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 EP11766236.1A EP11766236A EP2556227A4 EP 2556227 A4 EP2556227 A4 EP 2556227A4 EP 11766236 A EP11766236 A EP 11766236A EP 2556227 A4 EP2556227 A4 EP 2556227A4
Authority
EP
European Patent Office
Prior art keywords
detecting
sensor
state
motor vehicle
exhaust system
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.)
Withdrawn
Application number
EP11766236.1A
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
Application filed by Scania CV AB filed Critical Scania CV AB
Publication of EP2556227A1 publication Critical patent/EP2556227A1/en
Publication of EP2556227A4 publication Critical patent/EP2556227A4/en
Withdrawn legal-status Critical Current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
    • F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
    • F01N3/208—Control of selective catalytic reduction [SCR], e.g. by adjusting the dosing of reducing agent
    • 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
    • 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
    • F02D41/021—Introducing corrections for particular conditions exterior to the engine
    • F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating 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
    • F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/146—Introducing 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
    • F02D41/1461—Introducing 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 of the exhaust gases emitted by the engine
    • 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
    • F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/146—Introducing 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
    • F02D41/1463—Introducing 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 of the exhaust gases downstream of exhaust gas treatment 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
    • F02D41/22—Safety or indicating devices for abnormal conditions
    • F02D41/222—Safety or indicating devices for abnormal conditions relating to the failure of sensors or parameter detection devices
    • 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
    • F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/02—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
    • F01N2560/026—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting NOx
    • 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
    • F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/14—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics having more than one sensor of one kind
    • 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
    • F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/14—Nitrogen oxides
    • 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
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
    • 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
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/14—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust gas
    • F01N2900/1402—Exhaust gas composition
    • 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
    • F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/146—Introducing 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
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using 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
    • Y02T10/12—Improving ICE efficiencies
    • 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)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
EP11766236.1A 2010-04-08 2011-03-30 Device and method for detecting a state of a sensor in the exhaust system of a motor vehicle Withdrawn EP2556227A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1050343A SE535748C2 (en) 2010-04-08 2010-04-08 Apparatus and method for detecting a state of a 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 EP2556227A1 (en) 2013-02-13
EP2556227A4 true EP2556227A4 (en) 2018-03-21

Family

ID=44763161

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11766236.1A Withdrawn 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 (4)

Country Link
EP (1) EP2556227A4 (en)
BR (1) BR112012025542A2 (en)
SE (1) SE535748C2 (en)
WO (1) WO2011126429A1 (en)

Families Citing this family (3)

* 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
EP4080024B1 (en) 2021-04-22 2024-05-29 Volvo Truck Corporation A method for detecting a sensor anomality
EP4187066B1 (en) 2021-11-30 2025-08-13 Volvo Truck Corporation A method and system for sensor analysis in an exhaust gas aftertreatment system

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 NOx sensor abnormality detection device
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 Method for diagnosing a NOx sensor in the exhaust tract 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 NOx sensor abnormality diagnosis device and abnormality diagnosis method
JP4661814B2 (en) 2007-03-29 2011-03-30 トヨタ自動車株式会社 Exhaust gas purification device for 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 NOx sensor abnormality detection device
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
SE1050343A1 (en) 2011-10-09
SE535748C2 (en) 2012-12-04
BR112012025542A2 (en) 2020-08-18
WO2011126429A1 (en) 2011-10-13
EP2556227A1 (en) 2013-02-13

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