KR20020008745A - 내연기관의 배기 정화 장치 - Google Patents
내연기관의 배기 정화 장치 Download PDFInfo
- Publication number
- KR20020008745A KR20020008745A KR1020010020667A KR20010020667A KR20020008745A KR 20020008745 A KR20020008745 A KR 20020008745A KR 1020010020667 A KR1020010020667 A KR 1020010020667A KR 20010020667 A KR20010020667 A KR 20010020667A KR 20020008745 A KR20020008745 A KR 20020008745A
- Authority
- KR
- South Korea
- Prior art keywords
- catalyst
- fuel
- exhaust
- nox
- air
- 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.)
- Granted
Links
Classifications
-
- 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
-
- 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
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
-
- 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
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
- F01N3/025—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles using fuel burner or by adding fuel to exhaust
- F01N3/0253—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles using fuel burner or by adding fuel to exhaust adding fuel to 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
- F01N3/0807—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 filter
-
- 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
- F01N3/0871—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents using means for controlling, e.g. purging, the absorbents or adsorbents
- F01N3/0885—Regeneration of deteriorated absorbents or adsorbents, e.g. desulfurization of NOx traps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/021—Introducing corrections for particular conditions exterior to the engine
- F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
- F02D41/024—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to increase temperature of the exhaust gas treating apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
- F02D41/402—Multiple injections
- F02D41/405—Multiple injections with post injections
-
- 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
- F01N2430/00—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics
- F01N2430/06—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics by varying fuel-air ratio, e.g. by enriching fuel-air mixture
-
- 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
- F01N2570/16—Oxygen
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/021—Introducing corrections for particular conditions exterior to the engine
- F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
- F02D41/027—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus
- F02D41/0275—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus the exhaust gas treating apparatus being a NOx trap or adsorbent
- F02D41/028—Desulfurisation of NOx traps or adsorbent
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/021—Introducing corrections for particular conditions exterior to the engine
- F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
- F02D41/027—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus
- F02D41/029—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus the exhaust gas treating apparatus being a particulate filter
-
- 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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
-
- 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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Analytical Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Exhaust Gas After Treatment (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
Description
Claims (3)
- 내연기관의 배기 통로에 설치되어 유입하는 배기를 정화하는 촉매와,상기 내연기관의 기관 운전 상태를 검출하는 기관 운전 상태 검출 수단과,상기 촉매의 온도를 상승시키는 복수의 촉매 온도 상승 수단과,상기 촉매를 온도 상승시킬 때 상기 기관 운전 상태 검출 수단의 검출치에 근거하여 복수의 상기 촉매 온도 상승 수단으로부터 1개를 선택하는 촉매 온도 상승 선택 수단을 구비하고,상기 촉매 온도 상승 수단은 소부하영역에서는 상기 내연기관에 공급하는 연료의 주분사를 증량하여 이론 공연비 부근으로 하며 또한 상기 배기 통로에 연료를 첨가하고, 중부하 영역에서는 주분사 후에 추가 연료를 분사하며 또한 배기 통로에 연료를 첨가하고, 대부하 영역에서는 배기 통로에 연료를 첨가하는 것을 특징으로 하는 내연기관의 배기 정화 장치.
- 제 1 항에 있어서, 상기 촉매 온도 상승 수단은 상기 촉매의 S 피독을 회복하기 위해 온도 상승시킬 때와, 또한 기관 운전 상태가 가속 또는 정상 운전 상태에 있을 때에 작동하는 것을 특징으로 하는 내연기관의 배기 정화 장치.
- 제 1 항에 있어서, 상기 내연기관에 흡입되는 새로운 공기의 양을 감소시키는 새로운 공기량 감소 수단을 구비하고, S 피독을 회복해야 할 때에는 새로운 공기의 량을 감소시켜 이론 공연비에 근접하게 하며, 또한 배기 통로에 연료를 첨가하여 촉매로 흐르는 배기 가스의 배기 공연비를 리치로 하는 것을 특징으로 하는 내연기관의 배기 정화 장치.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000-223147 | 2000-07-24 | ||
| JP2000223147A JP3514218B2 (ja) | 2000-07-24 | 2000-07-24 | 内燃機関の排気浄化装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20020008745A true KR20020008745A (ko) | 2002-01-31 |
| KR100437521B1 KR100437521B1 (ko) | 2004-06-26 |
Family
ID=18717286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR10-2001-0020667A Expired - Fee Related KR100437521B1 (ko) | 2000-07-24 | 2001-04-18 | 내연기관의 배기 정화 장치 |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1176298B1 (ko) |
| JP (1) | JP3514218B2 (ko) |
| KR (1) | KR100437521B1 (ko) |
| DE (1) | DE60115775T2 (ko) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE524181C2 (sv) * | 2002-11-05 | 2004-07-06 | Volvo Lastvagnar Ab | Metod för regenerering av ett partikelfilter samt fordon i vilket en sådan metod utnyttjas |
| JP3894125B2 (ja) | 2003-01-28 | 2007-03-14 | 日産自動車株式会社 | 内燃機関の排気浄化装置 |
| JP2004293339A (ja) * | 2003-03-25 | 2004-10-21 | Mitsubishi Fuso Truck & Bus Corp | 排ガス浄化装置 |
| JP4239765B2 (ja) * | 2003-09-10 | 2009-03-18 | トヨタ自動車株式会社 | 内燃機関の排気浄化触媒制御方法及び排気浄化触媒制御装置 |
| FR2862702B1 (fr) * | 2003-11-25 | 2006-02-24 | Peugeot Citroen Automobiles Sa | Systeme de desulfatation d'un piege a nox |
| FR2862703B1 (fr) * | 2003-11-25 | 2006-02-24 | Peugeot Citroen Automobiles Sa | Systeme de desulfatation d'un piege a nox, pour moteur de vehicule automobile |
| FR2897641B1 (fr) * | 2006-02-20 | 2011-03-04 | Renault Sas | Procede et dispositif de regeneration du filtre a particules d'un moteur a combustion interne du type diesel, pendant les phases de ralenti |
| JP2009074426A (ja) | 2007-09-20 | 2009-04-09 | Toyota Motor Corp | 内燃機関の制御装置 |
| FR2927372A1 (fr) * | 2008-02-12 | 2009-08-14 | Renault Sas | Procede de commande d'alimentation en carburant d'une ligne d'echappement d'un moteur a combustion et dispositif mettant en oeuvre le procede |
| JP4998326B2 (ja) * | 2008-02-27 | 2012-08-15 | いすゞ自動車株式会社 | 排気ガス浄化システムの制御方法及び排気ガス浄化システム |
| JP5131362B2 (ja) * | 2011-02-21 | 2013-01-30 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5786536A (en) * | 1980-11-17 | 1982-05-29 | Toyota Motor Corp | Reproduction method of particle catcher and fuel supplier for diesel engine |
| JP3358392B2 (ja) * | 1995-06-15 | 2002-12-16 | トヨタ自動車株式会社 | ディーゼル機関の排気浄化装置 |
| DE69635641T2 (de) * | 1995-09-11 | 2006-09-14 | Toyota Jidosha K.K., Toyota | Verfahren zum Reinigen von Verbrennungsmotorabgas |
| DE19750226C1 (de) * | 1997-11-13 | 1998-10-29 | Daimler Benz Ag | Motorregelsystem für einen Dieselmotor |
| JP3104692B2 (ja) * | 1998-11-13 | 2000-10-30 | トヨタ自動車株式会社 | 内燃機関 |
| JP3607980B2 (ja) * | 1999-12-16 | 2005-01-05 | トヨタ自動車株式会社 | 内燃機関 |
-
2000
- 2000-07-24 JP JP2000223147A patent/JP3514218B2/ja not_active Expired - Fee Related
-
2001
- 2001-04-18 KR KR10-2001-0020667A patent/KR100437521B1/ko not_active Expired - Fee Related
- 2001-07-16 DE DE60115775T patent/DE60115775T2/de not_active Expired - Lifetime
- 2001-07-16 EP EP01117203A patent/EP1176298B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP1176298A2 (en) | 2002-01-30 |
| EP1176298B1 (en) | 2005-12-14 |
| EP1176298A3 (en) | 2004-05-12 |
| DE60115775D1 (de) | 2006-01-19 |
| KR100437521B1 (ko) | 2004-06-26 |
| JP2002038943A (ja) | 2002-02-06 |
| DE60115775T2 (de) | 2006-07-20 |
| JP3514218B2 (ja) | 2004-03-31 |
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