FR2906300B1 - EXHAUST CONDUIT COMPRISING MEANS FOR INJECTING A REDUCING AGENT AND MEANS FOR HEATING TO EVAPORATE THE LIQUID REDUCING AGENT - Google Patents

EXHAUST CONDUIT COMPRISING MEANS FOR INJECTING A REDUCING AGENT AND MEANS FOR HEATING TO EVAPORATE THE LIQUID REDUCING AGENT

Info

Publication number
FR2906300B1
FR2906300B1 FR0653862A FR0653862A FR2906300B1 FR 2906300 B1 FR2906300 B1 FR 2906300B1 FR 0653862 A FR0653862 A FR 0653862A FR 0653862 A FR0653862 A FR 0653862A FR 2906300 B1 FR2906300 B1 FR 2906300B1
Authority
FR
France
Prior art keywords
reducing agent
evaporate
injecting
heating
exhaust conduit
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
FR0653862A
Other languages
French (fr)
Other versions
FR2906300A1 (en
Inventor
Waldemar Zawisza
Jerome Estienne
Jean Paul Hardy
Samuel Guillat
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 FR0653862A priority Critical patent/FR2906300B1/en
Publication of FR2906300A1 publication Critical patent/FR2906300A1/en
Application granted granted Critical
Publication of FR2906300B1 publication Critical patent/FR2906300B1/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
    • 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
    • F01N3/36—Arrangements for supply of additional 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
    • 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
    • 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
    • F01N2610/10—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
    • 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)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
FR0653862A 2006-09-21 2006-09-21 EXHAUST CONDUIT COMPRISING MEANS FOR INJECTING A REDUCING AGENT AND MEANS FOR HEATING TO EVAPORATE THE LIQUID REDUCING AGENT Active FR2906300B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0653862A FR2906300B1 (en) 2006-09-21 2006-09-21 EXHAUST CONDUIT COMPRISING MEANS FOR INJECTING A REDUCING AGENT AND MEANS FOR HEATING TO EVAPORATE THE LIQUID REDUCING AGENT

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0653862A FR2906300B1 (en) 2006-09-21 2006-09-21 EXHAUST CONDUIT COMPRISING MEANS FOR INJECTING A REDUCING AGENT AND MEANS FOR HEATING TO EVAPORATE THE LIQUID REDUCING AGENT

Publications (2)

Publication Number Publication Date
FR2906300A1 FR2906300A1 (en) 2008-03-28
FR2906300B1 true FR2906300B1 (en) 2011-12-16

Family

ID=37806714

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0653862A Active FR2906300B1 (en) 2006-09-21 2006-09-21 EXHAUST CONDUIT COMPRISING MEANS FOR INJECTING A REDUCING AGENT AND MEANS FOR HEATING TO EVAPORATE THE LIQUID REDUCING AGENT

Country Status (1)

Country Link
FR (1) FR2906300B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008001212A1 (en) * 2008-04-16 2009-10-22 Robert Bosch Gmbh Device for feeding a reagent into an exhaust pipe of an exhaust system of a motor vehicle
US11549422B1 (en) 2021-12-06 2023-01-10 Tenneco Automotive Operating Company Inc. Exhaust system for a combustion engine including a flow distributor

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2731746B1 (en) * 1995-03-17 1997-04-11 Renault EXHAUST DEVICE FOR A COMBUSTION ENGINE
DE19806265C5 (en) * 1998-02-16 2004-07-22 Siemens Ag dosing
DE10131803A1 (en) * 2001-06-30 2003-05-28 Bosch Gmbh Robert Mixing device for an exhaust gas cleaning system
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
US7021047B2 (en) * 2004-07-23 2006-04-04 General Motors Corporation Diesel exhaust aftertreatment device regeneration system

Also Published As

Publication number Publication date
FR2906300A1 (en) 2008-03-28

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