FR2935020B1 - Procede pour la desulfuration d'un catalyseur d'oxydation apte a pieger des oxydes d'azote - Google Patents

Procede pour la desulfuration d'un catalyseur d'oxydation apte a pieger des oxydes d'azote

Info

Publication number
FR2935020B1
FR2935020B1 FR0855582A FR0855582A FR2935020B1 FR 2935020 B1 FR2935020 B1 FR 2935020B1 FR 0855582 A FR0855582 A FR 0855582A FR 0855582 A FR0855582 A FR 0855582A FR 2935020 B1 FR2935020 B1 FR 2935020B1
Authority
FR
France
Prior art keywords
desulfuration
tracing
oxidation catalyst
nitrogen oxides
oxides
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
FR0855582A
Other languages
English (en)
Other versions
FR2935020A1 (fr
Inventor
Alain Girodon
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.)
Renault SAS
Original Assignee
Renault SAS
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 Renault SAS filed Critical Renault SAS
Priority to FR0855582A priority Critical patent/FR2935020B1/fr
Publication of FR2935020A1 publication Critical patent/FR2935020A1/fr
Application granted granted Critical
Publication of FR2935020B1 publication Critical patent/FR2935020B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F02D41/021—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
    • F02D41/028—Desulfurisation of NOx traps 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
    • F02D41/16—Introducing closed-loop corrections for idling
    • 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
    • F02D41/1473—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation method
    • F02D41/1475—Regulating the air fuel ratio at a value other than stoichiometry
    • 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
    • F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
    • F02D41/402—Multiple injections
    • F02D41/405—Multiple injections with post injections

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Exhaust Gas After Treatment (AREA)
FR0855582A 2008-08-14 2008-08-14 Procede pour la desulfuration d'un catalyseur d'oxydation apte a pieger des oxydes d'azote Expired - Fee Related FR2935020B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0855582A FR2935020B1 (fr) 2008-08-14 2008-08-14 Procede pour la desulfuration d'un catalyseur d'oxydation apte a pieger des oxydes d'azote

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0855582A FR2935020B1 (fr) 2008-08-14 2008-08-14 Procede pour la desulfuration d'un catalyseur d'oxydation apte a pieger des oxydes d'azote

Publications (2)

Publication Number Publication Date
FR2935020A1 FR2935020A1 (fr) 2010-02-19
FR2935020B1 true FR2935020B1 (fr) 2015-10-30

Family

ID=40524892

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0855582A Expired - Fee Related FR2935020B1 (fr) 2008-08-14 2008-08-14 Procede pour la desulfuration d'un catalyseur d'oxydation apte a pieger des oxydes d'azote

Country Status (1)

Country Link
FR (1) FR2935020B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2974845A3 (fr) * 2011-05-05 2012-11-09 Renault Sa Procede d'injection de carburant dans un moteur a combustion interne

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19923481A1 (de) * 1999-05-21 2000-11-23 Volkswagen Ag Verfahren zur Entschwefelung von wenigstens einem in einem Abgaskanal einer Verbrennungskraftmaschine angeordneten NOx-Speicherkatalysator
DE10303085B4 (de) * 2002-01-28 2011-08-11 Toyota Jidosha Kabushiki Kaisha, Aichi-ken Abgassteuerungsvorrichtung und -verfahren eines Verbrennungsmotors
DE10326889B4 (de) * 2003-06-14 2016-05-12 Daimler Ag Verfahren zum Betrieb einer fremdgezündeten Brennkraftmaschine
FR2873159B1 (fr) * 2004-07-15 2008-04-25 Peugeot Citroen Automobiles Sa Systeme de desulfatation d'un piege a nox dispose dans une ligne d'echappement d'un moteur diesel de vehicule automobile
EP1745836A1 (fr) * 2005-07-21 2007-01-24 Ford Global Technologies, LLC Dispositif et procédé de purification des gaz d'échappement d'un moteur à combustion interne

Also Published As

Publication number Publication date
FR2935020A1 (fr) 2010-02-19

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