JP6930521B2 - エンジンの排気浄化システム - Google Patents

エンジンの排気浄化システム Download PDF

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Publication number
JP6930521B2
JP6930521B2 JP2018247795A JP2018247795A JP6930521B2 JP 6930521 B2 JP6930521 B2 JP 6930521B2 JP 2018247795 A JP2018247795 A JP 2018247795A JP 2018247795 A JP2018247795 A JP 2018247795A JP 6930521 B2 JP6930521 B2 JP 6930521B2
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JP
Japan
Prior art keywords
spray
speed
injection
control unit
reducing 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.)
Active
Application number
JP2018247795A
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English (en)
Japanese (ja)
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JP2020106011A (ja
JP2020106011A5 (enExample
Inventor
賢吾 古川
賢吾 古川
勇介 本江
勇介 本江
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 JP2018247795A priority Critical patent/JP6930521B2/ja
Priority to PCT/JP2019/049590 priority patent/WO2020137739A1/ja
Publication of JP2020106011A publication Critical patent/JP2020106011A/ja
Publication of JP2020106011A5 publication Critical patent/JP2020106011A5/ja
Application granted granted Critical
Publication of JP6930521B2 publication Critical patent/JP6930521B2/ja
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    • 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
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • 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
    • 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
    • F01N3/24—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 constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Toxicology (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
JP2018247795A 2018-12-28 2018-12-28 エンジンの排気浄化システム Active JP6930521B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2018247795A JP6930521B2 (ja) 2018-12-28 2018-12-28 エンジンの排気浄化システム
PCT/JP2019/049590 WO2020137739A1 (ja) 2018-12-28 2019-12-18 エンジンの排気浄化システム

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2018247795A JP6930521B2 (ja) 2018-12-28 2018-12-28 エンジンの排気浄化システム

Publications (3)

Publication Number Publication Date
JP2020106011A JP2020106011A (ja) 2020-07-09
JP2020106011A5 JP2020106011A5 (enExample) 2020-12-10
JP6930521B2 true JP6930521B2 (ja) 2021-09-01

Family

ID=71129729

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018247795A Active JP6930521B2 (ja) 2018-12-28 2018-12-28 エンジンの排気浄化システム

Country Status (2)

Country Link
JP (1) JP6930521B2 (enExample)
WO (1) WO2020137739A1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3136997B1 (fr) * 2022-06-24 2025-11-07 Faurecia Systemes Dechappement Pulvérisateur de fluide réducteur

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4408051B2 (ja) * 2004-03-25 2010-02-03 日産ディーゼル工業株式会社 エンジンの排気浄化装置
JP2005214172A (ja) * 2004-02-02 2005-08-11 Nissan Diesel Motor Co Ltd エンジンの排気浄化装置
JP2008180202A (ja) * 2007-01-26 2008-08-07 Nissan Diesel Motor Co Ltd 排気浄化装置
JP5570188B2 (ja) * 2009-11-16 2014-08-13 Ｕｄトラックス株式会社 エンジンの排気浄化装置
JP6685728B2 (ja) * 2016-01-06 2020-04-22 株式会社Ｓｏｋｅｎ 内燃機関の排気浄化装置

Also Published As

Publication number Publication date
JP2020106011A (ja) 2020-07-09
WO2020137739A1 (ja) 2020-07-02

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