SE9403770D0 - Förfarande och anordning för bedömning av funktionstillståndet hos en katalysator - Google Patents

Förfarande och anordning för bedömning av funktionstillståndet hos en katalysator

Info

Publication number
SE9403770D0
SE9403770D0 SE9403770A SE9403770A SE9403770D0 SE 9403770 D0 SE9403770 D0 SE 9403770D0 SE 9403770 A SE9403770 A SE 9403770A SE 9403770 A SE9403770 A SE 9403770A SE 9403770 D0 SE9403770 D0 SE 9403770D0
Authority
SE
Sweden
Prior art keywords
catalytic converter
judging
assessing
catalyst
state
Prior art date
Application number
SE9403770A
Other languages
English (en)
Other versions
SE9403770L (sv
SE514056C2 (sv
Inventor
Eberhard Schnaibel
Erich Schneider
Frank Blischke Hohenheimer
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 SE9403770D0 publication Critical patent/SE9403770D0/sv
Publication of SE9403770L publication Critical patent/SE9403770L/sv
Publication of SE514056C2 publication Critical patent/SE514056C2/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
    • 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
    • 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
    • F02D41/1473—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation method
    • F02D41/1474—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation method by detecting the commutation time of the sensor
    • 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)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Testing Of Engines (AREA)
SE9403770A 1993-11-05 1994-11-03 Förfarande jämte anordning för bedömning av funktionstillståndet hos en katalysator SE514056C2 (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4337793A DE4337793C2 (de) 1993-11-05 1993-11-05 Verfahren und Vorrichtung zum Beurteilen des Funktionszustandes eines Katalysators

Publications (3)

Publication Number Publication Date
SE9403770D0 true SE9403770D0 (sv) 1994-11-03
SE9403770L SE9403770L (sv) 1995-05-06
SE514056C2 SE514056C2 (sv) 2000-12-18

Family

ID=6501891

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9403770A SE514056C2 (sv) 1993-11-05 1994-11-03 Förfarande jämte anordning för bedömning av funktionstillståndet hos en katalysator

Country Status (4)

Country Link
US (1) US5553450A (sv)
JP (1) JP3638319B2 (sv)
DE (1) DE4337793C2 (sv)
SE (1) SE514056C2 (sv)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5857163A (en) * 1995-12-12 1999-01-05 General Motors Corporation Adaptive engine control responsive to catalyst deterioration estimation
JP3887903B2 (ja) * 1997-09-02 2007-02-28 株式会社デンソー 内燃機関の空燃比制御装置
WO1999023369A1 (en) * 1997-11-03 1999-05-14 Engelhard Corporation Apparatus and method for diagnosis of catalyst performance
US6026639A (en) * 1997-11-03 2000-02-22 Engelhard Corporation Apparatus and method for diagnosis of catalyst performance
US6006153A (en) * 1998-10-22 1999-12-21 Chrysler Corporation Discrete processing catalyst monitoring
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
US7741127B2 (en) * 2001-08-06 2010-06-22 Southwest Research Institute Method for producing diesel exhaust with particulate material for testing diesel engine aftertreatment devices
US20040007056A1 (en) * 2001-08-06 2004-01-15 Webb Cynthia C. Method for testing catalytic converter durability
US20050042763A1 (en) * 2002-08-06 2005-02-24 Southwest Research Institute Testing using diesel exhaust produced by a non-engine based test system
US7175422B2 (en) * 2001-08-06 2007-02-13 Southwest Research Institute Method for accelerated aging of catalytic converters incorporating injection of volatilized lubricant
US6983645B2 (en) * 2002-08-06 2006-01-10 Southwest Research Institute Method for accelerated aging of catalytic converters incorporating engine cold start simulation
EP1415111A4 (en) * 2001-08-06 2006-07-05 Southwest Res Inst METHOD AND DEVICE FOR CONTROLLING THE POTENTIALITY OF THE DURATION OF A CATALYTIC CONVERTER
US7212926B2 (en) * 2002-08-06 2007-05-01 Southwest Research Institute Testing using a non-engine based test system and exhaust product comprising alternative fuel exhaust
US7412335B2 (en) * 2002-08-06 2008-08-12 Southwest Research Institute Component evaluations using non-engine based test system
US7299137B2 (en) * 2002-08-06 2007-11-20 Southwest Research Institute Method for drive cycle simulation using non-engine based test system
DE10254477B3 (de) * 2002-11-21 2004-06-24 Siemens Ag Prüfverfahren für einen Abgaskatalysator und eine entsprechende Prüfeinrichtung
WO2004059151A1 (de) * 2002-12-30 2004-07-15 Volkswagen Ag Verfahren und vorrichtung zur einstellung eines kraftstoff/luftverhältnisses für eine brennkraftmaschine
DE10310672B4 (de) * 2002-12-30 2016-02-11 Volkswagen Ag Verfahren und Vorrichtung zur Einstellung eines Kraftstoff-/Luftverhältnisses für eine Brennkraftmaschine
DE102004043535B4 (de) * 2004-09-08 2007-08-30 Siemens Ag Verfahren zur Diagnose von zylinderbezogenen Einzelkatalysatoren einer Otto-Mehrzylinder-Brennkraftmaschine
JP5182859B2 (ja) * 2007-01-29 2013-04-17 株式会社ステップテクニカ 評価装置及び評価システム
US7856868B2 (en) * 2007-05-17 2010-12-28 Chrysler Group Llc Method and system for determining the feasibility of an automotive exhaust catalyst
DE102010027983B4 (de) * 2010-04-20 2022-03-10 Robert Bosch Gmbh Verfahren zum Betreiben einer Brennkraftmaschine zum Abgleich einer Abgassonde
JP2013014278A (ja) * 2011-07-06 2013-01-24 Yamaha Motor Co Ltd 水ジェット推進艇

Family Cites Families (3)

* 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.
DE3443649A1 (de) * 1984-11-30 1986-06-05 Daimler-Benz Ag, 7000 Stuttgart Verfahren zur ueberpruefung der katalysatorfunktion bei einem mit (lambda)-sonden-regelung ausgeruesteten kraftfahrzeug-otto-motor
US5159810A (en) * 1991-08-26 1992-11-03 Ford Motor Company Catalytic converter monitoring using downstream oxygen sensor

Also Published As

Publication number Publication date
DE4337793C2 (de) 2002-08-14
US5553450A (en) 1996-09-10
SE9403770L (sv) 1995-05-06
JP3638319B2 (ja) 2005-04-13
SE514056C2 (sv) 2000-12-18
JPH07198543A (ja) 1995-08-01
DE4337793A1 (de) 1995-05-11

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