JP4407705B2 - 排気浄化剤の添加量制御装置、及び排気浄化システム - Google Patents

排気浄化剤の添加量制御装置、及び排気浄化システム Download PDF

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Publication number
JP4407705B2
JP4407705B2 JP2007046062A JP2007046062A JP4407705B2 JP 4407705 B2 JP4407705 B2 JP 4407705B2 JP 2007046062 A JP2007046062 A JP 2007046062A JP 2007046062 A JP2007046062 A JP 2007046062A JP 4407705 B2 JP4407705 B2 JP 4407705B2
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Japan
Prior art keywords
amount
addition amount
control
exhaust
agent
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
JP2007046062A
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English (en)
Japanese (ja)
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JP2008208777A (ja
Inventor
中 市川
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.)
Denso Corp
Original Assignee
Denso Corp
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 Denso Corp filed Critical Denso Corp
Priority to JP2007046062A priority Critical patent/JP4407705B2/ja
Priority to US12/068,697 priority patent/US20080202104A1/en
Priority to DE102008000338A priority patent/DE102008000338A1/de
Publication of JP2008208777A publication Critical patent/JP2008208777A/ja
Application granted granted Critical
Publication of JP4407705B2 publication Critical patent/JP4407705B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F01N3/10—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
    • F01N3/2066—Selective catalytic reduction [SCR]
    • 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
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
JP2007046062A 2007-02-26 2007-02-26 排気浄化剤の添加量制御装置、及び排気浄化システム Expired - Fee Related JP4407705B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2007046062A JP4407705B2 (ja) 2007-02-26 2007-02-26 排気浄化剤の添加量制御装置、及び排気浄化システム
US12/068,697 US20080202104A1 (en) 2007-02-26 2008-02-11 Controller of exhaust gas purifying agent and exhaust gas purifying system
DE102008000338A DE102008000338A1 (de) 2007-02-26 2008-02-18 Abgasreinigungsmittelsteuerungseinrichtung und Abgasreinigungssystem

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007046062A JP4407705B2 (ja) 2007-02-26 2007-02-26 排気浄化剤の添加量制御装置、及び排気浄化システム

Publications (2)

Publication Number Publication Date
JP2008208777A JP2008208777A (ja) 2008-09-11
JP4407705B2 true JP4407705B2 (ja) 2010-02-03

Family

ID=39646196

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007046062A Expired - Fee Related JP4407705B2 (ja) 2007-02-26 2007-02-26 排気浄化剤の添加量制御装置、及び排気浄化システム

Country Status (3)

Country Link
US (1) US20080202104A1 (de)
JP (1) JP4407705B2 (de)
DE (1) DE102008000338A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9605064B2 (en) * 2006-04-10 2017-03-28 Abbvie Biotechnology Ltd Methods and compositions for treatment of skin disorders
JP2009115032A (ja) * 2007-11-08 2009-05-28 Nippon Soken Inc 内燃機関の排気浄化装置
DK2235338T4 (en) * 2007-12-05 2015-12-14 Emitec Denmark As Nozzle arrangement
DE102008001789A1 (de) * 2008-05-15 2009-11-19 Robert Bosch Gmbh Verfahren zum Betreiben eines Dosierventils und Vorrichtung zur Durchführung des Verfahrens
US8919102B2 (en) * 2009-01-13 2014-12-30 Toyota Jidosha Kabushiki Kaisha Exhaust purifying device for internal combustion engines
US20100229539A1 (en) * 2009-03-16 2010-09-16 Caterpillar Inc. Hydrocarbon scr aftertreatment system
GB2480465A (en) * 2010-05-19 2011-11-23 Gm Global Tech Operations Inc Method of controlling injection of diesel exhaust fluid
DE202010006995U1 (de) 2010-05-19 2010-09-30 GM Global Technology Operations, Inc., Detroit Türverriegelungssystem für ein Kraftfahrzeug
US8881507B2 (en) 2011-08-22 2014-11-11 Mi Yan Air driven reductant delivery system
US9258949B2 (en) * 2013-06-19 2016-02-16 National Diversified Sales, Inc. Adjustable drip emitter
DE102017211216A1 (de) * 2017-06-30 2019-01-03 Robert Bosch Gmbh Verfahren zum Abgleich eines Drucksensors in einem SCR-System

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4315278A1 (de) * 1993-05-07 1994-11-10 Siemens Ag Verfahren und Einrichtung zur Dosierung eines Reduktionsmittels in ein stickoxidhaltiges Abgas
DE19536571C2 (de) * 1995-09-29 1998-09-03 Siemens Ag Verfahren sowie Vorrichtung zur Dosierung der Eingabe eines Reduktionsmittels in den Abgas- oder Abluftstrom einer Verbrennungsanlage
DE10100420A1 (de) * 2001-01-08 2002-07-11 Bosch Gmbh Robert Verfahren und Vorrichtung zur Steuerung eines Abgasnachbehandlungssystems
JP2003269142A (ja) 2002-03-12 2003-09-25 Babcock Hitachi Kk 排ガス浄化方法および装置
JP4075440B2 (ja) 2002-04-10 2008-04-16 三菱ふそうトラック・バス株式会社 内燃機関のＮＯｘ浄化装置
JP4114389B2 (ja) 2002-04-22 2008-07-09 三菱ふそうトラック・バス株式会社 排気浄化装置
US7093427B2 (en) * 2002-11-21 2006-08-22 Ford Global Technologies, Llc Exhaust gas aftertreatment systems
JP4284087B2 (ja) * 2003-02-18 2009-06-24 本田技研工業株式会社 内燃機関の排気ガス浄化装置
US7411402B2 (en) * 2005-08-17 2008-08-12 Delphi Technologies, Inc. Technique for reducing a parasitic DC bias voltage on a sensor
US20070137181A1 (en) * 2005-12-16 2007-06-21 Devesh Upadhyay Exhaust gas aftertreatment systems

Also Published As

Publication number Publication date
DE102008000338A1 (de) 2008-08-28
US20080202104A1 (en) 2008-08-28
JP2008208777A (ja) 2008-09-11

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