GB2381872B - Exhaust emission control system of an internal combustion engine - Google Patents

Exhaust emission control system of an internal combustion engine

Info

Publication number
GB2381872B
GB2381872B GB0221913A GB0221913A GB2381872B GB 2381872 B GB2381872 B GB 2381872B GB 0221913 A GB0221913 A GB 0221913A GB 0221913 A GB0221913 A GB 0221913A GB 2381872 B GB2381872 B GB 2381872B
Authority
GB
United Kingdom
Prior art keywords
control system
combustion engine
internal combustion
emission control
exhaust emission
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.)
Expired - Fee Related
Application number
GB0221913A
Other versions
GB0221913D0 (en
GB2381872A (en
Inventor
Marko Weirich
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.)
Daimler AG
Original Assignee
DaimlerChrysler AG
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 DaimlerChrysler AG filed Critical DaimlerChrysler AG
Publication of GB0221913D0 publication Critical patent/GB0221913D0/en
Publication of GB2381872A publication Critical patent/GB2381872A/en
Application granted granted Critical
Publication of GB2381872B publication Critical patent/GB2381872B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D41/0047—Controlling exhaust gas recirculation [EGR]
    • F02D41/0065—Specific aspects of external EGR control
    • F02D41/0072—Estimating, calculating or determining the EGR rate, amount or flow
    • 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
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
    • F01N3/0842—Nitrogen oxides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
    • F02D35/02—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
    • F02D35/025—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions by determining temperatures inside the cylinder, e.g. combustion temperatures
    • 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
    • F02D41/027—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus
    • F02D41/0275—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus the exhaust gas treating apparatus being a NOx trap or adsorbent
    • 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
    • F02D41/1462—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 with determination means using an estimation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B17/00—Engines characterised by means for effecting stratification of charge in cylinders
    • F02B17/005—Engines characterised by means for effecting stratification of charge in cylinders having direct injection in the combustion chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/04—Engine intake system parameters
    • F02D2200/0402—Engine intake system parameters the parameter being determined by using a model of the engine intake or its components
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/06—Fuel or fuel supply system parameters
    • F02D2200/0614—Actual fuel mass or fuel injection amount
    • 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
    • F02D41/18—Circuit arrangements for generating control signals by measuring intake air flow
    • F02D41/187—Circuit arrangements for generating control signals by measuring intake air flow using a hot wire flow sensor
    • 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
    • F02D41/30—Controlling fuel injection
    • F02D41/3011—Controlling fuel injection according to or using specific or several modes of combustion
    • F02D41/3017—Controlling fuel injection according to or using specific or several modes of combustion characterised by the mode(s) being used
    • F02D41/3023—Controlling fuel injection according to or using specific or several modes of combustion characterised by the mode(s) being used a mode being the stratified charge spark-ignited mode
    • F02D41/3029—Controlling fuel injection according to or using specific or several modes of combustion characterised by the mode(s) being used a mode being the stratified charge spark-ignited mode further comprising a homogeneous charge spark-ignited mode
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/45—Sensors specially adapted for EGR systems
    • F02M26/46—Sensors specially adapted for EGR systems for determining the characteristics of gases, e.g. composition
    • F02M26/47—Sensors specially adapted for EGR systems for determining the characteristics of gases, e.g. composition the characteristics being temperatures, pressures or flow rates
    • 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)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
GB0221913A 2001-10-02 2002-09-20 Exhaust emission control system of an internal combustion engine Expired - Fee Related GB2381872B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10148663A DE10148663A1 (en) 2001-10-02 2001-10-02 Process for determining nitrogen oxide emissions in an Internal Combustion engine operating with excess of air comprises determining thermal condition of combustion chamber of engine, and calculating the mass of nitrogen oxide emissions

Publications (3)

Publication Number Publication Date
GB0221913D0 GB0221913D0 (en) 2002-10-30
GB2381872A GB2381872A (en) 2003-05-14
GB2381872B true GB2381872B (en) 2004-02-04

Family

ID=7701168

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0221913A Expired - Fee Related GB2381872B (en) 2001-10-02 2002-09-20 Exhaust emission control system of an internal combustion engine

Country Status (3)

Country Link
DE (1) DE10148663A1 (en)
FR (1) FR2830276A1 (en)
GB (1) GB2381872B (en)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6775623B2 (en) * 2002-10-11 2004-08-10 General Motors Corporation Real-time nitrogen oxides (NOx) estimation process
DE10316112A1 (en) * 2003-04-09 2004-10-28 Daimlerchrysler Ag Method for operating an internal combustion engine with auto-ignition
DE102004011582B4 (en) * 2004-03-10 2011-04-14 Audi Ag Method for reducing the exhaust emissions of motor vehicle internal combustion engines and motor vehicle
JP2007239686A (en) * 2006-03-10 2007-09-20 Toyota Motor Corp Internal combustion engine control device
FR2906841B1 (en) 2006-10-09 2008-12-12 Renault Sas SYSTEM FOR DETERMINING THE MASS FLOW OF NITROGEN OXIDES EMITTED IN EXHAUST GASES OF AN INTERNAL COMBUSTION ENGINE
DE102007042748B4 (en) * 2007-09-07 2009-06-25 Testo Ag Method and device for engine exhaust gas measurement
DE102008004214B4 (en) * 2008-01-14 2017-07-13 Robert Bosch Gmbh Method for determining the NOx emission of an internal combustion engine with exhaust gas recirculation
FR2933736B1 (en) * 2008-07-10 2012-07-20 Peugeot Citroen Automobiles Sa PROCESS FOR INSTANTANEOUS MONITORING OF NITROGEN OXIDE EMISSIONS
DE102008057209B4 (en) * 2008-11-13 2010-09-09 Continental Automotive Gmbh Method and device for operating an internal combustion engine having at least one cylinder and at least one actuator
DE102009021793B4 (en) 2009-05-18 2020-08-06 Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr Method for determining nitrogen oxide emissions in the combustion chamber of a diesel engine
US8762026B2 (en) * 2010-08-24 2014-06-24 GM Global Technology Operations LLC System and method for determining engine exhaust composition
DE102010046491B4 (en) 2010-09-24 2022-05-05 Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr Method for determining pollutant emissions in the combustion chamber of a diesel engine
KR101234637B1 (en) * 2010-11-18 2013-02-19 현대자동차주식회사 METHOD FOR PREDICTING NOx AMOUNT AMD EXHAUST SYSTEM USING THE SAME
US9435307B2 (en) * 2011-04-25 2016-09-06 Toyota Jidosha Kabushiki Kaisha Combustion product production amount estimation device, deposit separation amount estimation device, deposit accumulation amount estimation device, and fuel injection control device of internal combustion engine
EP2574763A1 (en) * 2011-09-30 2013-04-03 Volvo Car Corporation NOx emission estimation method and arrangement
JP5587919B2 (en) 2012-01-17 2014-09-10 日本特殊陶業株式会社 Correction coefficient setting method for gas concentration detection device, gas concentration detection device, and gas sensor
US10202923B2 (en) * 2012-04-16 2019-02-12 Ford Global Technologies, Llc Method for estimating intake air humidity
US9921131B2 (en) * 2013-04-25 2018-03-20 International Engine Intellectual Property Company, Llc. NOx model
DE112013007115B4 (en) 2013-05-25 2022-09-29 International Engine Intellectual Property Company, Llc Downstream NOx Estimate
FR3012526B1 (en) * 2013-10-24 2015-10-30 Renault Sas SYSTEM AND METHOD FOR ESTIMATING THE FLOW OF NITROGEN OXIDES IN EXHAUST GASES OF AN INTERNAL COMBUSTION ENGINE FOR A MOTOR VEHICLE.
DE102014210841A1 (en) * 2014-06-06 2015-12-17 Robert Bosch Gmbh Method for determining a nitrogen oxide emission during operation of an internal combustion engine
US9453450B2 (en) * 2014-06-09 2016-09-27 GM Global Technology Operations LLC Method of estimating engine-out NOx mass flow rate
DE102021126386B3 (en) 2021-10-12 2023-03-02 Audi Aktiengesellschaft Method for operating a drive device for a motor vehicle and corresponding drive device
DE102023201366B3 (en) 2023-02-17 2024-05-08 Audi Aktiengesellschaft Method for operating a drive device for a motor vehicle and corresponding drive device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5771686A (en) * 1995-11-20 1998-06-30 Mercedes-Benz Ag Method and apparatus for operating a diesel engine
WO2000028200A1 (en) * 1998-11-06 2000-05-18 Siemens Aktiengesellschaft METHOD FOR DETERMINING THE NOx CRUDE EMISSION OF AN INTERNAL COMBUSTION ENGINE OPERATED WITH AN EXCESS OF AIR
DE10043690A1 (en) * 2000-09-04 2002-03-14 Bosch Gmbh Robert Procedure for NOx mass flow determination from map data with variable air intake and engine temperature

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5771686A (en) * 1995-11-20 1998-06-30 Mercedes-Benz Ag Method and apparatus for operating a diesel engine
WO2000028200A1 (en) * 1998-11-06 2000-05-18 Siemens Aktiengesellschaft METHOD FOR DETERMINING THE NOx CRUDE EMISSION OF AN INTERNAL COMBUSTION ENGINE OPERATED WITH AN EXCESS OF AIR
DE10043690A1 (en) * 2000-09-04 2002-03-14 Bosch Gmbh Robert Procedure for NOx mass flow determination from map data with variable air intake and engine temperature

Also Published As

Publication number Publication date
DE10148663A1 (en) 2003-04-10
GB0221913D0 (en) 2002-10-30
GB2381872A (en) 2003-05-14
FR2830276A1 (en) 2003-04-04

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20060920