ES2074793T3 - Procedimiento y dispositivo para la determinacion de la capacidad de conversion de un catalizador. - Google Patents

Procedimiento y dispositivo para la determinacion de la capacidad de conversion de un catalizador.

Info

Publication number
ES2074793T3
ES2074793T3 ES92118866T ES92118866T ES2074793T3 ES 2074793 T3 ES2074793 T3 ES 2074793T3 ES 92118866 T ES92118866 T ES 92118866T ES 92118866 T ES92118866 T ES 92118866T ES 2074793 T3 ES2074793 T3 ES 2074793T3
Authority
ES
Spain
Prior art keywords
catalyst
procedure
determination
conversion capacity
successive
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
Application number
ES92118866T
Other languages
English (en)
Inventor
Eberhard Dipl-Ing Schnaibel
Erich Dipl-Ing Schneider
Lutz Dipl-Phys Reuschenbach
Frank Dr Dr-Ing Blischke
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
Application granted granted Critical
Publication of ES2074793T3 publication Critical patent/ES2074793T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1439—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the position of the sensor
    • F02D41/1441—Plural sensors
    • 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)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)

Abstract

SE PRESENTA UN PROCEDIMIENTO Y UN DISPOSITIVO PARA EL DIAGNOSTICO A BORDO DE CATALIZADORES. PARA ELLO SE DESPLAZA A PROPOSITO EL VALOR LAMBDA DE LA MEZCLA, Y SE APROVECHA LA REACCION ESCALONADA DE UNA SONDA LAMBDA DISPUESTA DETRAS DEL CATALIZADOR CON EL FIN DE DETECTAR LA MAGNITUD DEL VALOR MEDIO DEL DESPLAZAMIENTO, EN EL QUE LA REDUCCION SUCESIVA DE OXIGENO O EXCESO DE OXIGENO EN EL CATALIZADOR, ESTA POR DEBAJO DE SU CAPACIDAD DE ALMACENAMIENTO DE OXIGENO.
ES92118866T 1991-12-10 1992-11-04 Procedimiento y dispositivo para la determinacion de la capacidad de conversion de un catalizador. Expired - Lifetime ES2074793T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4140618A DE4140618A1 (de) 1991-12-10 1991-12-10 Verfahren und vorrichtung zur ermittlung der konvertierungsfaehigkeit eines katalysators

Publications (1)

Publication Number Publication Date
ES2074793T3 true ES2074793T3 (es) 1995-09-16

Family

ID=6446662

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92118866T Expired - Lifetime ES2074793T3 (es) 1991-12-10 1992-11-04 Procedimiento y dispositivo para la determinacion de la capacidad de conversion de un catalizador.

Country Status (5)

Country Link
US (1) US5317868A (es)
EP (1) EP0546318B1 (es)
JP (1) JP3298951B2 (es)
DE (2) DE4140618A1 (es)
ES (1) ES2074793T3 (es)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3266699B2 (ja) 1993-06-22 2002-03-18 株式会社日立製作所 触媒の評価方法及び触媒効率制御方法ならびにＮＯｘ浄化触媒評価装置
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
DE19680908B4 (de) * 1995-10-18 2007-01-04 Robert Bosch Gmbh Verfahren und Vorrichtung zum Erfassen und Dokumentieren von Katalysatorschäden
US5845489A (en) * 1995-11-08 1998-12-08 Denso Corporation Abnormality detector for air-fuel ratio control system
DE19545693C2 (de) * 1995-12-07 1999-03-25 Mannesmann Vdo Ag Verfahren zur Überprüfung des Wirkungsgrades eines Katalysators in einer Brennkraftmaschine
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
US6003307A (en) * 1998-02-06 1999-12-21 Engelhard Corporation OBD calorimetric sensor system with offset error correction
US5996337A (en) * 1998-02-06 1999-12-07 Engelhard Corporation Dynamic calorimetric sensor system
DE19817650C2 (de) * 1998-04-21 2002-05-08 Ford Werke Ag Verfahren und Vorrichtung zur Regelung der Temperatur einer Abgasbehandlungsanordnung
DE19851564C2 (de) * 1998-11-09 2000-08-24 Siemens Ag Verfahren zum Betreiben und Überprüfen eines NOx-Speicherreduktionskatalysators einer Mager-Brennkraftmaschine
DE19852294A1 (de) 1998-11-12 2000-05-18 Bayerische Motoren Werke Ag Abgasanlage einer Mehrzylinder-Brennkraftmaschine
DE19910336A1 (de) * 1999-03-09 2000-09-21 Porsche Ag Verfahren zur Überprüfung der Funktion von Katalysatoren in Brennkraftmaschinen
JP2001295634A (ja) * 2000-04-12 2001-10-26 Mitsubishi Motors Corp 排気浄化装置
DE10053629A1 (de) * 2000-10-28 2002-05-02 Bayerische Motoren Werke Ag Steuerverfahren für einen Verbrennungsmotor mit einem Abgas-Katalysator
DE10260721A1 (de) * 2002-12-23 2004-07-29 Volkswagen Ag Verfahren und Vorrichtung zur Diagnose der dynamischen Eigenschaften einer zur zylinderindividuellen Lambdaregelung verwendeten Lambdasonde
WO2004059151A1 (de) * 2002-12-30 2004-07-15 Volkswagen Ag Verfahren und vorrichtung zur einstellung eines kraftstoff/luftverhältnisses für eine brennkraftmaschine
DE10333337B4 (de) * 2003-06-30 2010-09-16 Volkswagen Ag Verfahren und Vorrichtung zur Diagnose eines Katalysatorsystems
DE102005012950B4 (de) * 2005-03-21 2019-03-21 Robert Bosch Gmbh Verfahren und Vorrichtung zur Steuerung einer Brennkraftmaschine
DE102005045888B3 (de) * 2005-09-26 2006-09-14 Siemens Ag Vorrichtung zum Betreiben einer Brennkraftmaschine
DE102005059894B4 (de) 2005-12-15 2019-07-25 Robert Bosch Gmbh Verfahren zur Messung der Sauerstoffspeicherfähigkeit einer Abgasreinigungsanlage
US8065871B1 (en) 2007-01-02 2011-11-29 Cummins Ip, Inc Apparatus, system, and method for real-time diagnosis of a NOx-adsorption catalyst
DE102009058780B3 (de) 2009-12-18 2011-03-24 Continental Automotive Gmbh Verfahren und Vorrichtung zum Betreiben einer Brennkraftmaschine
DE102010027983B4 (de) * 2010-04-20 2022-03-10 Robert Bosch Gmbh Verfahren zum Betreiben einer Brennkraftmaschine zum Abgleich einer Abgassonde
CN102650229B (zh) * 2011-02-24 2013-10-30 上海通用汽车有限公司 三元催化器的氧存储能力检测方法和检测装置
US8756922B2 (en) 2011-06-10 2014-06-24 Cummins Ip, Inc. NOx adsorber catalyst condition evaluation apparatus and associated methods

Family Cites Families (4)

* 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.
DE3816558A1 (de) * 1988-05-14 1989-11-16 Bosch Gmbh Robert Verfahren und vorrichtung zur lambdaregelung
US5224345A (en) * 1988-11-09 1993-07-06 Robert Bosch Gmbh Method and arrangement for lambda control
DE4009901A1 (de) * 1990-03-28 1991-10-02 Bosch Gmbh Robert Verfahren und vorrichtung zur ueberwachung des konvertierungsgrades eines katalysators im abgassystem einer brennkraftmaschine

Also Published As

Publication number Publication date
US5317868A (en) 1994-06-07
JP3298951B2 (ja) 2002-07-08
EP0546318A1 (de) 1993-06-16
DE4140618A1 (de) 1993-06-17
EP0546318B1 (de) 1995-07-12
JPH05248228A (ja) 1993-09-24
DE59202872D1 (de) 1995-08-17

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