DE69519274D1 - System zur Überwachung der Leistungsfähigkeit eines Katalysators, insbesondere für Kraftfahrzeuge - Google Patents
System zur Überwachung der Leistungsfähigkeit eines Katalysators, insbesondere für KraftfahrzeugeInfo
- Publication number
- DE69519274D1 DE69519274D1 DE69519274T DE69519274T DE69519274D1 DE 69519274 D1 DE69519274 D1 DE 69519274D1 DE 69519274 T DE69519274 T DE 69519274T DE 69519274 T DE69519274 T DE 69519274T DE 69519274 D1 DE69519274 D1 DE 69519274D1
- Authority
- DE
- Germany
- Prior art keywords
- monitoring
- performance
- motor vehicles
- catalytic converter
- catalytic
- 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
- 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
- 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
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/04—Methods of control or diagnosing
- F01N2900/0421—Methods of control or diagnosing using an increment counter when a predetermined event occurs
-
- 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
- F01N2900/04—Methods of control or diagnosing
- F01N2900/0422—Methods of control or diagnosing measuring the elapsed time
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B1/00—Engines characterised by fuel-air mixture compression
- F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
- F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder
-
- 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)
- Combined Controls Of Internal Combustion Engines (AREA)
- Testing Of Engines (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT94TO000980A IT1267637B1 (it) | 1994-11-30 | 1994-11-30 | Sistema di monitoraggio dell'efficienza di un catalizzatore, particolarmente per autoveicoli. |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69519274D1 true DE69519274D1 (de) | 2000-12-07 |
DE69519274T2 DE69519274T2 (de) | 2001-03-01 |
Family
ID=11412943
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69519274T Expired - Lifetime DE69519274T2 (de) | 1994-11-30 | 1995-11-21 | System zur Überwachung der Leistungsfähigkeit eines Katalysators, insbesondere für Kraftfahrzeuge |
Country Status (6)
Country | Link |
---|---|
US (1) | US5715678A (de) |
EP (1) | EP0715063B1 (de) |
BR (1) | BR9505327A (de) |
DE (1) | DE69519274T2 (de) |
ES (1) | ES2153006T3 (de) |
IT (1) | IT1267637B1 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19606652B4 (de) * | 1996-02-23 | 2004-02-12 | Robert Bosch Gmbh | Verfahren der Einstellung des Kraftstoff-Luftverhältnisses für eine Brennkraftmaschine mit nachgeschaltetem Katalysator |
US5842339A (en) * | 1997-02-26 | 1998-12-01 | Motorola Inc. | Method for monitoring the performance of a catalytic converter |
US5916294A (en) * | 1997-07-31 | 1999-06-29 | Motorola Inc. | System and method for estimating tailpipe a emissions in a vehicle |
US5941928A (en) * | 1997-07-31 | 1999-08-24 | Motorola Inc. | System and method for measuring hydrocarbon conversion efficiency of a catalytic converter |
FR2808561B1 (fr) * | 2000-05-05 | 2002-07-19 | Sagem | Dispositif et procede de detection de la degradation d'un convertisseur catalytique |
JP2003193898A (ja) * | 2001-12-25 | 2003-07-09 | Honda Motor Co Ltd | 内燃機関の排気ガス浄化装置の劣化判別装置 |
US6581371B1 (en) * | 2002-02-20 | 2003-06-24 | Ford Global Technologies, Inc. | Engine catalyst monitor |
EP2042715B1 (de) * | 2007-09-26 | 2010-12-08 | Magneti Marelli S.p.A. | Steuerverfahren für das Mischverhältnis in einem Mehrzylinder-Verbrennungsmotor mit mindestens zwei vor einem Katalysator befindlichen Lambdasonden |
JP4747156B2 (ja) * | 2007-12-06 | 2011-08-17 | 日立オートモティブシステムズ株式会社 | 排気浄化装置の診断装置 |
JP4995800B2 (ja) * | 2008-10-29 | 2012-08-08 | 日本特殊陶業株式会社 | 窒素酸化物浄化触媒の異常検出方法および装置 |
DE102009028325A1 (de) * | 2009-08-07 | 2011-02-10 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Detektion von Schwingungen |
DE102010027983B4 (de) * | 2010-04-20 | 2022-03-10 | Robert Bosch Gmbh | Verfahren zum Betreiben einer Brennkraftmaschine zum Abgleich einer Abgassonde |
DE102014201138B4 (de) | 2013-03-28 | 2015-10-15 | Ford Global Technologies, Llc | Verfahren zur Erkennung von fehlerhaften Sensoren in einem Abgasstrang eines Kraftfahrzeugs und Kraftfahrzeug geeignet zur Ausführung dieses Verfahrens |
DE102014019642A1 (de) | 2014-12-31 | 2016-06-30 | Audi Ag | Verfahren zum Betreiben einer Abgasreinigungseinrichtung sowie entsprechende Abgasreinigungseinrichtung |
DE102018222249B4 (de) * | 2018-12-19 | 2021-03-11 | Vitesco Technologies GmbH | Verfahren und Vorrichtung zur Diagnose eines im Abgassystem einer benzinbetriebenen Brennkraftmaschine angeordneten Partikelfilters |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5228335A (en) * | 1991-02-25 | 1993-07-20 | The United States Of America As Represented By The United States Environmental Protection Agency | Method and apparatus for detection of catalyst failure on-board a motor vehicle using a dual oxygen sensor and an algorithm |
US5099647A (en) * | 1991-06-28 | 1992-03-31 | Ford Motor Company | Combined engine air/fuel control and catalyst monitoring |
JP3303981B2 (ja) * | 1991-12-20 | 2002-07-22 | 株式会社日立製作所 | エンジン排気ガス浄化装置の診断装置 |
IT1257100B (it) * | 1992-09-14 | 1996-01-05 | Fiat Auto Spa | Sistema di monitoraggio dell'efficienza di un catalizzatore, particolarmente per autoveicoli. |
-
1994
- 1994-11-30 IT IT94TO000980A patent/IT1267637B1/it active IP Right Grant
-
1995
- 1995-11-21 EP EP95118278A patent/EP0715063B1/de not_active Expired - Lifetime
- 1995-11-21 ES ES95118278T patent/ES2153006T3/es not_active Expired - Lifetime
- 1995-11-21 DE DE69519274T patent/DE69519274T2/de not_active Expired - Lifetime
- 1995-11-28 US US08/564,872 patent/US5715678A/en not_active Expired - Lifetime
- 1995-11-29 BR BR9505327A patent/BR9505327A/pt not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0715063B1 (de) | 2000-11-02 |
US5715678A (en) | 1998-02-10 |
EP0715063A3 (de) | 1996-06-19 |
BR9505327A (pt) | 1997-10-28 |
DE69519274T2 (de) | 2001-03-01 |
IT1267637B1 (it) | 1997-02-07 |
ES2153006T3 (es) | 2001-02-16 |
ITTO940980A0 (it) | 1994-11-30 |
EP0715063A2 (de) | 1996-06-05 |
ITTO940980A1 (it) | 1996-05-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69301648D1 (de) | System zur Überwachung der Leistungsfähigkeit eines Katalysators, insbesondere für Kraftfahrzeuge | |
DE69519274D1 (de) | System zur Überwachung der Leistungsfähigkeit eines Katalysators, insbesondere für Kraftfahrzeuge | |
DE59401951D1 (de) | Radbremse für fahrzeuge, insbesondere für kraftfahrzeuge | |
DE59506899D1 (de) | Wischarm, insbesondere für kraftfahrzeuge | |
DE59710825D1 (de) | Abgasanlage für ein Kraftfahrzeug sowie Kraftfahrzeug | |
DE59508052D1 (de) | Bremsanlage mit einem hydrodynamischen Retarder, insbesondere für ein Kraftfahrzeug | |
DE59507814D1 (de) | Bremsanlage mit einem hydrodynamischen Retarder, insbesondere für Kraftfahrzeuge | |
DE19580720T1 (de) | Überbrückungskupplung, insbesondere für Kraftfahrzeuge | |
DE69504460D1 (de) | Dämpfungsschwingrad, insbesondere für kraftfahrzeuge | |
DE59501071D1 (de) | Hydraulische bremsanlage für ein kraftfahrzeug, insbesondere personenkraftwagen, mit einer blockierschutzeinrichtung | |
DE69420262D1 (de) | Metallischer wabenkörper für katalysator für autos und methode zu dessen herstellung | |
DE59510327D1 (de) | Hydraulische bremsanlage für kraftfahrzeuge | |
DE59506172D1 (de) | Wischarm für eine scheibenwischeranlage, insbesondere für kraftfahrzeuge | |
DE59804698D1 (de) | Abgaskatalysator, insbesondere für kraftfahrzeuge und verfahren zu seiner herstellung | |
DE59306686D1 (de) | Abgaskatalysator, insbesondere für Automobile | |
DE69511069D1 (de) | Drehschwingungstilger, insbesondere für kraftfahrzeuge | |
DE69711500D1 (de) | Radnabenkonstruktion,insbesondere für ein Fahrzeug | |
DE69502205D1 (de) | Wischerblatt für den Scheibenwischer eines Kraftfahrzeugs | |
DE69502831D1 (de) | System zur überwachung der wirksamkeit eines kraftfahrzeugkatalysators | |
DE59705809D1 (de) | Radkonstruktion, insbesondere für automobile | |
DE59905584D1 (de) | Schliessystem, insbesondere für kraftfahrzeuge | |
DE59407812D1 (de) | Druckdichter wandler für kraftfahrzeuge | |
DE59808976D1 (de) | Schliesssystem, insbesondere für Kraftfahrzeuge | |
DE69504571D1 (de) | Getriebemotor, insbesondere für eine Fahrzeugscheibenwischeranlage | |
DE59710281D1 (de) | Bremssattel, insbesondere für kraftfahrzeuge |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |