WO2017076838A1 - Système mélangeur servant à mélanger un additif à un flux de gaz d'échappement - Google Patents

Système mélangeur servant à mélanger un additif à un flux de gaz d'échappement Download PDF

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Publication number
WO2017076838A1
WO2017076838A1 PCT/EP2016/076308 EP2016076308W WO2017076838A1 WO 2017076838 A1 WO2017076838 A1 WO 2017076838A1 EP 2016076308 W EP2016076308 W EP 2016076308W WO 2017076838 A1 WO2017076838 A1 WO 2017076838A1
Authority
WO
WIPO (PCT)
Prior art keywords
exhaust gas
jacket
guide
mixer
mixer device
Prior art date
Application number
PCT/EP2016/076308
Other languages
German (de)
English (en)
Inventor
Klaus MÜLLER-HAAS
Original Assignee
Continental Automotive Gmbh
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 Continental Automotive Gmbh filed Critical Continental Automotive Gmbh
Priority to CN201680056398.8A priority Critical patent/CN108138633A/zh
Priority to EP16788550.8A priority patent/EP3371427A1/fr
Publication of WO2017076838A1 publication Critical patent/WO2017076838A1/fr
Priority to US15/968,195 priority patent/US20180245495A1/en

Links

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
    • F01N3/24—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
    • 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
    • F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
    • 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
    • F01N3/24—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
    • F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
    • F01N3/2807—Metal other than sintered metal
    • F01N3/281—Metallic honeycomb monoliths made of stacked or rolled sheets, foils or plates
    • F01N3/2821—Metallic honeycomb monoliths made of stacked or rolled sheets, foils or plates the support being provided with means to enhance the mixing process inside the converter, e.g. sheets, plates or foils with protrusions or projections to create turbulence
    • 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
    • F01N2330/00—Structure of catalyst support or particle filter
    • F01N2330/02—Metallic plates or honeycombs, e.g. superposed or rolled-up corrugated or otherwise deformed sheet metal
    • 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
    • F01N2330/00—Structure of catalyst support or particle filter
    • F01N2330/30—Honeycomb supports characterised by their structural details
    • F01N2330/38—Honeycomb supports characterised by their structural details flow channels with means to enhance flow mixing,(e.g. protrusions or projections)
    • 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

Definitions

  • the invention relates to a mixer arrangement for mixing an additive with an exhaust gas flow, with an exhaust pipe, an exhaust gas flowing through the exhaust pipe in a main flow direction, at least one arranged in the exhaust gas emission control element, which has a jacket and disposed within the shell overflow surface for the exhaust gas having
  • the invention is therefore based on the object to create a Vor ⁇ direction, with the high nitrogen oxide reduction rates can be achieved.
  • the object is achieved in that the jacket of the at least one exhaust gas purification element has a Leit ⁇ structure.
  • the conductive structure is not a functional element of the ex ⁇ gas cleaning element, in particular arranged within the Man ⁇ means of overflow.
  • the guide structure is arranged as an additional functional unit on the at least one exhaust gas cleaning element.
  • the generation of the conductive structure can be achieved in that the guide structure in one piece out with the shell forms ⁇ according to a further advantageous embodiment particularly simple.
  • the conductive structure can be produced in the same working step by appropriately cutting out the sheet metal jacket. This eliminates the attachment of the conductive structure on the jacket.
  • the guide structure is connected to the jacket.
  • the attachment of the conductive structure to the jacket can advantageously by means of welding or stapling, z. B.
  • the conductive structure can either be pressed into the shell or pressed onto the shell.
  • the Einpres ⁇ sen the lead compound in the coat has the advantage that the guide structure of the outer diameter of the Abgastherapiesvor- Direction not enlarged, so that no additional space is required based on the outer ⁇ diameter.
  • the guide structure is a cylindrical component having its outer surface at least one indentation ⁇ radially inward.
  • the guide structure at least two guide elements, preferably 3 to 20 vanes, in particular 4 to 10 comprising guide elements.
  • the turbulence in the exhaust stream is improved when the guide elements are at least partially bent radially inward in the direction of the symmetry ⁇ axis of the exhaust pipe. At least partially bent is understood to mean that the entire guide element or only a part of the guide element is bent inwards.
  • a bend in the sense of the invention means both a discontinuous course of the guide element, as it occurs when kinking, as well as a continuous course of the guide element, when the bend can be described with a radius.
  • An improved turbulence can also be achieved in that a guide element is bent several times.
  • the guide element can first be bent inward in the flow direction and subsequently also outwards in the direction of the wall of the exhaust gas line.
  • Another adjustment of the turbulence of the exhaust stream is achieved in a simple manner that the individual Guide elements different sizes and / or bends have on ⁇ .
  • recurring turbulence patterns in the exhaust gas flow can be minimized relative to the circumferential direction. Otherwise, they would cause turbulence to form over a particular sector, aggravating turbulence over the entire circumference of the exhaust stream.
  • the guide elements protrude ⁇ as far as possible in the exhaust stream, they must have a certain length. If the guide elements are aligned parallel to the man ⁇ telachse in a developed jacket, the necessary length of the sheet for their production results from the axial length of the shell and the length of the guide elements. According to a further advantageous embodiment, the length of the required jacket plate for the production can be significantly reduced, if the guide elements aligned at an angle to the jacket. This orientation the guiding elements have an interpreting ⁇ Lich smaller axial extension. As a result, the production costs can be reduced.
  • all the guide elements are formed with the same shape. This has the advantage that a punching tool for the production of the guide elements can be designed inexpensively.
  • Asymmetrical means that the guide elements, for example, have a deviating from a rectangular shape surface.
  • the guide elements have substructures according to a further advantageous embodiment.
  • Such substructures may be imprints, perforations or incisions in the edge regions, wherein in the incisions in the edge regions, the individual regions may additionally be bent.
  • the overflow surfaces used in exhaust gas purification elements usually cause a certain laminarization of the exhaust gas flow within the exhaust gas purification element and when the exhaust gas leaves the exhaust gas purification element.
  • Flows have the disadvantage of not only causing and maintaining non-uniformities that occur during the injection of the additive. They also cause them to maintain temperature gradients impressed in the exhaust gas flow.
  • Such Temperarturgradienten arise because the exhaust gas cleaning elements radially outside have a lower Tem ⁇ temperature. The exhaust aftertreatment is therefore lower in these areas.
  • the formation of such Tempraturgra- were used in the subsequent portion of the exhaust pipe of an advantageous embodiment is thereby avoided ACCORDING that the conductive structure according to the invention on the downstream fed ⁇ side facing the shell of the exhaust purifying member is integrally ⁇ arranged. The turbulence of the emerging flow thus produced counteracts the formation of such temperature gradients in the subsequent section of the exhaust gas line.
  • the exhaust gas mixes over the entire cross section of the exhaust pipe and the exhaust aftertreatment is improved.
  • This embodiment is also advantageous if the exhaust aftertreatment is performed with a plurality of exhaust gas purification elements and the guide structure is arranged on at least one of the exhaust gas purification elements, which are positioned in front of the last in the flow direction exhaust gas purification element.
  • the guide structure is arranged on the upstream side of the exhaust gas ⁇ cleaning element on the jacket.
  • This is in particular ⁇ sondere advantageous when supplied to the exhaust purifying member exhaust gas flow is laminar and has thus based on the cross-section of the exhaust pipe temperature gradient.
  • ⁇ sondere advantageous when supplied to the exhaust purifying member exhaust gas flow is laminar and has thus based on the cross-section of the exhaust pipe temperature gradient.
  • the upstream arranged ⁇ lead structure Characterized the Abgastherapiesele ⁇ element is traversed by a flow, without temperature gradient, resulting in improved temperature distribution in the exhaust gas purifying ⁇ element and thus an improved exhaust-gas treatment has resulted.
  • the inventive arrangement of a guide structure is also not limited to certain types of emission control elements.
  • the guide structure can also be provided in so-called ring catalysts. Ring catalysts are exhaust gas purification elements which have a cylindrical recess in the center in the manner of a hollow cylinder and the honeycomb body extends around this cylindrical recess.
  • the guide structure is in the region of the cylindrical recess orderly .
  • the exhaust purifying member requires no additional space in the axial direction when the lead compound not over the axial extent of the honeycomb body extends ⁇ .
  • the guide structure with the embodiments already described can be applied to hollow cylindrical honeycomb bodies.
  • Fig. 2 - 4 further arrangements of a mixer arrangement according to
  • Fig. 5 shows an exhaust gas purification element with a spill ⁇ surface
  • Fig. 6 the casing an exhaust gas purification element
  • FIG. 10 shows a further embodiment of a mixer arrangement.
  • Figure 1 shows a mixer arrangement with an exhaust pipe 1 in a motor vehicle, not shown.
  • the arrow shows the main flow direction of the exhaust gas flowing through the exhaust gas line 1.
  • Urea solution is sprayed into the exhaust gas stream at an angle to the skin flow direction via an injector 2 arranged on the exhaust gas line 1 in such a way that the jet 3 impinges on an exhaust gas purification element 4 approximately centrally.
  • the exhaust gas purification element is an SCR catalytic converter 4.
  • the SCR catalytic converter 4 consists of a honeycomb body 5, shown schematically, which forms an overflow surface for the exhaust gas, and a jacket 6, which completely accommodates the honeycomb body 5.
  • a conductive structure 8 attached to the jacket 6.
  • the structure of the conductive structure 8 will be described in the following figures.
  • the sprayed urea solution is sprayed onto the honeycomb body 5 and transported by the exhaust gas through the honeycomb body 5. Due to the structure of this overflow surface, the exhaust gas and the drops of urea solution still contained therein essentially emerge as laminar flow on the side 7 from the honeycomb body 5.
  • the guide structure 8 causes a disturbance of the laminar flow, so that the laminar flow in the flow direction swirled behind the guide structure 8 and thus merges into a turbulent flow. As a result of this turbulence, more exhaust gas comes into contact with the drops of the urea solution, which increases the efficiency of the exhaust after-treatment.
  • the mixer arrangement in Figure 2 consists of the exhaust pipe 1 and two SCR catalysts 4, 4 ⁇ as exhaust gas purification elements. Both SCR catalysts 4, 4 ⁇ each have a Wabenkör- by 5 and a surrounding mantle 6. The in front of the
  • the last SCR catalytic converter 4 ⁇ arranged SCR catalyst 4 has a guide structure 8 on its downstream side facing 7.
  • the guide structure 8 Through the guide structure 8, the flow emerging from the SCR catalyst 4 vortexed, so that a mixed exhaust gas flow in the after ⁇ following SCR catalyst 4 ⁇ occurs.
  • hotter exhaust gas from the center of the SCR catalytic converter 4 is mixed with the less hot exhaust gas from the regions in the vicinity of the jacket 6, so that exhaust gas entering the SCR catalytic converter 4 ⁇ has a greater temperature homogeneity relative to the cross section which increases the efficiency of the second SCR catalyst 4 ⁇ .
  • the mixer arrangement according to FIG. 3 can be seen as a combination of the mixing arrangements from FIGS. 1 and 2.
  • the guide structure 8 causes turbulence of the exiting the SCR catalytic converter 4 exhaust gas flow, whereby the in the SCR catalyst 4 'entering exhaust stream has a more uniform distribution both in terms of temperature distribution but also with regard to the droplet distribution of the sprayed urea solution.
  • the guide structure 8 supports the beam
  • the mixer arrangement shown in Figure 4 differs in terms of the exhaust gas purification element 4. This has on the upstream side 9 of the jacket 6, a conductive structure 8. Thus, the impinging exhaust gas flow is swirled influenced by the exhaust gas purification element 4, the exhaust gas flow is supplied.
  • FIG. 5 shows a plan view of an exhaust gas purification element
  • the rack 4 in particular an SCR catalyst.
  • This consists of a jacket 6, in which a honeycomb body 5 is arranged.
  • the honeycomb body 5 consists of a multiplicity of mutually connected foil layers, which form the overflow surface for the exhaust gas.
  • the jacket 6 has a greater length than the Wa ⁇ benesque 5.
  • the guide structure 8 is secured by induction welding.
  • the guide structure 8 consists of a circumferential ring 10, which rests against the inside of the jacket 6. Of the ring 10 it ⁇ extend in the axial direction of the guide elements 11.
  • the guide elements 11 have all the same area and shape and are bent radially inward, in which the guide elements 11 are intermittently bent along one edge so that it at an angle between 0 ° and 90 ° protrude into the exhaust ⁇ stream.
  • the guide structure 8 with the guide elements 11 is formed in one piece with the jacket 6 of the SCR catalytic converter 4.
  • the jacket tube 6 is shown as a development.
  • the jacket tube is rolled, so that the two outer edges 13, 14 abut each other. At- closing the jacket 6 can be welded.
  • the guide elements 11 are bent at the desired angle.
  • adjacent guide elements 11 have different shapes. This is achieved by Variati ⁇ on the lengths and widths of the guide elements 11 but also by bending at different angles.
  • FIG. 8 shows a guide element 11, which has not yet been bent, in a side view, which has incisions on the circumference as a substructure and individual regions 16 are bent from the plane of the guide element 11 in a tongue-shaped manner.
  • the guide element 11 in FIG. 9 has a first region 17, in which the guide element 11 is bent radially inward. In a second region 18 of the guide element is bent to entge ⁇ gennew. Over both areas 17, 18, the guide element 11 has a rotation about its longitudinal axis 19.
  • Figure 10 shows another embodiment of a Mischeranord ⁇ voltage, which aims essentially to the configuration of the honeycomb body 5 of the exhaust purifying member.
  • the Wabenkör ⁇ per 5 is formed as a hollow cylinder having a center lying in the zy-cylindrical recess 20th
  • the guide structure 8 is arranged in the cylindrical recess 20, preferably on the honeycomb body 5 radially inwardly bounding wall of the jacket 6. In the illustration shown, the guide structure 8 is arranged at the downstream end of the exhaust gas purification element 4.

Abstract

L'invention concerne un système mélangeur servant à mélanger un additif à un flux de gaz d'échappement, comprenant une conduite de gaz d'échappement (1), un gaz d'échappement qui parcourt la conduite de gaz d'échappement (1) dans une direction principale d'écoulement, et au moins un élément d'épuration du gaz d'échappement (4, 4') disposé dans la conduite de gaz d'échappement (1), lequel présente une enveloppe (6) et une surface de passage (5) pour le gaz d'échappement agencée à l'intérieur de l'enveloppe (6). L'enveloppe (6) du ou des éléments d'épuration du gaz d'échappement (4, 4') présente une structure de guidage (8).
PCT/EP2016/076308 2015-11-02 2016-11-01 Système mélangeur servant à mélanger un additif à un flux de gaz d'échappement WO2017076838A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201680056398.8A CN108138633A (zh) 2015-11-02 2016-11-01 用于将添加剂与排气流动混合的混合器组件
EP16788550.8A EP3371427A1 (fr) 2015-11-02 2016-11-01 Système mélangeur servant à mélanger un additif à un flux de gaz d'échappement
US15/968,195 US20180245495A1 (en) 2015-11-02 2018-05-01 Mixer assembly for mixing an additive with an exhaust gas flow

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102015221438 2015-11-02
DE102015221438.9 2015-11-02
DE102016221432.2A DE102016221432A1 (de) 2015-11-02 2016-11-01 Mischeranordnung zum Vermischen eines Additivs mit einem Abgasstrom
DE102016221432.2 2016-11-01

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US15/968,195 Continuation US20180245495A1 (en) 2015-11-02 2018-05-01 Mixer assembly for mixing an additive with an exhaust gas flow

Publications (1)

Publication Number Publication Date
WO2017076838A1 true WO2017076838A1 (fr) 2017-05-11

Family

ID=58546256

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2016/076308 WO2017076838A1 (fr) 2015-11-02 2016-11-01 Système mélangeur servant à mélanger un additif à un flux de gaz d'échappement

Country Status (5)

Country Link
US (1) US20180245495A1 (fr)
EP (1) EP3371427A1 (fr)
CN (1) CN108138633A (fr)
DE (1) DE102016221432A1 (fr)
WO (1) WO2017076838A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997035107A1 (fr) * 1996-03-18 1997-09-25 Cheng Theodore Yi Tze Dispositif produisant un ecoulement tourbillonnaire d'essence pour moteur a combustion interne
EP0894523A1 (fr) * 1997-07-28 1999-02-03 Siemens Aktiengesellschaft Mélangeur statique et tuyau de gaz d'échappement pour une installation de combustion
DE102006024199A1 (de) * 2006-05-23 2007-11-29 Arvinmeritor Emissions Technologies Gmbh Verwirbelungselement für Abgasanlage
EP1985356A2 (fr) * 2007-04-25 2008-10-29 J. Eberspächer GmbH & Co. KG Dispositif de mélange et/ou d'évaporation et procédé de fabrication correspondant
US20100083643A1 (en) * 2007-03-12 2010-04-08 Miwa Hayashi Exhaust gas purification apparatus for internal combustion engine
US20110011067A1 (en) * 2009-07-14 2011-01-20 Gm Global Technology Operations, Inc. Ash Filter, Exhaust Gas Treatment System Incorporating the Same and Method of Using the Same
DE102011117139A1 (de) 2011-10-28 2013-05-02 Emitec Gesellschaft Für Emissionstechnologie Mbh Mischeranordnung zur Reduktionsmittelaufbereitung

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2392261T3 (es) * 2004-07-16 2012-12-07 Nissan Diesel Motor Co., Ltd. Aparato de purificación de gases de escape para motor
ITMI20050655A1 (it) * 2005-04-15 2006-10-16 Iveco Spa Miscelatore statico
US7533520B2 (en) * 2006-04-24 2009-05-19 Fleetguard, Inc. Exhaust aftertreatment mixer with stamped muffler flange
JP4949152B2 (ja) * 2007-07-20 2012-06-06 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
FR2957119B1 (fr) * 2010-03-02 2013-05-10 Peugeot Citroen Automobiles Sa Chambre de melange d'un produit reducteur a des gaz d'echappement
DE102011111765B4 (de) * 2011-08-24 2023-06-22 Friedrich Boysen Gmbh & Co. Kg Mischereinrichtung
US8826649B2 (en) * 2011-10-18 2014-09-09 GM Global Technology Operations LLC Assembly for mixing liquid within gas flow
DE102011117090B4 (de) * 2011-10-27 2023-01-26 Volkswagen Aktiengesellschaft Abgasreinigungsvorrichtung
US20130333363A1 (en) * 2012-06-15 2013-12-19 Cummins Ip, Inc. Reductant decomposition and mixing system
CN103659644B (zh) * 2012-08-30 2015-12-16 鸿富锦精密工业（深圳）有限公司 定位装置及其定位机构
DE102013210955A1 (de) * 2013-06-12 2014-12-18 Robert Bosch Gmbh Vorrichtung zur Nachbehandlung eines Abgases einer Brennkraftmaschine

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997035107A1 (fr) * 1996-03-18 1997-09-25 Cheng Theodore Yi Tze Dispositif produisant un ecoulement tourbillonnaire d'essence pour moteur a combustion interne
EP0894523A1 (fr) * 1997-07-28 1999-02-03 Siemens Aktiengesellschaft Mélangeur statique et tuyau de gaz d'échappement pour une installation de combustion
DE102006024199A1 (de) * 2006-05-23 2007-11-29 Arvinmeritor Emissions Technologies Gmbh Verwirbelungselement für Abgasanlage
US20100083643A1 (en) * 2007-03-12 2010-04-08 Miwa Hayashi Exhaust gas purification apparatus for internal combustion engine
EP1985356A2 (fr) * 2007-04-25 2008-10-29 J. Eberspächer GmbH & Co. KG Dispositif de mélange et/ou d'évaporation et procédé de fabrication correspondant
US20110011067A1 (en) * 2009-07-14 2011-01-20 Gm Global Technology Operations, Inc. Ash Filter, Exhaust Gas Treatment System Incorporating the Same and Method of Using the Same
DE102011117139A1 (de) 2011-10-28 2013-05-02 Emitec Gesellschaft Für Emissionstechnologie Mbh Mischeranordnung zur Reduktionsmittelaufbereitung

Also Published As

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DE102016221432A1 (de) 2017-05-04
US20180245495A1 (en) 2018-08-30
CN108138633A (zh) 2018-06-08
EP3371427A1 (fr) 2018-09-12

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