JP2015513030A - 空気支援型還元剤配送システム - Google Patents

空気支援型還元剤配送システム Download PDF

Info

Publication number
JP2015513030A
JP2015513030A JP2014557983A JP2014557983A JP2015513030A JP 2015513030 A JP2015513030 A JP 2015513030A JP 2014557983 A JP2014557983 A JP 2014557983A JP 2014557983 A JP2014557983 A JP 2014557983A JP 2015513030 A JP2015513030 A JP 2015513030A
Authority
JP
Japan
Prior art keywords
reducing agent
flow path
gas
air
exhaust gas
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.)
Withdrawn
Application number
JP2014557983A
Other languages
English (en)
Japanese (ja)
Inventor
ファン ガオフェン
ファン ガオフェン
ファン ジャンキャン
ファン ジャンキャン
ヤン　ヤン
ヤン ヤン
シュー ミンダオ
シュー ミンダオ
フー ボー
フー ボー
グアン ジャンジョン
グアン ジャンジョン
ジェン ヤンシン
ジェン ヤンシン
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.)
Tenneco Automotive Operating Co Inc
Original Assignee
Tenneco Automotive Operating Co Inc
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 Tenneco Automotive Operating Co Inc filed Critical Tenneco Automotive Operating Co Inc
Publication of JP2015513030A publication Critical patent/JP2015513030A/ja
Withdrawn legal-status Critical Current

Links

Images

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
    • F01N3/22—Control of additional air supply only, e.g. using by-passes or variable air pump drives
    • F01N3/227—Control of additional air supply only, e.g. using by-passes or variable air pump drives using pneumatically operated valves, e.g. membrane valves
    • 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
    • F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
    • 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
    • B01D53/92—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
    • 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
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—Nitrogen oxides
    • 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
    • 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
    • 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
    • F01N3/36—Arrangements for supply of additional fuel
    • 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
    • F01N2240/16—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 electric heater, i.e. a resistance heater
    • 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
    • F01N2610/08—Adding substances to exhaust gases with prior mixing of the substances with a gas, e.g. air
    • 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
    • F01N2610/1433—Pumps
    • 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
    • F01N2610/1493—Purging the reducing agent out of the conduits or nozzle
    • 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)
  • Combustion & Propulsion (AREA)
  • Toxicology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (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)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
JP2014557983A 2012-02-23 2013-02-17 空気支援型還元剤配送システム Withdrawn JP2015513030A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201210042798.7 2012-02-23
CN201210042798.7A CN103291421B (zh) 2012-02-23 2012-02-23 空气辅助式还原剂计量喷射系统
PCT/CN2013/071619 WO2013123865A1 (en) 2012-02-23 2013-02-17 Air-assisted reductant delivery system

Publications (1)

Publication Number Publication Date
JP2015513030A true JP2015513030A (ja) 2015-04-30

Family

ID=49005002

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014557983A Withdrawn JP2015513030A (ja) 2012-02-23 2013-02-17 空気支援型還元剤配送システム

Country Status (7)

Country Link
US (1) US9359928B2 (enExample)
JP (1) JP2015513030A (enExample)
KR (1) KR20140126755A (enExample)
CN (2) CN103291421B (enExample)
BR (1) BR112014019922A8 (enExample)
DE (1) DE112013001122T5 (enExample)
WO (1) WO2013123865A1 (enExample)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2992306B1 (fr) * 2012-06-20 2014-06-20 Eurocopter France Systeme de remplissage sous pression d'un reservoir, et un aeronef
US20150101316A1 (en) * 2013-10-14 2015-04-16 General Electric Company Heater assembly with protective coating and method of applying same
WO2015188329A1 (en) 2014-06-11 2015-12-17 Tenneco Automotive Operating Company Inc. Fluid delivery system with line pressure control valve
CN104405479B (zh) * 2014-11-14 2017-03-29 天纳克（苏州）排放系统有限公司 流体输送装置
CN105673171B (zh) * 2014-11-21 2019-05-24 天纳克（苏州）排放系统有限公司 尾气后处理组件
WO2016078538A1 (zh) 2014-11-21 2016-05-26 天纳克（苏州）排放系统有限公司 共轨组件、尿素喷射系统及其应用
CN105673154B (zh) * 2014-11-21 2019-11-08 天纳克（苏州）排放系统有限公司 共轨、该共轨的应用、尿素喷射系统及其控制方法
CN105822394B (zh) * 2015-01-07 2019-08-27 浙江福爱电子有限公司 一种气液混合式发动机排气后处理喷射装置
DE212017000219U1 (de) * 2016-09-16 2019-06-21 Plastic Omnium Advanced Innovation And Research Tank für demineralisiertes Wasser in einem Fahrzeug
CN107060968B (zh) * 2016-12-26 2019-11-01 潍柴动力股份有限公司 一种判断尿素泵管路堵塞或漏气的方法和系统
US12060822B2 (en) * 2017-04-13 2024-08-13 Cummins Emission Solutions Inc. Dosing module for use in aftertreatment systems for internal combustion engines
CN107387214A (zh) * 2017-08-11 2017-11-24 天纳克（苏州）排放系统有限公司 内置式尿素供给装置
FR3071013B1 (fr) 2017-09-12 2019-08-30 Continental Automotive France Procede de prevention d'un risque de gel dans un dispositif d'alimentation en agent reducteur d'un systeme de reduction catalytique selective
CN111828148B (zh) * 2019-04-15 2021-10-26 康明斯排放处理公司 用于检测未完成清除事件的系统和方法
US11255243B1 (en) * 2020-10-23 2022-02-22 Faurecia Emissions Control Technologies, Usa, Llc Dual purpose doser spring
CN113669137A (zh) * 2021-09-30 2021-11-19 潍柴动力股份有限公司 一种尿素喷射装置、尿素喷射系统及尿素喷射控制方法
CN114858197A (zh) * 2022-05-31 2022-08-05 苏州绿控传动科技股份有限公司 一种传感器壳体
CN116733578B (zh) * 2023-07-27 2025-07-29 无锡威孚力达催化净化器有限责任公司 电加热喷嘴、控制方法、装置和存储介质

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5522218A (en) * 1994-08-23 1996-06-04 Caterpillar Inc. Combustion exhaust purification system and method
CA2199737C (en) * 1994-09-13 2000-04-11 Lothar Hofman Method and device for introducing a fluid into an exhaust-gas purificat ion system
US6273120B1 (en) 1998-11-12 2001-08-14 Siemens Aktiengesellschaft Device for introducing a liquid reducing agent into an exhaust gas purification system
DE10040571A1 (de) 2000-08-18 2002-02-28 Bosch Gmbh Robert Vorrichtung zur Erzeugung eines Reduktionsmittel-Luft-Gemisches
DE50212911D1 (de) 2002-12-23 2008-11-27 Grundfos Nonox As Dosierpumpenaggregat
JP4152833B2 (ja) 2003-07-30 2008-09-17 日産ディーゼル工業株式会社 エンジンの排気浄化装置
EP1672191B1 (en) 2003-10-02 2011-08-17 Nissan Diesel Motor Co., Ltd. Exhaust gas cleaner for engine
ATE360137T1 (de) * 2004-12-30 2007-05-15 Grundfos Management As Dosierpumpenaggregat
DE502004010210D1 (de) 2004-12-30 2009-11-19 Grundfos Nonox As Dosierpumpenaggregat
JP4799289B2 (ja) * 2006-06-26 2011-10-26 Ｕｄトラックス株式会社 エンジンの排気浄化装置
EP2082122B1 (en) 2006-10-16 2014-04-23 Volvo Lastvagnar AB Urea supply system
KR101451463B1 (ko) 2007-08-20 2014-10-21 파커-한니핀 코포레이션 능동적 디젤 미립자 필터 재생을 위한 디젤 투여 시스템
FR2928411B1 (fr) * 2008-03-06 2012-04-06 Peugeot Citroen Automobiles Sa Procede et dispositif de gestion d'une solution de traitement des gaz d'echappement.
EP2279335B1 (en) 2008-04-15 2016-05-11 G.W. Lisk Company, Inc. System for purging a device
US8359831B2 (en) * 2008-10-31 2013-01-29 Ti Group Automotive Systems, L.L.C. Reactant delivery for engine exhaust gas treatment
DE102008057258A1 (de) * 2008-11-13 2010-05-20 Albonair Gmbh Komponententräger für ein Dosiersystem
US8459012B2 (en) 2008-11-19 2013-06-11 Caterpillar Inc. Method for purging a dosing system
DE102009041179A1 (de) * 2009-09-11 2011-03-24 Emitec Gesellschaft Für Emissionstechnologie Mbh Fördervorrichtung für ein Reduktionsmittel
US8359833B2 (en) * 2009-12-23 2013-01-29 Caterpillar Inc. Method for introducing a reductant into an exhaust stream
DE102010004614B4 (de) 2010-01-13 2025-03-13 Vitesco Technologies GmbH Vorrichtung zur Bereitstellung von flüssigem Reduktionsmittel
DE102010007564B4 (de) 2010-02-10 2022-12-29 Albonair Gmbh Dosiersystem zur Eindüsung eines Reduktionsmittels in den Abgasstrom eines Verbrennungsmotors
DE102010024021A1 (de) * 2010-06-16 2011-12-22 Emitec Gesellschaft Für Emissionstechnologie Mbh Vorrichtung zur Bereitstellung eines Reduktionsmittels mit Systemheizung
DE102010024022B4 (de) * 2010-06-16 2025-03-27 Vitesco Technologies GmbH Vorrichtung zur Förderung von flüssigem Reduktionsmittel
CN102251832B (zh) * 2011-06-10 2013-06-05 苏州派格丽减排系统有限公司 Scr系统中的液体加热式计量喷射泵
CN202832720U (zh) * 2012-02-23 2013-03-27 天纳克汽车工业（上海）有限公司 空气辅助式还原剂计量喷射系统

Also Published As

Publication number Publication date
BR112014019922A2 (enExample) 2017-06-20
US9359928B2 (en) 2016-06-07
DE112013001122T5 (de) 2014-12-04
WO2013123865A8 (en) 2013-10-24
CN104755714B (zh) 2017-08-08
CN104755714A (zh) 2015-07-01
WO2013123865A1 (en) 2013-08-29
CN103291421B (zh) 2016-06-08
US20150075136A1 (en) 2015-03-19
CN103291421A (zh) 2013-09-11
KR20140126755A (ko) 2014-10-31
BR112014019922A8 (pt) 2017-07-11

Similar Documents

Publication Publication Date Title
JP2015513030A (ja) 空気支援型還元剤配送システム
US11027966B2 (en) Fluid dispensing unit having a circulation system and a method for circulating a fluid in a fluid dispensing unit
CN102216578B (zh) 用于清洗计量系统的方法
JP5789336B2 (ja) 反応剤を計量分配するためのポンプアッセンブリ
JP5023076B2 (ja) 注入装置
US20130000743A1 (en) Scr fluid distribution and circulation system
CN102933808B (zh) 用于废气再处理系统的通风的装置
US9273581B2 (en) Purge system for reductant delivery unit for a selective catalytic reduction system
CN102439268A (zh) 用于罐的集成加热组件，用于安装和制造该组件的方法以及包括该加热器组件的车辆
CN103209750A (zh) 用于向排气后处理系统传送高度雾化的柴油排气处理液的系统、方法和装置
CN102418579A (zh) 还原剂定量供给系统
KR20120112758A (ko) 환원제 탱크 어셈블리 및 공급 시스템
US9764938B2 (en) Heating system for a urea dispenser
CN104074576B (zh) 还原系统的流体连接器
CN106884699B (zh) 耐热的还原剂喷射喷嘴
US9394818B2 (en) Delivery unit for a liquid additive, method for operating a delivery unit and motor vehicle having a delivery unit
CN105492732A (zh) 运行用于提供液体添加剂的装置的方法
CN107532495B (zh) 具有模块化结构的还原剂计量系统
US11105240B2 (en) Systems and methods for controlling a shut-off valve of a dosing control system
CN106687670A (zh) 用于内燃机的废气后处理系统
CN109751103A (zh) 用于加热还原剂的系统及方法
US11319853B2 (en) Automotive exhaust aftertreatment system with doser
KR101965853B1 (ko) 배기정화용 우레아 수용액 공급 장치
CN110546355B (zh) 用于内燃发动机的后处理系统的配给模块
CN202832720U (zh) 空气辅助式还原剂计量喷射系统

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20151204

A761 Written withdrawal of application

Free format text: JAPANESE INTERMEDIATE CODE: A761

Effective date: 20160825