JP5658163B2 - 触媒コンバータの性能診断方法 - Google Patents
触媒コンバータの性能診断方法 Download PDFInfo
- Publication number
- JP5658163B2 JP5658163B2 JP2011535106A JP2011535106A JP5658163B2 JP 5658163 B2 JP5658163 B2 JP 5658163B2 JP 2011535106 A JP2011535106 A JP 2011535106A JP 2011535106 A JP2011535106 A JP 2011535106A JP 5658163 B2 JP5658163 B2 JP 5658163B2
- Authority
- JP
- Japan
- Prior art keywords
- catalytic converter
- oxygen
- signal
- signals
- diagnosis
- 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
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Classifications
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- 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
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- 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
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- 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
- 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
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/16—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
- F01N2900/1621—Catalyst conversion efficiency
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Exhaust Gas After Treatment (AREA)
Description
は1である。
1) 刺激の前後で、触媒後のプローブ6からの信号の曲線は、触媒前のプローブ5からの信号の曲線のものと実質的に一致する正弦曲線である。
2) プローブ6からの信号の曲線12の刺激スロット13は、Δt(n)より著しく短いΔt(v)分、プローブ5からの信号の曲線14のものに対して変位している。
2 管
3 触媒コンバータ
4 消音器
5,6 酸素プローブ
7,12,14,16 曲線
8,11,13,15 刺激
9,10 スロット
Sa,Sp 信号
Claims (3)
- ガソリン自動車の排気ライン(1)に設置された触媒コンバータ(3)の性能を、その上流側及び下流側のそれぞれにおいて前記排気ライン(1)中に配置した2個の酸素プローブ(5,6)を用いて診断する方法であって、エンジンを一定時間安定化した後、より多くのガソリンを供給する操作を含む刺激により、連続する複数の高濃度型スロット状信号が生じるように前記2個の酸素プローブ(5,6)に刺激を与える工程を含む方法において、前記2個の酸素プローブ(5,6)からの信号(7,16)を解析し、下流側酸素プローブ(6)の信号(16)を閾値と対比することにより、前記触媒コンバータ(3)の有効寿命の前期における受動的診断を行い、その後、前記触媒コンバータ(3)の有効寿命の後期において、前記2個の酸素プローブ(5,6)及び診断用プログラマブルコントローラを用いて前記触媒コンバータ(3)の酸素貯蔵容量を測定することにより、前記触媒コンバータ(3)の性能を介入的に診断する工程を含み、前記受動的診断から前記介入的診断への移行は、前記2個の酸素プローブ(5,6)による2つの信号(7,16)間の時間差が、その閾値と対比されるように、予め設定されており、前記時間差は、前記2個の酸素プローブ(5,6)による2つの正弦曲線状信号間の時間差であることを特徴とする触媒コンバータの性能診断方法。
- 前記2つの信号(7,16)は、前記エンジンへの操作により前記2個の酸素プローブ(5,6)に刺激を与えたときに前記高濃度型スロット状信号として現れることを特徴とする請求項1に記載の触媒コンバータの性能診断方法。
- 汚染ガスの排出レベルがその施行基準を満たすように、前記移行時の閾値が決定されることを特徴とする請求項1又は2に記載の触媒コンバータの性能診断方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0806209 | 2008-11-06 | ||
FR0806209A FR2938008B1 (fr) | 2008-11-06 | 2008-11-06 | Procede de diagnostic des performances d'un pot catalytique |
PCT/EP2009/064667 WO2010052261A1 (fr) | 2008-11-06 | 2009-11-05 | Procede de diagnostic des performances d'un pot catalytique |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012511652A JP2012511652A (ja) | 2012-05-24 |
JP5658163B2 true JP5658163B2 (ja) | 2015-01-21 |
Family
ID=40756731
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011535106A Expired - Fee Related JP5658163B2 (ja) | 2008-11-06 | 2009-11-05 | 触媒コンバータの性能診断方法 |
Country Status (11)
Country | Link |
---|---|
US (1) | US8910510B2 (ja) |
EP (1) | EP2347104B1 (ja) |
JP (1) | JP5658163B2 (ja) |
KR (1) | KR101612581B1 (ja) |
CN (1) | CN102209838B (ja) |
BR (1) | BRPI0921427A2 (ja) |
FR (1) | FR2938008B1 (ja) |
MX (1) | MX2011004711A (ja) |
MY (1) | MY148498A (ja) |
RU (1) | RU2516058C2 (ja) |
WO (1) | WO2010052261A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102374001B (zh) * | 2010-08-06 | 2013-07-10 | 长春易控汽车电子有限公司 | 发动机催化转化器老化故障诊断方法 |
FR2979949B1 (fr) * | 2011-09-13 | 2015-02-20 | Peugeot Citroen Automobiles Sa | Procede et dispositif de detection d'un organe de depollution dans une ligne d'echappement d'un vehicule automobile, ligne d'echappement et vehicule automobile comprenant un tel dispositif |
DE102012007897A1 (de) * | 2012-04-23 | 2013-10-24 | Man Truck & Bus Ag | Verfahren und Vorrichtung zu Überprüfung der Funktionsfähigkeit eines NO-Oxidationskatalysators |
US9261033B2 (en) * | 2014-05-22 | 2016-02-16 | Ford Global Technologies, Llc | Systems and methods for improving catalyst diagnostics in the presence of sensor degradation |
US10436762B2 (en) | 2017-11-07 | 2019-10-08 | Chevron Phillips Chemical Company Lp | System and method for monitoring a reforming catalyst |
FR3101668B1 (fr) * | 2019-10-07 | 2022-06-24 | Renault Sas | Procede de diagnostic d’un systeme de post-traitement d’un moteur a allumage commande |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0374540A (ja) * | 1989-08-17 | 1991-03-29 | Mitsubishi Electric Corp | 内燃機関の空燃比制御装置 |
RU2059080C1 (ru) * | 1994-11-03 | 1996-04-27 | Акционерное общество "Элкар" | Способ бортовой диагностики каталитического нейтрализатора отработавших газов транспортного двигателя внутреннего сгорания |
JP3149714B2 (ja) * | 1994-12-28 | 2001-03-26 | 日産自動車株式会社 | 内燃機関の触媒劣化診断装置 |
DE69627100T2 (de) * | 1995-10-26 | 2004-02-19 | Toyota Jidosha K.K., Toyota | Feststellungsvorrichtung der Katalysatorverschlechterung einer Brennkraftmaschine |
US5842339A (en) * | 1997-02-26 | 1998-12-01 | Motorola Inc. | Method for monitoring the performance of a catalytic converter |
DE19963903A1 (de) * | 1999-12-31 | 2001-07-12 | Bosch Gmbh Robert | Verfahren zum Betreiben einer Brennkraftmaschine insbesondere eines Kraftfahrzeugs |
DE19963932A1 (de) * | 1999-12-31 | 2001-07-12 | Bosch Gmbh Robert | Verfahren zum Betreiben einer Brennkraftmaschine insbesondere eines Kraftfahrzeugs |
JP2002256856A (ja) * | 2001-03-06 | 2002-09-11 | Mitsubishi Motors Corp | 排気浄化触媒の劣化検出装置 |
US6868666B2 (en) * | 2003-04-08 | 2005-03-22 | General Motors Corporation | Method and apparatus for monitoring catalyst efficiency and outlet oxygen sensor performance |
JP4089507B2 (ja) * | 2003-05-20 | 2008-05-28 | トヨタ自動車株式会社 | 内燃機関の触媒劣化検出装置 |
JP2006257904A (ja) | 2005-03-15 | 2006-09-28 | Toyota Motor Corp | 内燃機関の触媒劣化判定装置 |
JP4636273B2 (ja) * | 2006-06-07 | 2011-02-23 | 三菱自動車工業株式会社 | 内燃機関の排気浄化装置 |
-
2008
- 2008-11-06 FR FR0806209A patent/FR2938008B1/fr not_active Expired - Fee Related
-
2009
- 2009-11-05 MX MX2011004711A patent/MX2011004711A/es active IP Right Grant
- 2009-11-05 BR BRPI0921427A patent/BRPI0921427A2/pt not_active IP Right Cessation
- 2009-11-05 KR KR1020117012884A patent/KR101612581B1/ko not_active IP Right Cessation
- 2009-11-05 JP JP2011535106A patent/JP5658163B2/ja not_active Expired - Fee Related
- 2009-11-05 CN CN2009801442196A patent/CN102209838B/zh not_active Expired - Fee Related
- 2009-11-05 EP EP09752787A patent/EP2347104B1/fr active Active
- 2009-11-05 MY MYPI2011001852A patent/MY148498A/en unknown
- 2009-11-05 WO PCT/EP2009/064667 patent/WO2010052261A1/fr active Application Filing
- 2009-11-05 RU RU2011122619/06A patent/RU2516058C2/ru not_active IP Right Cessation
- 2009-11-05 US US13/127,302 patent/US8910510B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
BRPI0921427A2 (pt) | 2017-06-06 |
US20110252867A1 (en) | 2011-10-20 |
WO2010052261A1 (fr) | 2010-05-14 |
MX2011004711A (es) | 2011-08-15 |
RU2516058C2 (ru) | 2014-05-20 |
EP2347104A1 (fr) | 2011-07-27 |
FR2938008B1 (fr) | 2010-11-26 |
MY148498A (en) | 2013-04-30 |
RU2011122619A (ru) | 2012-12-20 |
US8910510B2 (en) | 2014-12-16 |
JP2012511652A (ja) | 2012-05-24 |
CN102209838B (zh) | 2013-05-29 |
CN102209838A (zh) | 2011-10-05 |
FR2938008A1 (fr) | 2010-05-07 |
EP2347104B1 (fr) | 2013-01-09 |
KR101612581B1 (ko) | 2016-04-14 |
KR20110082607A (ko) | 2011-07-19 |
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