DE69624840T2 - System zum reduzieren der emissionen eines katalytischen auspuffs - Google Patents
System zum reduzieren der emissionen eines katalytischen auspuffsInfo
- Publication number
- DE69624840T2 DE69624840T2 DE69624840T DE69624840T DE69624840T2 DE 69624840 T2 DE69624840 T2 DE 69624840T2 DE 69624840 T DE69624840 T DE 69624840T DE 69624840 T DE69624840 T DE 69624840T DE 69624840 T2 DE69624840 T2 DE 69624840T2
- Authority
- DE
- Germany
- Prior art keywords
- reducing emissions
- catalytic exhaust
- catalytic
- exhaust
- emissions
- 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.)
- Expired - Fee Related
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
- B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
-
- 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
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8696—Controlling the catalytic process
-
- 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
- B01D53/9495—Controlling the catalytic process
-
- 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
-
- 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
-
- 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
- F02D41/025—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 by changing the composition of the exhaust gas, e.g. for exothermic reaction on exhaust gas treating apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/202—Hydrogen
-
- 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
- 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
- F01N3/22—Control of additional air supply only, e.g. using by-passes or variable air pump drives
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Biomedical Technology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Toxicology (AREA)
- Exhaust Gas After Treatment (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/458,753 US5867982A (en) | 1995-06-02 | 1995-06-02 | System for reducing emissions in catalytic converter exhaust systems |
PCT/SE1996/000712 WO1996038658A1 (en) | 1995-06-02 | 1996-05-31 | System for reducing emissions in catalytic converter exhaust systems |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69624840D1 DE69624840D1 (de) | 2002-12-19 |
DE69624840T2 true DE69624840T2 (de) | 2003-09-04 |
Family
ID=23821962
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69624840T Expired - Fee Related DE69624840T2 (de) | 1995-06-02 | 1996-05-31 | System zum reduzieren der emissionen eines katalytischen auspuffs |
Country Status (4)
Country | Link |
---|---|
US (1) | US5867982A (de) |
EP (1) | EP0879344B1 (de) |
DE (1) | DE69624840T2 (de) |
WO (1) | WO1996038658A1 (de) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6041593A (en) * | 1996-02-22 | 2000-03-28 | Karlsson; Soeren | Exhaust oxidation |
SE509787C2 (sv) * | 1997-07-18 | 1999-03-08 | Volvo Ab | Anordning och förfarande för katalytisk avgasrening med tillförsel av väte |
JP3799824B2 (ja) * | 1998-06-26 | 2006-07-19 | 日産自動車株式会社 | 内燃機関の排気浄化装置 |
US6370870B1 (en) * | 1998-10-14 | 2002-04-16 | Nissan Motor Co., Ltd. | Exhaust gas purifying device |
GB9905550D0 (en) * | 1999-03-11 | 1999-05-05 | Johnson Matthey Plc | Improvements in catalyst systems |
US6609582B1 (en) * | 1999-04-19 | 2003-08-26 | Delphi Technologies, Inc. | Power generation system and method |
US6212882B1 (en) | 1999-09-07 | 2001-04-10 | Volvo Personvagnar Ab & Engelhard Corp. | Assembly, method, and motor vehicle for cleaning ambient air in the vicinity of an internal combustion engine |
JP3642273B2 (ja) * | 1999-10-21 | 2005-04-27 | 日産自動車株式会社 | 排気ガス浄化システム |
US6560959B2 (en) * | 1999-12-06 | 2003-05-13 | Denso Corporation | Exhaust gas purification apparatus of internal combustion engine |
US6513321B2 (en) * | 1999-12-28 | 2003-02-04 | Honda Giken Kogyo Kabushiki Kaisha | Exhaust gas purifying apparatus for internal combustion engine |
JP2001289093A (ja) * | 2000-03-31 | 2001-10-19 | Hitachi Ltd | 筒内噴射エンジンの排気制御装置 |
JP4250856B2 (ja) * | 2000-05-24 | 2009-04-08 | 三菱自動車工業株式会社 | 筒内噴射型内燃機関 |
DE10038744A1 (de) * | 2000-08-09 | 2002-02-21 | Daimler Chrysler Ag | Verfahren und Vorrichtung zur Verringerung von Warmlaufemissionen einer direkteinspritzenden Brennkraftmaschine |
DE10043375A1 (de) * | 2000-09-02 | 2002-03-14 | Bosch Gmbh Robert | Verfahren zur Aufheizung eines Katalysators bei Verbrennungsmotoren mit Benzindirekteinspritzung |
US6557342B2 (en) * | 2000-09-19 | 2003-05-06 | Nissan Motor Co., Ltd. | Exhaust gas purifying system |
US6729125B2 (en) | 2000-09-19 | 2004-05-04 | Nissan Motor Co., Ltd. | Exhaust gas purifying system |
US6415601B1 (en) * | 2000-12-07 | 2002-07-09 | Ford Global Technologies, Inc. | Temperature management of catalyst system for a variable displacement engine |
US6779338B1 (en) * | 2001-02-14 | 2004-08-24 | Ford Global Technologies, Llc | System and method for purging a hydrocarbon trap |
US6813883B1 (en) * | 2001-02-14 | 2004-11-09 | Ford Global Technologies, Llc | System and method for controlling engine air/fuel ratio during hydrocarbon trap purging |
DE10130054B4 (de) * | 2001-06-21 | 2014-05-28 | Volkswagen Ag | Abgasanlage einer mehrzylindrigen Verbrennungskraftmaschine und Verfahren zur Reinigung eines Abgases |
US20030072708A1 (en) * | 2001-09-19 | 2003-04-17 | Smith Lance L. | Method for dual-fuel operation of a fuel-rich catalytic reactor |
EP1458958A1 (de) * | 2001-11-30 | 2004-09-22 | Delphi Technologies, Inc. | Motorzylinderdeaktivierung zur verbesserung der leistung von abgasreinigungssystemen |
US6915629B2 (en) * | 2002-03-07 | 2005-07-12 | General Motors Corporation | After-treatment system and method for reducing emissions in diesel engine exhaust |
US6732506B2 (en) * | 2002-04-03 | 2004-05-11 | General Motors Corporation | Cylinder deactivation system and NOx trap regeneration |
US20040098969A1 (en) * | 2002-11-21 | 2004-05-27 | Maxim Lyubovsky | Method for reducing the lightoff temperature of a catalyst |
US6931839B2 (en) * | 2002-11-25 | 2005-08-23 | Delphi Technologies, Inc. | Apparatus and method for reduced cold start emissions |
JP4836021B2 (ja) * | 2007-07-24 | 2011-12-14 | トヨタ自動車株式会社 | 多気筒内燃機関の気筒間空燃比ばらつき異常検出装置及びその方法 |
DE102009047646A1 (de) * | 2009-12-08 | 2011-06-09 | Robert Bosch Gmbh | Verfahren zum Betreiben einer mit einem Gas als Kraftstoff betriebenen Brennkraftmaschine |
EP3155222B1 (de) * | 2014-06-16 | 2018-09-19 | Volvo Truck Corporation | Zweitaktgegenkolbenbrennkraftmaschine |
JP6507824B2 (ja) * | 2015-04-27 | 2019-05-08 | 三菱自動車工業株式会社 | エンジンの制御装置 |
JP7052785B2 (ja) * | 2019-10-09 | 2022-04-12 | トヨタ自動車株式会社 | ハイブリッド車両およびその制御方法 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2163537A1 (de) * | 1971-12-21 | 1973-07-12 | Volkswagenwerk Ag | Verfahren zum aufheizen von abgasreinigungsanlagen |
JPS549B2 (de) * | 1974-06-01 | 1979-01-05 | ||
JPS52107438A (en) * | 1976-03-08 | 1977-09-09 | Nissan Motor Co Ltd | Fuel supply cylinder number control engine |
DE3933924A1 (de) * | 1989-10-11 | 1991-04-18 | Bayerische Motoren Werke Ag | Verfahren zur abgasnachbehandlung an einer brennkraftmaschine |
JP2867747B2 (ja) * | 1991-02-12 | 1999-03-10 | 株式会社デンソー | エンジン制御装置 |
US5425233A (en) * | 1991-06-12 | 1995-06-20 | Ford Motor Company | Operation of an internal combustion engine |
US5577383A (en) * | 1991-09-20 | 1996-11-26 | Hitachi, Ltd. | Apparatus for controlling internal combustion engine |
DE69206154T2 (de) * | 1991-10-11 | 1996-04-18 | Ford Werke Ag | Abgassystem. |
GB2260279A (en) * | 1991-10-11 | 1993-04-14 | Ford Motor Co | Catalytic converter |
JPH06272542A (ja) * | 1993-03-17 | 1994-09-27 | Hitachi Ltd | 内燃機関の排気浄化制御装置及び制御方法 |
GB2277045A (en) * | 1993-04-15 | 1994-10-19 | Ford Motor Co | Operation of an internal combustion engine |
DE4323243A1 (de) * | 1993-07-12 | 1995-01-26 | Bosch Gmbh Robert | Bedarfsorientiertes Heizverfahren für einen Katalysator im Abgassystem einer Brennkraftmaschine |
JPH0783151A (ja) * | 1993-09-13 | 1995-03-28 | Honda Motor Co Ltd | 内燃エンジンの点火時期制御装置 |
JPH07189669A (ja) * | 1993-12-28 | 1995-07-28 | Honda Motor Co Ltd | 内燃機関の部品温度推定装置及びこれを用いた排気ガス浄化装置 |
US5396764A (en) * | 1994-02-14 | 1995-03-14 | Ford Motor Company | Spark ignition engine exhaust system |
-
1995
- 1995-06-02 US US08/458,753 patent/US5867982A/en not_active Expired - Fee Related
-
1996
- 1996-05-31 EP EP96917769A patent/EP0879344B1/de not_active Expired - Lifetime
- 1996-05-31 DE DE69624840T patent/DE69624840T2/de not_active Expired - Fee Related
- 1996-05-31 WO PCT/SE1996/000712 patent/WO1996038658A1/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
US5867982A (en) | 1999-02-09 |
EP0879344A1 (de) | 1998-11-25 |
DE69624840D1 (de) | 2002-12-19 |
EP0879344B1 (de) | 2002-11-13 |
WO1996038658A1 (en) | 1996-12-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |