JP2015537145A - 排気ガスシステム - Google Patents
排気ガスシステム Download PDFInfo
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- JP2015537145A JP2015537145A JP2015538314A JP2015538314A JP2015537145A JP 2015537145 A JP2015537145 A JP 2015537145A JP 2015538314 A JP2015538314 A JP 2015538314A JP 2015538314 A JP2015538314 A JP 2015538314A JP 2015537145 A JP2015537145 A JP 2015537145A
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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
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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
- 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
- F01N13/009—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 having two or more separate purifying devices arranged in series
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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
- F01N3/24—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
- F01N3/2892—Exhaust flow directors or the like, e.g. upstream of catalytic device
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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
- 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
- F01N2240/20—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 flow director or deflector
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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
- F01N2470/00—Structure or shape of gas passages, pipes or tubes
- F01N2470/18—Structure or shape of gas passages, pipes or tubes the axis of inlet or outlet tubes being other than the longitudinal axis of 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
- F01N2610/02—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
- F01N2610/10—Adding substances to exhaust gases the substance being heated, e.g. by heating tank or supply line of the added substance
- F01N2610/102—Adding substances to exhaust gases the substance being heated, e.g. by heating tank or supply line of the added substance after addition to exhaust gases, e.g. by a passively or actively heated surface in the exhaust conduit
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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
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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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)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Exhaust Gas After Treatment (AREA)
- Processes For Solid Components From Exhaust (AREA)
Abstract
Description
Claims (24)
- 導入開口部(15)及び排出開口部(17)を有する第一の排気管部材(13)と、外周面(23)と第一の閉鎖端部(25)とを備えた長手方向軸を有するオーバーフロー管(21)を有する第二の排気管部材(19)とを備え、前記外周面(23)において前記閉鎖端部(25)に隣接して流入開口部(31)が設けられ、前記オーバーフロー管(21)が前記排出開口部(17)の中に突出し、前記オーバーフロー管の閉鎖端部(25)と前記流入開口部(31)が前記第一の排気管部材(13)に設けられ、第一の方向において前記導入開口部(15)を通って流入する排気ガスが、前記流入開口部(31)を通って前記オーバーフロー管(21)へ流入し、前記オーバーフロー管(21)の長手方向軸の方向に見て、前記オーバーフロー管(21)において前記排出開口部(17)を通って前記第一の排気管部材(13)から流出することができ、更に前記第一及び前記第二の排気管部材(13,19)を通って流れる排気ガス流への還元剤の導入のための、第一の排気管部材(13)に固定された噴射ユニット(35)を備えた、自動車における排気誘導及び排気ガスの後処理のための排気ガスシステム(1)であって、
前記オーバーフロー管(21)の前記長手方向軸は前記第一の方向において実質的に垂直であり、前記噴射ユニット(35)は、前記噴射ユニット(35)から前記第一の排気管部材(13)へ噴射される還元剤が前記排気ガスと混合して前記流入開口部(31)を通って前記オーバーフロー管(21)へ流入することができるように配置され、及び形成されることを特徴とする排気ガスシステム(1)。 - 前記オーバーフロー管(21)は少なくとも前記流入開口部(31)の領域において、円筒状に、及び好ましくは、横断面で見て楕円状に形成されることを特徴とする、請求項1に記載の排気ガスシステム(1)。
- 前記オーバーフロー管(21)は流入開口部(31)を有し、前記第一の排気管部材(13)の前記導入開口部(15)から離れて配置され、前記流入開口部(31)は前記オーバーフロー管(21)の前記長手方向軸の方向に、これを横断するよりも長い辺を有することを特徴とする、請求項1又は請求項2に記載の排気ガスシステム(1)。
- 前記流入開口部(31)は実質的に矩形の導入面を有する切込みとして形成されることを特徴とする、請求項3に記載の排気ガスシステム(1)。
- 前記第一の排気管部材(13)は酸化触媒コンバータ(11)の排出シュート(33)として形成されることを特徴とする、請求項1〜請求項4のいずれか一項に記載の排気ガスシステム(1)。
- 前記第一の排気管部材(13)はダクト状に形成され、前記導入開口部(15)によって定義された仮想の平面が前記排出開口部(17)によって定義された仮想の平面において実質的に垂直であり、前記第一の排気管部材(13)が前記オーバーフロー管(21)を被覆することを特徴とする、請求項1〜請求項5のいずれか一項に記載の排気ガスシステム(1)。
- 前記第一の排気管部材(13)は、前記第一の方向に見てオーバーフロー管(21)に関して前記導入開口部(15)から離れ、前記流入開口部(31)の前に配置された流動室(45)を有し、前記噴射ユニット(35)は噴射流(47,47’)が前記流動室(45)に向けられるように配置及び配向されることを特徴とする、請求項1〜請求項6のいずれか一項に記載の排気ガスシステム(1)。
- 前記噴射流(47,47’)は前記オーバーフロー管(21)の前記長手方向軸に対してほぼ平行に、最大でも鋭角の向きに配置されることを特徴とする、請求項7に記載の排気ガスシステム(1)。
- 前記噴射流(47,47’)は前記流入開口部(31)から離れて配置されることを特徴とする、請求項7又は請求項8に記載の排気ガスシステム(1)。
- 前記流動室(45)において、少なくとも1つの実質的に板状のバッフル要素(49,49’,49’’)が前記オーバーフロー管(21)及び/又は前記第一の排気管部材(13)に固定されることを特徴とする、請求項7〜請求項9のいずれか一項に記載の排気ガスシステム(1)。
- 前記バッフル要素(49,49’,49’’)は前記噴射ユニット(35)に向いたバッフルプレート(51,51’,51’’)を有し、前記バッフルプレートはその法線ベクトルが前記オーバーフロー管(21)の前記長手方向軸に実質的に平行に配置されることを特徴とする、請求項10に記載の排気ガスシステム(1)。
- 前記バッフル要素(49,49’,49’’)は、前記流入開口部(31)の前記長手方向軸を横切る方向に沿って重なることを特徴とする、請求項10又は請求項11に記載の排気ガスシステム(1)。
- 複数のバッフル要素(49,49’,49’’)を備えることを特徴とする、請求項10〜請求項12のいずれか一項に記載の排気ガスシステム(1)。
- 前記バッフル要素は、前記オーバーフロー管(21)の前記長手方向軸の方向に見て連続して配置されることを特徴とする、請求項13に記載の排気ガスシステム(1)。
- 前記バッフル要素は前記バッフルプレート(51,51’,51’’)が互いに平行に配置されることを特徴とする、請求項13又は請求項14に記載の排気ガスシステム(1)。
- 前記バッフル要素(49,49’,49’’)は、前記バッフルプレート(51,51’,51’’)においてそれぞれ1つの凹部(53,53’,53’’)を有し、
前記凹部(53,53’,53’’)は、前記噴射流(47,47’)が前記凹部(53,53’,53’’)の領域に向けられるように配置されることを特徴とする、請求項13〜請求項15のいずれか一項に記載の排気ガスシステム(1)。 - 前記バッフル要素(49,49’,49’’)の前記凹部(53,53’,53’’)によって定義された導入面が、前記噴射流(47,47’)の方向に見て前記バッフル要素(49,49’,49’’)の配列に沿って縮小することを特徴とする、請求項16に記載の排気ガスシステム(1)。
- 前記噴射ユニット(35)は、前記噴射流(47,47’)が、前記第一の方向及び前記長手方向によって定義される、前記流入開口部(31)を対称に分割する対称面について対称に配置されるように配置及び配向されることを特徴とする、請求項1〜請求項17のいずれか一項に記載の排気ガスシステム(1)。
- 前記少なくとも1つのバッフル要素(49,49’,49’’)は前記対称面について鏡面対称に形成され及び配置されることを特徴とする、請求項18に記載の排気ガスシステム(1)。
- 主流入開口部(55)が、前記第一の排気管部材(13)の前記導入開口部(15)から離れて配置され、少なくとも1つの副流入開口部(57,57’)が、前記オーバーフロー管(21)の前記外周面(23)における、前記第一の方向に沿って見て前記主流入開口部(55)の側部に配置されることを特徴とする、請求項1、請求項2、請求項5〜請求項19のいずれか一項に記載の排気ガスシステム(1)。
- 前記副流入開口部(57,57’)は前記主流入開口部(55)よりも小さな流入開口横断面を有することを特徴とする、請求項20に記載の排気ガスシステム(1)。
- 前記副流入開口部(57,57’)は、前記オーバーフロー管(21)の前記長手方向軸の方向に見て、これを横切る辺よりも長い辺を有し、前記副流入開口部(57,57’)は矩形の導入面を有する切込みとして形成されることを特徴とする、請求項20又は請求項21に記載の排気ガスシステム(1)。
- 2つの副流入開口部(57,57’)が、前記第一の方向及び前記長手方向軸によって定義される、前記主流入開口部(55)を対称に分割する対称面について鏡面対称に配置されることを特徴とする、請求項20〜請求項22のいずれか一項に記載の排気ガスシステム(1)。
- 前記少なくとも1つの副流入開口部(57,57’)は少なくとも1つの流れ誘導要素(59,61)を有し、前記流れ誘導要素によって排気ガスが実質的に接線方向に前記オーバーフロー管(21)へ誘導可能であり、前記流れ誘導要素(59,61)は好ましくは、半径方向に見て外側及び/又は内側へ湾曲した前記外周面(23)の領域として形成されることを特徴とする、請求項20〜請求項23のいずれか一項に記載の排気ガスシステム(1)。
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DE102012021017.5 | 2012-10-26 | ||
PCT/EP2013/002923 WO2014063772A1 (de) | 2012-10-26 | 2013-09-28 | Abgassystem |
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EP (1) | EP2912287B1 (ja) |
JP (1) | JP6077665B2 (ja) |
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Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202013006962U1 (de) | 2013-08-05 | 2013-08-28 | Tenneco Gmbh | Mischkammer |
FR3020835B1 (fr) | 2014-05-07 | 2016-06-24 | Faurecia Systemes D'echappement | Ensemble de purification de gaz d'echappement et ligne d'echappement comprenant un tel ensemble |
JP6120333B2 (ja) * | 2014-05-15 | 2017-04-26 | 株式会社ユタカ技研 | 排ガス浄化装置 |
US9784163B2 (en) | 2015-01-22 | 2017-10-10 | Tenneco Automotive Operating Company Inc. | Exhaust aftertreatment system having mixer assembly |
DE102015103425B3 (de) | 2015-03-09 | 2016-05-19 | Tenneco Gmbh | Mischvorrichtung |
DE102015108655B4 (de) | 2015-06-01 | 2017-07-13 | Tenneco Gmbh | Mischer |
DE102015219962A1 (de) * | 2015-10-14 | 2017-04-20 | Robert Bosch Gmbh | Vorrichtung zur Nachbehandlung des Abgases einer Brennkraftmaschine |
CN105587386B (zh) * | 2015-12-17 | 2018-03-23 | 无锡威孚力达催化净化器有限责任公司 | 轻型柴油车密耦型scr后处理封装结构 |
DE102016108113B4 (de) | 2016-05-02 | 2024-04-25 | Friedrich Boysen Gmbh & Co. Kg | Vorrichtung zum Einbringen und Verteilen einer Flüssigkeit in einen Gasstrom |
CN107795359B (zh) * | 2016-09-07 | 2021-04-02 | 天纳克(苏州)排放系统有限公司 | 混合腔组件 |
US10961480B2 (en) | 2017-01-17 | 2021-03-30 | Exxonmobil Chemical Patents Inc. | High stability lubricating oil base stocks and processes for preparing the same |
FR3068730B1 (fr) * | 2017-07-04 | 2020-02-14 | Faurecia Systemes D'echappement | Dispositif d'injection pour une ligne d'echappement de vehicule et ligne d'echappement correspondante |
CN107255043A (zh) * | 2017-07-27 | 2017-10-17 | 天纳克(苏州)排放系统有限公司 | 发动机排气后处理封装及应用 |
CN107299852A (zh) * | 2017-07-27 | 2017-10-27 | 天纳克(苏州)排放系统有限公司 | 发动机排气后处理混合装置及其后处理装置与应用 |
CN109386355B (zh) * | 2017-08-14 | 2022-05-24 | 波森公司 | 混合器装置和废气系统 |
US10508579B2 (en) | 2017-08-31 | 2019-12-17 | Friedrich Boysen Gmbh & Co. Kg | Mixer device |
GB2582073B (en) * | 2017-10-20 | 2022-08-24 | Cummins Emission Solutions Inc | Aftertreatment system for mixing a reductant in an exhaust gas flowing therethrough |
US10577996B2 (en) | 2017-12-20 | 2020-03-03 | Caterpillar Inc. | Exhaust conduit with a flow conditioning portion |
GB2569612B (en) * | 2017-12-21 | 2021-12-29 | Perkins Engines Co Ltd | End can assembly for an engine exhaust aftertreatment canister |
WO2020009713A1 (en) * | 2018-07-06 | 2020-01-09 | Cummins Emission Solutions Inc. | Decomposition chamber for aftertreatment systems |
IT201900001933A1 (it) * | 2019-02-11 | 2020-08-11 | Cnh Ind Italia Spa | Sistema migliorato di trattamento dei gas di scarico per un veicolo |
IT201900006960A1 (it) * | 2019-05-17 | 2020-11-17 | Magneti Marelli Spa | Dispositivo di trattamento dei gas di scarico per un motore a combustione interna |
WO2022097198A1 (ja) * | 2020-11-04 | 2022-05-12 | 東京濾器株式会社 | 混合装置 |
CN112196647B (zh) * | 2020-11-18 | 2022-04-26 | 潍柴动力股份有限公司 | 尿素混合器、scr系统、车辆及控制方法 |
CN112879141B (zh) * | 2021-02-26 | 2021-12-17 | 徐州徐工矿业机械有限公司 | 一种降低非道路移动机械大功率发动机烟度的后处理装置 |
CN117501000A (zh) | 2021-06-17 | 2024-02-02 | 东京滤器株式会社 | 排气净化装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008111254A1 (ja) * | 2007-03-12 | 2008-09-18 | Bosch Corporation | 内燃機関の排気浄化装置 |
JP2009150338A (ja) * | 2007-12-21 | 2009-07-09 | Mitsubishi Fuso Truck & Bus Corp | エンジンの排気浄化装置 |
JP2011099390A (ja) * | 2009-11-06 | 2011-05-19 | Mitsubishi Fuso Truck & Bus Corp | エンジンの排気浄化装置 |
JP2014074387A (ja) * | 2012-10-05 | 2014-04-24 | Futaba Industrial Co Ltd | 排気ガス浄化装置 |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2452178C3 (de) | 1974-11-02 | 1981-05-07 | MTU Motoren- und Turbinen-Union München GmbH, 8000 München | Brennkammer für Gasturbinentriebwerke |
JPS60169619A (ja) | 1984-02-13 | 1985-09-03 | Mazda Motor Corp | 車両搭載用エンジンの排気ガス浄化装置 |
GB0113226D0 (en) * | 2001-06-01 | 2001-07-25 | Nelson Burgess Ltd | Catalytic converter |
GB2381218B (en) * | 2001-10-25 | 2004-12-15 | Eminox Ltd | Gas treatment apparatus |
GB2416718A (en) * | 2004-07-29 | 2006-02-08 | Eminox Ltd | Gas treatment apparatus |
DE102006043225A1 (de) | 2006-09-11 | 2008-03-27 | J. Eberspächer GmbH & Co. KG | Abgasanlage für eine Brennkraftmaschine |
FR2906838B1 (fr) | 2006-10-09 | 2013-03-29 | Renault Sas | Ligne d'echappement munie d'un injecteur de carburant et de moyens d'homogeneisation des gaz brules. |
JP4928304B2 (ja) | 2007-02-23 | 2012-05-09 | 日野自動車株式会社 | 排気浄化装置 |
JP5244334B2 (ja) * | 2007-05-01 | 2013-07-24 | 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 |
DE202007010324U1 (de) | 2007-07-25 | 2008-11-27 | Heinrich Gillet Gmbh | Vorrichtung zum Nachbehandeln der Abgase von Dieselmotoren |
GB2452249A (en) | 2007-08-17 | 2009-03-04 | Emcon Technologies Germany | An exhaust system |
JP4375465B2 (ja) | 2007-09-14 | 2009-12-02 | トヨタ自動車株式会社 | 排気通路の添加剤分散板構造 |
JP4600457B2 (ja) | 2007-10-02 | 2010-12-15 | トヨタ自動車株式会社 | 排気通路の添加剤分散板構造 |
US8272777B2 (en) * | 2008-04-21 | 2012-09-25 | Heinrich Gillet Gmbh (Tenneco) | Method for mixing an exhaust gas flow |
DE102010014037A1 (de) | 2009-04-02 | 2010-11-04 | Cummins Filtration IP, Inc., Minneapolis | Reduktionsmittelzersetzungssystem |
JP5224294B2 (ja) | 2009-08-10 | 2013-07-03 | 三菱ふそうトラック・バス株式会社 | エンジンの排気浄化装置 |
DE102009041345A1 (de) | 2009-09-15 | 2011-04-21 | Mtu Friedrichshafen Gmbh | System zur Einbringung eines fluiden Zusatzstoffes |
WO2011110885A1 (en) * | 2010-03-11 | 2011-09-15 | Renault Trucks | Mixing system for an exhaust gas after-treatment arrangement |
WO2011163395A1 (en) * | 2010-06-22 | 2011-12-29 | Donaldson Company, Inc. | Dosing and mixing arrangement for use in exhaust aftertreatment |
SE535219C2 (sv) * | 2010-10-06 | 2012-05-29 | Scania Cv Abp | Arrangemang för att införa ett vätskeformigt medium i avgaser från en förbränningsmotor |
FI20106317A0 (fi) | 2010-12-14 | 2010-12-14 | Proventia Emission Control Oy | Menetelmä ja laite pakokaasun puhdistamiseksi |
DE102011120685A1 (de) * | 2011-12-09 | 2012-07-05 | Daimler Ag | Abgasstrang für ein Fahrzeug |
-
2012
- 2012-10-26 DE DE102012021017.5A patent/DE102012021017A1/de active Pending
-
2013
- 2013-09-28 US US14/438,429 patent/US9657620B2/en active Active
- 2013-09-28 WO PCT/EP2013/002923 patent/WO2014063772A1/de active Application Filing
- 2013-09-28 JP JP2015538314A patent/JP6077665B2/ja active Active
- 2013-09-28 EP EP13774066.8A patent/EP2912287B1/de active Active
- 2013-09-28 CN CN201380055980.9A patent/CN104755716B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008111254A1 (ja) * | 2007-03-12 | 2008-09-18 | Bosch Corporation | 内燃機関の排気浄化装置 |
US20100083643A1 (en) * | 2007-03-12 | 2010-04-08 | Miwa Hayashi | Exhaust gas purification apparatus for internal combustion engine |
JP2009150338A (ja) * | 2007-12-21 | 2009-07-09 | Mitsubishi Fuso Truck & Bus Corp | エンジンの排気浄化装置 |
JP2011099390A (ja) * | 2009-11-06 | 2011-05-19 | Mitsubishi Fuso Truck & Bus Corp | エンジンの排気浄化装置 |
JP2014074387A (ja) * | 2012-10-05 | 2014-04-24 | Futaba Industrial Co Ltd | 排気ガス浄化装置 |
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US20150275728A1 (en) | 2015-10-01 |
CN104755716A (zh) | 2015-07-01 |
EP2912287B1 (de) | 2016-11-16 |
CN104755716B (zh) | 2017-08-15 |
JP6077665B2 (ja) | 2017-02-08 |
EP2912287A1 (de) | 2015-09-02 |
WO2014063772A1 (de) | 2014-05-01 |
DE102012021017A1 (de) | 2014-04-30 |
US9657620B2 (en) | 2017-05-23 |
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