JP5787090B2 - 内燃機関の排気浄化装置 - Google Patents

内燃機関の排気浄化装置 Download PDF

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Publication number
JP5787090B2
JP5787090B2 JP2012008190A JP2012008190A JP5787090B2 JP 5787090 B2 JP5787090 B2 JP 5787090B2 JP 2012008190 A JP2012008190 A JP 2012008190A JP 2012008190 A JP2012008190 A JP 2012008190A JP 5787090 B2 JP5787090 B2 JP 5787090B2
Authority
JP
Japan
Prior art keywords
urea water
reducing agent
addition
amount
total
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
JP2012008190A
Other languages
English (en)
Japanese (ja)
Other versions
JP2013147982A (ja
Inventor
太田　裕彦
裕彦 太田
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.)
Toyota Motor Corp
Original Assignee
Toyota Motor 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 Toyota Motor Corp filed Critical Toyota Motor Corp
Priority to JP2012008190A priority Critical patent/JP5787090B2/ja
Priority to DE102013200445.1A priority patent/DE102013200445B4/de
Publication of JP2013147982A publication Critical patent/JP2013147982A/ja
Application granted granted Critical
Publication of JP5787090B2 publication Critical patent/JP5787090B2/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
    • 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]
    • F01N3/208—Control of selective catalytic reduction [SCR], e.g. dosing of reducing agent
    • 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
    • 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
    • F01N2610/10—Adding substances to exhaust gases the substance being heated, e.g. by heating tank or supply line of the added substance
    • 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
    • F01N2610/10—Adding substances to exhaust gases the substance being heated, e.g. by heating tank or supply line of the added substance
    • F01N2610/105—Control thereof
    • 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
    • F01N2900/18—Parameters used for exhaust control or diagnosing said parameters being related to the system for adding a substance into the exhaust
    • F01N2900/1806—Properties of reducing agent or dosing system
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
JP2012008190A 2012-01-18 2012-01-18 内燃機関の排気浄化装置 Expired - Fee Related JP5787090B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2012008190A JP5787090B2 (ja) 2012-01-18 2012-01-18 内燃機関の排気浄化装置
DE102013200445.1A DE102013200445B4 (de) 2012-01-18 2013-01-15 Abgasregelungsvorrichtung für Verbrennungsmotor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012008190A JP5787090B2 (ja) 2012-01-18 2012-01-18 内燃機関の排気浄化装置

Publications (2)

Publication Number Publication Date
JP2013147982A JP2013147982A (ja) 2013-08-01
JP5787090B2 true JP5787090B2 (ja) 2015-09-30

Family

ID=48868434

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2012008190A Expired - Fee Related JP5787090B2 (ja) 2012-01-18 2012-01-18 内燃機関の排気浄化装置

Country Status (2)

Country Link
JP (1) JP5787090B2 (de)
DE (1) DE102013200445B4 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6062771B2 (ja) * 2013-03-07 2017-01-18 トヨタ自動車株式会社 内燃機関の排気浄化装置
DE102013220808B4 (de) * 2013-10-15 2017-01-19 Continental Automotive Gmbh Einspritzsteuerung für flüssige Reduktionsmittel zur Abgasnachbehandlung bei Brennkraftmaschinen
US9957862B2 (en) 2014-04-03 2018-05-01 Robert Bosch Gmbh Secondary heating device for diesel exhaust fluid tank
JP6062906B2 (ja) * 2014-10-23 2017-01-18 本田技研工業株式会社 内燃機関の排気浄化装置
DE102015206592B3 (de) * 2015-04-14 2016-07-07 Continental Automotive Gmbh Verfahren und Steuergerät zum Beeinflussen einer Zufuhr eines flüssigen Reduktionsmittels zu einem Katalysator
JP6665523B2 (ja) * 2015-12-22 2020-03-13 三菱自動車工業株式会社 排気浄化装置
SE541370C2 (en) * 2017-09-22 2019-08-27 Scania Cv Ab A system and a method for determining safe start-up of a reducing agent provision configuration
WO2019186968A1 (ja) * 2018-03-29 2019-10-03 日立建機株式会社 作業機械
JP7265948B2 (ja) * 2019-07-18 2023-04-27 株式会社小松製作所 予測装置、予測方法および作業車両
CN114483262B (zh) * 2021-12-29 2023-05-23 潍柴动力股份有限公司 尿素泵、尿素泵的控制方法及控制系统

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19933798C2 (de) * 1999-07-19 2001-06-21 Siemens Ag Vorrichtung und Verfahren zur Abgasnachbehandlung bei einer Brennkraftmaschine
JP4447142B2 (ja) * 2000-10-06 2010-04-07 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP2008115784A (ja) * 2006-11-06 2008-05-22 Hino Motors Ltd 尿素水貯蔵装置
JP2008163795A (ja) * 2006-12-27 2008-07-17 Mitsubishi Fuso Truck & Bus Corp 内燃機関の排気浄化装置
JP5294446B2 (ja) * 2008-02-08 2013-09-18 ボッシュ株式会社 温度センサの合理性診断装置及び合理性診断方法、並びに内燃機関の排気浄化装置
JP5326461B2 (ja) * 2008-09-22 2013-10-30 マツダ株式会社 エンジンの排気浄化装置
JP4978635B2 (ja) * 2009-02-12 2012-07-18 株式会社デンソー 排気浄化システムの制御装置
JP4911193B2 (ja) * 2009-04-28 2012-04-04 株式会社デンソー 内燃機関の排気浄化システム
JP5671840B2 (ja) * 2010-05-17 2015-02-18 いすゞ自動車株式会社 Ｓｃｒ解凍制御システム

Also Published As

Publication number Publication date
DE102013200445B4 (de) 2022-12-01
JP2013147982A (ja) 2013-08-01
DE102013200445A1 (de) 2013-08-14

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