EP2556227A4 - Device and method for detecting a state of a sensor in the exhaust system of a motor vehicle - Google Patents

Device and method for detecting a state of a sensor in the exhaust system of a motor vehicle Download PDF

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Publication number
EP2556227A4
EP2556227A4 EP20110766236 EP11766236A EP2556227A4 EP 2556227 A4 EP2556227 A4 EP 2556227A4 EP 20110766236 EP20110766236 EP 20110766236 EP 11766236 A EP11766236 A EP 11766236A EP 2556227 A4 EP2556227 A4 EP 2556227A4
Authority
EP
Grant status
Application
Patent type
Prior art keywords
sensor
detecting
state
device
method
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.)
Pending
Application number
EP20110766236
Other languages
German (de)
French (fr)
Other versions
EP2556227A1 (en )
Inventor
Mikael LUNDSTRÖM
Anders Granberg
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.)
Scania CV AB
Original Assignee
Scania CV 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

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust 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
    • F01N3/18Exhaust 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
    • F01N3/20Exhaust 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 ; Methods of operation or control of catalytic converters
    • F01N3/2066Selective catalytic reduction [SCR]
    • F01N3/208Control of selective catalytic reduction [SCR], e.g. dosing of reducing agent
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/22Safety or indicating devices for abnormal conditions
    • F02D41/222Safety or indicating devices for abnormal conditions relating to the failure of sensors or parameter detection devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2560/00Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/02Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
    • F01N2560/026Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting NOx
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2560/00Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/14Exhaust systems with means for detecting or measuring exhaust gas components or characteristics having more than one sensor of one kind
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2610/00Adding substances to exhaust gases
    • F01N2610/02Adding substances to exhaust gases the substance being ammonia or urea
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2900/00Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06Parameters used for exhaust control or diagnosing
    • F01N2900/14Parameters used for exhaust control or diagnosing said parameters being related to the exhaust gas
    • F01N2900/1402Exhaust gas composition
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/02Circuit arrangements for generating control signals
    • F02D41/14Introducing closed-loop corrections
    • F02D41/1438Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1444Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/146Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an NOx content or concentration
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection
    • Y02A50/20Air quality improvement or preservation
    • Y02A50/23Emission reduction or control
    • Y02A50/232Catalytic converters
    • Y02A50/2322Catalytic converters for exhaust after-treatment of internal combustion engines in vehicles
    • Y02A50/2325Selective Catalytic Reactors [SCR]
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/20Exhaust after-treatment
    • Y02T10/24Selective Catalytic Reactors for reduction in oxygen rich atmosphere
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/40Engine management systems
EP20110766236 2010-04-08 2011-03-30 Device and method for detecting a state of a sensor in the exhaust system of a motor vehicle Pending EP2556227A4 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE1050343A SE535748C2 (en) 2010-04-08 2010-04-08 Apparatus and method for detecting a condition of an NOx sensor of a motor vehicle
PCT/SE2011/050360 WO2011126429A1 (en) 2010-04-08 2011-03-30 Device and method for detecting a state of a sensor in the exhaust system of a motor vehicle

Publications (2)

Publication Number Publication Date
EP2556227A1 true EP2556227A1 (en) 2013-02-13
EP2556227A4 true true EP2556227A4 (en) 2018-03-21

Family

ID=44763161

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20110766236 Pending EP2556227A4 (en) 2010-04-08 2011-03-30 Device and method for detecting a state of a sensor in the exhaust system of a motor vehicle

Country Status (2)

Country Link
EP (1) EP2556227A4 (en)
WO (1) WO2011126429A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9388728B2 (en) * 2013-06-10 2016-07-12 Cummins Emission Solutions, Inc. Systems and methods for NOx sensor diagnostics

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000055614A1 (en) * 1999-03-16 2000-09-21 Volkswagen Aktiengesellschaft CALIBRATING A Nox-SENSOR
JP2003120399A (en) * 2001-10-09 2003-04-23 Toyota Motor Corp APPARATUS FOR DETECTING ABNORMALITY OF NOx SENSOR
FR2852395A1 (en) * 2003-03-13 2004-09-17 Bosch Gmbh Robert Nitrogen oxide (NOx) detector diagnosis procedure, uses comparative values of two signals at different times and default signal when difference drops below permitted threshold level
US20050103000A1 (en) * 2003-11-19 2005-05-19 Nieuwstadt Michiel V. Diagnosis of a urea scr catalytic system
US20090013666A1 (en) * 2007-07-09 2009-01-15 Jae Yoon Jung Method for determining malfunction of nitrogen oxide sensor and selective catalytic reduction system operating the same
US20090173140A1 (en) * 2008-01-09 2009-07-09 Denso Corporation NOx SENSOR DIAGNOSTIC DEVICE AND EXHAUST GAS PURIFYING SYSTEM USING THE DEVICE
US20090229356A1 (en) * 2008-03-12 2009-09-17 Denso Corporation NOx SENSOR ABNORMALITY DETECTION DEVICE AND EXHAUST GAS PURIFICATION SYSTEM USING THE SAME
EP2119897A1 (en) * 2007-03-06 2009-11-18 Toyota Jidosha Kabushiki Kaisha ABNORMALITY DIAGNOSIS DEVICE FOR NOx SENSOR
WO2009141918A1 (en) * 2008-05-21 2009-11-26 トヨタ自動車株式会社 NOx SENSOR ABNORMALITY DIAGNOSING APPARATUS AND ABNORMALITY DIAGNOSING METHOD

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0878709B1 (en) * 1997-03-21 2004-08-25 NGK Spark Plug Co. Ltd. Method and apparatus for measuring NOx gas concentration
DE10062289A1 (en) * 2000-12-14 2002-07-04 Siemens Ag A method for the diagnosis of a NOx sensor in the exhaust system of an internal combustion engine
US6453663B1 (en) * 2001-08-16 2002-09-24 Ford Global Technologies, Inc NOx sensor monitoring
JP4475271B2 (en) 2006-11-28 2010-06-09 トヨタ自動車株式会社 Abnormality diagnosis apparatus and an abnormality diagnosis method for a NOx sensor
JP4661814B2 (en) 2007-03-29 2011-03-30 トヨタ自動車株式会社 Exhaust gas purification system for an internal combustion engine

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000055614A1 (en) * 1999-03-16 2000-09-21 Volkswagen Aktiengesellschaft CALIBRATING A Nox-SENSOR
JP2003120399A (en) * 2001-10-09 2003-04-23 Toyota Motor Corp APPARATUS FOR DETECTING ABNORMALITY OF NOx SENSOR
FR2852395A1 (en) * 2003-03-13 2004-09-17 Bosch Gmbh Robert Nitrogen oxide (NOx) detector diagnosis procedure, uses comparative values of two signals at different times and default signal when difference drops below permitted threshold level
US20050103000A1 (en) * 2003-11-19 2005-05-19 Nieuwstadt Michiel V. Diagnosis of a urea scr catalytic system
EP2119897A1 (en) * 2007-03-06 2009-11-18 Toyota Jidosha Kabushiki Kaisha ABNORMALITY DIAGNOSIS DEVICE FOR NOx SENSOR
US20090013666A1 (en) * 2007-07-09 2009-01-15 Jae Yoon Jung Method for determining malfunction of nitrogen oxide sensor and selective catalytic reduction system operating the same
US20090173140A1 (en) * 2008-01-09 2009-07-09 Denso Corporation NOx SENSOR DIAGNOSTIC DEVICE AND EXHAUST GAS PURIFYING SYSTEM USING THE DEVICE
US20090229356A1 (en) * 2008-03-12 2009-09-17 Denso Corporation NOx SENSOR ABNORMALITY DETECTION DEVICE AND EXHAUST GAS PURIFICATION SYSTEM USING THE SAME
WO2009141918A1 (en) * 2008-05-21 2009-11-26 トヨタ自動車株式会社 NOx SENSOR ABNORMALITY DIAGNOSING APPARATUS AND ABNORMALITY DIAGNOSING METHOD
EP2278144A1 (en) * 2008-05-21 2011-01-26 Toyota Jidosha Kabushiki Kaisha NOx SENSOR ABNORMALITY DIAGNOSING APPARATUS AND ABNORMALITY DIAGNOSING METHOD

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2011126429A1 *

Also Published As

Publication number Publication date Type
EP2556227A1 (en) 2013-02-13 application
WO2011126429A1 (en) 2011-10-13 application

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RIC1 Classification (correction)

Ipc: F02D 41/22 20060101ALI20180212BHEP

Ipc: F01N 11/00 20060101AFI20180212BHEP

Ipc: F02D 41/14 20060101ALI20180212BHEP