ATE336650T1 - Verfahren zur steuerung eines nox- speicherkatalysators - Google Patents

Verfahren zur steuerung eines nox- speicherkatalysators

Info

Publication number
ATE336650T1
ATE336650T1 AT03090075T AT03090075T ATE336650T1 AT E336650 T1 ATE336650 T1 AT E336650T1 AT 03090075 T AT03090075 T AT 03090075T AT 03090075 T AT03090075 T AT 03090075T AT E336650 T1 ATE336650 T1 AT E336650T1
Authority
AT
Austria
Prior art keywords
catalyst
storage
storage catalyst
controlling
nitrogen oxides
Prior art date
Application number
AT03090075T
Other languages
English (en)
Inventor
Hermann Dr Hahn
Soeren Hinze
Original Assignee
Volkswagen 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 Volkswagen Ag filed Critical Volkswagen Ag
Application granted granted Critical
Publication of ATE336650T1 publication Critical patent/ATE336650T1/de

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
    • F02D41/02—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
    • 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
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features having two or more separate purifying devices arranged in series
    • 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
    • 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
    • F01N2430/00—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics
    • F01N2430/06—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics by varying fuel-air ratio, e.g. by enriching fuel-air mixture
    • 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
    • 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
    • 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
    • F02D2200/0802—Temperature of the 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
    • 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
    • F02D2200/0814—Oxygen storage amount

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)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
AT03090075T 2002-05-08 2003-03-20 Verfahren zur steuerung eines nox- speicherkatalysators ATE336650T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10221568A DE10221568A1 (de) 2002-05-08 2002-05-08 Verfahren zur Steuerung eines NO¶x¶-Speicherkatalysators

Publications (1)

Publication Number Publication Date
ATE336650T1 true ATE336650T1 (de) 2006-09-15

Family

ID=29285423

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03090075T ATE336650T1 (de) 2002-05-08 2003-03-20 Verfahren zur steuerung eines nox- speicherkatalysators

Country Status (3)

Country Link
EP (1) EP1365131B1 (de)
AT (1) ATE336650T1 (de)
DE (2) DE10221568A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10360072A1 (de) * 2003-12-20 2005-07-14 Audi Ag Abgasanlage für eine Brennkraftmaschine eines Fahrzeuges, insbesondere eines Kraftfahrzeuges
DE102004022814B4 (de) * 2004-05-08 2010-06-10 Audi Ag Verfahren zum Betreiben einer magerlauffähigen Brennkraftmaschine eines Fahrzeuges, insbesondere eines Kraftfahrzeuges

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59800195D1 (de) * 1998-01-09 2000-08-17 Ford Global Tech Inc Verfahren zur Regeneration einer Stickoxidfalle im Abgassystem eines Verbrennungsmotors
DE19851564C2 (de) * 1998-11-09 2000-08-24 Siemens Ag Verfahren zum Betreiben und Überprüfen eines NOx-Speicherreduktionskatalysators einer Mager-Brennkraftmaschine
DE19929292A1 (de) * 1999-06-25 2000-12-28 Volkswagen Ag Verfahren zur Steuerung eines Arbeitsmodus einer Verbrennungskraftmaschine
DE19933712A1 (de) * 1999-07-19 2001-05-17 Volkswagen Ag Verfahren zur Regelung eines Arbeitsmodus einer Verbrennungskraftmaschine

Also Published As

Publication number Publication date
DE10221568A1 (de) 2003-12-04
EP1365131A2 (de) 2003-11-26
DE50304630D1 (de) 2006-09-28
EP1365131A3 (de) 2004-04-07
EP1365131B1 (de) 2006-08-16

Similar Documents

Publication Publication Date Title
ATE421375T1 (de) Verfahren zur regenerierung eines stickoxid- speicherkatalysators
ATE143460T1 (de) Verfahren und einrichtung zur gesteuerten einbringung eines reduktionsmittels in ein stickoxidhaltiges abgas
WO2008024370A3 (en) Reductant injection rate shaping method for regeneration of aftertreatment systems
US20060196175A1 (en) NOx adsorber and method of regenerating same
WO2007084691A3 (en) SYSTEM AND METHOD FOR NOx REDUCTION OPTIMIZATION
ATE274136T1 (de) Verfahren und vorrichtung zur abgasnachbehandlung für eine mit einem scr-katalsator ausgestattete brennkraftmaschine
DE602007012457D1 (de) Verfahren zur regelung einer harnstoffmenge für ein stickoxidverarbeitungssystem
DE50107485D1 (de) Vorrichtung und verfahren zur steuerung einer nox-regeneration eines nox-speicherkatalysators
DE50110750D1 (de) VORRICHTUNG UND VERFAHREN ZUR ERMITTLUNG EINER REGENERATIONSNOTWENDIGKEIT EINES NOx-SPEICHERKATALYSATORS
ITMI20050601A1 (it) Metodo e sistema di controllo per un motore dotato di impianto scr
ATE406507T1 (de) System und verfahren zur verringerung von stickoxiden aus durch verbrennungsmotoren mit magerer verbrennung erzeugten abgasen
US8763373B2 (en) System for purifying exhaust gas and method for controlling the same
DE50002057D1 (de) Vorrichtung und Verfahren zur NOx- und/oder SOx-Regeneration eines NOx-Speicherkatalysators
ATE336650T1 (de) Verfahren zur steuerung eines nox- speicherkatalysators
JP5761255B2 (ja) 内燃機関の排気浄化装置
WO2008081286A8 (en) Exhaust gas control apparatus and method for an internal combustion engine
KR102072193B1 (ko) 촉매 미립자 필터를 포함하는 배기 가스 처리 시스템 및 배기 가스 처리 방법
KR20180026112A (ko) 차량용 lnt 제어 방법
CN109915243B (zh) 用于催化剂净化控制的方法以及使用该方法的车辆
RU2010144387A (ru) Способ регулирования количества впрыскиваемой текучей среды в системе снижения концентрации окислов азота с применением катализатора избирательного каталитического восстановления
KR100795033B1 (ko) 디젤차량의 디오씨 재생방법
ATE438024T1 (de) Verfahren zum betreiben eines stickoxid- speicherkatalysators an einem dieselmotor
JP2021050703A (ja) 排気浄化システム、及び排気浄化システムの制御方法
DE60108441D1 (de) Verfahren zur Erkennung der Betriebsbereitschaft eines Katalysator für den Auspuff einer Brennkraftmaschine
DE602005006545D1 (de) Verfahren zum Betrieb eines Abgasreinigungssystem

Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee