KR20090069240A - 내연 기관용 배기 가스 정화 장치 - Google Patents
내연 기관용 배기 가스 정화 장치 Download PDFInfo
- Publication number
- KR20090069240A KR20090069240A KR1020080133349A KR20080133349A KR20090069240A KR 20090069240 A KR20090069240 A KR 20090069240A KR 1020080133349 A KR1020080133349 A KR 1020080133349A KR 20080133349 A KR20080133349 A KR 20080133349A KR 20090069240 A KR20090069240 A KR 20090069240A
- Authority
- KR
- South Korea
- Prior art keywords
- exhaust gas
- additive
- catalyst
- internal combustion
- combustion engine
- Prior art date
Links
Images
Classifications
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- 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
-
- 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
- F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
- F01N3/0814—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with catalytic converters, e.g. NOx absorption/storage reduction catalysts
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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
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
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- 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
- F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
- F01N3/0821—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with particulate filters
-
- 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
- F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
- F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
- F01N3/0842—Nitrogen oxides
-
- 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
-
- 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
- F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
- F01N2570/04—Sulfur or sulfur oxides
-
- 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
- F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
- F01N2570/10—Carbon or carbon oxides
-
- 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
- F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
- F01N2570/14—Nitrogen oxides
-
- 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
- F01N2610/03—Adding substances to exhaust gases the substance being hydrocarbons, e.g. engine fuel
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (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)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Processes For Solid Components From Exhaust (AREA)
Abstract
Description
Claims (4)
- 내연 기관용 배기 가스 정화 장치이며,내연 기관으로부터 외부로 배기되는 배기 가스를 유도하기 위한 촉매를 포함하는 배기관와,상기 촉매 바로 상류의 배기관의 일부를 굴곡시켜 형성되고, 내연 기관으로부터 배기된 배기 가스를 굴곡부의 외주측을 따르는 배기관의 벽부와 촉매의 입구 단부면 사이의 코너부에 충돌하게 하여 입구 단부면의 다른 부분에 비해 코너부에서의 압력을 증가시키는 굴곡부와,첨가제가 코너부 바로 위를 통과하여 입구 단부면으로 분사되는 방식으로 첨가제를 분사하도록 배기관의 굴곡부의 외주측에 고정된 첨가제 분사 밸브를 포함하는 내연 기관용 배기 가스 정화 장치.
- 제1항에 있어서, 상기 첨가제 분사 밸브는 첨가제가 상기 코너부 부근의 바로 위를 비스듬히 통과하여 입구 단부면으로 분사되는 방식으로 첨가제를 분사하는 내연 기관용 배기 가스 정화 장치.
- 제1항에 있어서, 상기 배기관의 굴곡부의 외주측에 접합된 인접 단부를 갖고, 상기 첨가제 분사 방향에 대향 방향으로 인접 단부로부터 연장되는 첨가제 분사관을 더 포함하고,상기 첨가제 분사 밸브는 첨가제 분사관의 말단부에 배치된 내연 기관용 배기 가스 정화 장치.
- 제1항에 있어서, 상기 배기관은 상기 입구 단부면을 향해 굴곡부로부터 서서히 유로 면적이 확장되는 확장부를, 촉매 입구 단부면과 굴곡부 사이에서 포함하는 내연 기관용 배기 가스 정화 장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2007-00332378 | 2007-12-25 | ||
JP2007332378A JP4332755B2 (ja) | 2007-12-25 | 2007-12-25 | 内燃機関の排気ガス浄化装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20090069240A true KR20090069240A (ko) | 2009-06-30 |
KR100932351B1 KR100932351B1 (ko) | 2009-12-16 |
Family
ID=40707617
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020080133349A KR100932351B1 (ko) | 2007-12-25 | 2008-12-24 | 내연 기관용 배기 가스 정화 장치 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7971428B2 (ko) |
JP (1) | JP4332755B2 (ko) |
KR (1) | KR100932351B1 (ko) |
CN (1) | CN101469625B (ko) |
DE (1) | DE102008057895B4 (ko) |
FR (1) | FR2925589B1 (ko) |
RU (1) | RU2410551C2 (ko) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008050101A1 (de) * | 2008-10-06 | 2010-04-08 | Volkswagen Ag | Vorrichtung zur Eindosierung eines Mediums in einem Abgasstrom |
JP5500909B2 (ja) * | 2009-08-25 | 2014-05-21 | ボッシュ株式会社 | 排気浄化装置 |
US20120312011A1 (en) * | 2011-06-10 | 2012-12-13 | GM Global Technology Operations LLC | Turbine housing and method for directing exhaust |
US20130014503A1 (en) * | 2011-07-15 | 2013-01-17 | GM Global Technology Operations LLC | Housing assembly for forced air induction system |
US8800275B2 (en) | 2012-02-27 | 2014-08-12 | Caterpillar Inc. | Mounting assembly for a reductant injector |
JP5990025B2 (ja) | 2012-04-12 | 2016-09-07 | 日野自動車株式会社 | ミキシング構造 |
DE102013101461A1 (de) | 2013-02-14 | 2014-08-14 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Abgasleitungsabschnitt zur Zufuhr von flüssigem Additiv |
US8820059B1 (en) | 2013-02-22 | 2014-09-02 | Caterpillar Inc. | Mounting assembly for reductant injector with thermal isolation and sealing gasket |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4436397B4 (de) * | 1994-10-12 | 2006-06-08 | Robert Bosch Gmbh | Einrichtung zum Nachbehandeln von Abgasen |
DE19741199C2 (de) * | 1997-09-18 | 2000-10-26 | Siemens Ag | Statischer Mischer |
DE19919426C1 (de) * | 1999-04-28 | 2000-03-30 | Siemens Ag | Ventilaufnahmevorrichtung für ein Dosierventil einer Abgasnachbehandlungsanlage |
JP4524970B2 (ja) * | 2001-08-02 | 2010-08-18 | マツダ株式会社 | エンジンの排気系構造 |
JP2003083056A (ja) | 2001-09-13 | 2003-03-19 | Toyota Motor Corp | 車両用内燃機関の排気浄化装置 |
JP4327445B2 (ja) * | 2002-12-18 | 2009-09-09 | 日野自動車株式会社 | 排気浄化装置 |
JP2004324587A (ja) * | 2003-04-25 | 2004-11-18 | Mitsubishi Fuso Truck & Bus Corp | 内燃機関の排気浄化装置 |
JP4320583B2 (ja) | 2003-10-24 | 2009-08-26 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
JP2005214100A (ja) | 2004-01-30 | 2005-08-11 | Hino Motors Ltd | 排気浄化装置 |
JP4152902B2 (ja) | 2004-02-02 | 2008-09-17 | 日産ディーゼル工業株式会社 | エンジンの排気浄化装置 |
JP2006017018A (ja) * | 2004-06-30 | 2006-01-19 | Toyota Motor Corp | 車両用排気管路の構造 |
JP4461973B2 (ja) | 2004-09-10 | 2010-05-12 | トヨタ自動車株式会社 | ディーゼルエンジンの排気浄化システム |
JP4779959B2 (ja) * | 2006-12-20 | 2011-09-28 | 株式会社デンソー | 排気浄化装置 |
-
2007
- 2007-12-25 JP JP2007332378A patent/JP4332755B2/ja not_active Expired - Fee Related
-
2008
- 2008-11-07 US US12/267,317 patent/US7971428B2/en not_active Expired - Fee Related
- 2008-11-18 DE DE102008057895A patent/DE102008057895B4/de not_active Expired - Fee Related
- 2008-12-23 FR FR0858985A patent/FR2925589B1/fr not_active Expired - Fee Related
- 2008-12-24 CN CN2008101889417A patent/CN101469625B/zh not_active Expired - Fee Related
- 2008-12-24 KR KR1020080133349A patent/KR100932351B1/ko active IP Right Grant
- 2008-12-24 RU RU2008151436/06A patent/RU2410551C2/ru not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE102008057895A1 (de) | 2009-07-16 |
CN101469625A (zh) | 2009-07-01 |
RU2410551C2 (ru) | 2011-01-27 |
DE102008057895B4 (de) | 2013-07-04 |
RU2008151436A (ru) | 2010-06-27 |
CN101469625B (zh) | 2012-01-04 |
US7971428B2 (en) | 2011-07-05 |
KR100932351B1 (ko) | 2009-12-16 |
FR2925589B1 (fr) | 2017-10-06 |
US20090158718A1 (en) | 2009-06-25 |
FR2925589A1 (fr) | 2009-06-26 |
JP2009156070A (ja) | 2009-07-16 |
JP4332755B2 (ja) | 2009-09-16 |
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