JP2020514603A - 選択的還元システムのための方法及び装置 - Google Patents
選択的還元システムのための方法及び装置 Download PDFInfo
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- JP2020514603A JP2020514603A JP2019530659A JP2019530659A JP2020514603A JP 2020514603 A JP2020514603 A JP 2020514603A JP 2019530659 A JP2019530659 A JP 2019530659A JP 2019530659 A JP2019530659 A JP 2019530659A JP 2020514603 A JP2020514603 A JP 2020514603A
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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]
-
- 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
-
- 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
- F01N2240/40—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 a hydrolysis catalyst
-
- 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
-
- 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
- F01N2610/03—Adding substances to exhaust gases the substance being hydrocarbons, e.g. engine 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
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
-
- 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)
- Catalysts (AREA)
Abstract
Description
前記インパクション装置に対してディーゼル排出流体(DEF)を,第1の特性セットに基づく第1の投与率で投与するステップ;
前記インパクション装置の第2の特性セットを,第1の基準セットに基づいて決定するステップ;
前記投与率を第2の特性セットに基づいて変化させるステップ;並びに,
前記投与率を第2の基準セットに基づいて第1の投与率まで復帰させるステップ;
を備える。
インパクション装置;
インパクション装置にDEFを噴射するためのDEF投与ユニット;並びに,
請求項1〜13の何れか一項に記載された方法を実施するためのコントローラ;
を備える。
Claims (15)
- インパクション装置を備える触媒システムのための方法であって:
前記インパクション装置に対してディーゼル排出流体(DEF)を,第1の特性セットに基づく第1の投与率で投与するステップ;
前記インパクション装置の第2の特性セットを,第1の基準セットに基づいて決定するステップ;
前記投与率を第2の特性セットに基づいて変化させるステップ;並びに,
前記投与率を第2の基準セットに基づいて第1の投与率まで復帰させるステップ;
を備える方法。 - 請求項1に記載された方法であって,前記第2の特性セットが,前記インパクション装置の利用可能蓄積容量を含む,方法。
- 請求項2に記載された方法であって,前記利用可能蓄積容量がしきい値に達したときに,前記投与率を変化させる,方法。
- 請求項1〜3の何れか一項に記載された方法であって,前記第1の基準セットが,前記インパクション装置の利用可能蓄積容量,及び前記インパクション装置の表面上におけるDEFの分解率を含む,方法。
- 請求項4に記載された方法であって,前記DEFの分解率を,前記排出システムの状態に基づいて導き出す,方法。
- 請求項1〜5の何れか一項に記載された方法であって,前記第2の投与率が,前記第1の投与率よりも大きい,方法。
- 請求項1〜6の何れか一項に記載された方法であって,前記投与率を前記第2の投与率まで変化させるステップが,前記第1の基準セットに基づいて前記第2の投与率の値を決定するステップを含む,方法。
- 請求項1〜7の何れか一項に記載された方法であって,前記投与率を前記第2の投与率まで変化させるステップが,前記インパクション装置にDEFを前記第2の投与率で投与する時間を決定するステップを含む,方法。
- 請求項1〜8の何れか一項に記載された方法であって,前記第2の基準セットが,前記インパクション装置の利用可能蓄積量の下限しきい値を含む,方法。
- 請求項1〜9の何れか一項に記載された方法であって,前記第1の特性セットが,前記インパクション装置の表面上におけるDEFの有効残留時間を含む,方法。
- 請求項10に記載された方法であって,前記第1の投与率を,DEFの前記有効残留時間が実質的にゼロとなるように設定する,方法。
- 請求項1〜11の何れか一項に記載された方法であって,前記第1の特性セットが:前記インパクション装置の表面上におけるDEFの分解率;前記排出ガスの温度;及び,前記排出ガスの流速;の少なくとも1つを含む,方法。
- 請求項1〜12の何れか一項に記載された方法であって,前記インパクション装置が,加水分解触媒である,方法。
- 排出通路内で排出ガスを処理するための選択的触媒還元システムであって:
インパクション装置;
インパクション装置にDEFを噴射するためのDEF投与ユニット;並びに,
請求項1〜13の何れか一項に記載された方法を実施するためのコントローラ;
を備える,システム。 - 請求項1〜13の何れか一項に記載された方法を実施するために,エンジンにより読み取り可能な1つ又は複数のシーケンスを含むコンピュータプログラム製品。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16205948.9A EP3339589B1 (en) | 2016-12-21 | 2016-12-21 | Method and apparatus for a scr |
EP16205948.9 | 2016-12-21 | ||
PCT/EP2017/082196 WO2018114426A1 (en) | 2016-12-21 | 2017-12-11 | Method and apparatus for a selective catalytic reduction system |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2020514603A true JP2020514603A (ja) | 2020-05-21 |
JP2020514603A5 JP2020514603A5 (ja) | 2021-12-02 |
JP7002545B2 JP7002545B2 (ja) | 2022-01-20 |
Family
ID=57590382
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019530659A Active JP7002545B2 (ja) | 2016-12-21 | 2017-12-11 | 選択的還元システムのための方法及び装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US11215098B2 (ja) |
EP (1) | EP3339589B1 (ja) |
JP (1) | JP7002545B2 (ja) |
CN (1) | CN110088440B (ja) |
WO (1) | WO2018114426A1 (ja) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006274845A (ja) * | 2005-03-28 | 2006-10-12 | Mitsubishi Fuso Truck & Bus Corp | 内燃機関のNOx排出量算出装置 |
JP2015074982A (ja) * | 2013-10-04 | 2015-04-20 | トヨタ自動車株式会社 | 車両用内燃機関の排気浄化装置 |
JP2016037893A (ja) * | 2014-08-07 | 2016-03-22 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
JP2016043320A (ja) * | 2014-08-25 | 2016-04-04 | エヌ・イーケムキャット株式会社 | 尿素加水分解触媒及び尿素加水分解材料を用いた選択還元触媒 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6601385B2 (en) | 2001-10-17 | 2003-08-05 | Fleetguard, Inc. | Impactor for selective catalytic reduction system |
GB0521799D0 (en) | 2005-10-26 | 2005-12-07 | Imi Vision Ltd | Exhaust gas treatment |
DE102005062120B4 (de) * | 2005-12-23 | 2016-06-09 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Überwachung eines Abgasnachbehandlungssystems |
DE102006023145A1 (de) | 2006-05-16 | 2007-11-22 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Verfahren und Vorrichtung zur Aufbereitung des Abgases einer Verbrennungskraftmaschine |
DE102007040439A1 (de) * | 2007-08-28 | 2009-03-05 | Daimler Ag | Betriebs- und Diagnoseverfahren für ein SCR-Abgasnachbehandlungssystem |
DE102007061005A1 (de) * | 2007-12-18 | 2009-06-25 | Man Nutzfahrzeuge Ag | Verfahren zur Verbesserung der Hydrolyse eines Reduktionsmittels in einem Abgasnachbehandlungssystem |
US8201394B2 (en) * | 2008-04-30 | 2012-06-19 | Cummins Ip, Inc. | Apparatus, system, and method for NOx signal correction in feedback controls of an SCR system |
JP2010144631A (ja) * | 2008-12-19 | 2010-07-01 | Ud Trucks Corp | 排気浄化装置 |
US8904760B2 (en) | 2009-06-17 | 2014-12-09 | GM Global Technology Operations LLC | Exhaust gas treatment system including an HC-SCR and two-way catalyst and method of using the same |
US9441516B2 (en) * | 2009-09-22 | 2016-09-13 | Ford Global Technologies, Llc | Method for NOx reduction |
DE102010013696A1 (de) * | 2010-04-01 | 2011-10-06 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Verfahren zum Betrieb einer Abgashandlungsvorrichtung |
JP5534925B2 (ja) * | 2010-04-30 | 2014-07-02 | ヤンマー株式会社 | 内燃機関の排気浄化システム |
DE102010025880A1 (de) * | 2010-07-02 | 2012-01-05 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Abgasbehandlungsvorrichtung |
SE537849C2 (sv) | 2011-09-22 | 2015-11-03 | Scania Cv Ab | Förfarande och system för att bestämma behov av översyn av en doseringsenhet i ett SCR-system |
US8951492B2 (en) * | 2012-04-25 | 2015-02-10 | Fuel Tech, Inc. | Ammonia gas generation from urea for low temperature process requirements |
CN105626215A (zh) | 2014-10-27 | 2016-06-01 | 金有纯 | 调控进入排气***的尿素实际供给量的装置及调控方法 |
EP3222834B1 (en) * | 2016-03-23 | 2019-05-08 | Volvo Car Corporation | Exhaust gas aftertreatment device for an internal combustion engine |
US9890682B2 (en) * | 2016-04-08 | 2018-02-13 | Caterpillar Inc. | System, apparatus, and method to address unwanted DEF-based deposits in diesel exhaust system |
EP3339588B1 (en) * | 2016-12-21 | 2021-03-03 | Perkins Engines Company Limited | An improved selective catalytic reduction system |
-
2016
- 2016-12-21 EP EP16205948.9A patent/EP3339589B1/en active Active
-
2017
- 2017-12-11 WO PCT/EP2017/082196 patent/WO2018114426A1/en active Application Filing
- 2017-12-11 JP JP2019530659A patent/JP7002545B2/ja active Active
- 2017-12-11 US US16/464,336 patent/US11215098B2/en active Active
- 2017-12-11 CN CN201780077903.1A patent/CN110088440B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006274845A (ja) * | 2005-03-28 | 2006-10-12 | Mitsubishi Fuso Truck & Bus Corp | 内燃機関のNOx排出量算出装置 |
JP2015074982A (ja) * | 2013-10-04 | 2015-04-20 | トヨタ自動車株式会社 | 車両用内燃機関の排気浄化装置 |
JP2016037893A (ja) * | 2014-08-07 | 2016-03-22 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
JP2016043320A (ja) * | 2014-08-25 | 2016-04-04 | エヌ・イーケムキャット株式会社 | 尿素加水分解触媒及び尿素加水分解材料を用いた選択還元触媒 |
Also Published As
Publication number | Publication date |
---|---|
WO2018114426A1 (en) | 2018-06-28 |
JP7002545B2 (ja) | 2022-01-20 |
CN110088440B (zh) | 2021-03-30 |
US11215098B2 (en) | 2022-01-04 |
EP3339589A1 (en) | 2018-06-27 |
US20210108545A1 (en) | 2021-04-15 |
CN110088440A (zh) | 2019-08-02 |
EP3339589B1 (en) | 2020-10-07 |
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