DE602005009516D1 - Methode zur Diagnose einer sekundären Lambdasonde in einem Katalysator - Google Patents

Methode zur Diagnose einer sekundären Lambdasonde in einem Katalysator

Info

Publication number
DE602005009516D1
DE602005009516D1 DE602005009516T DE602005009516T DE602005009516D1 DE 602005009516 D1 DE602005009516 D1 DE 602005009516D1 DE 602005009516 T DE602005009516 T DE 602005009516T DE 602005009516 T DE602005009516 T DE 602005009516T DE 602005009516 D1 DE602005009516 D1 DE 602005009516D1
Authority
DE
Germany
Prior art keywords
diagnosis
catalytic converter
lambda probe
secondary lambda
probe
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.)
Active
Application number
DE602005009516T
Other languages
English (en)
Inventor
Mats Karflo
Ulf Gimbergsson
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.)
Ford Global Technologies LLC
Original Assignee
Ford Global Technologies LLC
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 Ford Global Technologies LLC filed Critical Ford Global Technologies LLC
Publication of DE602005009516D1 publication Critical patent/DE602005009516D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • 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
    • F01N13/0093—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 of the same type
    • 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
    • F02D41/1493—Details
    • F02D41/1495—Detection of abnormalities in the air/fuel ratio feedback system
    • 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
DE602005009516T 2005-06-17 2005-06-17 Methode zur Diagnose einer sekundären Lambdasonde in einem Katalysator Active DE602005009516D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05013126A EP1734241B1 (de) 2005-06-17 2005-06-17 Methode zur Diagnose einer sekundären Lambdasonde in einem Katalysator

Publications (1)

Publication Number Publication Date
DE602005009516D1 true DE602005009516D1 (de) 2008-10-16

Family

ID=35355281

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005009516T Active DE602005009516D1 (de) 2005-06-17 2005-06-17 Methode zur Diagnose einer sekundären Lambdasonde in einem Katalysator

Country Status (2)

Country Link
EP (2) EP1734241B1 (de)
DE (1) DE602005009516D1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007045984A1 (de) * 2007-09-26 2009-04-02 Continental Automotive Gmbh Verfahren zur Ermittlung der dynamischen Eigenschaften eines Abgassensors einer Brennkraftmaschine
FR2924167A1 (fr) * 2007-11-27 2009-05-29 Renault Sas Procede et dispositif de diagnostic du fonctionnement d'une sonde a oxygene
WO2010066954A1 (fr) * 2008-12-09 2010-06-17 Renault S.A.S Procede et dipositif de diagnostic du fonctionnement d'une sonde a oxygene
US8086392B2 (en) * 2009-03-31 2011-12-27 GM Global Technology Operations LLC Post oxygen sensor performance diagnostic with minimum air flow
DE102009030582A1 (de) * 2009-06-26 2011-01-05 Audi Ag Verfahren zum Diagnostizieren der Funktionsfähigkeit einer Lambdasonde
DE102011015396B4 (de) 2011-03-29 2013-06-13 Audi Ag Verfahren zum Überprüfen von Komponenten eines Kraftwagens und Kraftwagen mit entsprechender Überprüfungseinrichtung
CN104276133B (zh) * 2013-07-01 2019-08-20 迪尔公司 远程启动禁止和远程启动禁止旁路防止
US10865689B2 (en) 2018-09-21 2020-12-15 Cummins Inc. Systems and methods for diagnosis of NOx storage catalyst
JP7124771B2 (ja) * 2019-03-08 2022-08-24 いすゞ自動車株式会社 ラムダセンサーの応答性診断方法、及び排気浄化システム

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4331153C2 (de) * 1992-09-26 2001-02-01 Volkswagen Ag Verfahren zur Gewinnung von fehlerspezifischen Beurteilungskriterien eines Abgaskatalysators und einer Regel-Lambdasonde
JP3324215B2 (ja) * 1992-11-02 2002-09-17 株式会社デンソー 内燃機関の空燃比センサ異常検出装置
JP3687126B2 (ja) * 1995-03-09 2005-08-24 日産自動車株式会社 内燃機関の触媒劣化診断装置
DE19722334B4 (de) 1997-05-28 2011-01-05 Robert Bosch Gmbh Abgassondendiagnoseverfahren und -vorrichtung
DE19828929A1 (de) * 1998-06-29 2000-01-05 Siemens Ag Verfahren zur Überprüfung des Dynamikverhaltens eines Meßaufnehmers im Abgastrakt einer Brennkraftmaschine
DE19844994C2 (de) 1998-09-30 2002-01-17 Siemens Ag Verfahren zur Diagnose einer stetigen Lambdasonde
US6662638B2 (en) * 2001-11-26 2003-12-16 Ford Global Technologies, Llc System and method for determining degradation of an exhaust gas sensor in an engine
US6804951B2 (en) 2002-11-06 2004-10-19 Ford Global Technologies, Llc On-board diagnostic catalyst monitoring system
DE10254704A1 (de) * 2002-11-23 2004-06-17 Adam Opel Ag Verfahren zur Diagnose der Funktionsfähigkeit einer Abgas-Katalysatoreinheit
JP2004204772A (ja) * 2002-12-25 2004-07-22 Hitachi Unisia Automotive Ltd 空燃比センサの診断装置
DE60312298T2 (de) * 2003-01-13 2007-11-08 Ford Global Technologies, LLC, Dearborn Fehlererkennungsvorrichtung einer Lambdasonde
JP4092486B2 (ja) * 2003-04-02 2008-05-28 日産自動車株式会社 内燃機関の排気後処理装置の診断装置
JP3886928B2 (ja) * 2003-04-23 2007-02-28 本田技研工業株式会社 酸素濃度センサの劣化検出装置
US7237299B2 (en) 2003-05-08 2007-07-03 The Hoover Company Cleaning machine having a control system for cleaning a surface
DE102004043917A1 (de) * 2003-09-11 2005-05-19 Denso Corp., Kariya Luft-Kraftstoffverhältnis-Sensorüberwachungseinrichtung, Luft-Kraftstoffverhältnis-Messeinrichtung und Luft-Kraftstoffverhältnis-Regelung
US6996974B2 (en) * 2003-10-14 2006-02-14 General Motors Corporation Fuel control failure detection based on post O2 sensor

Also Published As

Publication number Publication date
EP1734242A1 (de) 2006-12-20
EP1734241B1 (de) 2008-09-03
EP1734242B1 (de) 2012-04-11
EP1734241A1 (de) 2006-12-20

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