JP5581259B2 - 排ガス浄化システムを備える大型2サイクルディーゼルエンジン - Google Patents
排ガス浄化システムを備える大型2サイクルディーゼルエンジン Download PDFInfo
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- JP5581259B2 JP5581259B2 JP2011090578A JP2011090578A JP5581259B2 JP 5581259 B2 JP5581259 B2 JP 5581259B2 JP 2011090578 A JP2011090578 A JP 2011090578A JP 2011090578 A JP2011090578 A JP 2011090578A JP 5581259 B2 JP5581259 B2 JP 5581259B2
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- scavenging
- electronic control
- control unit
- exhaust gas
- combustion engine
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- 238000000746 purification Methods 0.000 title description 3
- 230000002000 scavenging effect Effects 0.000 claims description 124
- 238000010531 catalytic reduction reaction Methods 0.000 claims description 14
- 238000002485 combustion reaction Methods 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 8
- 239000007789 gas Substances 0.000 description 48
- 239000002826 coolant Substances 0.000 description 21
- 238000010438 heat treatment Methods 0.000 description 13
- 238000001816 cooling Methods 0.000 description 11
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 238000010793 Steam injection (oil industry) Methods 0.000 description 5
- 238000010792 warming Methods 0.000 description 5
- 230000003313 weakening effect Effects 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002516 radical scavenger Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
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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
- F01N3/2006—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
- F02B37/14—Control of the alternation between or the operation of exhaust drive and other drive of a pump, e.g. dependent on speed
-
- 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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/08—Other arrangements or adaptations of exhaust 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
- 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
-
- 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
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B25/00—Engines characterised by using fresh charge for scavenging cylinders
- F02B25/02—Engines characterised by using fresh charge for scavenging cylinders using unidirectional scavenging
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
- F02B29/04—Cooling of air intake supply
- F02B29/0406—Layout of the intake air cooling or coolant circuit
- F02B29/0418—Layout of the intake air cooling or coolant circuit the intake air cooler having a bypass or multiple flow paths within the heat exchanger to vary the effective heat transfer surface
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
- F02B29/04—Cooling of air intake supply
- F02B29/0406—Layout of the intake air cooling or coolant circuit
- F02B29/0437—Liquid cooled heat exchangers
- F02B29/0443—Layout of the coolant or refrigerant circuit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
- F02B37/16—Control of the pumps by bypassing charging air
- F02B37/168—Control of the pumps by bypassing charging air into the exhaust conduit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0002—Controlling intake air
- F02D41/0007—Controlling intake air for control of turbo-charged or super-charged engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/021—Introducing corrections for particular conditions exterior to the engine
- F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
- F02D41/024—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to increase temperature of the exhaust gas treating apparatus
- F02D41/0245—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to increase temperature of the exhaust gas treating apparatus by increasing temperature of the exhaust gas leaving the engine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
- F02M31/02—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating
- F02M31/04—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating combustion-air or fuel-air mixture
- F02M31/10—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating combustion-air or fuel-air mixture by hot liquids, e.g. lubricants or cooling water
-
- 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
-
- 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
- F01N2900/14—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust gas
- F01N2900/1404—Exhaust gas temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/08—Exhaust gas treatment apparatus parameters
- F02D2200/0802—Temperature of the exhaust gas treatment apparatus
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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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Supercharger (AREA)
- Exhaust Gas After Treatment (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Description
Claims (10)
- 各々排ガス受け(6)及び掃気受け(22)に連結される複数のシリンダと、
その入口が前記排ガス受け(6)の出口に連結される選択触媒還元反応器(8)と、
前記選択触媒還元反応器(8)の出口をターボ過給機のタービン(12)に連結する排気導管(10)と、
前記タービン(12)により駆動される、前記ターボ過給機のコンプレッサー(14)であって、掃気冷却器(18)を有する掃気経路(16)を介して前記掃気受け(22)に掃気を送るコンプレッサー(14)と、
前記コンプレッサー(14)を補助するべく、前記掃気経路(16)に設けられる補助ブロア(20)と、
前記掃気経路(16)における前記補助ブロアの下流側の位置、または前記掃気受け(22)から、前記排気導管(10)における、前記選択触媒還元反応器(8)の出口と前記タービン(12)の入口との間の位置へと延びる、制御可能なバイパスライン(26)と、
前記バイパスライン(26)を制御しうるように該バイパスライン(26)に接続される電子制御ユニット(33)であって、エンジン負荷が所定の閾値未満である場合、または前記選択触媒還元反応器(8)に入る排ガスの温度が所定の閾値未満である場合に、前記バイパスライン(26)を通じて前記掃気受け(22)から前記排気導管(10)へ掃気が流れることを可能にするように構成される、電子制御ユニット(33)と、
を備える、クロスヘッド式大型ターボ過給型2サイクル燃焼エンジン(1)。 - 前記排気導管(10)は、前記バイパスされた掃気を排ガスと混合するための、3ポート混合点(30)を有する、請求項1に記載のクロスヘッド式大型ターボ過給型2サイクル燃焼エンジン。
- 前記バイパスライン(26)は、前記バイパスライン(26)を通る掃気の流れを制御するための弁(28)を有する、請求項1に記載のクロスヘッド式大型ターボ過給型2サイクル燃焼エンジン。
- 前記弁(28)は、前記電子制御ユニット(33)によって開ループで制御されるオン/オフ式の電子制御弁である、請求項3に記載のクロスヘッド式大型ターボ過給型2サイクル燃焼エンジン。
- 前記弁(28)は、前記電子制御ユニット(33)によって閉ループで制御される比例式の電子制御弁である、請求項3に記載のクロスヘッド式大型ターボ過給型2サイクル燃焼エンジン。
- 前記選択触媒還元反応器(8)の入口付近に温度センサ(35)をさらに備える、請求項1に記載のクロスヘッド式大型ターボ過給型2サイクル燃焼エンジン。
- 前記掃気冷却器(18)は、前記電子制御ユニット(33)によって停止されうる、請求項1に記載のクロスヘッド式大型ターボ過給型2サイクル燃焼エンジン。
- 前記電子制御ユニット(33)は、第1の方策として前記バイパスライン(26)を開放し、第2の方策として前記掃気冷却器(18)を停止させるように構成される、請求項7に記載のクロスヘッド式大型ターボ過給型2サイクル燃焼エンジン。
- 前記掃気冷却器(18)は、前記電子制御ユニット(33)によって加熱器に変えられることができる、請求項7に記載のクロスヘッド式大型ターボ過給型2サイクル燃焼エンジン。
- 前記電子制御ユニット(33)は、第3の方策として、前記掃気冷却器(18)を加熱器に変えるように構成される、請求項8に記載のクロスヘッド式大型ターボ過給型2サイクル燃焼エンジン。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK201000409A DK177631B1 (en) | 2010-05-10 | 2010-05-10 | Large two-stroke diesel engine with exhaust gas purification system |
DKPA201000409 | 2010-05-10 |
Related Child Applications (1)
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JP2014113717A Division JP5860923B2 (ja) | 2010-05-10 | 2014-06-02 | 排ガス浄化システムを備える大型2サイクルディーゼルエンジン |
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JP2011236892A JP2011236892A (ja) | 2011-11-24 |
JP5581259B2 true JP5581259B2 (ja) | 2014-08-27 |
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JP2011090578A Active JP5581259B2 (ja) | 2010-05-10 | 2011-04-15 | 排ガス浄化システムを備える大型2サイクルディーゼルエンジン |
JP2014113717A Active JP5860923B2 (ja) | 2010-05-10 | 2014-06-02 | 排ガス浄化システムを備える大型2サイクルディーゼルエンジン |
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Country Status (4)
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JP (2) | JP5581259B2 (ja) |
KR (1) | KR101400832B1 (ja) |
CN (2) | CN103216298B (ja) |
DK (1) | DK177631B1 (ja) |
Families Citing this family (27)
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JP5878860B2 (ja) * | 2011-12-08 | 2016-03-08 | エムエーエヌ・ディーゼル・アンド・ターボ・フィリアル・アフ・エムエーエヌ・ディーゼル・アンド・ターボ・エスイー・ティスクランド | 排気ガス浄化機能を有するターボ過給式大型2ストロークディーゼルエンジン |
JP5753485B2 (ja) * | 2011-12-13 | 2015-07-22 | 日立造船株式会社 | 尿素水噴霧構造 |
DK177462B1 (en) * | 2012-02-03 | 2013-06-17 | Man Diesel & Turbo Deutschland | Large turbocharged two-stroke diesel engine with exhaust gas purification |
GB2501482A (en) | 2012-04-23 | 2013-10-30 | Bombardier Transp Gmbh | Providing a land vehicle with electric energy by magnetic induction |
CN103382885A (zh) * | 2012-05-03 | 2013-11-06 | 天纳克(中国)有限公司 | 大型发动机scr脱硝方法及其系统 |
JP6203599B2 (ja) * | 2013-10-22 | 2017-09-27 | ヤンマー株式会社 | 過給機付エンジン |
DK178174B1 (en) * | 2013-10-29 | 2015-07-20 | Man Diesel & Turbo Deutschland | A large slow running turbocharged two-stroke internal combustion engine with crossheads and exhaust gas recirculation and method for operating thereof |
CN103775180A (zh) * | 2014-01-22 | 2014-05-07 | 东风商用车有限公司 | 一种利用废气引流控制排气温度的进气装置 |
KR20150092916A (ko) * | 2014-02-06 | 2015-08-17 | 현대중공업 주식회사 | 2-행정 디젤 엔진용 능동형 scr 시스템 |
KR20150092917A (ko) * | 2014-02-06 | 2015-08-17 | 현대중공업 주식회사 | 디젤 엔진용 scr 시스템 |
JP6230463B2 (ja) * | 2014-03-31 | 2017-11-15 | 日立造船株式会社 | エンジンのための脱硝率の測定方法およびその測定装置 |
CN103920540B (zh) * | 2014-04-17 | 2015-11-25 | 宁波大学 | 一种柴油机排气后处理中scr脱硝催化剂的再生方法及装置 |
CN103953420B (zh) * | 2014-04-17 | 2016-05-25 | 宁波大学 | 柴油机排气后处理中scr催化剂沉积微粒的清除方法及装置 |
DK178102B1 (en) * | 2014-05-22 | 2015-05-18 | Man Diesel & Turbo Deutschland | A large slow running turbocharged two-stroke internal combustion engine with exhaust gas recirculation system |
DK178078B8 (en) * | 2014-05-22 | 2015-05-18 | Man Diesel & Turbo Deutschland | A large slow running turbocharged two-stroke internal combustion engine with an exhaust gas receiver and a scavenge air receiver |
US9243538B1 (en) * | 2014-07-08 | 2016-01-26 | Cummins Inc. | Reduced emissions internal combustion engine systems |
KR102253378B1 (ko) * | 2014-10-08 | 2021-05-20 | 대우조선해양 주식회사 | 선박용 엔진의 scr 시스템 및 방법 |
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