JP2011247128A - 排気ガス浄化装置 - Google Patents
排気ガス浄化装置 Download PDFInfo
- Publication number
- JP2011247128A JP2011247128A JP2010119687A JP2010119687A JP2011247128A JP 2011247128 A JP2011247128 A JP 2011247128A JP 2010119687 A JP2010119687 A JP 2010119687A JP 2010119687 A JP2010119687 A JP 2010119687A JP 2011247128 A JP2011247128 A JP 2011247128A
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- Prior art keywords
- exhaust pipe
- exhaust gas
- exhaust
- gas purification
- inclined side
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
- F01N3/2892—Exhaust flow directors or the like, e.g. upstream of catalytic device
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/10—Mixing by creating a vortex flow, e.g. by tangential introduction of flow components
- B01F25/103—Mixing by creating a vortex flow, e.g. by tangential introduction of flow components with additional mixing means other than vortex mixers, e.g. the vortex chamber being positioned in another mixing chamber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/313—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit
- B01F25/3131—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit with additional mixing means other than injector mixers, e.g. screens, baffles or rotating elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
- F01N13/0097—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series the purifying devices are arranged in a single housing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F2025/93—Arrangements, nature or configuration of flow guiding elements
- B01F2025/931—Flow guiding elements surrounding feed openings, e.g. jet nozzles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
- F01N2240/20—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being a flow director or deflector
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2470/00—Structure or shape of gas passages, pipes or tubes
- F01N2470/18—Structure or shape of gas passages, pipes or tubes the axis of inlet or outlet tubes being other than the longitudinal axis of apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
- F01N2610/1453—Sprayers or atomisers; Arrangement thereof in the exhaust apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/103—Oxidation catalysts for HC and CO only
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
【解決手段】内燃機関10から排気ガスを導出する第1の排気管部13と、上流側の側部に第1の排気管部13から排気ガスを導入する開口部40を有するとともに、筒内で排気ガスに旋回流を生じるように、側部を第1の排気管部13に接続され、下流側に後処理装置15が設けられる第2の排気管部14と、第2の排気管部14の上流端に設けられる還元剤供給手段16とを備え、開口部40は、第2の排気管部14の軸に対して傾斜する方向に延びる少なくとも一辺の第1の傾斜辺43を含んで形成されるようにした。
【選択図】図3
Description
10 エンジン(内燃機関)
11 接続管(第1の排気管部)
12 前段後処理装置(第1の排気管部)
13 ミキサーチャンバー(第1の排気管部)
14 排気管(第2の排気管部)
15 後段後処理装置
16 尿素水噴射手段(還元剤供給手段)
43 左側縁部(第1の傾斜辺)
44 下流側縁部(第2の傾斜辺)
R 曲線部
Claims (3)
- 内燃機関の排気系に還元剤によって排気ガス中の窒素化合物を還元浄化する後処理装置を有する排気ガス浄化装置において、
前記内燃機関から排出される排気ガスを導出する第1の排気管部と、
上流側の側部に前記第1の排気管部から排気ガスを導入する開口部を有するとともに、筒内で排気ガスに旋回流を生じるように、前記側部を前記第1の排気管部に接続され、下流側に前記後処理装置が設けられる第2の排気管部と、
前記第2の排気管部の上流端に設けられ、前記後処理装置に還元剤を供給する還元剤供給手段とを備え、
前記開口部は、前記第2の排気管部の軸に対して傾斜する方向に延びる少なくとも一辺の第1の傾斜辺を含んで形成される
ことを特徴とする排気ガス浄化装置。 - 前記開口部は、前記第1の傾斜辺の一端から前記第2の排気管部の径に対して傾斜する方向に延びる第2の傾斜辺をさらに含んで形成される
ことを特徴とする請求項1記載の排気ガス浄化装置。 - 前記第1の傾斜辺と前記第2の傾斜辺とを滑らかに連続させるべく、前記第1の傾斜辺と前記第2の傾斜辺との間に曲線部を設けた
ことを特徴とする請求項2記載の排気ガス浄化装置。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010119687A JP5602495B2 (ja) | 2010-05-25 | 2010-05-25 | 排気ガス浄化装置 |
PCT/JP2011/061196 WO2011148806A1 (ja) | 2010-05-25 | 2011-05-16 | 排気ガス浄化装置 |
AU2011259481A AU2011259481B2 (en) | 2010-05-25 | 2011-05-16 | Exhaust gas purification device |
EP11786505.5A EP2578828B1 (en) | 2010-05-25 | 2011-05-16 | Exhaust gas purification device |
CN201180024523.4A CN102892988B (zh) | 2010-05-25 | 2011-05-16 | 废气净化装置 |
US13/699,507 US8747761B2 (en) | 2010-05-25 | 2011-05-16 | Exhaust gas purification device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010119687A JP5602495B2 (ja) | 2010-05-25 | 2010-05-25 | 排気ガス浄化装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011247128A true JP2011247128A (ja) | 2011-12-08 |
JP5602495B2 JP5602495B2 (ja) | 2014-10-08 |
Family
ID=45003797
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010119687A Expired - Fee Related JP5602495B2 (ja) | 2010-05-25 | 2010-05-25 | 排気ガス浄化装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8747761B2 (ja) |
EP (1) | EP2578828B1 (ja) |
JP (1) | JP5602495B2 (ja) |
CN (1) | CN102892988B (ja) |
AU (1) | AU2011259481B2 (ja) |
WO (1) | WO2011148806A1 (ja) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
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JP5349715B1 (ja) * | 2013-01-17 | 2013-11-20 | 株式会社小松製作所 | 還元剤水溶液ミキシング装置およびこれを備えた排気ガス後処理装置 |
US8916100B2 (en) | 2011-12-27 | 2014-12-23 | Komatsu Ltd. | Reducing agent aqueous solution mixing device and exhaust gas post-treatment device |
US8916101B2 (en) | 2011-12-27 | 2014-12-23 | Komatsu Ltd. | Reducing agent aqueous solution mixing device and exhaust gas post-treatment device |
US8932530B2 (en) | 2011-12-27 | 2015-01-13 | Komatsu Ltd. | Reducing agent aqueous solution mixing device and exhaust gas post-treatment device |
US8955312B2 (en) | 2013-01-17 | 2015-02-17 | Komatsu Ltd. | Reductant aqueous solution mixing device and exhaust aftertreatment device provided with the same |
US8991160B2 (en) | 2013-01-17 | 2015-03-31 | Komatsu Ltd. | Reductant aqueous solution mixing device and exhaust aftertreatment device provided with the same |
US9062589B2 (en) | 2013-01-17 | 2015-06-23 | Komatsu Ltd. | Reductant aqueous solution mixing device and exhaust aftertreatment device provided with the same |
JP2016188579A (ja) * | 2015-03-30 | 2016-11-04 | いすゞ自動車株式会社 | 排気浄化ユニット |
JP2018071399A (ja) * | 2016-10-27 | 2018-05-10 | いすゞ自動車株式会社 | 配管ユニット |
JP2018165477A (ja) * | 2017-03-28 | 2018-10-25 | いすゞ自動車株式会社 | 内燃機関の排気浄化装置 |
JP2019120197A (ja) * | 2018-01-05 | 2019-07-22 | フタバ産業株式会社 | 混合装置 |
US11105246B2 (en) | 2018-03-23 | 2021-08-31 | Isuzu Motors Limited | Degradation diagnosis device for exhaust purification system |
US11149611B2 (en) | 2015-03-30 | 2021-10-19 | Isuzu Motors Limited | Exhaust purification unit |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6053096B2 (ja) * | 2012-01-12 | 2016-12-27 | 日野自動車株式会社 | 排気浄化装置 |
JP6009260B2 (ja) | 2012-07-25 | 2016-10-19 | 日野自動車株式会社 | 排気浄化装置 |
BR112015019613B1 (pt) * | 2013-02-15 | 2021-11-09 | Donaldson Company, Inc | Arranjo de dosagem e mistura para uso em pós-tratamento de descarga |
DE102013005206B3 (de) * | 2013-03-08 | 2014-06-26 | Eberspächer Exhaust Technology GmbH & Co. KG | Einströmkammer für einen Katalysator einer Abgasreinigungsanlage |
GB2512934C (en) * | 2013-04-12 | 2020-03-11 | Eminox Ltd | Reductant injection in an exhaust system |
EP2792864A1 (de) * | 2013-04-17 | 2014-10-22 | ROTH-TECHNIK AUSTRIA Gesellschaft m.b.H. | Abgasbehandlungseinrichtung für einen Abgasstrom einer Brennkraftmaschine |
EP3043894B1 (en) * | 2013-09-13 | 2019-02-06 | Donaldson Company, Inc. | Dosing and mixing arrangement for use in exhaust aftertreatment |
JP6185366B2 (ja) * | 2013-10-31 | 2017-08-23 | 日野自動車株式会社 | 排気浄化装置 |
KR102316252B1 (ko) * | 2014-03-20 | 2021-10-21 | 얀마 파워 테크놀로지 가부시키가이샤 | 엔진 장치 |
DE102014108809C5 (de) * | 2014-06-10 | 2019-04-25 | Tenneco Gmbh | Abgasmischer |
DE102014009015A1 (de) | 2014-06-17 | 2015-12-17 | Daimler Ag | Mischvorrichtung eines Abgasreinigungssystems einer Kraftfahrzeug-Brennkraftmaschine |
DE102014009731A1 (de) | 2014-06-28 | 2015-12-31 | Daimler Ag | Reduktionsmittelaufbereitungssystem |
US9534525B2 (en) | 2015-05-27 | 2017-01-03 | Tenneco Automotive Operating Company Inc. | Mixer assembly for exhaust aftertreatment system |
FR3040193B1 (fr) * | 2015-08-20 | 2019-07-19 | Psa Automobiles Sa. | Systeme de reduction catalytique selective |
KR102520281B1 (ko) * | 2015-09-30 | 2023-04-12 | 로베르트 보쉬 게엠베하 | 스월 혼합형 배기가스 후처리 박스 및 시스템 |
CN106762050A (zh) * | 2015-11-20 | 2017-05-31 | 罗伯特·博世有限公司 | 集成式尾气后处理*** |
JP6728782B2 (ja) * | 2016-03-03 | 2020-07-22 | いすゞ自動車株式会社 | 内燃機関の排ガス浄化装置 |
CN107435576B (zh) * | 2016-05-27 | 2021-06-01 | 罗伯特·博世有限公司 | 集成的尾气后处理*** |
GB2539114A (en) * | 2016-07-05 | 2016-12-07 | Daimler Ag | Mixing device and aftertreatment device |
JP7243107B2 (ja) * | 2018-09-28 | 2023-03-22 | いすゞ自動車株式会社 | 排気構造及び車両 |
CN116291834A (zh) * | 2023-03-22 | 2023-06-23 | 盐城工学院 | 一种高密度柴油机scr串联*** |
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-
2010
- 2010-05-25 JP JP2010119687A patent/JP5602495B2/ja not_active Expired - Fee Related
-
2011
- 2011-05-16 US US13/699,507 patent/US8747761B2/en active Active
- 2011-05-16 WO PCT/JP2011/061196 patent/WO2011148806A1/ja active Application Filing
- 2011-05-16 EP EP11786505.5A patent/EP2578828B1/en not_active Not-in-force
- 2011-05-16 AU AU2011259481A patent/AU2011259481B2/en not_active Ceased
- 2011-05-16 CN CN201180024523.4A patent/CN102892988B/zh not_active Expired - Fee Related
Patent Citations (3)
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JP2009228484A (ja) * | 2008-03-19 | 2009-10-08 | Tokyo Roki Co Ltd | 内燃機関用の排ガス浄化装置 |
WO2009144766A1 (ja) * | 2008-05-27 | 2009-12-03 | 日野自動車株式会社 | 排気浄化装置 |
JP2010019082A (ja) * | 2008-07-08 | 2010-01-28 | Mitsubishi Fuso Truck & Bus Corp | 内燃機関の排気浄化システム |
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JP2016188579A (ja) * | 2015-03-30 | 2016-11-04 | いすゞ自動車株式会社 | 排気浄化ユニット |
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Also Published As
Publication number | Publication date |
---|---|
WO2011148806A1 (ja) | 2011-12-01 |
EP2578828B1 (en) | 2017-09-20 |
EP2578828A4 (en) | 2016-03-09 |
CN102892988A (zh) | 2013-01-23 |
EP2578828A1 (en) | 2013-04-10 |
JP5602495B2 (ja) | 2014-10-08 |
AU2011259481A1 (en) | 2012-12-20 |
US20130064725A1 (en) | 2013-03-14 |
US8747761B2 (en) | 2014-06-10 |
AU2011259481B2 (en) | 2014-08-07 |
CN102892988B (zh) | 2015-06-03 |
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