ITTO940980A0 - Sistema di monitoraggio dell'efficienza di un catalizzatore, particolarmente per autoveicoli. - Google Patents

Sistema di monitoraggio dell'efficienza di un catalizzatore, particolarmente per autoveicoli.

Info

Publication number
ITTO940980A0
ITTO940980A0 ITTO940980A ITTO940980A ITTO940980A0 IT TO940980 A0 ITTO940980 A0 IT TO940980A0 IT TO940980 A ITTO940980 A IT TO940980A IT TO940980 A ITTO940980 A IT TO940980A IT TO940980 A0 ITTO940980 A0 IT TO940980A0
Authority
IT
Italy
Prior art keywords
catalyst
monitoring
efficiency
motor vehicles
vehicles
Prior art date
Application number
ITTO940980A
Other languages
English (en)
Inventor
Antonino Aronica
Claudio Carnevale
Marco Ciasullo
Original Assignee
Fiat Ricerche
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fiat Ricerche filed Critical Fiat Ricerche
Priority to IT94TO000980A priority Critical patent/IT1267637B1/it
Publication of ITTO940980A0 publication Critical patent/ITTO940980A0/it
Priority to DE69519274T priority patent/DE69519274T2/de
Priority to ES95118278T priority patent/ES2153006T3/es
Priority to EP95118278A priority patent/EP0715063B1/en
Priority to US08/564,872 priority patent/US5715678A/en
Priority to BR9505327A priority patent/BR9505327A/pt
Publication of ITTO940980A1 publication Critical patent/ITTO940980A1/it
Application granted granted Critical
Publication of IT1267637B1 publication Critical patent/IT1267637B1/it

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)
IT94TO000980A 1994-11-30 1994-11-30 Sistema di monitoraggio dell'efficienza di un catalizzatore, particolarmente per autoveicoli. IT1267637B1 (it)

Priority Applications (6)

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.
DE69519274T DE69519274T2 (de) 1994-11-30 1995-11-21 System zur Überwachung der Leistungsfähigkeit eines Katalysators, insbesondere für Kraftfahrzeuge
ES95118278T ES2153006T3 (es) 1994-11-30 1995-11-21 Sistema para detectar el grado de eficacia de un catalizador, en particular, para vehiculos a motor.
EP95118278A EP0715063B1 (en) 1994-11-30 1995-11-21 A system for monitoring the efficiency of a catalyser, particularly for motor vehicles
US08/564,872 US5715678A (en) 1994-11-30 1995-11-28 System for monitoring the efficiency of a catalyser, particularly for motor vehicles
BR9505327A BR9505327A (pt) 1994-11-30 1995-11-29 Sistema para a monitoração da eficiência de um catalisador particularmente para veículos

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 (3)

Publication Number Publication Date
ITTO940980A0 true ITTO940980A0 (it) 1994-11-30
ITTO940980A1 ITTO940980A1 (it) 1996-05-30
IT1267637B1 IT1267637B1 (it) 1997-02-07

Family

ID=11412943

Family Applications (1)

Application Number Title Priority Date Filing Date
IT94TO000980A IT1267637B1 (it) 1994-11-30 1994-11-30 Sistema di monitoraggio dell'efficienza di un catalizzatore, particolarmente per autoveicoli.

Country Status (6)

Country Link
US (1) US5715678A (it)
EP (1) EP0715063B1 (it)
BR (1) BR9505327A (it)
DE (1) DE69519274T2 (it)
ES (1) ES2153006T3 (it)
IT (1) IT1267637B1 (it)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
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 (en) * 2007-09-26 2010-12-08 Magneti Marelli S.p.A. Control method for mixture ratio in a multi-cylinder internal combustion engine equipped with at least two lambda sensors placed upstream of a catalytic converter
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)

* Cited by examiner, † Cited by third party
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.

Also Published As

Publication number Publication date
ITTO940980A1 (it) 1996-05-30
DE69519274T2 (de) 2001-03-01
IT1267637B1 (it) 1997-02-07
ES2153006T3 (es) 2001-02-16
EP0715063A3 (it) 1996-06-19
DE69519274D1 (de) 2000-12-07
EP0715063A2 (en) 1996-06-05
BR9505327A (pt) 1997-10-28
EP0715063B1 (en) 2000-11-02
US5715678A (en) 1998-02-10

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971129