DE69810998D1 - Brennkraftmaschine mit einem NOx-Absorptionskatalysator - Google Patents

Brennkraftmaschine mit einem NOx-Absorptionskatalysator

Info

Publication number
DE69810998D1
DE69810998D1 DE69810998T DE69810998T DE69810998D1 DE 69810998 D1 DE69810998 D1 DE 69810998D1 DE 69810998 T DE69810998 T DE 69810998T DE 69810998 T DE69810998 T DE 69810998T DE 69810998 D1 DE69810998 D1 DE 69810998D1
Authority
DE
Germany
Prior art keywords
combustion engine
internal combustion
catalytic converter
nox absorption
absorption catalytic
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 - Lifetime
Application number
DE69810998T
Other languages
English (en)
Other versions
DE69810998T2 (de
Inventor
Yasuji Ishizuka
Kimiyoshi Nishizawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nissan Motor Co Ltd
Original Assignee
Nissan Motor Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Application granted granted Critical
Publication of DE69810998D1 publication Critical patent/DE69810998D1/de
Publication of DE69810998T2 publication Critical patent/DE69810998T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B01D53/9481—Catalyst preceded by an adsorption device without catalytic function for temporary storage of contaminants, e.g. during cold start
    • 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
    • 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
    • F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
    • F01N11/007—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring oxygen or air concentration downstream of 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
    • 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
    • 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
    • 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
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1439—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the position of the sensor
    • F02D41/1441—Plural sensors
    • 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]
    • B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
    • 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
    • F01N2250/00—Combinations of different methods of purification
    • F01N2250/12—Combinations of different methods of purification absorption or adsorption, and catalytic conversion
    • 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
    • F01N2430/00—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics
    • F01N2430/08—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics by modifying ignition or injection timing
    • 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
    • F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/02—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
    • 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
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/04—Methods of control or diagnosing
    • F01N2900/0408—Methods of control or diagnosing using a feed-back loop
    • 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
    • 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
DE69810998T 1997-06-09 1998-06-08 Brennkraftmaschine mit einem NOx-Absorptionskatalysator Expired - Lifetime DE69810998T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15106597A JP3709655B2 (ja) 1997-06-09 1997-06-09 内燃機関の排気浄化装置

Publications (2)

Publication Number Publication Date
DE69810998D1 true DE69810998D1 (de) 2003-03-06
DE69810998T2 DE69810998T2 (de) 2003-07-17

Family

ID=15510543

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69810998T Expired - Lifetime DE69810998T2 (de) 1997-06-09 1998-06-08 Brennkraftmaschine mit einem NOx-Absorptionskatalysator

Country Status (5)

Country Link
US (1) US6116023A (de)
EP (1) EP0884458B1 (de)
JP (1) JP3709655B2 (de)
KR (1) KR100316501B1 (de)
DE (1) DE69810998T2 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6148612A (en) * 1997-10-13 2000-11-21 Denso Corporation Engine exhaust gas control system having NOx catalyst
DE19827195A1 (de) * 1998-06-18 1999-12-23 Volkswagen Ag Verfahren zur De-Sulfatierung eines NOx-Speicherkatalysators
US6289672B1 (en) * 1998-07-21 2001-09-18 Toyota Jidosha Kabushiki Kaisha Exhaust gas purification device for an internal combustion engine
US6244047B1 (en) 1998-10-02 2001-06-12 Ford Global Technologies, Inc. Method of purging lean NOx trap
FR2787037B1 (fr) * 1998-12-09 2002-01-11 Inst Francais Du Petrole Procede et dispositif d'elimination des oxydes d'azote dans une ligne d'echappement de moteur a combustion interne
JP4031887B2 (ja) * 1999-06-10 2008-01-09 株式会社日立製作所 エンジンの空燃比制御装置および方法
DE19936200A1 (de) * 1999-07-31 2001-02-08 Bosch Gmbh Robert Verfahren zum Betreiben einer Brennkraftmaschine
US6629408B1 (en) * 1999-10-12 2003-10-07 Honda Giken Kogyo Kabushiki Kaisha Exhaust emission control system for internal combustion engine
JP3861689B2 (ja) * 2000-02-16 2006-12-20 日産自動車株式会社 エンジンの排気浄化装置
US6308697B1 (en) * 2000-03-17 2001-10-30 Ford Global Technologies, Inc. Method for improved air-fuel ratio control in engines
US6438944B1 (en) * 2000-03-17 2002-08-27 Ford Global Technologies, Inc. Method and apparatus for optimizing purge fuel for purging emissions control device
JP2002130019A (ja) * 2000-10-25 2002-05-09 Honda Motor Co Ltd リーンＮＯｘ触媒に捕捉したＮＯｘを還元するよう空燃比を制御する電子制御装置
DE10109331C1 (de) * 2001-02-27 2002-06-13 Siemens Ag Verfahren zum Einstellen der Sauerstoffkonzentration eines Dreiwege-Katalysatorsystems
DE10139992B4 (de) * 2001-08-16 2006-04-27 Daimlerchrysler Ag Verfahren zur Regelung der Gemischzusammensetzung für einen Ottomotor mit NOx-Speicherkatalysator während einer Regenerationsphase
JP4003564B2 (ja) 2002-07-17 2007-11-07 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP4304428B2 (ja) * 2003-02-07 2009-07-29 いすゞ自動車株式会社 内燃機関の排気ガス浄化システム
EP1831509B1 (de) * 2004-12-23 2010-04-21 Umicore AG & Co. KG Verfahren zur überwachung der stickoxid-speicherfähigkeit eines als startkatalysators eingesetzten stickoxid-speicherkatalysators
JP2007247412A (ja) * 2006-03-13 2007-09-27 Toyota Motor Corp 内燃機関の空燃比制御装置
JP4548443B2 (ja) * 2007-04-27 2010-09-22 トヨタ自動車株式会社 内燃機関の酸素センサ故障診断装置
KR100907315B1 (ko) * 2007-12-17 2009-07-13 한국기계연구원 질소산화물의 흡장 탈질 장치 및 질소산화물의 흡장 탈질방법
US8560209B2 (en) 2010-06-22 2013-10-15 Toyota Motor Engineering & Manufacturing North America, Inc. Method and system for delivering enrichment to an engine
US9228463B2 (en) 2011-04-22 2016-01-05 Nissan Motor Co., Ltd. Exhaust gas purification control device for an internal combustion engine
DE102018200440A1 (de) * 2018-01-12 2019-07-18 Robert Bosch Gmbh Verfahren zum Steuern eines Dosiersystems mit mehreren Dosierventilen

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5433074A (en) * 1992-07-30 1995-07-18 Toyota Jidosha Kabushiki Kaisha Exhaust gas purification device for an engine
JP2658756B2 (ja) * 1992-08-11 1997-09-30 トヨタ自動車株式会社 内燃機関の排気浄化装置
WO1994017291A1 (en) * 1993-01-19 1994-08-04 Toyota Jidosha Kabushiki Kaisha Exhaust gas cleaning device for an internal combustion engine
JP2998481B2 (ja) * 1993-03-16 2000-01-11 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP2743760B2 (ja) * 1993-03-18 1998-04-22 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP2605579B2 (ja) * 1993-05-31 1997-04-30 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP2985638B2 (ja) * 1993-10-18 1999-12-06 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP3144183B2 (ja) * 1993-11-12 2001-03-12 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP3287082B2 (ja) * 1993-11-15 2002-05-27 トヨタ自動車株式会社 内燃機関の排気浄化装置
JPH0886238A (ja) * 1994-09-16 1996-04-02 Honda Motor Co Ltd 内燃機関の空燃比制御装置
JP3151368B2 (ja) * 1995-02-17 2001-04-03 株式会社日立製作所 内燃機関用排気ガス浄化装置の診断装置
JP3237440B2 (ja) * 1995-02-28 2001-12-10 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP2836522B2 (ja) * 1995-03-24 1998-12-14 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP2836523B2 (ja) * 1995-03-24 1998-12-14 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP2827954B2 (ja) * 1995-03-28 1998-11-25 トヨタ自動車株式会社 ＮＯｘ 吸収剤の劣化検出装置
JPH09287513A (ja) * 1996-02-23 1997-11-04 Nissan Motor Co Ltd エンジンのトルク制御装置
WO1997032173A1 (en) * 1996-03-01 1997-09-04 Congoleum Corporation Thermal processing unit for the preparation of plastisol-based floor coverings

Also Published As

Publication number Publication date
EP0884458B1 (de) 2003-01-29
KR100316501B1 (ko) 2002-02-19
KR19990006798A (ko) 1999-01-25
JP3709655B2 (ja) 2005-10-26
DE69810998T2 (de) 2003-07-17
EP0884458A3 (de) 2000-06-07
JPH10339195A (ja) 1998-12-22
US6116023A (en) 2000-09-12
EP0884458A2 (de) 1998-12-16

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