DE69624744T2 - Vorrichtung zum Feststellen der Verschlechterung eines NOx-Absorptionsmittels - Google Patents
Vorrichtung zum Feststellen der Verschlechterung eines NOx-AbsorptionsmittelsInfo
- Publication number
- DE69624744T2 DE69624744T2 DE69624744T DE69624744T DE69624744T2 DE 69624744 T2 DE69624744 T2 DE 69624744T2 DE 69624744 T DE69624744 T DE 69624744T DE 69624744 T DE69624744 T DE 69624744T DE 69624744 T2 DE69624744 T2 DE 69624744T2
- Authority
- DE
- Germany
- Prior art keywords
- nox absorbent
- determining deterioration
- deterioration
- determining
- nox
- 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
Links
Classifications
-
- 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
-
- 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
-
- 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
- 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
- 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
- F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
- F01N2550/03—Monitoring or diagnosing the deterioration of exhaust systems of sorbing activity of adsorbents or absorbents
-
- 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
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/08—Exhaust gas treatment apparatus parameters
- F02D2200/0806—NOx storage amount, i.e. amount of NOx stored on NOx trap
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/08—Exhaust gas treatment apparatus parameters
- F02D2200/0808—NOx storage capacity, i.e. maximum amount of NOx that can be stored on NOx trap
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/08—Exhaust gas treatment apparatus parameters
- F02D2200/0814—Oxygen storage amount
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/08—Exhaust gas treatment apparatus parameters
- F02D2200/0816—Oxygen storage capacity
-
- 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
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7069703A JP2827954B2 (ja) | 1995-03-28 | 1995-03-28 | NOx 吸収剤の劣化検出装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69624744D1 DE69624744D1 (de) | 2002-12-19 |
DE69624744T2 true DE69624744T2 (de) | 2003-04-24 |
Family
ID=13410480
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69633204T Expired - Lifetime DE69633204T2 (de) | 1995-03-28 | 1996-03-27 | Vorrichtung zum Feststellen der Verschlechterung eines NOx-Absorptionsmittels |
DE69624744T Expired - Lifetime DE69624744T2 (de) | 1995-03-28 | 1996-03-27 | Vorrichtung zum Feststellen der Verschlechterung eines NOx-Absorptionsmittels |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69633204T Expired - Lifetime DE69633204T2 (de) | 1995-03-28 | 1996-03-27 | Vorrichtung zum Feststellen der Verschlechterung eines NOx-Absorptionsmittels |
Country Status (5)
Country | Link |
---|---|
US (1) | US5713199A (de) |
EP (2) | EP1146208B1 (de) |
JP (1) | JP2827954B2 (de) |
KR (1) | KR0165951B1 (de) |
DE (2) | DE69633204T2 (de) |
Families Citing this family (118)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3674017B2 (ja) * | 1996-03-19 | 2005-07-20 | 株式会社デンソー | 排出ガス浄化用触媒劣化検出装置 |
JPH1071325A (ja) * | 1996-06-21 | 1998-03-17 | Ngk Insulators Ltd | エンジン排ガス系の制御方法および触媒/吸着手段の劣化検出方法 |
DE19629163C1 (de) * | 1996-07-19 | 1997-10-09 | Daimler Benz Ag | Verfahren und Vorrichtung zum stickoxidemissionsarmen Betrieb eines Verbrennungsmotors |
US5771685A (en) * | 1996-10-16 | 1998-06-30 | Ford Global Technologies, Inc. | Method for monitoring the performance of a NOx trap |
US5743084A (en) * | 1996-10-16 | 1998-04-28 | Ford Global Technologies, Inc. | Method for monitoring the performance of a nox trap |
US5894725A (en) * | 1997-03-27 | 1999-04-20 | Ford Global Technologies, Inc. | Method and apparatus for maintaining catalyst efficiency of a NOx trap |
JP3709655B2 (ja) * | 1997-06-09 | 2005-10-26 | 日産自動車株式会社 | 内燃機関の排気浄化装置 |
JP3430879B2 (ja) * | 1997-09-19 | 2003-07-28 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
US6138453A (en) | 1997-09-19 | 2000-10-31 | Toyota Jidosha Kabushiki Kaisha | Exhaust gas purification device for an internal combustion engine |
DE19755600C2 (de) * | 1997-12-15 | 2002-01-17 | Bosch Gmbh Robert | Betrieb eines Verbrennungsmotors in Verbindungmit einem NOx-Speicherkatalysator |
DE19800665C1 (de) | 1998-01-10 | 1999-07-01 | Degussa | Verfahren zum Betreiben eines Stickoxid-Speicherkatalysators |
DE19801625A1 (de) * | 1998-01-17 | 1999-07-22 | Bosch Gmbh Robert | Diagnose eines NOx-Speicherkatalysators beim Betrieb von Verbrennungsmotoren |
DE19801626B4 (de) * | 1998-01-17 | 2010-08-12 | Robert Bosch Gmbh | Diagnose eines NOx-Speicherkatalysators beim Betrieb von Verbrennungsmotoren |
DE19808382A1 (de) * | 1998-02-27 | 1999-09-02 | Volkswagen Ag | Steuerung eines NOx-Absorber-Katalysator |
DE19816175A1 (de) * | 1998-04-14 | 1999-10-21 | Degussa | Verfahren zur Überprüfung der Funktionstüchtigkeit eines Stickoxid-Speicherkatalysators |
DE19823921A1 (de) * | 1998-05-28 | 1999-12-02 | Siemens Ag | Verfahren zur Überprüfung des Wirkungsgrades eines NOx-Speicherkatalysators |
DE59910881D1 (de) * | 1998-06-20 | 2004-11-25 | Daimler Chrysler Ag | Regelstrategie für einen NOx-Speicher |
JP4159656B2 (ja) * | 1998-06-24 | 2008-10-01 | 本田技研工業株式会社 | 内燃機関の空燃比制御装置 |
US6205773B1 (en) * | 1998-07-07 | 2001-03-27 | Toyota Jidosha Kabushiki Kaisha | Exhaust gas purification device for an internal combustion engine |
US6244046B1 (en) * | 1998-07-17 | 2001-06-12 | Denso Corporation | Engine exhaust purification system and method having NOx occluding and reducing catalyst |
JP3228232B2 (ja) * | 1998-07-28 | 2001-11-12 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
DE19843879C2 (de) * | 1998-09-25 | 2003-05-08 | Bosch Gmbh Robert | Betrieb eines Verbrennungsmotors in Verbindung mit einem NOx-Speicherkatalysator und einem NOx-Sensor |
DE69923403T2 (de) * | 1998-10-14 | 2005-07-07 | Nissan Motor Co., Ltd., Yokohama | Abgasreinigungseinrichtung |
JP3572961B2 (ja) * | 1998-10-16 | 2004-10-06 | 日産自動車株式会社 | エンジンの排気浄化装置 |
US6497092B1 (en) | 1999-03-18 | 2002-12-24 | Delphi Technologies, Inc. | NOx absorber diagnostics and automotive exhaust control system utilizing the same |
JP3618598B2 (ja) * | 1999-06-03 | 2005-02-09 | 本田技研工業株式会社 | 内燃機関の排気浄化装置 |
DE19926148A1 (de) * | 1999-06-09 | 2000-12-14 | Volkswagen Ag | Verfahren zur Erhöhung der NOx-Umsatzrate von geschädigten NOx-Speicherkatalysatoren |
JP3570297B2 (ja) * | 1999-06-10 | 2004-09-29 | 株式会社日立製作所 | エンジン排気浄化装置 |
JP3854013B2 (ja) * | 1999-06-10 | 2006-12-06 | 三菱電機株式会社 | 内燃機関の排出ガス浄化装置 |
DE19929042A1 (de) * | 1999-06-25 | 2000-12-28 | Audi Ag | Verfahren zur Steuerung der Regenerationsphasen eines NO¶x¶-Speicherkatalysators |
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JP4378819B2 (ja) | 2000-01-18 | 2009-12-09 | マツダ株式会社 | エンジンの排気浄化装置 |
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JP3858554B2 (ja) | 2000-02-23 | 2006-12-13 | 株式会社日立製作所 | エンジン排気浄化装置 |
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JP4867909B2 (ja) * | 2007-12-19 | 2012-02-01 | トヨタ自動車株式会社 | NOx触媒の劣化診断装置 |
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WO1993007363A1 (fr) * | 1991-10-03 | 1993-04-15 | Toyota Jidosha Kabushiki Kaisha | Dispositif pour purifier les gaz d'echappement d'un moteur a combustion interne |
JP2990395B2 (ja) * | 1991-10-18 | 1999-12-13 | 本田技研工業株式会社 | 触媒の劣化判定装置 |
JP2812023B2 (ja) * | 1991-11-12 | 1998-10-15 | トヨタ自動車株式会社 | 触媒劣化度検出装置 |
US5437153A (en) * | 1992-06-12 | 1995-08-01 | Toyota Jidosha Kabushiki Kaisha | Exhaust purification device of internal combustion engine |
JP2845071B2 (ja) * | 1992-12-29 | 1999-01-13 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
DE69420488T2 (de) * | 1993-01-19 | 2000-04-13 | Toyota Motor Co Ltd | Abgasreinigungsgerät für eine brennkraftmaschine |
JPH06272546A (ja) * | 1993-03-17 | 1994-09-27 | Toyota Motor Corp | 内燃機関の排気浄化装置 |
JP3228006B2 (ja) * | 1994-06-30 | 2001-11-12 | トヨタ自動車株式会社 | 内燃機関の排気浄化要素劣化検出装置 |
-
1995
- 1995-03-28 JP JP7069703A patent/JP2827954B2/ja not_active Expired - Lifetime
-
1996
- 1996-03-18 KR KR1019960007161A patent/KR0165951B1/ko not_active IP Right Cessation
- 1996-03-27 DE DE69633204T patent/DE69633204T2/de not_active Expired - Lifetime
- 1996-03-27 DE DE69624744T patent/DE69624744T2/de not_active Expired - Lifetime
- 1996-03-27 EP EP01114502A patent/EP1146208B1/de not_active Expired - Lifetime
- 1996-03-27 US US08/624,034 patent/US5713199A/en not_active Expired - Lifetime
- 1996-03-27 EP EP96104896A patent/EP0735250B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH08260949A (ja) | 1996-10-08 |
EP0735250B1 (de) | 2002-11-13 |
EP1146208A2 (de) | 2001-10-17 |
DE69624744D1 (de) | 2002-12-19 |
KR960034673A (ko) | 1996-10-24 |
US5713199A (en) | 1998-02-03 |
DE69633204D1 (de) | 2004-09-23 |
JP2827954B2 (ja) | 1998-11-25 |
EP0735250A2 (de) | 1996-10-02 |
EP0735250A3 (de) | 1997-07-30 |
EP1146208A3 (de) | 2003-10-15 |
EP1146208B1 (de) | 2004-08-18 |
KR0165951B1 (ko) | 1999-01-15 |
DE69633204T2 (de) | 2005-09-15 |
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