JPH0626330A - 触媒状態判別方法および装置 - Google Patents

触媒状態判別方法および装置

Info

Publication number
JPH0626330A
JPH0626330A JP5065831A JP6583193A JPH0626330A JP H0626330 A JPH0626330 A JP H0626330A JP 5065831 A JP5065831 A JP 5065831A JP 6583193 A JP6583193 A JP 6583193A JP H0626330 A JPH0626330 A JP H0626330A
Authority
JP
Japan
Prior art keywords
catalyst
exhaust gas
signal
gas sensor
oxygen
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.)
Pending
Application number
JP5065831A
Other languages
English (en)
Japanese (ja)
Inventor
Frank Blischke
ブリシュケ フランク
Eberhard Schnaibel
シュナイベル エーベルハルト
Erich Schneider
シュナイダー エーリッヒ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of JPH0626330A publication Critical patent/JPH0626330A/ja
Pending legal-status Critical Current

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
    • F01N11/007—Monitoring or diagnostic devices for exhaust-gas treatment apparatus 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
    • F01N2900/0422—Methods of control or diagnosing measuring the elapsed time
    • 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)
JP5065831A 1992-04-03 1993-03-25 触媒状態判別方法および装置 Pending JPH0626330A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4211116.1 1992-04-03
DE4211116A DE4211116A1 (de) 1992-04-03 1992-04-03 Verfahren und Vorrichtung zur Katalysatorzustandserkennung

Publications (1)

Publication Number Publication Date
JPH0626330A true JPH0626330A (ja) 1994-02-01

Family

ID=6455919

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5065831A Pending JPH0626330A (ja) 1992-04-03 1993-03-25 触媒状態判別方法および装置

Country Status (4)

Country Link
JP (1) JPH0626330A (es)
DE (1) DE4211116A1 (es)
ES (1) ES2068751B1 (es)
IT (1) IT1263842B (es)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5845489A (en) * 1995-11-08 1998-12-08 Denso Corporation Abnormality detector for air-fuel ratio control system
DE102007025377B4 (de) * 2006-12-25 2010-01-14 Mitsubishi Electric Corp. Luft/Kraftstoff-Verhältnis-Steuervorrichtung für einen Verbrennungsmotor
DE102007025379B4 (de) * 2006-12-25 2010-03-04 Mitsubishi Electric Corp. Luftkraftstoffverhältnis-Steuervorrichtung für einen Verbrennungsmotor
US8045341B2 (en) 2006-11-24 2011-10-25 Fujitsu Limited Terminal and mobile terminal apparatus
JP5951068B1 (ja) * 2015-04-14 2016-07-13 三菱電機株式会社 内燃機関の空燃比制御装置および空燃比制御方法

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2998575B2 (ja) * 1994-10-20 2000-01-11 日産自動車株式会社 内燃機関の触媒劣化診断装置
DE4441432A1 (de) * 1994-11-22 1996-05-23 Roth Technik Gmbh Anordnung zur Überwachung der Funktionsfähigkeit von Katalysatoren und/oder Lambda-Sonden
DE19630940C2 (de) * 1996-07-31 1999-03-04 Siemens Ag Verfahren zur Überprüfung des Katalysatorwirkungsgrades
DE19801815A1 (de) * 1998-01-19 1999-07-22 Volkswagen Ag Mager-Regeneration von NOx-Speichern
DE19816175A1 (de) * 1998-04-14 1999-10-21 Degussa Verfahren zur Überprüfung der Funktionstüchtigkeit eines Stickoxid-Speicherkatalysators
US6244047B1 (en) * 1998-10-02 2001-06-12 Ford Global Technologies, Inc. Method of purging lean NOx trap
DE19850338C2 (de) 1998-11-02 2001-11-22 Heraeus Electro Nite Int Verfahren und Einrichtung zur Kontrolle und Beobachtung der Alterung eines Katalysators im Abgas von Verbrennungskraftmaschinen und des Schadstoffausstoßes
DE19913901C2 (de) * 1999-03-26 2001-10-18 Siemens Ag Verfahren zum Überprüfen der Funktionsfähigkeit eines Katalysators
DE10017931A1 (de) 2000-04-11 2001-12-06 Siemens Ag Verfahren zur Diagnose einer Abgasreinigungsanlage einer lambdageregelten Brennkraftmaschine
GB2399178B (en) * 2003-03-06 2006-06-07 Ford Global Tech Llc Method of accurately estimating air to fuel ratio
DE102005004670B4 (de) 2005-02-02 2007-05-24 Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr Verfahren zur Diagnose des Alterungsgrades eines im Abgaskanal einer Brennkraftmaschine angeordneten Katalysators
DE102005059894B4 (de) 2005-12-15 2019-07-25 Robert Bosch Gmbh Verfahren zur Messung der Sauerstoffspeicherfähigkeit einer Abgasreinigungsanlage
DE102009010021A1 (de) 2009-02-21 2010-09-02 Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr Simulationsmodell zur On-Bord-Diagnose des Alterungsgrades eines im Abgaskanal einer Brennkraftmaschine angeordneten Katalysators
DE102010031654B4 (de) 2010-07-22 2023-10-05 Robert Bosch Gmbh Verfahren zum Betreiben einer Brennkraftmaschine
DE102021102456B3 (de) 2021-02-03 2022-05-19 Audi Aktiengesellschaft Verfahren zum Betreiben einer Antriebseinrichtung sowie entsprechende Antriebseinrichtung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4007589A (en) * 1973-01-31 1977-02-15 Robert Bosch G.M.B.H. Internal combustion exhaust catalytic reactor monitoring system
CH668620A5 (de) * 1984-04-12 1989-01-13 Daimler Benz Ag Verfahren zur ueberpruefung und justierung von katalytischen abgasreinigungsanlagen von verbrennungsmotoren.
GB9003235D0 (en) * 1990-02-13 1990-04-11 Lucas Ind Plc Exhaust gas catalyst monitoring
JP2666530B2 (ja) * 1990-07-16 1997-10-22 トヨタ自動車株式会社 内燃機関の空燃比制御装置

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5845489A (en) * 1995-11-08 1998-12-08 Denso Corporation Abnormality detector for air-fuel ratio control system
US8045341B2 (en) 2006-11-24 2011-10-25 Fujitsu Limited Terminal and mobile terminal apparatus
DE102007025377B4 (de) * 2006-12-25 2010-01-14 Mitsubishi Electric Corp. Luft/Kraftstoff-Verhältnis-Steuervorrichtung für einen Verbrennungsmotor
DE102007025379B4 (de) * 2006-12-25 2010-03-04 Mitsubishi Electric Corp. Luftkraftstoffverhältnis-Steuervorrichtung für einen Verbrennungsmotor
US7779621B2 (en) 2006-12-25 2010-08-24 Mitsubishi Electric Corporation Air fuel ratio control apparatus for an internal combustion engine
US7779619B2 (en) 2006-12-25 2010-08-24 Mitsubishi Electric Corporation Air fuel ratio control apparatus for an internal combustion engine
JP5951068B1 (ja) * 2015-04-14 2016-07-13 三菱電機株式会社 内燃機関の空燃比制御装置および空燃比制御方法

Also Published As

Publication number Publication date
IT1263842B (it) 1996-09-04
ITMI930608A0 (it) 1993-03-30
DE4211116A1 (de) 1993-10-07
ES2068751A1 (es) 1995-04-16
ITMI930608A1 (it) 1994-09-30
ES2068751B1 (es) 1995-11-16

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