BR0004244A - Método de controle auto-adaptável para um sistema de exaustão para motores de combustão interna com ignição controlada - Google Patents
Método de controle auto-adaptável para um sistema de exaustão para motores de combustão interna com ignição controladaInfo
- Publication number
- BR0004244A BR0004244A BR0004244-7A BR0004244A BR0004244A BR 0004244 A BR0004244 A BR 0004244A BR 0004244 A BR0004244 A BR 0004244A BR 0004244 A BR0004244 A BR 0004244A
- Authority
- BR
- Brazil
- Prior art keywords
- self
- internal combustion
- control method
- exhaust system
- combustion engines
- Prior art date
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
- F01N3/0885—Regeneration of deteriorated absorbents or adsorbents, e.g. desulfurization of NOx traps
-
- 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
- F02D41/021—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
- 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
- F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
- F01N2570/04—Sulfur or sulfur 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
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/16—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
- F01N2900/1612—SOx amount trapped in catalyst
-
- 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
- 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
- F02D2200/0808—NOx storage capacity, i.e. maximum amount of NOx that can be 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
- 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
- F02D2200/0811—NOx storage efficiency
-
- 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
- F02D2200/0818—SOx storage amount, e.g. for SOx trap or 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
- F02D41/14—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
- F02D41/1454—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 oxygen content or concentration or the air-fuel ratio
- F02D41/1456—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 oxygen content or concentration or the air-fuel ratio with sensor output signal being linear or quasi-linear with the concentration of oxygen
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)
- Catalysts (AREA)
Abstract
<B>"MéTODO DE CONTROLE AUTO-ADAPTáVEL PARA UM SISTEMA DE EXAUSTãO PARA MOTORES DE COMBUSTãO INTERNA COM IGNIçãO CONTROLADA"<D>, incluindo um motor 2, um pré-catalizador 4, uma armadilha para a coletagem de óxidos de nitrogênio 5 tendo uma capacidade inicial máxima C~ M~ e uma capacidade disponível máxima C~ MD~ não maior que a capacidade inicial máxima C~ M~ e um sensor linear de oxigênio 7 disposto a jusante da armadilha para a coletagem de óxidos de nitrogênio 5 e gerando ao menos um sinal V~ 2~ de composição a jusante substancialmente proporcional ao título de oxigênio <sym>~ v~ a jusante; o método compreendendo as etapas de conduzir ao menos um processo de regeneração e de conduzir ao menos um processo de desulfuração da armadilha para a coletagem de óxidos de nitrogênio 5 e também a etapa de estimar, ao menos após cada processo de regeneração, a capacidade disponível máxima C~ MD~ como uma função da capacidade inicial máxima C~ M~ e do sinal V~ 2~ de composição a jusante.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT1999BO000478A IT1310465B1 (it) | 1999-09-07 | 1999-09-07 | Metodo autoadattativo di controllo di un sistema di scarico per motori a combustione interna ad accensione comandata. |
Publications (1)
Publication Number | Publication Date |
---|---|
BR0004244A true BR0004244A (pt) | 2001-04-10 |
Family
ID=11344207
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR0004244-7A BR0004244A (pt) | 1999-09-07 | 2000-09-06 | Método de controle auto-adaptável para um sistema de exaustão para motores de combustão interna com ignição controlada |
Country Status (6)
Country | Link |
---|---|
US (1) | US6327848B1 (pt) |
EP (1) | EP1083306B1 (pt) |
BR (1) | BR0004244A (pt) |
DE (1) | DE60002804T2 (pt) |
ES (1) | ES2211431T3 (pt) |
IT (1) | IT1310465B1 (pt) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6843051B1 (en) * | 2000-03-17 | 2005-01-18 | Ford Global Technologies, Llc | Method and apparatus for controlling lean-burn engine to purge trap of stored NOx |
DE10036453A1 (de) * | 2000-07-26 | 2002-02-14 | Bosch Gmbh Robert | Verfahren und Steuergerät zum Betreiben eines Stickoxid (NOx)-Speicherkatalysators |
DE10054005A1 (de) * | 2000-11-01 | 2002-05-08 | Daimler Chrysler Ag | Verfahren zum Betrieb einer Abgasreinigungsanlage mit Stickoxidspeicher |
US6594985B2 (en) * | 2001-06-19 | 2003-07-22 | Ford Global Technologies, Inc. | Exhaust gas aftertreatment device efficiency estimation |
LU90795B1 (en) * | 2001-06-27 | 2002-12-30 | Delphi Tech Inc | Nox release index |
DE10139992B4 (de) * | 2001-08-16 | 2006-04-27 | Daimlerchrysler Ag | Verfahren zur Regelung der Gemischzusammensetzung für einen Ottomotor mit NOx-Speicherkatalysator während einer Regenerationsphase |
US6860101B2 (en) * | 2001-10-15 | 2005-03-01 | Toyota Jidosha Kabushiki Kaisha | Exhaust gas purification system for internal combustion engine |
ITBO20030136A1 (it) * | 2003-03-13 | 2004-09-14 | Magneti Marelli Powertrain Spa | Metodo per la stima del degrado della capacita' di |
JP2004293338A (ja) * | 2003-03-25 | 2004-10-21 | Mitsubishi Fuso Truck & Bus Corp | NOx吸蔵量の推定方法 |
FR2866926B1 (fr) * | 2004-02-27 | 2008-02-22 | Peugeot Citroen Automobiles Sa | Procede de diagnostic pour un catalyseur de gaz d'echappement d'un moteur thermique et vehicule mettant en oeuvre ce procede |
FR2866925B1 (fr) * | 2004-02-27 | 2006-10-13 | Peugeot Citroen Automobiles Sa | Procede de controle du traitement des gaz d'echappement d'un moteur thermique et vehicule a moteur thermique mettant en oeuvre ce procede |
WO2005124113A2 (en) * | 2004-06-08 | 2005-12-29 | Cummins, Inc. | Method for modifying trigger level for adsorber regeneration |
JP2006090238A (ja) | 2004-09-24 | 2006-04-06 | Mitsubishi Fuso Truck & Bus Corp | NOx吸蔵触媒の吸蔵量推定装置及び吸蔵量推定方法 |
ATE467037T1 (de) * | 2005-03-02 | 2010-05-15 | Fiat Ricerche | Verfahren zur aktivierung der regeneration eines nox-adsorber |
ATE460581T1 (de) * | 2005-05-03 | 2010-03-15 | Fiat Ricerche | Verfahren zur aktivierung der regeneration eines nox-adsorber |
US8156732B2 (en) * | 2006-03-24 | 2012-04-17 | Fleetguard, Inc. | Apparatus, system, and method for regenerating an exhaust gas treatment device |
US7325394B2 (en) * | 2006-04-27 | 2008-02-05 | Ford Global Technologies Llc | System and method for desulfating a NOx trap |
FR2907163B1 (fr) * | 2006-10-12 | 2008-12-26 | Renault Sas | Dispositif et procede d'estimation de l'efficacite instantanee de stockage d'oxydes d'azote d'un systeme de piegeage catalytique d'oxydes d'azote |
US7654079B2 (en) * | 2006-11-07 | 2010-02-02 | Cummins, Inc. | Diesel oxidation catalyst filter heating system |
US7707826B2 (en) * | 2006-11-07 | 2010-05-04 | Cummins, Inc. | System for controlling triggering of adsorber regeneration |
US7533523B2 (en) * | 2006-11-07 | 2009-05-19 | Cummins, Inc. | Optimized desulfation trigger control for an adsorber |
US7594392B2 (en) | 2006-11-07 | 2009-09-29 | Cummins, Inc. | System for controlling adsorber regeneration |
US7654076B2 (en) | 2006-11-07 | 2010-02-02 | Cummins, Inc. | System for controlling absorber regeneration |
JP4355003B2 (ja) | 2007-03-08 | 2009-10-28 | 本田技研工業株式会社 | 内燃機関の制御装置 |
DE102007034822A1 (de) * | 2007-07-26 | 2009-01-29 | Ford Global Technologies, LLC, Dearborn | Verbessertes Verfahren zur Steuerung der Regeneration eines Schadstoffkatalysators oder Partikelfilters |
FR2937378B1 (fr) * | 2008-10-16 | 2011-08-26 | Renault Sas | Procede de commande de purge d'un piege a oxydes d'azote |
DE102010038175A1 (de) * | 2010-10-14 | 2012-04-19 | Ford Global Technologies, Llc. | Verfahren zum Anpassen einer Mager-NOx-Falle in einem Abgassystem eines Kraftfahrzeugs |
US8893482B2 (en) | 2012-03-19 | 2014-11-25 | GM Global Technology Operations LLC | System for determining sulfur storage of aftertreatment devices |
EP2920442B1 (en) * | 2012-10-02 | 2019-03-13 | Scania CV AB | Regulation of concentration/fraction of substances in an exhaust stream |
JP6477088B2 (ja) * | 2015-03-20 | 2019-03-06 | いすゞ自動車株式会社 | NOx吸蔵量推定装置 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2605586B2 (ja) * | 1992-07-24 | 1997-04-30 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
JP3228006B2 (ja) * | 1994-06-30 | 2001-11-12 | トヨタ自動車株式会社 | 内燃機関の排気浄化要素劣化検出装置 |
JP3542404B2 (ja) * | 1995-04-26 | 2004-07-14 | 本田技研工業株式会社 | 内燃機関の空燃比制御装置 |
GB2328626B (en) * | 1996-04-26 | 1999-08-11 | Komatsu Mfg Co Ltd | Apparatus and method for regenerating NOx catalyst for diesel engine |
US5743084A (en) * | 1996-10-16 | 1998-04-28 | Ford Global Technologies, Inc. | Method for monitoring the performance of a nox trap |
US5771685A (en) * | 1996-10-16 | 1998-06-30 | Ford Global Technologies, Inc. | Method for monitoring the performance of a NOx trap |
US6105365A (en) * | 1997-04-08 | 2000-08-22 | Engelhard Corporation | Apparatus, method, and system for concentrating adsorbable pollutants and abatement thereof |
JP3702924B2 (ja) * | 1997-05-14 | 2005-10-05 | 三菱自動車工業株式会社 | 排気浄化装置 |
EP0892159A3 (en) * | 1997-07-17 | 2000-04-26 | Hitachi, Ltd. | Exhaust gas cleaning apparatus and method for internal combustion engine |
US5974788A (en) * | 1997-08-29 | 1999-11-02 | Ford Global Technologies, Inc. | Method and apparatus for desulfating a nox trap |
DE19747222C1 (de) * | 1997-10-25 | 1999-03-04 | Daimler Benz Ag | Verbrennungsmotoranlage mit Stickoxid-Speicherkatalysator und Betriebsverfahren hierfür |
US6237330B1 (en) * | 1998-04-15 | 2001-05-29 | Nissan Motor Co., Ltd. | Exhaust purification device for internal combustion engine |
US6128899A (en) * | 1998-04-17 | 2000-10-10 | Honda Giken Kogyo Kabushiki Kaisha | Exhaust gas purification system for internal combustion engine |
US6205773B1 (en) * | 1998-07-07 | 2001-03-27 | Toyota Jidosha Kabushiki Kaisha | Exhaust gas purification device for an internal combustion engine |
US6244046B1 (en) * | 1998-07-17 | 2001-06-12 | Denso Corporation | Engine exhaust purification system and method having NOx occluding and reducing catalyst |
-
1999
- 1999-09-07 IT IT1999BO000478A patent/IT1310465B1/it active
-
2000
- 2000-09-06 DE DE60002804T patent/DE60002804T2/de not_active Expired - Fee Related
- 2000-09-06 EP EP00119501A patent/EP1083306B1/en not_active Expired - Lifetime
- 2000-09-06 ES ES00119501T patent/ES2211431T3/es not_active Expired - Lifetime
- 2000-09-06 BR BR0004244-7A patent/BR0004244A/pt not_active IP Right Cessation
- 2000-09-07 US US09/657,150 patent/US6327848B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1083306B1 (en) | 2003-05-21 |
DE60002804T2 (de) | 2004-03-11 |
ES2211431T3 (es) | 2004-07-16 |
US6327848B1 (en) | 2001-12-11 |
ITBO990478A0 (it) | 1999-09-07 |
DE60002804D1 (de) | 2003-06-26 |
IT1310465B1 (it) | 2002-02-18 |
ITBO990478A1 (it) | 2001-03-07 |
EP1083306A1 (en) | 2001-03-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] |
Free format text: REFERENTE A 10A ANUI DADE. |
|
B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |
Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2069 DE 31/08/2010. |