WO2007071301A1 - Verfahren zum betreiben eines stickoxid-speicherkatalysators an einem kraftfahrzeug unter berücksichtigung regionaler kraftstoffqualitäten - Google Patents
Verfahren zum betreiben eines stickoxid-speicherkatalysators an einem kraftfahrzeug unter berücksichtigung regionaler kraftstoffqualitäten Download PDFInfo
- Publication number
- WO2007071301A1 WO2007071301A1 PCT/EP2006/011153 EP2006011153W WO2007071301A1 WO 2007071301 A1 WO2007071301 A1 WO 2007071301A1 EP 2006011153 W EP2006011153 W EP 2006011153W WO 2007071301 A1 WO2007071301 A1 WO 2007071301A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fuel
- nitrogen oxide
- vehicle
- catalytic converter
- oxide storage
- Prior art date
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
-
- 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
- F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
-
- 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
- F01N3/0814—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with catalytic converters, e.g. NOx absorption/storage reduction catalysts
-
- 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
- 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
- F01N9/00—Electrical control of exhaust gas treating apparatus
-
- 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
- F02D41/3011—Controlling fuel injection according to or using specific or several modes of combustion
- F02D41/3076—Controlling fuel injection according to or using specific or several modes of combustion with special conditions for selecting a mode of combustion, e.g. for starting, for diagnosing
-
- 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
- F02D2200/70—Input parameters for engine control said parameters being related to the vehicle exterior
- F02D2200/701—Information about vehicle position, e.g. from navigation system or GPS signal
-
- 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
- F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
-
- 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
- Y02T10/40—Engine management systems
Definitions
- the invention relates to a method for operating a nitrogen oxide storage catalytic converter on a motor vehicle, taking into account regional fuel qualities.
- Nitrogen storage catalysts usually contain as storage components basic oxides of alkali metal or alkaline earth metals such as barium oxide and strontium oxide and store the nitrogen oxides contained in the exhaust gas in the form of nitrates of these metals.
- the storage capacity of the catalysts for the nitrogen oxides is reduced continuously. They must therefore be regenerated from time to time. This is done by brief enrichment of the air / fuel mixture. While the normal operation of vehicles with a lean air / fuel mixture takes about 1 to 5 minutes depending on the nitrogen oxide content of the exhaust gas, the regeneration is completed after a few seconds.
- the proportion of sulfur always contained in engine fuels forms sulphates under the conditions prevailing in the exhaust gas with the storage components, which reduces the storage capacity for the nitrogen oxides.
- the nitrogen oxide storage catalysts must therefore be desulfated at more or less long intervals. This is done by heating the catalyst to at least 600 0 C and changing the engine operation of lean operation in the stoichiometric or rich operation.
- the stoichiometric or rich operation of the engine is essential to make desulfation possible at around 600 ° C. Each desulfation therefore results in increased fuel consumption and contributes to the early aging of the storage catalyst.
- the temperature of the catalyst for the thermal decomposition of the sulfates would even be increased to about 1200 0 C.
- OBD On-Board Diagnostic
- DE 101 58 480 C1 describes a method for operating an engine on a motor vehicle, wherein as driving state parameters navigation signals are read by an external navigation system, for example, to carry out the desulfurization of a nitrogen oxide storage catalytic converter preferably on a highway.
- WO 01/25606 A1 discloses a control unit for regenerating a storage catalytic converter, which is connected to a navigation system.
- the navigation system determines before the start of the regeneration on the basis of the known route information, at what time and at which location the storage catalytic converter can be regenerated without violating local regulations for emissions.
- EP 0 859 132 A1 also describes an emission control device which uses the information about the driving state from a navigation system in the regeneration of, for example, a nitrogen oxide storage catalytic converter.
- the invention is based on a motor vehicle which is equipped with a lean-burned gasoline engine or with a diesel engine and has an electronic engine control system and a navigation system.
- the method is characterized in that the electronic engine control switches in the case of the lean-burned gasoline engine to stoichiometric operation or in the case of the diesel engine, the automatic desulfurization of the nitrogen oxide storage catalyst stops when the navigation system detects that the vehicle is in a region with high sulfur content in Fuel is moving.
- the lean-burned gasoline engine is switched to stoichiometric operation in regions with high sulfur content in the fuel.
- the nitrogen oxide storage catalyst acts in this case as a three-way catalyst.
- the sulfates formed on the catalyst decompose under stoichiometric or rich exhaust conditions already at exhaust gas temperatures above 600 0 C. These temperatures are usually reached in the stoichiometric gasoline engine usually.
- the desulfation of the storage catalytic converter is blocked by the engine control system at high sulfur contents exceeding the limit value.
- the switchover to stoichiometric operation or the suppression of the automatic desulfurization takes place only when the still existing at the entrance to the region with high sulfur content in the tank fuel is used up and must be refueled.
- the engine control preferably returns to normal operation only when the vehicle enters a region with the fuel prescribed for the vehicle and the fuel with higher sulfur content is consumed.
- the switching to stoichiometric operation or the suppression of the automatic desulfurization can also be initiated if the measurement of the nitrogen oxide concentration, for example with a nitrogen oxide sensor behind the nitrogen oxide storage catalyst, exceeds a specific threshold value.
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008546161A JP2009520145A (ja) | 2005-12-20 | 2006-11-22 | 自動車における窒素酸化物吸蔵還元触媒の地域毎の燃料品質を考慮した作動方法 |
US12/158,099 US20080314030A1 (en) | 2005-12-20 | 2006-11-22 | Method for Operating a Nitrogen Oxide Storage Catalytic Converter in a Motor Vechicle with Consideration of Regional Fuel Qualities |
EP06818706A EP1963647A1 (de) | 2005-12-20 | 2006-11-22 | Verfahren zum betreiben eines stickoxid-speicherkatalysators an einem kraftfahrzeug unter berücksichtigung regionaler kraftstoffqualitäten |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005060830.2 | 2005-12-20 | ||
DE102005060830A DE102005060830B4 (de) | 2005-12-20 | 2005-12-20 | Verfahren zum Betreiben eines Stickoxid-Speicherkatalysators an einem Kraftfahrzeug unter Berücksichtigung regionaler Kraftstoffqualitäten |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007071301A1 true WO2007071301A1 (de) | 2007-06-28 |
Family
ID=37876883
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2006/011153 WO2007071301A1 (de) | 2005-12-20 | 2006-11-22 | Verfahren zum betreiben eines stickoxid-speicherkatalysators an einem kraftfahrzeug unter berücksichtigung regionaler kraftstoffqualitäten |
Country Status (7)
Country | Link |
---|---|
US (1) | US20080314030A1 (de) |
EP (1) | EP1963647A1 (de) |
JP (1) | JP2009520145A (de) |
CN (1) | CN101341323A (de) |
DE (1) | DE102005060830B4 (de) |
RU (1) | RU2008129632A (de) |
WO (1) | WO2007071301A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4688941B2 (ja) * | 2008-08-05 | 2011-05-25 | 本田技研工業株式会社 | 触媒の劣化判定装置 |
GB2479196B (en) * | 2010-04-01 | 2016-10-26 | Ford Global Tech Llc | A method for regenerating a particulate filter |
DE102016209358B4 (de) | 2016-05-31 | 2018-10-18 | Continental Automotive Gmbh | Verfahren, Vorrichtung zum Überwachen einer Stickoxidfalle, Computerprogramm und Computerprogrammprodukt |
CN109200820B (zh) * | 2018-09-21 | 2021-03-12 | 无锡威孚力达催化净化器有限责任公司 | 解决doc轻度硫中毒的自动控制逐步提温脱硫方法 |
CN112282933B (zh) * | 2020-09-30 | 2021-11-05 | 北汽福田汽车股份有限公司 | 一种车辆燃油硫含量监测方法、装置、设备及存储介质 |
CN115075943A (zh) * | 2021-03-15 | 2022-09-20 | 罗伯特·博世有限公司 | 内燃机燃料品质的预警方法、计算机程序产品及控制器 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001025606A1 (de) * | 1999-10-06 | 2001-04-12 | Robert Bosch Gmbh | Steuergerät zur reinigung eines speicherkatalysators eines kraftfahrzeugs |
EP1316705A2 (de) * | 2001-11-28 | 2003-06-04 | OMG AG & Co. KG | Verfahren und Vorrichtung zum Betreiben eines Antriebsmotors eines Fahrzeugs |
WO2005024210A1 (de) * | 2003-09-05 | 2005-03-17 | Siemens Aktiengesellschaft | Kontrolleinrichtung und kontrollverfahren für einen antrieb eines kraftfahrzeugs |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69625823T2 (de) * | 1995-10-30 | 2003-09-04 | Toyota Motor Co Ltd | Abgaskontrollvorrichtung für brennkraftmaschine |
-
2005
- 2005-12-20 DE DE102005060830A patent/DE102005060830B4/de not_active Expired - Fee Related
-
2006
- 2006-11-22 CN CNA2006800480286A patent/CN101341323A/zh active Pending
- 2006-11-22 WO PCT/EP2006/011153 patent/WO2007071301A1/de active Application Filing
- 2006-11-22 RU RU2008129632/06A patent/RU2008129632A/ru unknown
- 2006-11-22 JP JP2008546161A patent/JP2009520145A/ja not_active Withdrawn
- 2006-11-22 EP EP06818706A patent/EP1963647A1/de not_active Withdrawn
- 2006-11-22 US US12/158,099 patent/US20080314030A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001025606A1 (de) * | 1999-10-06 | 2001-04-12 | Robert Bosch Gmbh | Steuergerät zur reinigung eines speicherkatalysators eines kraftfahrzeugs |
EP1316705A2 (de) * | 2001-11-28 | 2003-06-04 | OMG AG & Co. KG | Verfahren und Vorrichtung zum Betreiben eines Antriebsmotors eines Fahrzeugs |
DE10158480C1 (de) * | 2001-11-28 | 2003-10-09 | Omg Ag & Co Kg | Verfahren und Vorrichtung zum Betreiben eines Motors eines Kraftfahrzeuges |
WO2005024210A1 (de) * | 2003-09-05 | 2005-03-17 | Siemens Aktiengesellschaft | Kontrolleinrichtung und kontrollverfahren für einen antrieb eines kraftfahrzeugs |
Also Published As
Publication number | Publication date |
---|---|
RU2008129632A (ru) | 2010-01-27 |
CN101341323A (zh) | 2009-01-07 |
EP1963647A1 (de) | 2008-09-03 |
US20080314030A1 (en) | 2008-12-25 |
DE102005060830A1 (de) | 2007-06-28 |
JP2009520145A (ja) | 2009-05-21 |
DE102005060830B4 (de) | 2007-10-11 |
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