DE602008002403D1 - Exhaust system of an internal combustion engine - Google Patents

Exhaust system of an internal combustion engine

Info

Publication number
DE602008002403D1
DE602008002403D1 DE602008002403T DE602008002403T DE602008002403D1 DE 602008002403 D1 DE602008002403 D1 DE 602008002403D1 DE 602008002403 T DE602008002403 T DE 602008002403T DE 602008002403 T DE602008002403 T DE 602008002403T DE 602008002403 D1 DE602008002403 D1 DE 602008002403D1
Authority
DE
Germany
Prior art keywords
combustion engine
internal combustion
exhaust system
exhaust
engine
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
DE602008002403T
Other languages
German (de)
Inventor
Massimiliano Gambarotto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Marelli Europe SpA
Original Assignee
Magneti Marelli SpA
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=39638772&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE602008002403(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Magneti Marelli SpA filed Critical Magneti Marelli SpA
Publication of DE602008002403D1 publication Critical patent/DE602008002403D1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/40—Static mixers
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/431—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor
    • B01F25/4315—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor the baffles being deformed flat pieces of material
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/21—Mixing gases with liquids by introducing liquids into gaseous media
    • B01F23/213—Mixing gases with liquids by introducing liquids into gaseous media by spraying or atomising of the liquids
    • B01F23/2132—Mixing gases with liquids by introducing liquids into gaseous media by spraying or atomising of the liquids using nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/314—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit
    • B01F25/3141—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit with additional mixing means other than injector mixers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/40—Static mixers
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/431—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor
    • B01F25/43197—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor characterised by the mounting of the baffles or obstructions
    • B01F25/431974—Support members, e.g. tubular collars, with projecting baffles fitted inside the mixing tube or adjacent to the inner wall
    • 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
    • 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
    • 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
    • F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/14—Nitrogen oxides
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)
DE602008002403T 2008-02-12 2008-02-12 Exhaust system of an internal combustion engine Active DE602008002403D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20080425083 EP2098697B2 (en) 2008-02-12 2008-02-12 Exhaust system of an internal combustion engine

Publications (1)

Publication Number Publication Date
DE602008002403D1 true DE602008002403D1 (en) 2010-10-14

Family

ID=39638772

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602008002403T Active DE602008002403D1 (en) 2008-02-12 2008-02-12 Exhaust system of an internal combustion engine

Country Status (2)

Country Link
EP (1) EP2098697B2 (en)
DE (1) DE602008002403D1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8375709B2 (en) * 2009-11-17 2013-02-19 Tenneco Automotive Operating Company Inc. Exhaust gas additive/treatment system and mixer for use therein
US8359832B2 (en) 2009-12-21 2013-01-29 Caterpillar Inc. SCR reductant mixer
FR2956155B1 (en) * 2010-02-05 2013-09-13 Peugeot Citroen Automobiles Sa EXHAUST LINE FOR AN INTERNAL COMBUSTION ENGINE
US20110239631A1 (en) * 2010-04-05 2011-10-06 Caterpillar Inc. Ring Reductant Mixer
GB201100673D0 (en) * 2011-01-15 2011-03-02 Statiflo Internat Ltd Static mixer assembly
ITBO20110533A1 (en) * 2011-09-16 2013-03-17 Magneti Marelli Spa DISCHARGE SYSTEM OF AN INTERNAL COMBUSTION ENGINE PROVIDED WITH AN ADDITIVE INJECTION DEVICE
US20150353371A1 (en) * 2012-12-18 2015-12-10 Invista North America S.A R.L. Processes for producing hydrogen cyanide using static mixer
JP5787104B2 (en) * 2013-02-21 2015-09-30 トヨタ自動車株式会社 Dispersion plate and dispersion device
PL2910301T3 (en) 2014-02-21 2017-03-31 Modulo S.R.L. Machine and method to produce urea mixers for exhaust devices of vehicles with internal-combustion engines
DE102014205158A1 (en) * 2014-03-19 2015-09-24 Eberspächer Exhaust Technology GmbH & Co. KG Mixer for an exhaust system
DE102014222296A1 (en) * 2014-10-31 2016-05-04 Eberspächer Exhaust Technology GmbH & Co. KG Exhaust gas treatment device
JP2021071054A (en) * 2019-10-29 2021-05-06 株式会社豊田自動織機 Urea water dispersion device and mounting structure for urea water dispersion device

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1182954A (en) * 1912-05-13 1916-05-16 American Motors Corp Mixing device.
DE59204320D1 (en) 1991-07-30 1995-12-21 Sulzer Chemtech Ag Mixing device for small amounts of fluid.
DE19731926C1 (en) 1997-07-24 1999-01-21 Siemens Ag Emission control system for a diesel engine
DE19731865C2 (en) 1997-07-24 1999-05-06 Siemens Ag Exhaust gas purification system for the exhaust gas of a diesel engine
DE59710811D1 (en) 1997-07-28 2003-11-06 Siemens Ag Use of a static mixer as Hydrilysekatalysator and its use in an exhaust pipe for an incinerator
DE19741199C2 (en) 1997-09-18 2000-10-26 Siemens Ag Static mixer
ES2174642T3 (en) 1998-08-11 2002-11-01 Siemens Ag DEVICE FOR CATALITIC CLEANING OF EXHAUST GAS.
DE19902207A1 (en) 1999-01-21 2000-07-27 Man Nutzfahrzeuge Ag Process for metering a reducing agent, and device for carrying out the process
DE19934413A1 (en) 1999-07-22 2001-01-25 Siemens Ag Apparatus for introducing an additive into an exhaust gas in the exhaust gas line of a diesel engine comprises a nozzle and mixers which are combined to form a constructive and functional component
DE19938854C5 (en) 1999-08-17 2006-12-28 Emitec Gesellschaft Für Emissionstechnologie Mbh Device for reducing the nitrogen oxide content in an exhaust gas of an internal combustion engine
DE10060808B4 (en) 2000-12-07 2004-12-02 Robert Bosch Gmbh emission control system
US6449947B1 (en) 2001-10-17 2002-09-17 Fleetguard, Inc. Low pressure injection and turbulent mixing in selective catalytic reduction system
EP1424488A1 (en) * 2002-11-26 2004-06-02 David Burnett Vortex spinning device for an automotive vehicle
US20040265198A1 (en) * 2003-06-30 2004-12-30 Biswas Subodh Chandra Power generation aftertreatment system
EP1514591A1 (en) 2003-09-15 2005-03-16 J. Eberspächer GmbH & Co. KG Hot gas flow channel, especially within an exhaust system of an internal combustion engine upstream of a catalyst
DE102004004738A1 (en) 2004-01-30 2005-08-18 Robert Bosch Gmbh Method and device for the after-treatment of an exhaust gas of an internal combustion engine
US7581387B2 (en) * 2005-02-28 2009-09-01 Caterpillar Inc. Exhaust gas mixing system
JP2007032472A (en) 2005-07-28 2007-02-08 Hitachi Ltd Exhaust gas treatment device using urea water
US7533520B2 (en) * 2006-04-24 2009-05-19 Fleetguard, Inc. Exhaust aftertreatment mixer with stamped muffler flange

Also Published As

Publication number Publication date
EP2098697B1 (en) 2010-09-01
EP2098697B2 (en) 2015-05-20
EP2098697A1 (en) 2009-09-09

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