US4251987A (en) * | 1979-08-22 | 1981-02-24 | General Electric Company | Differential geared engine |
US4817382A (en) * | 1985-12-31 | 1989-04-04 | The Boeing Company | Turboprop propulsion apparatus |
US4860537A (en) * | 1986-08-29 | 1989-08-29 | Brandt, Inc. | High bypass ratio counterrotating gearless front fan engine |
GB2195712B (en) * | 1986-10-08 | 1990-08-29 | Rolls Royce Plc | A turbofan gas turbine engine |
US4936748A (en) * | 1988-11-28 | 1990-06-26 | General Electric Company | Auxiliary power source in an unducted fan gas turbine engine |
US5010729A (en) * | 1989-01-03 | 1991-04-30 | General Electric Company | Geared counterrotating turbine/fan propulsion system |
US4969325A (en) * | 1989-01-03 | 1990-11-13 | General Electric Company | Turbofan engine having a counterrotating partially geared fan drive turbine |
US5361580A (en) * | 1993-06-18 | 1994-11-08 | General Electric Company | Gas turbine engine rotor support system |
US5307622A (en) * | 1993-08-02 | 1994-05-03 | General Electric Company | Counterrotating turbine support assembly |
US6158210A (en) * | 1998-12-03 | 2000-12-12 | General Electric Company | Gear driven booster |
GB0406174D0 (en) * | 2004-03-19 | 2004-04-21 | Rolls Royce Plc | Turbine engine arrangement |
US7334392B2 (en) * | 2004-10-29 | 2008-02-26 | General Electric Company | Counter-rotating gas turbine engine and method of assembling same |
US7752836B2 (en) * | 2005-10-19 | 2010-07-13 | General Electric Company | Gas turbine assembly and methods of assembling same |
US7950220B2 (en) * | 2006-06-19 | 2011-05-31 | United Technologies Corporation | Turbine engine compressor |
US7704178B2 (en) * | 2006-07-05 | 2010-04-27 | United Technologies Corporation | Oil baffle for gas turbine fan drive gear system |
US7966806B2 (en) * | 2006-10-31 | 2011-06-28 | General Electric Company | Turbofan engine assembly and method of assembling same |
US8015798B2 (en) * | 2007-12-13 | 2011-09-13 | United Technologies Corporation | Geared counter-rotating gas turbofan engine |
US8292570B2 (en) * | 2008-01-25 | 2012-10-23 | United Technologies Corporation | Low pressure turbine with counter-rotating drives for single spool |
FR2940247B1 (fr) * | 2008-12-19 | 2011-01-21 | Snecma | Systeme d'helices contrarotatives entrainees par un train epicycloidal offrant une repartition de couple equilibree entre les deux helices |
US8191352B2 (en) * | 2008-12-19 | 2012-06-05 | General Electric Company | Geared differential speed counter-rotatable low pressure turbine |
FR2942203B1 (fr) * | 2009-02-13 | 2011-04-22 | Snecma | Systeme d'helices contrarotatives a encombrement reduit |
US8375695B2 (en) * | 2009-06-30 | 2013-02-19 | General Electric Company | Aircraft gas turbine engine counter-rotatable generator |
FR2950381B1 (fr) * | 2009-09-18 | 2011-10-28 | Snecma | Turbomachine a helices non carenees contrarotatives |
FR2955085B1 (fr) * | 2010-01-08 | 2011-12-23 | Snecma | Systeme d'helices contrarotatives pour turbomachine d'aeronef |
US9022725B2 (en) * | 2012-02-29 | 2015-05-05 | United Technologies Corporation | Counter-rotating low pressure turbine with gear system mounted to turbine exhaust case |
US9080512B2 (en) * | 2012-02-29 | 2015-07-14 | United Technologies Corporation | Counter-rotating low pressure turbine with gear system mounted to mid turbine frame |
US9028200B2 (en) * | 2012-02-29 | 2015-05-12 | United Technologies Corporation | Counter rotating low pressure turbine with splitter gear system |
US9011076B2 (en) * | 2012-02-29 | 2015-04-21 | United Technologies Corporation | Counter-rotating low pressure turbine with gear system mounted to turbine exhaust case |
-
2012
- 2012-02-29 US US13/408,204 patent/US20130219859A1/en not_active Abandoned
-
2013
- 2013-01-23 BR BRBR102013001740-0A patent/BR102013001740A2/pt not_active Application Discontinuation
- 2013-02-06 CA CA2805186A patent/CA2805186C/en active Active
- 2013-02-25 WO PCT/US2013/027550 patent/WO2013187944A2/en active Application Filing
- 2013-02-25 EP EP13804162.9A patent/EP2820267B1/en active Active
- 2013-02-25 SG SG11201404226QA patent/SG11201404226QA/en unknown
- 2013-02-28 CN CN201310063503.9A patent/CN103291454B/zh active Active
- 2013-02-28 JP JP2013038266A patent/JP5650263B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
EP2820267A4 (en) | 2015-11-04 |
US20130219859A1 (en) | 2013-08-29 |
WO2013187944A2 (en) | 2013-12-19 |
CN103291454B (zh) | 2016-01-06 |
CN103291454A (zh) | 2013-09-11 |
SG11201404226QA (en) | 2014-10-30 |
CA2805186C (en) | 2016-03-29 |
WO2013187944A3 (en) | 2014-02-13 |
BR102013001740A2 (pt) | 2015-05-12 |
JP2013181541A (ja) | 2013-09-12 |
EP2820267B1 (en) | 2021-10-06 |
CA2805186A1 (en) | 2013-08-29 |
EP2820267A2 (en) | 2015-01-07 |
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