SE514628C2 - Förfarande för bedömning av en i en förbränningsmotors avgassystem anordnad katalysators funktionsförmåga - Google Patents

Förfarande för bedömning av en i en förbränningsmotors avgassystem anordnad katalysators funktionsförmåga

Info

Publication number
SE514628C2
SE514628C2 SE9702245A SE9702245A SE514628C2 SE 514628 C2 SE514628 C2 SE 514628C2 SE 9702245 A SE9702245 A SE 9702245A SE 9702245 A SE9702245 A SE 9702245A SE 514628 C2 SE514628 C2 SE 514628C2
Authority
SE
Sweden
Prior art keywords
catalyst
value
oxygen
process according
signal
Prior art date
Application number
SE9702245A
Other languages
English (en)
Swedish (sv)
Other versions
SE9702245L (sv
SE9702245D0 (sv
Inventor
Erich Schneider
Original Assignee
Bosch Gmbh Robert
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 Bosch Gmbh Robert filed Critical Bosch Gmbh Robert
Publication of SE9702245D0 publication Critical patent/SE9702245D0/xx
Publication of SE9702245L publication Critical patent/SE9702245L/xx
Publication of SE514628C2 publication Critical patent/SE514628C2/sv

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
    • 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)
  • Testing Of Engines (AREA)
  • Exhaust Silencers (AREA)
SE9702245A 1996-06-12 1997-06-12 Förfarande för bedömning av en i en förbränningsmotors avgassystem anordnad katalysators funktionsförmåga SE514628C2 (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19623335A DE19623335C1 (de) 1996-06-12 1996-06-12 Verfahren zur Beurteilung der Funktionsfähigkeit eines im Abgassystem eines Verbrennungsmotors angeordneten Katalysators

Publications (3)

Publication Number Publication Date
SE9702245D0 SE9702245D0 (sv) 1997-06-12
SE9702245L SE9702245L (sv) 1997-12-13
SE514628C2 true SE514628C2 (sv) 2001-03-26

Family

ID=7796669

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9702245A SE514628C2 (sv) 1996-06-12 1997-06-12 Förfarande för bedömning av en i en förbränningsmotors avgassystem anordnad katalysators funktionsförmåga

Country Status (4)

Country Link
US (1) US5987883A (ja)
JP (1) JP3940202B2 (ja)
DE (1) DE19623335C1 (ja)
SE (1) SE514628C2 (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6151888A (en) * 1996-06-12 2000-11-28 Robert Bosch Gmbh Method of diagnosing a catalytic converter
IT1303763B1 (it) * 1997-11-22 2001-02-23 Bosch Gmbh Robert Procedimento di diagnosi per catalizzatori
DE19752965C2 (de) * 1997-11-28 2002-06-13 Siemens Ag Verfahren zur Überwachung des Abgasreinigungssystems einer fremdgezündeten Brennkraftmaschine
CA2322915C (en) * 1999-10-12 2004-12-14 Honda Giken Kogyo Kabushiki Kaisha Exhaust emission control system for internal combustion engine
DE10065123B4 (de) * 2000-12-28 2012-12-20 Robert Bosch Gmbh Verfahren zur Steuerung einer Diagnose eines Katalysators im Abgas eines Verbrennungsmotors
DE10218015A1 (de) * 2002-04-23 2003-11-06 Bosch Gmbh Robert Verfahren und Vorrichtung zur Diagnose eines Katalysators
DE102004021372B4 (de) * 2004-04-30 2014-05-28 Robert Bosch Gmbh Verfahren zum Dosieren eines Reagenzmittels zur Reinigung des Abgases von Brennkraftmaschinen und Vorrichtung zur Durchführung des Verfahrens
JP4215050B2 (ja) * 2005-12-15 2009-01-28 トヨタ自動車株式会社 内燃機関の排気浄化システム
DE102007059772B4 (de) * 2007-12-12 2014-06-26 Audi Ag Verfahren zur Bestimmung der Sauerstoffspeicherkapazität eines Katalysators für ein Kraftfahrzeug sowie zugehörige Messeinrichtung
DE102008038678B4 (de) * 2008-08-12 2012-03-08 Continental Automotive Gmbh Verfahren und Vorrichtung zum Schätzen einer Emission mindestens einer Abgaskomponente

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH668620A5 (de) * 1984-04-12 1989-01-13 Daimler Benz Ag Verfahren zur ueberpruefung und justierung von katalytischen abgasreinigungsanlagen von verbrennungsmotoren.
DE3830515A1 (de) * 1988-09-08 1990-03-22 Bayerische Motoren Werke Ag Verfahren zur ueberpruefung der funktion des abgaskatalysators einer brennkraftmaschine
JP2600987B2 (ja) * 1990-07-09 1997-04-16 日産自動車株式会社 空燃比制御装置の診断装置
DE4039429A1 (de) * 1990-12-11 1992-06-17 Abb Patent Gmbh Verfahren und vorrichtung zur ueberpruefung eines katalysators
JP2960576B2 (ja) * 1991-06-28 1999-10-06 マツダ株式会社 エンジンの排気浄化装置
US5363091A (en) * 1991-08-07 1994-11-08 Ford Motor Company Catalyst monitoring using ego sensors
DE4128823C2 (de) * 1991-08-30 2000-06-29 Bosch Gmbh Robert Verfahren und Vorrichtung zum Bestimmen des Speichervermögens eines Katalysators
DE4228536A1 (de) * 1992-08-27 1994-03-03 Roth Technik Gmbh Verfahren zur Überwachung der Funktionsfähigkeit von Katalysatoren in Abgasanlagen
GB9315918D0 (en) * 1993-07-31 1993-09-15 Lucas Ind Plc Method of and apparatus for monitoring operation of a catalyst
US5404718A (en) * 1993-09-27 1995-04-11 Ford Motor Company Engine control system
US5390490A (en) * 1993-11-04 1995-02-21 Ford Motor Company Method and apparatus for measuring the efficacy of a catalytic converter
DE4441432A1 (de) * 1994-11-22 1996-05-23 Roth Technik Gmbh Anordnung zur Überwachung der Funktionsfähigkeit von Katalysatoren und/oder Lambda-Sonden

Also Published As

Publication number Publication date
JP3940202B2 (ja) 2007-07-04
DE19623335C1 (de) 1997-08-28
SE9702245L (sv) 1997-12-13
US5987883A (en) 1999-11-23
SE9702245D0 (sv) 1997-06-12
JPH1068314A (ja) 1998-03-10

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