FR2788601B1 - Procede pour reconnaitre des modifications reduisant le passage dans un corps de catalyseur des gaz d'echappement - Google Patents
Procede pour reconnaitre des modifications reduisant le passage dans un corps de catalyseur des gaz d'echappementInfo
- Publication number
- FR2788601B1 FR2788601B1 FR0000385A FR0000385A FR2788601B1 FR 2788601 B1 FR2788601 B1 FR 2788601B1 FR 0000385 A FR0000385 A FR 0000385A FR 0000385 A FR0000385 A FR 0000385A FR 2788601 B1 FR2788601 B1 FR 2788601B1
- Authority
- FR
- France
- Prior art keywords
- exhaust gases
- catalyst body
- reducing passage
- modifications reducing
- recognizing
- 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
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
-
- 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
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
- F02D35/02—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
- F02D35/021—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions using an ionic current sensor
-
- 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)
- Exhaust Gas After Treatment (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19901066A DE19901066C1 (de) | 1999-01-14 | 1999-01-14 | Verfahren zur Erkennung von durchlaßverringernden Veränderungen in einem Abgaskatalysatorkörper |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2788601A1 FR2788601A1 (fr) | 2000-07-21 |
FR2788601B1 true FR2788601B1 (fr) | 2005-09-02 |
Family
ID=7894161
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR0000385A Expired - Fee Related FR2788601B1 (fr) | 1999-01-14 | 2000-01-13 | Procede pour reconnaitre des modifications reduisant le passage dans un corps de catalyseur des gaz d'echappement |
Country Status (5)
Country | Link |
---|---|
US (1) | US6205774B1 (fr) |
DE (1) | DE19901066C1 (fr) |
FR (1) | FR2788601B1 (fr) |
GB (1) | GB2345972B (fr) |
IT (1) | IT1315794B1 (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3523542B2 (ja) * | 1999-09-27 | 2004-04-26 | 三菱電機株式会社 | 内燃機関の失火検出装置 |
JP2001248531A (ja) * | 2000-03-07 | 2001-09-14 | Daihatsu Motor Co Ltd | 内燃機関の点火プラグ取付構造 |
DE10211456B4 (de) * | 2002-03-15 | 2005-04-21 | Daimlerchrysler Ag | Verfahren zur Überwachung der Partikelemissions-Grenzwerte bei einem Verbrennungsmotor |
US6922628B2 (en) | 2003-11-26 | 2005-07-26 | Visteon Global Technologies, Inc. | IC engine diagnostic system using the peak and integration ionization current signals |
US8629781B2 (en) * | 2011-05-05 | 2014-01-14 | GM Global Technology Operations LLC | Efficiency determination for a selective-catalytic-reduction catalyst |
US11107307B2 (en) * | 2018-05-01 | 2021-08-31 | Ford Global Technologies, Llc | Systems and methods for probabilistic on-board diagnostics |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2554988C2 (de) * | 1975-12-06 | 1985-01-10 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren zur Bestimmung der Zusammensetzung des einer Brennkraftmaschine zugeführten Betriebsgemisches bzw. des Verbrennungsablaufs des Betriebsgemisches und Einrichtung zur Durchführung des Verfahrens |
US4487184A (en) * | 1983-07-07 | 1984-12-11 | Robert Bosch Gmbh | Control of an internal combustion engine with reference to a combustion chamber sensor |
DE3828518A1 (de) * | 1988-08-23 | 1990-03-01 | Pierburg Gmbh | Zuendkerze mit integriertem ionenstromsensor |
DE4002206C2 (de) * | 1990-01-26 | 2000-06-15 | Bosch Gmbh Robert | Katalysatorschutzverfahren |
KR950013542B1 (ko) * | 1991-07-17 | 1995-11-08 | 미쓰비시 덴키 가부시키가이샤 | 내연기관 실화검출장치 |
IT1249969B (it) | 1991-07-30 | 1995-03-30 | Iveco Fiat | Metodo ed apparecchiatura per la determinazione dell'intasamento di unfiltro, in particolare di un filtro di un impianto di scarico. |
US5261271A (en) | 1992-01-27 | 1993-11-16 | Ford Motor Company | Exhaust backpressure tester |
US5373733A (en) | 1992-12-31 | 1994-12-20 | Donaldson Company, Inc. | Exhaust filter backpressure indicator |
JP3194680B2 (ja) * | 1994-12-15 | 2001-07-30 | 三菱電機株式会社 | 内燃機関の失火検出装置 |
DE19614288C1 (de) * | 1996-04-11 | 1997-08-07 | Telefunken Microelectron | Schaltungsanordnung zur Ionenstrommessung im Verbrennungsraum einer Brennkraftmaschine und zur Wechselstromzündung der Brennkraftmaschine |
JPH10159699A (ja) * | 1996-12-02 | 1998-06-16 | Mitsubishi Electric Corp | 内燃機関の燃焼制御装置 |
JPH10252635A (ja) * | 1997-03-17 | 1998-09-22 | Hitachi Ltd | 故障診断装置付きエンジン燃焼状態検出装置 |
DE19727004A1 (de) * | 1997-06-25 | 1999-01-07 | Bosch Gmbh Robert | Verfahren und Vorrichtung zur Erkennung von Zündaussetzern einer Brennkraftmaschine |
US5778855A (en) * | 1997-07-03 | 1998-07-14 | Ford Global Technologies, Inc. | Combustion stability control for lean burn engines |
-
1999
- 1999-01-14 DE DE19901066A patent/DE19901066C1/de not_active Expired - Fee Related
-
2000
- 2000-01-07 US US09/479,147 patent/US6205774B1/en not_active Expired - Lifetime
- 2000-01-10 IT IT2000RM000011A patent/IT1315794B1/it active
- 2000-01-11 GB GB0000538A patent/GB2345972B/en not_active Expired - Fee Related
- 2000-01-13 FR FR0000385A patent/FR2788601B1/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB2345972A (en) | 2000-07-26 |
GB0000538D0 (en) | 2000-03-01 |
GB2345972B (en) | 2000-12-20 |
ITRM20000011A0 (it) | 2000-01-10 |
FR2788601A1 (fr) | 2000-07-21 |
IT1315794B1 (it) | 2003-03-26 |
US6205774B1 (en) | 2001-03-27 |
ITRM20000011A1 (it) | 2001-07-10 |
DE19901066C1 (de) | 2000-08-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |
Effective date: 20060929 |