US20090308057A1 - Exhaust line of a diesel engine and desulfation method - Google Patents

Exhaust line of a diesel engine and desulfation method Download PDF

Info

Publication number
US20090308057A1
US20090308057A1 US12/306,537 US30653707A US2009308057A1 US 20090308057 A1 US20090308057 A1 US 20090308057A1 US 30653707 A US30653707 A US 30653707A US 2009308057 A1 US2009308057 A1 US 2009308057A1
Authority
US
United States
Prior art keywords
nox trap
nox
reformate
particulate filter
exhaust gases
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.)
Abandoned
Application number
US12/306,537
Other languages
English (en)
Inventor
Francois Fresnet
Nathalie Bouet
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
Assigned to RENAULT S.A.S. reassignment RENAULT S.A.S. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BOUET, NATHALIE, FRESNET, FRANCOIS
Assigned to RENAULT S.A.S. reassignment RENAULT S.A.S. CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE'S ADDRESS PREVIOUSLY RECORDED ON REEL 022426 FRAME 0388. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT. Assignors: BOUET, NATHALIE, FRESNET, FRANCOIS
Publication of US20090308057A1 publication Critical patent/US20090308057A1/en
Abandoned legal-status Critical Current

Links

Images

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
    • F01N3/0871—Regulation of absorbents or adsorbents, e.g. purging
    • F01N3/0885—Regeneration of deteriorated absorbents or adsorbents, e.g. desulfurization of NOx traps
    • 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 ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
    • 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 ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/011—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more purifying devices arranged in parallel
    • 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
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
    • F01N3/025—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles using fuel burner or by adding fuel to exhaust
    • F01N3/0253—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles using fuel burner or by adding fuel to exhaust adding fuel to exhaust gases
    • 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
    • F01N3/0821—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with particulate filters
    • 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
    • F01N3/0878—Bypassing absorbents or adsorbents
    • 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 ; Methods of operation or control of catalytic converters
    • F01N3/2006—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating
    • F01N3/2033—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating using a fuel burner or introducing fuel into exhaust duct
    • 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
    • F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
    • F01N2240/30—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being a fuel reformer
    • 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
US12/306,537 2006-06-27 2007-04-12 Exhaust line of a diesel engine and desulfation method Abandoned US20090308057A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR06-05767 2006-06-27
FR0605767A FR2902828B1 (fr) 2006-06-27 2006-06-27 Ligne d'echappement d'un moteur diesel et procede de desulfatation.
PCT/FR2007/051095 WO2008000976A1 (fr) 2006-06-27 2007-04-12 Ligne d'echappement d'un moteur diesel et procede de desulfatation

Publications (1)

Publication Number Publication Date
US20090308057A1 true US20090308057A1 (en) 2009-12-17

Family

ID=37734890

Family Applications (1)

Application Number Title Priority Date Filing Date
US12/306,537 Abandoned US20090308057A1 (en) 2006-06-27 2007-04-12 Exhaust line of a diesel engine and desulfation method

Country Status (6)

Country Link
US (1) US20090308057A1 (fr)
EP (1) EP2032811A1 (fr)
JP (1) JP2009541655A (fr)
FR (1) FR2902828B1 (fr)
RU (1) RU2429354C2 (fr)
WO (1) WO2008000976A1 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100236223A1 (en) * 2007-08-30 2010-09-23 Energy Conversion Technology As Exhaust gas apparatus and method for the regeneration of a nox trap and a particle filter
US20100275584A1 (en) * 2008-01-08 2010-11-04 Honda Motor Co., Ltd Exhaust gas purification device for internal combustion engine
GB2490934A (en) * 2011-05-19 2012-11-21 Gm Global Tech Operations Inc Method of desulphurisation of a Lean NOx Trap
US20130167510A1 (en) * 2012-01-02 2013-07-04 Ford Global Technologies, Llc Internal combustion engine with exhaust-gas aftertreatment arrangement and method for operating an internal combustion engine of said type
CN104279028A (zh) * 2013-07-01 2015-01-14 福特环球技术公司 内燃发动机的排气后处理系统的装置及其运转方法
US9555372B2 (en) * 2015-01-09 2017-01-31 Caterpillar Inc. Fuel reformer for De-NOx trap
US9631533B2 (en) 2013-01-28 2017-04-25 Alfa Laval Aalborg A/S Method and cleaning apparatus for removal of SOx and NOx from exhaust gas
US20170226911A1 (en) * 2016-02-05 2017-08-10 Cummins Inc. System and method for managing contaminant storage in a storage catalyst
CN108979795A (zh) * 2017-06-02 2018-12-11 通用汽车环球科技运作有限责任公司 通过双后处理装置控制排气流的系统和方法
CN109113839A (zh) * 2018-09-11 2019-01-01 中船动力有限公司 船用柴油机尾气后处理的旁通装置及使用方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2933446B1 (fr) * 2008-07-01 2011-10-14 Renault Sas Gestion combinee de la regeneration et de la desulfuration pour vehicule automobile
GB2468159B (en) * 2009-02-27 2011-11-09 Energy Conversion Technology As Exhaust gas cleaning apparatus and method for cleaning an exhaust gas
RU2508457C2 (ru) * 2009-03-05 2014-02-27 Мак Тракс, Инк. Система дизельного двигателя и способ обработки отработавших газов

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030140622A1 (en) * 2002-01-25 2003-07-31 William Taylor Combination emission abatement assembly and method of operating the same
US6832473B2 (en) * 2002-11-21 2004-12-21 Delphi Technologies, Inc. Method and system for regenerating NOx adsorbers and/or particulate filters
US20050072140A1 (en) * 2002-01-25 2005-04-07 William Taylor Apparatus and method for operating a fuel reformer to regenerate a DPNR device
US7036489B1 (en) * 2005-05-17 2006-05-02 Delphi Technologies, Inc. Exhaust system and methods of NOx adsorber desulfation
US7213395B2 (en) * 2004-07-14 2007-05-08 Eaton Corporation Hybrid catalyst system for exhaust emissions reduction

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2309309A1 (fr) 1999-05-28 2000-11-28 Ford Global Technologies, Inc. Trappe de nox et filtre a particules pour un moteur a combustion interne
DE19939807C2 (de) 1999-08-21 2001-11-29 Bosch Gmbh Robert Verfahren und Vorrichtung zur Abgasnachbehandlung des von einem Verbrennungsmotor erzeugten Abgases und dessen Verwendung
JP3757856B2 (ja) * 2001-12-07 2006-03-22 トヨタ自動車株式会社 排気ガス浄化装置
FR2838770B1 (fr) * 2002-04-17 2005-11-25 Renault Sa Systeme de depollution de gaz d'echappement d'un moteur diesel et procede de mise en oeuvre
JP3758617B2 (ja) * 2002-07-12 2006-03-22 トヨタ自動車株式会社 内燃機関の排気浄化装置
DE102004024370A1 (de) * 2004-05-17 2005-12-15 Volkswagen Ag Verbrennungsmotor mit Hilfsenergieeinheit

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030140622A1 (en) * 2002-01-25 2003-07-31 William Taylor Combination emission abatement assembly and method of operating the same
US20050072140A1 (en) * 2002-01-25 2005-04-07 William Taylor Apparatus and method for operating a fuel reformer to regenerate a DPNR device
US20060168950A1 (en) * 2002-01-25 2006-08-03 Arvin Technologies, Inc. Combination emission abatement assembly and method of operarting the same
US6832473B2 (en) * 2002-11-21 2004-12-21 Delphi Technologies, Inc. Method and system for regenerating NOx adsorbers and/or particulate filters
US7213395B2 (en) * 2004-07-14 2007-05-08 Eaton Corporation Hybrid catalyst system for exhaust emissions reduction
US7334400B2 (en) * 2004-07-14 2008-02-26 Eaton Corporation Valveless dual leg exhaust aftertreatment system
US7036489B1 (en) * 2005-05-17 2006-05-02 Delphi Technologies, Inc. Exhaust system and methods of NOx adsorber desulfation

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100236223A1 (en) * 2007-08-30 2010-09-23 Energy Conversion Technology As Exhaust gas apparatus and method for the regeneration of a nox trap and a particle filter
US9784156B2 (en) * 2007-08-30 2017-10-10 Alfa Laval Aalborg A/S Particle filter assembly and method for cleaning a particle filter
US20110023453A1 (en) * 2007-08-30 2011-02-03 Energy Conversion Technology As Particle filter assembly and method for cleaning a particle filter
US20150101315A1 (en) * 2007-08-30 2015-04-16 Cool Flame Technologies As Exhaust gas apparatus and method for the regeneration of a nox trap and a particle filter
US8453433B2 (en) * 2008-01-08 2013-06-04 Honda Motor Co., Ltd. Exhaust gas purification device for internal combustion engine
US20100275584A1 (en) * 2008-01-08 2010-11-04 Honda Motor Co., Ltd Exhaust gas purification device for internal combustion engine
GB2490934A (en) * 2011-05-19 2012-11-21 Gm Global Tech Operations Inc Method of desulphurisation of a Lean NOx Trap
US20130167510A1 (en) * 2012-01-02 2013-07-04 Ford Global Technologies, Llc Internal combustion engine with exhaust-gas aftertreatment arrangement and method for operating an internal combustion engine of said type
US9016046B2 (en) * 2012-01-02 2015-04-28 Ford Global Technologies, Llc Internal combustion engine with exhaust-gas aftertreatment arrangement and method for operating an internal combustion engine of said type
US9631533B2 (en) 2013-01-28 2017-04-25 Alfa Laval Aalborg A/S Method and cleaning apparatus for removal of SOx and NOx from exhaust gas
CN104279028A (zh) * 2013-07-01 2015-01-14 福特环球技术公司 内燃发动机的排气后处理系统的装置及其运转方法
US9555372B2 (en) * 2015-01-09 2017-01-31 Caterpillar Inc. Fuel reformer for De-NOx trap
US20170226911A1 (en) * 2016-02-05 2017-08-10 Cummins Inc. System and method for managing contaminant storage in a storage catalyst
US10544720B2 (en) * 2016-02-05 2020-01-28 Cummins Inc. System and method for managing contaminant storage in a storage catalyst
CN108979795A (zh) * 2017-06-02 2018-12-11 通用汽车环球科技运作有限责任公司 通过双后处理装置控制排气流的系统和方法
CN109113839A (zh) * 2018-09-11 2019-01-01 中船动力有限公司 船用柴油机尾气后处理的旁通装置及使用方法

Also Published As

Publication number Publication date
FR2902828B1 (fr) 2008-09-26
EP2032811A1 (fr) 2009-03-11
RU2429354C2 (ru) 2011-09-20
JP2009541655A (ja) 2009-11-26
WO2008000976A1 (fr) 2008-01-03
RU2009102504A (ru) 2010-08-10
FR2902828A1 (fr) 2007-12-28

Similar Documents

Publication Publication Date Title
US20090308057A1 (en) Exhaust line of a diesel engine and desulfation method
US7334400B2 (en) Valveless dual leg exhaust aftertreatment system
US7624570B2 (en) Optimal fuel profiles
US7562522B2 (en) Enhanced hybrid de-NOx system
US7063642B1 (en) Narrow speed range diesel-powered engine system w/ aftertreatment devices
EP2146065B1 (fr) Système de purification de gaz d'échappement pour moteur à combustion interne
US7628009B2 (en) Exhaust aftertreatment system with transmission control
EP2215335B1 (fr) Chambre de précombustion et système de chambre de combustion à large canal pour le fonctionnement d'un reformeur de combustible à des températures d'échappement basses
US20080006025A1 (en) LNT regeneration during transient operation
JP4972914B2 (ja) 排気ガス浄化システムの再生制御方法及び排気ガス浄化システム
US20070079605A1 (en) Exhaust aftertreatment system with transmission control
US8209960B2 (en) System and method for coupled DPF regeneration and LNT DeNOx
US20060053776A1 (en) Management of thermal fluctuations in lean NOx adsorber aftertreatment systems
US20050000210A1 (en) Method and apparatus for desulfurizing a NOx trap
US20080022660A1 (en) Method for controlled DPF regeneration
WO2008123628A1 (fr) Dispositif de purification de gaz d'échappement pour moteur à combustion interne
JP2011506823A (ja) 後処理装置制御のためのトランスミッションシフトシグナル
WO2009113650A1 (fr) Procédé de commande d'appareil de purification de gaz d'échappement
JP2009133291A (ja) 内燃機関の排気浄化装置及びその制御方法
JP2008196478A (ja) 内燃機関の排気浄化システム
JP2008280980A (ja) 内燃機関の排気浄化システム

Legal Events

Date Code Title Description
AS Assignment

Owner name: RENAULT S.A.S., JAPAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:FRESNET, FRANCOIS;BOUET, NATHALIE;REEL/FRAME:022426/0388

Effective date: 20090219

AS Assignment

Owner name: RENAULT S.A.S., FRANCE

Free format text: CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE'S ADDRESS PREVIOUSLY RECORDED ON REEL 022426 FRAME 0388. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT;ASSIGNORS:FRESNET, FRANCOIS;BOUET, NATHALIE;REEL/FRAME:022443/0377

Effective date: 20090219

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION