JP4290110B2 - 排気浄化装置 - Google Patents

排気浄化装置 Download PDF

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Publication number
JP4290110B2
JP4290110B2 JP2004320528A JP2004320528A JP4290110B2 JP 4290110 B2 JP4290110 B2 JP 4290110B2 JP 2004320528 A JP2004320528 A JP 2004320528A JP 2004320528 A JP2004320528 A JP 2004320528A JP 4290110 B2 JP4290110 B2 JP 4290110B2
Authority
JP
Japan
Prior art keywords
reducing agent
pressure
agent container
air
engine
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
JP2004320528A
Other languages
English (en)
Japanese (ja)
Other versions
JP2006132384A (ja
Inventor
信彦 正木
友康 原田
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.)
UD Trucks Corp
Original Assignee
UD Trucks 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 UD Trucks Corp filed Critical UD Trucks Corp
Priority to JP2004320528A priority Critical patent/JP4290110B2/ja
Priority to PCT/JP2005/017128 priority patent/WO2006048977A1/fr
Publication of JP2006132384A publication Critical patent/JP2006132384A/ja
Application granted granted Critical
Publication of JP4290110B2 publication Critical patent/JP4290110B2/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]
    • 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
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/90—Injecting reactants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/206—Ammonium compounds
    • B01D2251/2067—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
    • F01N2610/14—Arrangements for the supply of substances, e.g. conduits
    • F01N2610/1473—Overflow or return means for the substances, e.g. conduits or valves for the return path
    • 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Toxicology (AREA)
  • Biomedical Technology (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)
JP2004320528A 2004-11-04 2004-11-04 排気浄化装置 Expired - Fee Related JP4290110B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2004320528A JP4290110B2 (ja) 2004-11-04 2004-11-04 排気浄化装置
PCT/JP2005/017128 WO2006048977A1 (fr) 2004-11-04 2005-09-16 Dispositif d’épuration de gaz d’échappement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004320528A JP4290110B2 (ja) 2004-11-04 2004-11-04 排気浄化装置

Publications (2)

Publication Number Publication Date
JP2006132384A JP2006132384A (ja) 2006-05-25
JP4290110B2 true JP4290110B2 (ja) 2009-07-01

Family

ID=36318992

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004320528A Expired - Fee Related JP4290110B2 (ja) 2004-11-04 2004-11-04 排気浄化装置

Country Status (2)

Country Link
JP (1) JP4290110B2 (fr)
WO (1) WO2006048977A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070289288A1 (en) * 2006-06-19 2007-12-20 Ford Global Technologies, Llc Venting of on-board vehicle emissions treatment system with pressure assist
JP4730278B2 (ja) * 2006-10-20 2011-07-20 株式会社デンソー エンジンの排気浄化装置
JP2008151094A (ja) 2006-12-20 2008-07-03 Aisan Ind Co Ltd 内燃機関の排気浄化装置
JP4853472B2 (ja) * 2007-12-21 2012-01-11 株式会社デンソー 尿素水ポンプおよび尿素水噴射システム
JP5475243B2 (ja) * 2008-03-07 2014-04-16 ボッシュ株式会社 還元剤供給装置の制御装置及び還元剤の回収方法並びに排気浄化装置
JP5255427B2 (ja) * 2008-12-26 2013-08-07 三菱ふそうトラック・バス株式会社 尿素水タンク
JP5091933B2 (ja) * 2009-10-01 2012-12-05 日立建機株式会社 排気浄化装置
JP5010662B2 (ja) * 2009-10-08 2012-08-29 ヤンマー株式会社 排気浄化装置
JP5325850B2 (ja) * 2009-10-30 2013-10-23 ボッシュ株式会社 還元剤噴射弁の異常検出装置及び異常検出方法、並びに内燃機関の排気浄化装置
JP5906637B2 (ja) * 2011-09-28 2016-04-20 いすゞ自動車株式会社 異物除去方法及び選択還元触媒システム
JP6506679B2 (ja) * 2015-11-09 2019-04-24 日立建機株式会社 作業機械
KR101960689B1 (ko) * 2017-12-13 2019-07-15 한국에너지기술연구원 공기압을 이용한 요소수 분사장치 및 그를 포함하는 NOx 저감장치

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0773660B2 (ja) * 1988-02-19 1995-08-09 三菱重工業株式会社 排ガス脱硝用のＮＯｘ還元剤注入法
JPH0712660Y2 (ja) * 1990-04-10 1995-03-29 日野自動車工業株式会社 ディーゼル・エンジンに使用される排気浄化装置
DE4436397B4 (de) * 1994-10-12 2006-06-08 Robert Bosch Gmbh Einrichtung zum Nachbehandeln von Abgasen
JP2001523165A (ja) * 1997-12-12 2001-11-20 エフエーファウ・モトーレンテヒニク・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング・ウント・コンパニー・コマンディトゲゼルシャフト 酸素を含む排ガス特に内燃機関の排ガス内の窒素酸化物を還元する方法
DE60200491T2 (de) * 2001-03-02 2005-06-09 Haldor Topsoe A/S SCR Verfahren und Vorrichtung zur Reduktion von NOx-Emissionen
EP1420873B1 (fr) * 2001-08-18 2008-03-26 Robert Bosch Gmbh Ensemble et procede de stockage et de dosage d'un agent de reduction

Also Published As

Publication number Publication date
JP2006132384A (ja) 2006-05-25
WO2006048977A1 (fr) 2006-05-11

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