ATE482331T1 - Verschlechterungsbestimmungsvorrichtung für einen katalysator, und katalysatorverschlechterungsbestimmungsverfahre - Google Patents
Verschlechterungsbestimmungsvorrichtung für einen katalysator, und katalysatorverschlechterungsbestimmungsverfahreInfo
- Publication number
- ATE482331T1 ATE482331T1 AT09162295T AT09162295T ATE482331T1 AT E482331 T1 ATE482331 T1 AT E482331T1 AT 09162295 T AT09162295 T AT 09162295T AT 09162295 T AT09162295 T AT 09162295T AT E482331 T1 ATE482331 T1 AT E482331T1
- Authority
- AT
- Austria
- Prior art keywords
- catalyst
- oxygen concentration
- upstream
- comparison
- degradation determination
- Prior art date
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
- 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
-
- 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
-
- 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
- F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
- F02D41/1454—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio
-
- 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
- F02D41/18—Circuit arrangements for generating control signals by measuring intake air flow
-
- 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
- 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
- F01N2560/025—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting O2, e.g. lambda sensors
-
- 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
- F01N2560/14—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics having more than one sensor of one kind
-
- 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
- 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
- F01N3/0864—Oxygen
-
- 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
-
- 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)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Exhaust Gas After Treatment (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008154214A JP2009299557A (ja) | 2008-06-12 | 2008-06-12 | 触媒の劣化判定装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE482331T1 true ATE482331T1 (de) | 2010-10-15 |
Family
ID=40908392
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT09162295T ATE482331T1 (de) | 2008-06-12 | 2009-06-09 | Verschlechterungsbestimmungsvorrichtung für einen katalysator, und katalysatorverschlechterungsbestimmungsverfahre |
Country Status (5)
Country | Link |
---|---|
US (1) | US8205435B2 (de) |
EP (1) | EP2133529B1 (de) |
JP (1) | JP2009299557A (de) |
AT (1) | ATE482331T1 (de) |
DE (1) | DE602009000224D1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8726723B2 (en) * | 2010-02-23 | 2014-05-20 | Cummins Emission Solutions | Detection of aftertreatment catalyst degradation |
JP5029718B2 (ja) * | 2010-03-18 | 2012-09-19 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
BR112012005529A2 (pt) * | 2010-09-01 | 2017-02-21 | Toyota Motor Co Ltd | aparelho e método para detecção de deterioração do catalisador |
JP6059272B2 (ja) * | 2015-02-27 | 2017-01-11 | 富士重工業株式会社 | 触媒劣化診断装置 |
US10774767B2 (en) | 2016-03-29 | 2020-09-15 | Honda Motor Co., Ltd. | Catalyst diagnosis device |
US20200116093A1 (en) * | 2018-10-10 | 2020-04-16 | GM Global Technology Operations LLC | Nox formation prediction for improved catalytic converter control |
US11156177B2 (en) * | 2019-10-04 | 2021-10-26 | Ford Global Technologies, Llc | Methods and systems for catalyst monitoring enablement |
US11603787B2 (en) * | 2020-11-30 | 2023-03-14 | Ford Global Technologies, Llc | Methods and system for controlling selective catalytic reductant catalyst of a gasoline engine |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4128823C2 (de) * | 1991-08-30 | 2000-06-29 | Bosch Gmbh Robert | Verfahren und Vorrichtung zum Bestimmen des Speichervermögens eines Katalysators |
JP2611070B2 (ja) * | 1991-10-14 | 1997-05-21 | 三菱電機株式会社 | 内燃機関の触媒劣化検出装置 |
JP2626433B2 (ja) * | 1992-12-09 | 1997-07-02 | トヨタ自動車株式会社 | 触媒劣化検出装置 |
US5732553A (en) * | 1995-04-20 | 1998-03-31 | Toyota Jidosha Kabushiki Kaisha | Device for determining deterioration of a catalytic converter for an engine |
JPH0941948A (ja) * | 1995-07-26 | 1997-02-10 | Toyota Motor Corp | 内燃機関の触媒劣化判別装置 |
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 |
US5842339A (en) * | 1997-02-26 | 1998-12-01 | Motorola Inc. | Method for monitoring the performance of a catalytic converter |
US6244046B1 (en) * | 1998-07-17 | 2001-06-12 | Denso Corporation | Engine exhaust purification system and method having NOx occluding and reducing catalyst |
JP2001075527A (ja) * | 1999-09-01 | 2001-03-23 | Sharp Corp | 表示装置 |
JP2001271696A (ja) | 2000-03-28 | 2001-10-05 | Fuji Heavy Ind Ltd | エンジンの触媒劣化診断装置 |
US6922985B2 (en) * | 2003-01-21 | 2005-08-02 | Daimlerchrysler Corporation | Exhaust catalyst monitoring arrangement |
JP3873904B2 (ja) * | 2003-02-26 | 2007-01-31 | 日産自動車株式会社 | 内燃機関の排気浄化装置 |
JP4543178B2 (ja) | 2005-09-01 | 2010-09-15 | 国立大学法人京都大学 | 新規リビングラジカル重合法 |
JP4906393B2 (ja) * | 2006-04-27 | 2012-03-28 | 本田技研工業株式会社 | 内燃機関の触媒劣化検知装置 |
-
2008
- 2008-06-12 JP JP2008154214A patent/JP2009299557A/ja active Pending
-
2009
- 2009-06-09 AT AT09162295T patent/ATE482331T1/de not_active IP Right Cessation
- 2009-06-09 DE DE602009000224T patent/DE602009000224D1/de active Active
- 2009-06-09 EP EP09162295A patent/EP2133529B1/de not_active Not-in-force
- 2009-06-10 US US12/482,102 patent/US8205435B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20090308058A1 (en) | 2009-12-17 |
US8205435B2 (en) | 2012-06-26 |
DE602009000224D1 (de) | 2010-11-04 |
JP2009299557A (ja) | 2009-12-24 |
EP2133529A1 (de) | 2009-12-16 |
EP2133529B1 (de) | 2010-09-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |