FR2891305B1 - VEHICLE ENGINE EXHAUST LINE COMPRISING A FUEL INJECTOR - Google Patents

VEHICLE ENGINE EXHAUST LINE COMPRISING A FUEL INJECTOR

Info

Publication number
FR2891305B1
FR2891305B1 FR0509853A FR0509853A FR2891305B1 FR 2891305 B1 FR2891305 B1 FR 2891305B1 FR 0509853 A FR0509853 A FR 0509853A FR 0509853 A FR0509853 A FR 0509853A FR 2891305 B1 FR2891305 B1 FR 2891305B1
Authority
FR
France
Prior art keywords
fuel injector
engine exhaust
exhaust line
vehicle engine
vehicle
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
FR0509853A
Other languages
French (fr)
Other versions
FR2891305A1 (en
Inventor
Ludovic Francois
Thomas Guerineau
Anne Sophie Mazurais
Olivier Poussin
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.)
Renault SAS
Original Assignee
Renault SAS
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 Renault SAS filed Critical Renault SAS
Priority to FR0509853A priority Critical patent/FR2891305B1/en
Publication of FR2891305A1 publication Critical patent/FR2891305A1/en
Application granted granted Critical
Publication of FR2891305B1 publication Critical patent/FR2891305B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
    • F01N3/025—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles using fuel burner or by adding fuel to exhaust
    • F01N3/0253—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles using fuel burner or by adding fuel to exhaust adding fuel to exhaust gases
    • 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
    • B01F25/10—Mixing by creating a vortex flow, e.g. by tangential introduction of flow components
    • B01F25/104—Mixing by creating a vortex flow, e.g. by tangential introduction of flow components characterised by the arrangement of the discharge opening
    • 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
    • B01F25/313—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit
    • B01F25/3131—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit with additional mixing means other than injector mixers, e.g. screens, baffles or rotating elements
    • 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
    • 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
    • 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
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
    • F01N3/0231—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles using special exhaust apparatus upstream of the filter for producing nitrogen dioxide, e.g. for continuous filter regeneration systems [CRT]
    • 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
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
    • F01N3/035—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with catalytic reactors, e.g. catalysed diesel particulate filters
    • 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
    • F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
    • F01N2450/10—Fitting temporarily exhaust apparatus on exhaust conduit, e.g. in confined environment, garage or the like
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Processes For Solid Components From Exhaust (AREA)
FR0509853A 2005-09-27 2005-09-27 VEHICLE ENGINE EXHAUST LINE COMPRISING A FUEL INJECTOR Active FR2891305B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0509853A FR2891305B1 (en) 2005-09-27 2005-09-27 VEHICLE ENGINE EXHAUST LINE COMPRISING A FUEL INJECTOR

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0509853A FR2891305B1 (en) 2005-09-27 2005-09-27 VEHICLE ENGINE EXHAUST LINE COMPRISING A FUEL INJECTOR

Publications (2)

Publication Number Publication Date
FR2891305A1 FR2891305A1 (en) 2007-03-30
FR2891305B1 true FR2891305B1 (en) 2007-11-23

Family

ID=36121384

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0509853A Active FR2891305B1 (en) 2005-09-27 2005-09-27 VEHICLE ENGINE EXHAUST LINE COMPRISING A FUEL INJECTOR

Country Status (1)

Country Link
FR (1) FR2891305B1 (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2916250B1 (en) * 2007-05-14 2010-08-27 Renault Sas CONNECTING A TURBOCHARGER WITH AN OXIDATION CATALYST OF AN EXHAUST LINE OF AN INTERNAL COMBUSTION ENGINE
FR2920472B1 (en) * 2007-09-04 2010-02-19 Renault Sas THERMAL ENGINE EXHAUST DEVICE.
FR2922593A3 (en) * 2007-10-22 2009-04-24 Renault Sas Exhaust line for e.g. oil engine, of motor vehicle, has injector distributing fuel jet that is oriented so that peripheral portion is intercepted by deflectors and evacuated via main duct, and central portion is evacuated via secondary duct
FR2924751A3 (en) * 2007-12-11 2009-06-12 Renault Sas Aerodynamic air/fuel mix homogenizing mixer for particle filter of vehicle, has two sets of blades formed with holes, where two sets of blades and blade are arranged in exhaust duct to generate turbulent flow of gas stream
EP2075428B1 (en) * 2007-12-25 2011-11-16 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Emission control system
FR2928687B1 (en) 2008-03-12 2013-07-26 Faurecia Sys Echappement EXHAUST LINE WITH REAGENT INJECTOR
EP2148053B1 (en) * 2008-07-25 2014-06-04 Volkswagen Aktiengesellschaft Catalyst assembly for cleaning an exhaust gas flow
FR2936012B1 (en) * 2008-09-16 2010-10-08 Renault Sas MONOBLOC CONNECTION OF TURBOCHARGER ON AN OXIDATION CATALYST AND MOTOR COMPRISING SUCH A CONNECTION.
EP2358982B1 (en) 2008-12-17 2017-11-08 Donaldson Company, Inc. Flow device for an exhaust system
FR2949813B1 (en) * 2009-09-10 2011-10-07 Faurecia Sys Echappement EXHAUST LINE OF A MOTOR VEHICLE WITH A REAGENT INJECTOR
DE102009053950A1 (en) * 2009-11-19 2011-05-26 Man Nutzfahrzeuge Aktiengesellschaft Device for aftertreatment of exhaust gases of internal combustion engines
WO2011087527A1 (en) 2010-01-12 2011-07-21 Donaldson Company, Inc. Flow device for exhaust treatment system
WO2011110885A1 (en) * 2010-03-11 2011-09-15 Renault Trucks Mixing system for an exhaust gas after-treatment arrangement
EP3267005B2 (en) 2010-06-22 2023-12-27 Donaldson Company, Inc. Exhaust aftertreatment device
SE535219C2 (en) * 2010-10-06 2012-05-29 Scania Cv Abp Arrangement for introducing a liquid medium into exhaust gases from an internal combustion engine
FR2966513B1 (en) * 2010-10-20 2013-05-10 Peugeot Citroen Automobiles Sa DEVICE FOR INTRODUCING A FLUID IN AN EXHAUST LINE, ASSEMBLY AND MOTOR VEHICLE COMPRISING SUCH A DEVICE
US8938954B2 (en) 2012-04-19 2015-01-27 Donaldson Company, Inc. Integrated exhaust treatment device having compact configuration
EP2956233B1 (en) 2013-02-15 2016-12-21 Donaldson Company, Inc. Dosing and mixing arrangement for use in exhaust aftertreatment
US9109486B2 (en) 2013-09-19 2015-08-18 Caterpillar Inc. System and method for reductant injection
DE102015110426A1 (en) * 2015-06-29 2016-12-29 Eberspächer Exhaust Technology GmbH & Co. KG Exhaust gas mixing system
US11965450B2 (en) 2022-04-29 2024-04-23 Cnh Industrial America Llc Exhaust treatment systems for work vehicles

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE157901T1 (en) * 1992-02-10 1997-09-15 Man Nutzfahrzeuge Ag DEVICE FOR CATALYTIC NOX REDUCTION
DE4417238C2 (en) * 1994-05-17 2003-03-27 Siemens Ag Device for reducing the nitrogen oxides in the exhaust gas of an internal combustion engine operated with excess air
KR100449784B1 (en) * 1995-06-28 2005-02-24 지멘스 악티엔게젤샤프트 Method and apparatus for catalytic purification of exhaust gases from combustion apparatus
US6928806B2 (en) * 2002-11-21 2005-08-16 Ford Global Technologies, Llc Exhaust gas aftertreatment systems
US6895745B2 (en) * 2003-04-04 2005-05-24 Borgwarner Inc. Secondary combustion for regeneration of catalyst and incineration of deposits in particle trap of vehicle exhaust

Also Published As

Publication number Publication date
FR2891305A1 (en) 2007-03-30

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