ES2092423A1 - Procedimiento y dispositivo para determinar la capacidad de acumulacion de un catalizador. - Google Patents

Procedimiento y dispositivo para determinar la capacidad de acumulacion de un catalizador.

Info

Publication number
ES2092423A1
ES2092423A1 ES09201784A ES9201784A ES2092423A1 ES 2092423 A1 ES2092423 A1 ES 2092423A1 ES 09201784 A ES09201784 A ES 09201784A ES 9201784 A ES9201784 A ES 9201784A ES 2092423 A1 ES2092423 A1 ES 2092423A1
Authority
ES
Spain
Prior art keywords
catalytic converter
storage capacity
determining
lean
rich
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.)
Granted
Application number
ES09201784A
Other languages
English (en)
Other versions
ES2092423B1 (es
Inventor
Frank Blischke
Erich Schneider
Eberhard Schnaibel
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 ES2092423A1 publication Critical patent/ES2092423A1/es
Application granted granted Critical
Publication of ES2092423B1 publication Critical patent/ES2092423B1/es
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion
    • 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)
  • Health & Medical Sciences (AREA)
  • Toxicology (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)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

Abstract

PROCEDIMIENTO Y DISPOSITIVO PARA DETERMINAR LA CAPACIDAD DE ACUMULACION DE UN CATALIZADOR CON AYUDA DE SEÑALES LA_V Y LA_H DE EN CADA CASO UNA SONDA INDICADORA DEL OXIGENO, DELANTE Y DETRAS RESPECTIVAMENTE DEL CATALIZADOR, QUE INDICAN EL CAMBIO DE MEZCLA RICA A MEZCLA POBRE, Y VICEVERSA, QUE SE CARACTERIZA PORQUE SE REALIZA UNA SUMA SOBRE VALORES DISCRETOS DE LA MAGNITUD K3.A LA_V (T).LM(T) FORMANDOSE ESTOS VALORES A LA DISTANCIA DE UN INTERVALO DE TIEMPO DE EXPLORACION FIJO T_AT Y DETERMINANDOSE EL NUMERO N DE LOS SUMANDOS COMO NUMERO ENTERO DE LA FRACCION T_S/T_AT.
ES09201784A 1991-08-30 1992-08-28 Procedimiento y dispositivo para determinar la capacidad de acumulacion de un catalizador. Expired - Fee Related ES2092423B1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4128823A DE4128823C2 (de) 1991-08-30 1991-08-30 Verfahren und Vorrichtung zum Bestimmen des Speichervermögens eines Katalysators

Publications (2)

Publication Number Publication Date
ES2092423A1 true ES2092423A1 (es) 1996-11-16
ES2092423B1 ES2092423B1 (es) 1997-06-01

Family

ID=6439485

Family Applications (1)

Application Number Title Priority Date Filing Date
ES09201784A Expired - Fee Related ES2092423B1 (es) 1991-08-30 1992-08-28 Procedimiento y dispositivo para determinar la capacidad de acumulacion de un catalizador.

Country Status (5)

Country Link
US (1) US5335538A (es)
JP (1) JP3325919B2 (es)
KR (1) KR100260069B1 (es)
DE (1) DE4128823C2 (es)
ES (1) ES2092423B1 (es)

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JPH0941948A (ja) * 1995-07-26 1997-02-10 Toyota Motor Corp 内燃機関の触媒劣化判別装置
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DE19606652B4 (de) * 1996-02-23 2004-02-12 Robert Bosch Gmbh Verfahren der Einstellung des Kraftstoff-Luftverhältnisses für eine Brennkraftmaschine mit nachgeschaltetem Katalysator
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Patent Citations (5)

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Also Published As

Publication number Publication date
DE4128823A1 (de) 1993-03-04
JP3325919B2 (ja) 2002-09-17
DE4128823C2 (de) 2000-06-29
KR100260069B1 (ko) 2000-07-01
US5335538A (en) 1994-08-09
KR930004622A (ko) 1993-03-22
ES2092423B1 (es) 1997-06-01
JPH05209510A (ja) 1993-08-20

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