JP5967941B2 - 排ガス後処理の診断方法 - Google Patents
排ガス後処理の診断方法 Download PDFInfo
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- JP5967941B2 JP5967941B2 JP2012006244A JP2012006244A JP5967941B2 JP 5967941 B2 JP5967941 B2 JP 5967941B2 JP 2012006244 A JP2012006244 A JP 2012006244A JP 2012006244 A JP2012006244 A JP 2012006244A JP 5967941 B2 JP5967941 B2 JP 5967941B2
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- JP
- Japan
- Prior art keywords
- exhaust gas
- carbon monoxide
- particle filter
- aftertreatment device
- gas component
- Prior art date
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- Expired - Fee Related
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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
- F01N11/002—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring or estimating temperature or pressure in, or 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
- 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
- F01N3/033—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 in combination with other devices
- F01N3/035—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 in combination with other devices with catalytic reactors, e.g. catalysed diesel particulate filters
-
- 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
-
- 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
- F01N2550/02—Catalytic activity of catalytic converters
-
- 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
- F01N2550/04—Filtering activity of particulate filters
-
- 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
- F02D41/22—Safety or indicating devices for abnormal conditions
- F02D2041/228—Warning displays
-
- 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
-
- 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
-
- 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
- F02D41/1452—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 a COx content or concentration
-
- 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
- F02D41/14—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
- F02D41/146—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 NOx content or concentration
-
- 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
- F02D41/401—Controlling injection timing
-
- 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)
- Processes For Solid Components From Exhaust (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Description
− 慣例の措置により再生を始めるステップ、
− 一酸化炭素エミッションを測定するステップ、
− 一酸化炭素エミッションを、好ましくは再生の終わりまで積分するステップ、
− 一酸化炭素エミッションの積分値を、好ましくは完全に正常に機能するフィルタの転化に対するものである、例えば99%の転化率を有する参照フィルタの参照値と比較するステップ、
− 値の比較に依存して措置を始めるステップ、
その際、測定値が参照値よりも大きい場合に被覆が正常でないと検知される。
Claims (2)
- 内燃機関(1)用の排ガス後処理装置(3)であって、前記排ガス後処理装置(3)が、1種の排ガス成分の変換のための手段を有し、かつ該排ガス後処理装置(3)に後続配置されたセンサ手段(4)を備えている形式の排ガス後処理装置(3)のオンボード診断のための方法において、
前記排ガス後処理装置は、排ガス成分の変換のための触媒被覆を有する少なくとも1つのすす粒子フィルタ(3)及び前接続された酸化触媒(2)を有し、
前記排ガス成分は、前記センサ手段(4)によって検知され、かつその検知された排ガス成分の量をもとに該排ガス成分の変換のための手段の質が推測され、
前記センサ手段(4)のシグナルは、オンボード診断のためのシステムに伝送され、かつ
エンジン内部措置により前記すす粒子フィルタ(3)の再生が行われ、その間に、すすの酸化によりすす粒子フィルタ(3)中に前記排ガス成分が生成し、かつ
前記排ガス成分は一酸化炭素である、
前記診断方法。 - 内燃機関(1)用の排ガス後処理装置(3)のオンボード診断のための装置であって、前記排ガス後処理装置(3)が、1種の排ガス成分の変換のための手段を有し、かつセンサ手段(4)を備えている形式の装置において、
前記排ガス後処理装置は、前記排ガス成分の変換のための触媒被覆を有する少なくとも1つのすす粒子フィルタ(3)を有し、
前記センサ手段(4)は、エンジン内部措置によるすす粒子フィルタの再生の間での前記排ガス成分の不完全な変換を該成分の識別によって検知するために排ガス後処理装置(3)に後方配置されており、かつ
前記センサ手段(4)は、オンボード診断のためのシステムと接続されており、かつ
前記排ガス成分は一酸化炭素である、
前記診断装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011000153A DE102011000153A1 (de) | 2011-01-14 | 2011-01-14 | Verfahren zur Diagnose einer Abgasnachbehandlung |
DE102011000153.0 | 2011-01-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012149645A JP2012149645A (ja) | 2012-08-09 |
JP5967941B2 true JP5967941B2 (ja) | 2016-08-10 |
Family
ID=46489687
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012006244A Expired - Fee Related JP5967941B2 (ja) | 2011-01-14 | 2012-01-16 | 排ガス後処理の診断方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20120180455A1 (ja) |
JP (1) | JP5967941B2 (ja) |
DE (1) | DE102011000153A1 (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014208095B4 (de) * | 2014-04-29 | 2016-06-30 | Mtu Friedrichshafen Gmbh | Verfahren zur Alterungserkennung eines heterogenen Katalysators, Abgasnachbehandlungssystem für eine Brennkraftmaschine und Brennkraftmaschine |
DE102015003126B4 (de) * | 2015-03-12 | 2020-03-19 | Daimler Ag | Verfahren zur Diagnose einer Abgasanlage eines Fahrzeugs und Abgasanlage |
JP6394616B2 (ja) * | 2016-01-22 | 2018-09-26 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
US11813926B2 (en) | 2020-08-20 | 2023-11-14 | Denso International America, Inc. | Binding agent and olfaction sensor |
US11636870B2 (en) | 2020-08-20 | 2023-04-25 | Denso International America, Inc. | Smoking cessation systems and methods |
US11760170B2 (en) | 2020-08-20 | 2023-09-19 | Denso International America, Inc. | Olfaction sensor preservation systems and methods |
US11760169B2 (en) | 2020-08-20 | 2023-09-19 | Denso International America, Inc. | Particulate control systems and methods for olfaction sensors |
US11932080B2 (en) | 2020-08-20 | 2024-03-19 | Denso International America, Inc. | Diagnostic and recirculation control systems and methods |
US11881093B2 (en) | 2020-08-20 | 2024-01-23 | Denso International America, Inc. | Systems and methods for identifying smoking in vehicles |
US11828210B2 (en) | 2020-08-20 | 2023-11-28 | Denso International America, Inc. | Diagnostic systems and methods of vehicles using olfaction |
JP2022094138A (ja) * | 2020-12-14 | 2022-06-24 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE358925T1 (de) * | 1988-09-14 | 1991-04-11 | Seiko Co., Ltd., Kashiwa, Chiba, Jp | Sensor zum nachweis von co durch katalytische verbrennung. |
JPH1181994A (ja) * | 1997-09-03 | 1999-03-26 | Nippon Soken Inc | 内燃機関の排ガス浄化用触媒の診断装置 |
JP2000337132A (ja) * | 1999-05-27 | 2000-12-05 | Honda Motor Co Ltd | 内燃機関の排気浄化装置 |
DE10013893A1 (de) * | 2000-03-21 | 2001-09-27 | Dmc2 Degussa Metals Catalysts | Verfahren zur Überprüfung der Funktionstüchtigkeit eines Abgasreinigungskatalysators |
US6502386B1 (en) * | 2000-08-02 | 2003-01-07 | Ford Global Technologies, Inc. | Catalyst monitoring in a diesel engine |
US7031827B2 (en) * | 2003-04-11 | 2006-04-18 | Ford Global Technologies, Llc | Computer algorithm to estimate particulate filter regeneration rates |
JP4158645B2 (ja) * | 2003-07-31 | 2008-10-01 | 日産自動車株式会社 | 内燃機関の燃焼制御装置 |
DE102004048313A1 (de) * | 2004-10-05 | 2006-04-06 | Robert Bosch Gmbh | Abgassystem für eine Brennkraftmaschine, sowie Verfahren zum Betreiben eines solchen Abgassystems |
US7204082B1 (en) * | 2005-12-09 | 2007-04-17 | Delphi Technologies, Inc. | System for combustion of reformate in an engine exhaust stream |
JP2008064004A (ja) * | 2006-09-06 | 2008-03-21 | Toyota Motor Corp | 内燃機関の排気浄化システム |
DE102007009873B4 (de) | 2007-03-01 | 2021-05-20 | Robert Bosch Gmbh | Verfahren zur Erkennung des Auftretens von Querempfindlichkeiten eines Abgassensors |
DE102007059523B4 (de) * | 2007-12-11 | 2012-03-01 | Continental Automotive Gmbh | Verfahren und Vorrichtung zur Diagnose eines Partikelfilters |
US9169765B2 (en) * | 2008-07-14 | 2015-10-27 | Westport Power Inc. | Method for regenerating a diesel particulate filter |
US8146352B2 (en) * | 2010-05-12 | 2012-04-03 | Ford Global Technologies, Llc | Diesel particulate filter control |
US8800265B2 (en) * | 2010-09-22 | 2014-08-12 | GM Global Technology Operations LLC | Exhaust gas treatment system for an internal combustion engine |
-
2011
- 2011-01-14 DE DE102011000153A patent/DE102011000153A1/de not_active Withdrawn
-
2012
- 2012-01-13 US US13/350,482 patent/US20120180455A1/en not_active Abandoned
- 2012-01-16 JP JP2012006244A patent/JP5967941B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20120180455A1 (en) | 2012-07-19 |
DE102011000153A1 (de) | 2012-07-19 |
JP2012149645A (ja) | 2012-08-09 |
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