JP2011513645A - 内燃機関の排ガス流れへ尿素溶液を注入するための配量システム - Google Patents
内燃機関の排ガス流れへ尿素溶液を注入するための配量システム Download PDFInfo
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- JP2011513645A JP2011513645A JP2010550051A JP2010550051A JP2011513645A JP 2011513645 A JP2011513645 A JP 2011513645A JP 2010550051 A JP2010550051 A JP 2010550051A JP 2010550051 A JP2010550051 A JP 2010550051A JP 2011513645 A JP2011513645 A JP 2011513645A
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- 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]
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- 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
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- 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
- F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
- F01N2560/06—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being a temperature sensor
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- 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
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- 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
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- 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
- F01N2610/085—Controlling the air supply
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- 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
-
- 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
- F01N2610/1453—Sprayers or atomisers; Arrangement thereof in the exhaust apparatus
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- 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
- F01N2610/1453—Sprayers or atomisers; Arrangement thereof in the exhaust apparatus
- F01N2610/146—Control thereof, e.g. control of injectors or injection valves
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- 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
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- 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
- F01N2610/148—Arrangement of sensors
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- 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
- F01N2900/1824—Properties of the air to be mixed with added substances, e.g. air pressure or air temperature
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- 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
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- 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)
Abstract
Description
−排ガス温度
−排ガス質量流量
−尿素質量流量
−触媒の効率の必要程度
−触媒サイズ
−尿素配量点と触媒との間の予備混合部分
である。
Claims (15)
- 選択的触媒還元用として内燃機関の排ガス流れ(9)に尿素溶液を噴霧するための配量システムにして、尿素溶液を取り出すことができる尿素溶液タンク(1)に接続できると共に、圧縮空気供給ライン(6)に接続できる配量システムであって、尿素溶液を圧縮空気によって排ガス流れ(9)に導入できる少なくとも1つのノズル(5)を有する配量システムにおいて、
この配量システムが、前記圧縮空気供給ライン(6)の圧力および/または空気量および/または弁開時間を制御できる空気弁(7)を有すること、および、前記空気弁(7)と前記ノズル(5)の間に、前記圧縮空気供給ライン(6)における圧力および/または空気量を測定するためのセンサが配置され、さらに、この配量システムは、二流体ノズル(5)を有し、この二流体ノズル(5)が外部混合ノズルであることを特徴とする配量システム。 - 前記空気弁(7)が比例制御弁であることを特徴とする請求項1に記載の配量システム。
- 前記センサが圧力センサ(16)であることを特徴とする請求項1または請求項2に記載の配量システム。
- 排ガスの質量流量を計算する手段、または排ガスの質量流量を測定するセンサ(11)を有することを特徴とする請求項1〜3のいずれか一項に記載の配量システム。
- 排ガス温度を測定するセンサ(17)を有することを特徴とする請求項1〜4のいずれか一項に記載の配量システム。
- 前記圧縮空気供給ライン(6)が絞り弁(15)を有することを特徴とする請求項1〜5のいずれか一項に記載の配量システム。
- 尿素溶液供給用の定量ポンプ(3)を有することを特徴とする請求項1〜6のいずれか一項に記載の配量システム。
- 尿素ライン(4)と圧縮空気供給ラインの間に接続ライン(13)が配置され、この接続ライン(13)が逆止弁(14)を有することを特徴とする請求項1〜7のいずれか一項に記載の配量システム。
- 圧縮空気コンプレッサを有することを特徴とする請求項1〜8のいずれか一項に記載の配量システム。
- 制御装置(12)を有し、この制御装置(12)によって、前記空気弁(7)および/または絞り弁(15)および/または定量ポンプ(3)および/または圧縮空気コンプレッサを、前記センサ(11、16、17)から得られる測定値に基づいて制御できることを特徴とする請求項1〜9のいずれか一項に記載の配量システム。
- 尿素溶液タンク(1)を有することを特徴とする請求項1〜10のいずれか一項に記載の配量システム。
- 選択的触媒還元用として内燃機関の排ガス流れ(9)に尿素溶液を圧縮空気によって導入する際の導入制御方法において、尿素溶液の噴霧のために供給される圧縮空気の量を、導入される尿素溶液の液滴性状が触媒の作用にとって十分なものになるように、各運転点にて、排ガス温度と排ガス質量流量の運転パラメータに基づいて制御し、かつ、それぞれの場合に要求される最少空気量に低減することを特徴とする方法。
- 尿素溶液の導入が中断または完了した時に、尿素溶液搬送ラインから尿素溶液を圧縮空気によって排除することを特徴とする請求項12に記載の方法。
- 前記尿素溶液の導入の中断または完了を、定量ポンプ(3)の停止によって行うことを特徴とする請求項12または請求項13に記載の方法。
- 少なくとも定量ポンプ(3)および/または少なくとも圧縮空気コンプレッサおよび/または少なくとも空気制御弁(7)の作動を、排ガス温度と排ガス質量流量の運転パラメータに基づいて行うことを特徴とする請求項12〜14のいずれか一項に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008013960A DE102008013960A1 (de) | 2008-03-12 | 2008-03-12 | Dosiersystem zur Eindüsung einer Harnstofflösung in den Abgasstrom eines Verbrennungsmotors |
PCT/EP2009/000664 WO2009112129A1 (de) | 2008-03-12 | 2009-02-02 | Dosiersystem zur eindüsung einer harnstofflösung in den abgasstrom eines verbrennungsmotors |
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JP2013093704A Division JP6082649B2 (ja) | 2008-03-12 | 2013-04-26 | 内燃機関の排ガス流れへ尿素溶液を注入するための方法 |
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JP2010550051A Pending JP2011513645A (ja) | 2008-03-12 | 2009-02-02 | 内燃機関の排ガス流れへ尿素溶液を注入するための配量システム |
JP2013093704A Active JP6082649B2 (ja) | 2008-03-12 | 2013-04-26 | 内燃機関の排ガス流れへ尿素溶液を注入するための方法 |
JP2015109766A Active JP6345629B2 (ja) | 2008-03-12 | 2015-05-29 | 内燃機関の排ガス流れへ尿素溶液を注入するための配量システム |
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JP2013093704A Active JP6082649B2 (ja) | 2008-03-12 | 2013-04-26 | 内燃機関の排ガス流れへ尿素溶液を注入するための方法 |
JP2015109766A Active JP6345629B2 (ja) | 2008-03-12 | 2015-05-29 | 内燃機関の排ガス流れへ尿素溶液を注入するための配量システム |
Country Status (8)
Country | Link |
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US (1) | US9057304B2 (ja) |
EP (1) | EP2250351B1 (ja) |
JP (3) | JP2011513645A (ja) |
KR (1) | KR101716399B1 (ja) |
CN (1) | CN101457683B (ja) |
BR (1) | BRPI0909837B1 (ja) |
DE (1) | DE102008013960A1 (ja) |
WO (1) | WO2009112129A1 (ja) |
Families Citing this family (48)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9272244B2 (en) * | 2009-01-22 | 2016-03-01 | Albonair Gmbh | Metering system |
DE102009029518A1 (de) * | 2009-09-16 | 2011-03-24 | Robert Bosch Gmbh | Anordnung und Verfahren zum Betreiben einer Abgasnachbehandlungsvorrichtung |
DE102009047067A1 (de) * | 2009-11-24 | 2011-05-26 | Robert Bosch Gmbh | Verfahren zum Betreiben einer Dosiervorrichtung und Vorrichtung zur Durchführung des Verfahrens |
CN101749087B (zh) * | 2010-01-07 | 2012-01-25 | 同济大学 | 一种采用压缩天然气助喷的柴油机氨选择性催化还原方法 |
CN101793184A (zh) * | 2010-03-13 | 2010-08-04 | 中国第一汽车集团公司 | 一种空气辅助动力雾化尿素还原剂喷射控制系统 |
EP2375023B1 (en) | 2010-04-07 | 2012-09-19 | Ford Global Technologies, LLC | Method of controlling urea dosing in an exhaust system of a vehicle |
DE102010033038A1 (de) | 2010-08-02 | 2012-02-02 | Albonair Gmbh | Reduktionsmitteldosiersystem zur Eindüsung eines Reduktionsmittels in den Abgasstrom eines Verbrennungsmotors |
DE102010044468A1 (de) * | 2010-09-06 | 2012-03-08 | Albonair Gmbh | Reduktionsmitteldosiersystem zur Eindüsung eines Reduktionsmittels in den Abgasstrom eines Verbrennungsmotors |
DE102010040365A1 (de) * | 2010-09-07 | 2012-03-08 | Robert Bosch Gmbh | Druckluftzerstäuber |
US9719395B2 (en) * | 2011-05-10 | 2017-08-01 | Albonair Gmbh | Component carrier for a dosing system |
WO2013028714A1 (en) | 2011-08-22 | 2013-02-28 | Cummins Emission Solutions Inc. | Urea injection systems wash cycles |
DE102011090035A1 (de) | 2011-12-28 | 2013-07-04 | Robert Bosch Gmbh | Vorrichtung zum Einbringen eines Reduktionsmittels |
DE102012008788A1 (de) | 2012-05-07 | 2013-11-07 | Albonair Gmbh | Reduktionsmitteldosiersystem mit automatischer Belüftung der Reduktionsmittelleitung |
DE102012010646A1 (de) | 2012-05-31 | 2013-12-05 | Albonair Gmbh | Kolbenpumpe mit umkehrbarer Förderrichtung |
DE102012013468A1 (de) | 2012-07-09 | 2014-01-09 | Albonair Gmbh | Reduktionsmitteldosiersystem mit Entleerung der Reduktionsmittelleitung nach Beendigung der Dosierung |
CN102748101B (zh) * | 2012-07-10 | 2014-03-26 | 天津亿利汽车环保科技有限公司 | 用于降低发动机NOx排放的尿素喷射系统及其控制方法 |
DE102012018141B4 (de) * | 2012-09-14 | 2016-10-20 | Mtu Friedrichshafen Gmbh | SCR-Modul |
CA2893659C (en) * | 2012-12-21 | 2020-11-24 | Alzchem Ag | Ammonia gas generator, method for producing ammonia and use of the same for reducing nitrogen oxides in exhaust gases |
CN103195546A (zh) * | 2013-03-26 | 2013-07-10 | 无锡市凯龙汽车设备制造有限公司 | 气助式尿素计量喷射系统 |
DE102013013212A1 (de) | 2013-08-09 | 2015-02-12 | Kautex Textron Gmbh & Co. Kg | Universelles Abschaltventil |
US9926822B2 (en) | 2013-08-16 | 2018-03-27 | Cummins Emission Solutions, Inc. | Air curtain for urea mixing chamber |
CN105464762B (zh) * | 2014-07-01 | 2019-08-20 | 博世汽车柴油系统有限公司 | 选择性催化还原系统 |
KR102151281B1 (ko) * | 2015-02-23 | 2020-09-02 | 현대중공업 주식회사 | Scr 시스템에서의 우레아 제거 장치 및 방법 |
WO2016182895A1 (en) * | 2015-05-11 | 2016-11-17 | Cummins Emission Solutions, Inc. | Selective supplying of air from an air supply to reduce air consumption |
CN105019987A (zh) * | 2015-08-03 | 2015-11-04 | 包头北大工道发动机技术有限公司 | 车载尿素溶液计量雾化供给装置 |
DE102015009958A1 (de) | 2015-08-05 | 2017-02-09 | Albonair Gmbh | Reduktionsmitteldosiersystem mit modularen Aufbau |
US9702291B2 (en) | 2015-11-03 | 2017-07-11 | Tenneco Automotive Operating Company Inc. | Exhaust aftertreatment system with ammonia gas generator |
US10458302B2 (en) | 2015-08-20 | 2019-10-29 | Tenneco Automotive Operating Company Inc. | Exhaust aftertreatment system with ammonia gas generator |
DE102015015714A1 (de) | 2015-12-07 | 2017-06-08 | Albonair Gmbh | Skalierbares Reduktionsmitteldosiersystem |
US9790830B2 (en) | 2015-12-17 | 2017-10-17 | Tenneco Automotive Operating Company Inc. | Exhaust after-treatment system including electrolysis generated H2 and NH3 |
CN105484837A (zh) * | 2016-01-14 | 2016-04-13 | 南京工业职业技术学院 | 一种基于气液膜接触器的柴油机尾气处理装置 |
US10036291B2 (en) | 2016-01-20 | 2018-07-31 | Tenneco Automotive Operating Company Inc. | Exhaust after-treatment system including ammonia and hydrogen generation |
US10166509B2 (en) * | 2016-07-29 | 2019-01-01 | Robert Bosch Gmbh | Systems and method for feed forward control of diesel exhaust fluid delivery systems |
CN106218893B (zh) * | 2016-09-21 | 2018-09-25 | 江西天祥通用航空股份有限公司 | 一种雾化喷头 |
DE102016013816A1 (de) | 2016-11-21 | 2018-05-24 | Albonair Gmbh | Reduktionsmitteldosiersystem mit Leitungsbeheizung |
CN106762047B (zh) * | 2016-12-30 | 2023-02-28 | 沪东重机有限公司 | 船用柴油机选择性催化还原尿素喷射系统 |
CN108661758A (zh) * | 2017-04-01 | 2018-10-16 | 中国船舶重工集团公司第七研究所 | Scr供给喷射系统以及船舶 |
CN107420164B (zh) * | 2017-04-28 | 2023-10-10 | 东风商用车有限公司 | 外带尿素喷嘴空气冷却支路的尿素喷射系统及使用方法 |
DE102017223365A1 (de) * | 2017-12-20 | 2019-06-27 | Robert Bosch Gmbh | Verfahren zum Betrieb eines Hydrauliksystems |
DE102018200572A1 (de) * | 2018-01-15 | 2019-07-18 | Robert Bosch Gmbh | Verfahren zur Überprüfung eines SCR-Systems mit zumindest zwei Dosierventilen |
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JP2020176602A (ja) | 2019-04-22 | 2020-10-29 | 株式会社デンソー | 流体噴射装置及び流体噴射システム |
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CN113931723A (zh) * | 2021-10-12 | 2022-01-14 | 河北工业大学 | 一种减少scr系统尿素结晶的装置及方法 |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02223625A (ja) * | 1989-02-27 | 1990-09-06 | Shinko Electric Co Ltd | 脱硝装置におけるアンモニア水噴霧ノズルの閉塞防止装置 |
JP2007040118A (ja) * | 2005-08-01 | 2007-02-15 | Osaka Gas Co Ltd | 尿素水ノズル装置 |
JP2007531843A (ja) * | 2004-04-15 | 2007-11-08 | ロベルト・ボッシュ・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング | 内燃機関の運転方法および装置 |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1435458C3 (de) | 1963-08-13 | 1975-08-21 | Fa. Carl Freudenberg, 6940 Weinheim | Wirrfadenvliessstoff zur Verwendung als einbügelbares Versteifungsmaterial |
GB2257696B (en) * | 1991-06-28 | 1995-05-31 | Riken Kk | Method and apparatus for cleaning exhaust gas |
DE4436397B4 (de) * | 1994-10-12 | 2006-06-08 | Robert Bosch Gmbh | Einrichtung zum Nachbehandeln von Abgasen |
DE19653405C2 (de) | 1996-12-20 | 1999-06-10 | Bosch Gmbh Robert | Gemischabgabevorrichtung |
DE19726392A1 (de) * | 1997-06-21 | 1998-12-24 | Bosch Gmbh Robert | Gemischabgabevorrichtung |
US6273120B1 (en) * | 1998-11-12 | 2001-08-14 | Siemens Aktiengesellschaft | Device for introducing a liquid reducing agent into an exhaust gas purification system |
DE19856366C1 (de) * | 1998-12-07 | 2000-04-20 | Siemens Ag | Vorrichtung und Verfahren zum Nachbehandeln von Abgasen einer mit Luftüberschuß arbeitenden Brennkraftmaschine |
US6575382B1 (en) * | 1999-09-13 | 2003-06-10 | Delphi Technologies, Inc. | Fuel injection with air blasted sheeted spray |
DE19947198B4 (de) * | 1999-10-01 | 2008-05-15 | Robert Bosch Gmbh | Vorrichtung zum Nachbehandeln von Abgasen einer Brennkraftmaschine |
DE10047512A1 (de) * | 2000-09-22 | 2002-08-22 | Bosch Gmbh Robert | Vorrichtung zur Dosierung eines Reduktionsmittels |
DE10047516A1 (de) * | 2000-09-22 | 2002-04-18 | Bosch Gmbh Robert | Verfahren und Vorrichtung zur Dosierung eines Reduktionsmittels zur Entfernung von Stickoxiden aus Abgasen |
DE10047519A1 (de) * | 2000-09-22 | 2002-04-18 | Bosch Gmbh Robert | Verfahren und Vorrichtung zur Dosierung eines Reduktionsmittels zur Entfernung von Stickoxiden aus Abgasen |
DE10112562B4 (de) * | 2001-03-15 | 2005-02-17 | Düsen-Schlick GmbH | Aussenmischdüse |
DE50212911D1 (de) * | 2002-12-23 | 2008-11-27 | Grundfos Nonox As | Dosierpumpenaggregat |
JP2004360578A (ja) * | 2003-06-05 | 2004-12-24 | Miura Co Ltd | 脱硝装置 |
DE10359522A1 (de) * | 2003-12-18 | 2005-07-28 | Purem Abgassysteme Gmbh & Co. Kg | Reduktionsmitteldosiersystem für ein Kraftfahrzeug |
DE102004022115A1 (de) * | 2004-05-05 | 2005-11-24 | Robert Bosch Gmbh | Verfahren zum Einbringen eines Reagenzmittels in einen Abgaskanal einer Brennkraftmaschine und Vorrichtung zur Durchführung des Verfahrens |
JP4662334B2 (ja) * | 2004-11-04 | 2011-03-30 | 三菱ふそうトラック・バス株式会社 | 内燃機関の排気浄化装置 |
DE102005002318A1 (de) * | 2005-01-17 | 2006-07-27 | Robert Bosch Gmbh | Abgasnachbehandlungsverfahren und Vorrichtung hierzu |
DE102005009464B4 (de) * | 2005-03-02 | 2016-07-21 | Robert Bosch Gmbh | Verfahren zur Diagnose eines Systems zur Dosierung von Reagenzmittel und Druckluft in den Abgasbereich einer Brennkraftmaschine und Vorrichtung zur Durchführung des Verfahrens |
JP4673146B2 (ja) * | 2005-06-24 | 2011-04-20 | 株式会社サムソン | 尿素水噴射ノズルの詰まりを防止する脱硝装置 |
JP2007100672A (ja) * | 2005-10-07 | 2007-04-19 | Bosch Corp | 内燃機関の排気浄化装置、及び内燃機関の排気浄化方法 |
CN101024147B (zh) * | 2006-02-17 | 2011-12-28 | 陈妙生 | 废气净化器 |
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 |
US7497077B2 (en) * | 2006-07-26 | 2009-03-03 | Southwest Research Institute | System and method for dispensing an aqueous urea solution into an exhaust gas stream |
US8459012B2 (en) * | 2008-11-19 | 2013-06-11 | Caterpillar Inc. | Method for purging a dosing system |
-
2008
- 2008-03-12 DE DE102008013960A patent/DE102008013960A1/de not_active Withdrawn
-
2009
- 2009-01-07 CN CN200910001359.XA patent/CN101457683B/zh active Active
- 2009-02-02 KR KR1020107016718A patent/KR101716399B1/ko active IP Right Grant
- 2009-02-02 US US12/810,335 patent/US9057304B2/en active Active
- 2009-02-02 BR BRPI0909837-2A patent/BRPI0909837B1/pt active IP Right Grant
- 2009-02-02 JP JP2010550051A patent/JP2011513645A/ja active Pending
- 2009-02-02 EP EP20090719861 patent/EP2250351B1/de active Active
- 2009-02-02 WO PCT/EP2009/000664 patent/WO2009112129A1/de active Application Filing
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- 2013-04-26 JP JP2013093704A patent/JP6082649B2/ja active Active
-
2015
- 2015-05-29 JP JP2015109766A patent/JP6345629B2/ja active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02223625A (ja) * | 1989-02-27 | 1990-09-06 | Shinko Electric Co Ltd | 脱硝装置におけるアンモニア水噴霧ノズルの閉塞防止装置 |
JP2007531843A (ja) * | 2004-04-15 | 2007-11-08 | ロベルト・ボッシュ・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング | 内燃機関の運転方法および装置 |
JP2007040118A (ja) * | 2005-08-01 | 2007-02-15 | Osaka Gas Co Ltd | 尿素水ノズル装置 |
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WO2009112129A1 (de) | 2009-09-17 |
KR101716399B1 (ko) | 2017-03-14 |
CN101457683B (zh) | 2015-05-27 |
JP2015200321A (ja) | 2015-11-12 |
US20100319322A1 (en) | 2010-12-23 |
BRPI0909837B1 (pt) | 2019-10-29 |
CN101457683A (zh) | 2009-06-17 |
JP2013151943A (ja) | 2013-08-08 |
BRPI0909837A2 (pt) | 2015-10-06 |
JP6345629B2 (ja) | 2018-06-20 |
JP6082649B2 (ja) | 2017-02-15 |
EP2250351A1 (de) | 2010-11-17 |
US9057304B2 (en) | 2015-06-16 |
DE102008013960A1 (de) | 2009-09-17 |
EP2250351B1 (de) | 2015-04-29 |
KR20100125231A (ko) | 2010-11-30 |
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