US20040060281A1 - Method and device for after-treatment of exhaust gas - Google Patents

Method and device for after-treatment of exhaust gas Download PDF

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Publication number
US20040060281A1
US20040060281A1 US10/415,681 US41568103A US2004060281A1 US 20040060281 A1 US20040060281 A1 US 20040060281A1 US 41568103 A US41568103 A US 41568103A US 2004060281 A1 US2004060281 A1 US 2004060281A1
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United States
Prior art keywords
exhaust gas
oxidizing agents
temperature
aftertreatment
recited
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
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US10/415,681
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English (en)
Inventor
Norbert Breuer
Reinhard Pfendtner
Stefan Fischer
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Robert Bosch GmbH
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Individual
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Filing date
Publication date
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Assigned to ROBERT BOSCH GMBH reassignment ROBERT BOSCH GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: FISCHER, STEFAN, PFENDTNER, REINHARD, BREUER, NORBERT
Publication of US20040060281A1 publication Critical patent/US20040060281A1/en
Abandoned legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/32—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by electrical effects other than those provided for in group B01D61/00
    • 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
    • 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
    • F01N3/0231—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 special exhaust apparatus upstream of the filter for producing nitrogen dioxide, e.g. for continuous filter regeneration systems [CRT]
    • 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
    • F01N3/027—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 electric or magnetic heating means
    • F01N3/0275—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 electric or magnetic heating means using electric discharge means
    • 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
    • F01N3/0892—Electric or magnetic treatment, e.g. dissociation of noxious components
    • 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
    • F01N9/002—Electrical control of exhaust gas treating apparatus of filter regeneration, e.g. detection of clogging
    • 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
    • F01N2240/38—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 an ozone (O3) generator, e.g. for adding ozone after generation of ozone from air
    • 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 present invention is directed to a method and a device for use in the aftertreatment of exhaust gas of an internal combustion engine.
  • German Published Patent Application No.198 26 831 describes a device, in which a plasma reactor is positioned before a particle filter in the exhaust gas system, but the plasma reactor is always operated in the same way, independently of the operating state of the engine.
  • the method according to the present invention and the device according to the present invention have the advantage over the related art of ensuring energy-efficient aftertreatment of exhaust gas.
  • FIG. 1 shows a device for exhaust-gas aftertreatment.
  • FIG. 2 shows a diagram according to the present invention.
  • FIG. 3 shows a method according to the present invention.
  • FIG. 1 shows an exhaust gas line 30 , in which an exhaust-gas aftertreatment unit 10 , implemented as a particle filter, is positioned.
  • an exhaust-gas aftertreatment unit 10 implemented as a particle filter
  • Pressure sensors 42 and/or 44 which are connected electrically, for example, to a control unit 50 to transmit signals and which project into the exhaust gas line, are mounted directly upstream and downstream from the particle filter.
  • a temperature sensor 40 which is also connected to the control unit, projects into exhaust gas line 30 upstream from the oxidation reactor.
  • the plasma reactor is also electrically connected to the control unit.
  • the power supply for the measurement sensors and/or the oxidation reactor is not illustrated in greater detail.
  • the oxidation reactor produces a non-thermal plasma in exhaust gas 11 flowing into it, using a dielectrically hindered electrical discharge, for example, between two electrodes whose power supply may be controlled via control unit 50 .
  • the load state of the particle filter may be determined by the control unit, for example, by analyzing the pressure signals of the two pressure sensors, i.e., by determining a differential pressure.
  • the control unit causes the application of a suitable voltage, for example, a high-frequency AC electrical voltage, to the electrodes of the plasma reactor in order to obtain oxidizing agents from exhaust gas components, which results in burn-off of the soot in the particle filter and therefore in the regeneration of the particle filter. If the load state falls below a second value, which is less than the first value, the plasma generator is switched off again.
  • the electrical energy supplied in the switched-on state of the plasma reactor results in the production of high-energy electrons and UV light, which favors the development of radicals.
  • nitrogen monoxide molecules are primarily oxidized to nitrogen dioxide or (at higher electrical power) the residual oxygen remaining in the exhaust gas is also oxidized to ozone.
  • the control unit is implemented in a way such that, if regeneration is required, the electrical power is set as a function of the exhaust gas temperature.
  • a higher electrical power is selected in order to produce additional ozone in greater quantities, while at exhaust gas temperatures above 200 degrees Celsius, preferably above 250 degrees Celsius, the regeneration runs sufficiently rapidly using nitrogen dioxide as an oxidizing agent, so that a lower power level, at which mainly nitrogen dioxide and hardly any ozone is produced, is sufficient for the plasma reactor. Interpolation between the two power levels may be performed in the exhaust gas temperature range of between 150 and 250 degrees Celsius.
  • an amount of energy of 10 to 15 watt-hours per gram of ozone is typically necessary, so that for soot oxidation using ozone, energy consumption of between 1 and 300 joules per liter of exhaust gas, in particular 10 to 50 joules per liter of exhaust gas, is typically needed.
  • the wide range is explained by the strong dependence on the type and layout of the internal combustion engine.
  • there is the conversion of nitrogen monoxide to nitrogen dioxide which runs simultaneously in the low-temperature range of the exhaust gas, having an energy requirement of 2 to 200 joules, in particular 5 to 50 joules, per liter of exhaust gas.
  • the oxidation of soot using nitrogen dioxide begins above 200 degrees Celsius, in particular above 250 degrees Celsius, as already explained, so that only the latter amount of energy is required. Therefore, the consumption may be significantly reduced, typically by at least 30 percent, through the changeover.
  • temperature sensor 40 may also be positioned between the oxidation reactor and the particle filter.
  • the plasma generator may also be operated continuously. The exhaust gas counterpressure then does not have to be determined, and the pressure sensors may be dispensed with.
  • the pressure sensors may be used for detecting anomalous operating states such as a filter obstruction.
  • a changeover point may also be selected, at 200 degrees Celsius exhaust gas temperature, for example, at which a changeover between the two power levels is performed suddenly.
  • the system may switch over to nitrogen monoxide conversion above 200 degrees Celsius; however, when the temperature of 250 degrees Celsius, in particular 300 degrees Celsius, is exceeded, the plasma may be completely dispensed with if an oxidation catalytic converter is also provided, because nitrogen monoxide conversion using a catalytic converter is energetically more favorable than that using a plasma method.
  • the degree of filling of the particle filter may also be determined via a single pressure sensor using counterpressure measurement instead of via differential pressure measurement.
  • FIG. 2 shows a diagram which illustrates the effectiveness of the two oxidizing agents used, ozone and nitrogen dioxide, in a plot of soot oxidation rate R (in arbitrary units) over exhaust gas temperature T (in degrees Celsius).
  • Curve 110 represents the rate for ozone;
  • curve 120 represents the rate for nitrogen dioxide.
  • FIG. 3 illustrates through a flowchart the method of exhaust-gas aftertreatment, having a first step 150 and a further step 170 .
  • oxidizing agents are first generated by oxidizing nitrogen monoxide and/or oxygen molecules contained in the exhaust gas.
  • nitrogen monoxide is primarily produced or ozone is also produced in larger quantities in the way described above.
  • the exhaust gas is treated using the oxidizing agent, for example, regenerating the particle filter by combusting the soot which has collected therein.
  • a further embodiment of the present invention includes exhaust-gas aftertreatment in the form of oxidation of hydrocarbon residues within the exhaust at exhaust gas temperatures below 200 degrees Celsius, in particular below 150 degrees Celsius, for example.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Processes For Solid Components From Exhaust (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Treating Waste Gases (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
US10/415,681 2001-08-31 2002-08-10 Method and device for after-treatment of exhaust gas Abandoned US20040060281A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10142801A DE10142801A1 (de) 2001-08-31 2001-08-31 Verfahren und Vorrichtung zur Abgasnachbehandlung
DE10142801.4 2001-08-31
PCT/DE2002/002943 WO2003026778A1 (fr) 2001-08-31 2002-08-10 Procede et dispositif pour retraiter des gaz d'echappement

Publications (1)

Publication Number Publication Date
US20040060281A1 true US20040060281A1 (en) 2004-04-01

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ID=7697336

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US10/415,681 Abandoned US20040060281A1 (en) 2001-08-31 2002-08-10 Method and device for after-treatment of exhaust gas

Country Status (6)

Country Link
US (1) US20040060281A1 (fr)
EP (1) EP1425084B1 (fr)
JP (1) JP2005502823A (fr)
KR (1) KR20040043095A (fr)
DE (2) DE10142801A1 (fr)
WO (1) WO2003026778A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040093853A1 (en) * 2002-11-08 2004-05-20 Hemingway Mark D. System and method for using nonthermal plasma reactors
US20090019844A1 (en) * 2005-06-17 2009-01-22 Toyota Jidosha Kabushiki Kaisha Exhaust Gas Purification System Utilizing Ozone
US20100024398A1 (en) * 2006-12-28 2010-02-04 Toyota Jidosha Kabushiki Kaisha Exhaust emission control apparatus for internal combustion engine
US20100281856A1 (en) * 2006-06-09 2010-11-11 Yuji Sakakibara Device for purification of exhaust gas
US20110030347A1 (en) * 2008-03-14 2011-02-10 Imagineering, Inc. After-treatment apparatus for exhaust gas right after a combustion chamber
CN102678238A (zh) * 2012-05-21 2012-09-19 江苏大学 一种发动机排放控制系统及控制方法
US20120304736A1 (en) * 2004-06-18 2012-12-06 Ralf Schmidt Method, particle sensor and particle sensor system for measuring particles

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2859240A1 (fr) * 2003-09-02 2005-03-04 Renault Sa Procede de traitement d'un filtre a particules pour l'epuration de gaz d'echappement d'un moteur a combustion et dispositif de traitement d'un filtre a particules
DE102005000978B4 (de) * 2005-01-07 2011-06-01 Continental Automotive Gmbh Vorrichtung zur Steuerung des Schadstoffausstoßes eines selbstzündenden Verbrennungsmotors
JP4696655B2 (ja) * 2005-04-14 2011-06-08 トヨタ自動車株式会社 内燃機関の排気浄化システム
JP2006307802A (ja) * 2005-05-02 2006-11-09 Toyota Central Res & Dev Lab Inc 排ガス浄化装置
JP4263711B2 (ja) 2005-09-16 2009-05-13 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP4513861B2 (ja) 2005-10-18 2010-07-28 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP4270224B2 (ja) 2005-11-09 2009-05-27 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP4449947B2 (ja) 2006-07-05 2010-04-14 トヨタ自動車株式会社 内燃機関の制御装置
JP5256415B2 (ja) 2008-03-14 2013-08-07 イマジニアリング株式会社 燃焼室の排気ガス後処理装置
US9677448B2 (en) * 2015-04-17 2017-06-13 Ford Global Technologies, Llc Method and system for reducing engine exhaust emissions
DE102015212039A1 (de) * 2015-06-29 2016-12-29 E.G.O. Elektro-Gerätebau GmbH Verfahren zur Regenerierung eines Adsorbers und Adsorbervorrichtung

Citations (7)

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US5746984A (en) * 1996-06-28 1998-05-05 Low Emissions Technologies Research And Development Partnership Exhaust system with emissions storage device and plasma reactor
US6038854A (en) * 1996-08-19 2000-03-21 The Regents Of The University Of California Plasma regenerated particulate trap and NOx reduction system
US6374595B1 (en) * 1996-08-19 2002-04-23 The Regents Of The University Of California Plasma-assisted catalytic storage reduction system
US6475350B2 (en) * 1997-07-18 2002-11-05 Noxtech Inc Method for removing NOx and other pollutants from gas streams using a plasma assisted catalyst
US6474060B2 (en) * 1999-11-17 2002-11-05 Southwest Research Institute Exhaust gas recirculation filtration system
US6557340B1 (en) * 1998-10-09 2003-05-06 Johnson Matthey Public Limited Company System and method for purifying exhaust gases
US6775972B2 (en) * 1998-10-09 2004-08-17 Johnson Matthey Public Limited Company Purification of exhaust gases

Family Cites Families (2)

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DE19826831A1 (de) * 1998-04-09 1999-10-14 Fev Motorentech Gmbh Verfahren zur Verminderung der Schadstoffemission von Kraftfahrzeugen
DE10130163B4 (de) * 2000-11-21 2012-01-12 Siemens Ag Anordnung zur Verminderung kohlenstoffhaltiger Partikelemissionen von Dieselmotoren

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5746984A (en) * 1996-06-28 1998-05-05 Low Emissions Technologies Research And Development Partnership Exhaust system with emissions storage device and plasma reactor
US6038854A (en) * 1996-08-19 2000-03-21 The Regents Of The University Of California Plasma regenerated particulate trap and NOx reduction system
US6374595B1 (en) * 1996-08-19 2002-04-23 The Regents Of The University Of California Plasma-assisted catalytic storage reduction system
US6475350B2 (en) * 1997-07-18 2002-11-05 Noxtech Inc Method for removing NOx and other pollutants from gas streams using a plasma assisted catalyst
US6557340B1 (en) * 1998-10-09 2003-05-06 Johnson Matthey Public Limited Company System and method for purifying exhaust gases
US6775972B2 (en) * 1998-10-09 2004-08-17 Johnson Matthey Public Limited Company Purification of exhaust gases
US6474060B2 (en) * 1999-11-17 2002-11-05 Southwest Research Institute Exhaust gas recirculation filtration system

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040093853A1 (en) * 2002-11-08 2004-05-20 Hemingway Mark D. System and method for using nonthermal plasma reactors
US20120304736A1 (en) * 2004-06-18 2012-12-06 Ralf Schmidt Method, particle sensor and particle sensor system for measuring particles
US20090019844A1 (en) * 2005-06-17 2009-01-22 Toyota Jidosha Kabushiki Kaisha Exhaust Gas Purification System Utilizing Ozone
US8051643B2 (en) 2005-06-17 2011-11-08 Toyota Jidosha Kabushiki Kaisha Exhaust gas purification system utilizing ozone
US20100281856A1 (en) * 2006-06-09 2010-11-11 Yuji Sakakibara Device for purification of exhaust gas
US8484952B2 (en) 2006-06-09 2013-07-16 Toyota Jidosha Kabushiki Kaisha Device for purification of exhaust gas
US20100024398A1 (en) * 2006-12-28 2010-02-04 Toyota Jidosha Kabushiki Kaisha Exhaust emission control apparatus for internal combustion engine
US20110030347A1 (en) * 2008-03-14 2011-02-10 Imagineering, Inc. After-treatment apparatus for exhaust gas right after a combustion chamber
US8850795B2 (en) 2008-03-14 2014-10-07 Imagineering, Inc. After-treatment apparatus for exhaust gas right after a combustion chamber
CN102678238A (zh) * 2012-05-21 2012-09-19 江苏大学 一种发动机排放控制系统及控制方法

Also Published As

Publication number Publication date
EP1425084A1 (fr) 2004-06-09
DE50214806D1 (de) 2011-01-20
JP2005502823A (ja) 2005-01-27
EP1425084B1 (fr) 2010-12-08
DE10142801A1 (de) 2003-03-20
WO2003026778A1 (fr) 2003-04-03
KR20040043095A (ko) 2004-05-22

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Owner name: ROBERT BOSCH GMBH, GERMANY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:BREUER, NORBERT;PFENDTNER, REINHARD;FISCHER, STEFAN;REEL/FRAME:014576/0440;SIGNING DATES FROM 20030606 TO 20030615

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