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DE59803414D1 - Process for the regeneration of a nitrogen oxide trap in the exhaust system of an internal combustion engine - Google Patents

Process for the regeneration of a nitrogen oxide trap in the exhaust system of an internal combustion engine

Info

Publication number
DE59803414D1
DE59803414D1 DE59803414T DE59803414T DE59803414D1 DE 59803414 D1 DE59803414 D1 DE 59803414D1 DE 59803414 T DE59803414 T DE 59803414T DE 59803414 T DE59803414 T DE 59803414T DE 59803414 D1 DE59803414 D1 DE 59803414D1
Authority
DE
Germany
Prior art keywords
regeneration
combustion engine
internal combustion
exhaust system
nitrogen oxide
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
DE59803414T
Other languages
German (de)
Inventor
Dr Phlips
Klemens Grieser
Roland Erdmann
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
Application granted granted Critical
Publication of DE59803414D1 publication Critical patent/DE59803414D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F01N3/0807—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
    • 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
    • F01N3/0871—Regulation of absorbents or adsorbents, e.g. purging
    • 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
    • F02D41/1446—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 exhaust 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
    • F02D41/14—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
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/30—Controlling fuel injection
    • F02D41/38—Controlling fuel injection of the high pressure type
    • F02D2041/389—Controlling fuel injection of the high pressure type for injecting directly into the cylinder
    • 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
    • F02D2200/08—Exhaust gas treatment apparatus parameters
    • F02D2200/0806—NOx storage amount, i.e. amount of NOx stored on NOx trap
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
DE59803414T 1997-09-18 1998-07-16 Process for the regeneration of a nitrogen oxide trap in the exhaust system of an internal combustion engine Expired - Fee Related DE59803414D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19741079A DE19741079C2 (en) 1997-09-18 1997-09-18 Process for the regeneration of a nitrogen oxide trap in the exhaust system of an internal combustion engine

Publications (1)

Publication Number Publication Date
DE59803414D1 true DE59803414D1 (en) 2002-04-25

Family

ID=7842756

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19741079A Expired - Fee Related DE19741079C2 (en) 1997-09-18 1997-09-18 Process for the regeneration of a nitrogen oxide trap in the exhaust system of an internal combustion engine
DE59803414T Expired - Fee Related DE59803414D1 (en) 1997-09-18 1998-07-16 Process for the regeneration of a nitrogen oxide trap in the exhaust system of an internal combustion engine

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19741079A Expired - Fee Related DE19741079C2 (en) 1997-09-18 1997-09-18 Process for the regeneration of a nitrogen oxide trap in the exhaust system of an internal combustion engine

Country Status (3)

Country Link
EP (1) EP0903477B1 (en)
JP (1) JP4099272B2 (en)
DE (2) DE19741079C2 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3259711B2 (en) * 1999-05-18 2002-02-25 トヨタ自動車株式会社 Control device for internal combustion engine
DE10020789C2 (en) * 1999-05-19 2003-05-08 Ford Global Tech Inc Method and system for the transition between lean and stoichiometric air-fuel ratio in a lean-burn engine
JP3854013B2 (en) 1999-06-10 2006-12-06 三菱電機株式会社 Exhaust gas purification device for internal combustion engine
DE19932301A1 (en) * 1999-07-10 2001-01-11 Volkswagen Ag Method for regulating a regeneration of a storage catalytic converter arranged in an exhaust gas duct of an internal combustion engine
DE19942270A1 (en) * 1999-09-04 2001-03-15 Bosch Gmbh Robert Method for operating an internal combustion engine
JP2001082135A (en) * 1999-09-09 2001-03-27 Toyota Motor Corp Exhaust gas purification device for internal combustion engine
DE19963938A1 (en) * 1999-12-31 2001-07-12 Bosch Gmbh Robert Method for operating a three-way catalytic converter of an internal combustion engine
DE10054005A1 (en) 2000-11-01 2002-05-08 Daimler Chrysler Ag The system to clean exhaust gas emissions from an IC motor has a nitrogen oxide accumulator, and desulfurizing operating in full and partial modes according to registered temperatures
US6915630B2 (en) * 2003-01-27 2005-07-12 Ford Global Technologies, Llc Engine control for a vehicle equipped with an emission control device
US9677488B2 (en) * 2012-04-10 2017-06-13 Volvo Lastvagnar Ab Self-diagnosing method for diagnosing a SCR system
DE202013008389U1 (en) * 2013-09-21 2014-12-22 GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) Control arrangement for controlling an internal combustion engine of a motor vehicle
JP6248978B2 (en) * 2015-05-11 2017-12-20 トヨタ自動車株式会社 Control device for internal combustion engine

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5437153A (en) * 1992-06-12 1995-08-01 Toyota Jidosha Kabushiki Kaisha Exhaust purification device of internal combustion engine
US5450722A (en) * 1992-06-12 1995-09-19 Toyota Jidosha Kabushiki Kaisha Exhaust purification device of internal combustion engine
JP2692530B2 (en) * 1992-09-02 1997-12-17 トヨタ自動車株式会社 Internal combustion engine
DE19626837A1 (en) * 1995-07-08 1997-01-09 Volkswagen Ag Operating diesel engine with nitrogen oxide buffer store - blocks buffer store during operation at low nitrogen oxide content per time unit
DE19607151C1 (en) * 1996-02-26 1997-07-10 Siemens Ag Regeneration of nitrogen oxide storage catalyst

Also Published As

Publication number Publication date
DE19741079C2 (en) 2001-10-18
JP4099272B2 (en) 2008-06-11
JPH11148338A (en) 1999-06-02
EP0903477A3 (en) 2000-03-08
DE19741079A1 (en) 1999-04-01
EP0903477A2 (en) 1999-03-24
EP0903477B1 (en) 2002-03-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: FORD GLOBAL TECHNOLOGIES, LLC (N.D.GES.D. STAATES

8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee