SE9502066D0 - Arrangement and method for determining the oxygen buffer capacity in a catalytic - Google Patents

Arrangement and method for determining the oxygen buffer capacity in a catalytic

Info

Publication number
SE9502066D0
SE9502066D0 SE9502066A SE9502066A SE9502066D0 SE 9502066 D0 SE9502066 D0 SE 9502066D0 SE 9502066 A SE9502066 A SE 9502066A SE 9502066 A SE9502066 A SE 9502066A SE 9502066 D0 SE9502066 D0 SE 9502066D0
Authority
SE
Sweden
Prior art keywords
determining
buffer capacity
pct
arrangement
input signal
Prior art date
Application number
SE9502066A
Other languages
English (en)
Other versions
SE505235C2 (sv
SE9502066L (sv
Inventor
Mats Laurell
Soeren Eriksson
Ronald Hedstroem
Ove Hjortsberg
Original Assignee
Volvo Ab
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 Volvo Ab filed Critical Volvo Ab
Priority to SE9502066A priority Critical patent/SE505235C2/sv
Publication of SE9502066D0 publication Critical patent/SE9502066D0/sv
Priority to EP96918960A priority patent/EP0830498B1/en
Priority to DE69617232T priority patent/DE69617232T2/de
Priority to US08/973,174 priority patent/US6119447A/en
Priority to PCT/SE1996/000724 priority patent/WO1996041071A1/en
Publication of SE9502066L publication Critical patent/SE9502066L/sv
Publication of SE505235C2 publication Critical patent/SE505235C2/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
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
    • F01N13/0097—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series the purifying devices are arranged in a single housing
    • 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)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
SE9502066A 1995-06-07 1995-06-07 Sätt och anordning för att bestämma syrebuffertkapaciteten i en katalytisk avgasrenare SE505235C2 (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE9502066A SE505235C2 (sv) 1995-06-07 1995-06-07 Sätt och anordning för att bestämma syrebuffertkapaciteten i en katalytisk avgasrenare
EP96918960A EP0830498B1 (en) 1995-06-07 1996-05-31 Arrangement and method for determining the oxygen buffer capacity in a catalytic converter
DE69617232T DE69617232T2 (de) 1995-06-07 1996-05-31 Vorrichtung und verfahren zur bestimmung der sauerstoffpufferkapazität in einem katalysator
US08/973,174 US6119447A (en) 1995-06-07 1996-05-31 Arrangement and method for determining the oxygen buffer capacity in a catalytic converter
PCT/SE1996/000724 WO1996041071A1 (en) 1995-06-07 1996-05-31 Arrangement and method for determining the oxygen buffer capacity in a catalytic converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9502066A SE505235C2 (sv) 1995-06-07 1995-06-07 Sätt och anordning för att bestämma syrebuffertkapaciteten i en katalytisk avgasrenare

Publications (3)

Publication Number Publication Date
SE9502066D0 true SE9502066D0 (sv) 1995-06-07
SE9502066L SE9502066L (sv) 1996-12-08
SE505235C2 SE505235C2 (sv) 1997-07-21

Family

ID=20398533

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9502066A SE505235C2 (sv) 1995-06-07 1995-06-07 Sätt och anordning för att bestämma syrebuffertkapaciteten i en katalytisk avgasrenare

Country Status (5)

Country Link
US (1) US6119447A (sv)
EP (1) EP0830498B1 (sv)
DE (1) DE69617232T2 (sv)
SE (1) SE505235C2 (sv)
WO (1) WO1996041071A1 (sv)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19936200A1 (de) * 1999-07-31 2001-02-08 Bosch Gmbh Robert Verfahren zum Betreiben einer Brennkraftmaschine
FR2798700B1 (fr) * 1999-09-21 2001-11-23 Renault Procede et systeme de surveillance du fonctionnement des pots catalytiques d'un moteur a combustion interne
DE60121834T2 (de) * 2000-02-16 2006-11-23 Nissan Motor Co., Ltd., Yokohama Abgasreinigungsvorrichtung einer Brennkraftmaschine
JP3852336B2 (ja) 2000-02-25 2006-11-29 日産自動車株式会社 エンジン排気浄化装置
US6591605B2 (en) * 2001-06-11 2003-07-15 Ford Global Technologies, Llc System and method for controlling the air / fuel ratio in an internal combustion engine
US6550237B1 (en) * 2002-09-25 2003-04-22 Ford Global Technologies, L.L.C. Method and system for monitoring a catalytic converter
US6804951B2 (en) * 2002-11-06 2004-10-19 Ford Global Technologies, Llc On-board diagnostic catalyst monitoring system
DE102004038481B3 (de) * 2004-08-07 2005-07-07 Audi Ag Verfahren zur Regelung des einer Brennkraftmaschine zugeführten Luft/Kraftstoffverhältnisses
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
DE102006025050B4 (de) * 2006-05-27 2014-04-03 Fev Gmbh Verfahren und Vorrichtung zum Betrieb einer Abgasnachbehandlungsanlage
US9747329B2 (en) 2006-10-05 2017-08-29 Trimble Inc. Limiting access to asset management information
US9811949B2 (en) 2006-10-05 2017-11-07 Trimble Inc. Method for providing status information pertaining to an asset
US9747571B2 (en) 2006-10-05 2017-08-29 Trimble Inc. Integrated asset management
US9773222B2 (en) 2006-10-05 2017-09-26 Trimble Inc. Externally augmented asset management
US9536405B2 (en) 2006-10-05 2017-01-03 Trimble Inc. Unreported event status change determination and alerting
US8666936B2 (en) 2006-10-05 2014-03-04 Trimble Navigation Limited System and method for asset management
US9519876B2 (en) 2006-10-05 2016-12-13 Trimble Navigation Limited Method for providing maintenance to an asset
WO2008069749A2 (en) 2006-12-07 2008-06-12 Höganäs Ab Soft magnetic powder
US8600932B2 (en) * 2007-05-07 2013-12-03 Trimble Navigation Limited Telematic asset microfluidic analysis
DE102007059772B4 (de) * 2007-12-12 2014-06-26 Audi Ag Verfahren zur Bestimmung der Sauerstoffspeicherkapazität eines Katalysators für ein Kraftfahrzeug sowie zugehörige Messeinrichtung
US8165787B2 (en) * 2011-04-08 2012-04-24 Ford Global Technologies, Llc Method for adjusting engine air-fuel ratio
US9739763B2 (en) * 2011-05-16 2017-08-22 Trimble Inc. Telematic locomotive microfluidic analysis
US9760685B2 (en) 2011-05-16 2017-09-12 Trimble Inc. Telematic microfluidic analysis using handheld device
JP6971094B2 (ja) * 2017-08-30 2021-11-24 日立Astemo株式会社 内燃機関の電子制御装置
AT521669B1 (de) * 2018-08-23 2022-08-15 Avl List Gmbh Verfahren und Verbrennungskraftmaschine zur Effizienzverbesserung eines SCR-Systems

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3830515A1 (de) * 1988-09-08 1990-03-22 Bayerische Motoren Werke Ag Verfahren zur ueberpruefung der funktion des abgaskatalysators einer brennkraftmaschine
US5077970A (en) * 1990-06-11 1992-01-07 Ford Motor Company Method of on-board detection of automotive catalyst degradation
US5228335A (en) * 1991-02-25 1993-07-20 The United States Of America As Represented By The United States Environmental Protection Agency Method and apparatus for detection of catalyst failure on-board a motor vehicle using a dual oxygen sensor and an algorithm
DE4112478C2 (de) * 1991-04-17 2001-03-08 Bosch Gmbh Robert Verfahren und Vorrichtung zum Beurteilen des Alterungszustandes eines Katalysators
JPH086624B2 (ja) * 1991-05-16 1996-01-29 トヨタ自動車株式会社 内燃機関の空燃比制御装置
US5159810A (en) * 1991-08-26 1992-11-03 Ford Motor Company Catalytic converter monitoring using downstream oxygen sensor
DE4128718C2 (de) * 1991-08-29 2001-02-01 Bosch Gmbh Robert Verfahren und Vorrichtung zur Kraftstoffmengenregelung für einen Verbrennungsmotor mit Katalysator
DE4128823C2 (de) * 1991-08-30 2000-06-29 Bosch Gmbh Robert Verfahren und Vorrichtung zum Bestimmen des Speichervermögens eines Katalysators
US5622047A (en) * 1992-07-03 1997-04-22 Nippondenso Co., Ltd. Method and apparatus for detecting saturation gas amount absorbed by catalytic converter
JP3010921B2 (ja) * 1992-08-27 2000-02-21 日産自動車株式会社 内燃機関の触媒劣化診断装置
JPH06129285A (ja) * 1992-10-20 1994-05-10 Honda Motor Co Ltd 内燃機関の空燃比制御装置
IT1260234B (it) * 1992-12-18 1996-04-02 Sistema di controllo a loop chiuso integrato, multifunzione, senza mappatura e auto-adattivo per motori endotermici
JPH06229292A (ja) * 1993-01-29 1994-08-16 Honda Motor Co Ltd 内燃機関の空燃比制御装置
FR2702516B1 (fr) * 1993-03-12 1995-06-02 Siemens Automotive Sa Procédé de surveillance de l'efficacité d'un pot catalytique chauffé, pour le traitement des gaz d'échappement d'un moteur à combustion interne.
DE4308661A1 (de) * 1993-03-18 1994-09-22 Emitec Emissionstechnologie Verfahren und Vorrichtung zur Funktionsüberwachung eines katalytischen Konverters
GB9315918D0 (en) * 1993-07-31 1993-09-15 Lucas Ind Plc Method of and apparatus for monitoring operation of a catalyst
JP2858288B2 (ja) * 1993-09-02 1999-02-17 株式会社ユニシアジェックス 内燃機関の空燃比制御装置における自己診断装置
JP2962987B2 (ja) * 1993-12-01 1999-10-12 本田技研工業株式会社 内燃機関の燃料制御装置
JPH09506949A (ja) * 1993-12-21 1997-07-08 シーメンス アクチエンゲゼルシヤフト 触媒の変換能力の検査方法
US5678402A (en) * 1994-03-23 1997-10-21 Honda Giken Kogyo Kabushiki Kaisha Air-fuel ratio control system for internal combustion engines and exhaust system temperature-estimating device applicable thereto
US5544481A (en) * 1995-03-31 1996-08-13 Ford Motor Company Engine air/fuel control system and catalytic converter monitoring

Also Published As

Publication number Publication date
WO1996041071A1 (en) 1996-12-19
SE505235C2 (sv) 1997-07-21
US6119447A (en) 2000-09-19
SE9502066L (sv) 1996-12-08
DE69617232T2 (de) 2002-07-18
EP0830498B1 (en) 2001-11-21
EP0830498A1 (en) 1998-03-25
DE69617232D1 (de) 2002-01-03

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