FR3020765B1 - Injecteur de reducteur d'oxydes d'azote a decomposition amelioree du reducteur - Google Patents

Injecteur de reducteur d'oxydes d'azote a decomposition amelioree du reducteur Download PDF

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Publication number
FR3020765B1
FR3020765B1 FR1454101A FR1454101A FR3020765B1 FR 3020765 B1 FR3020765 B1 FR 3020765B1 FR 1454101 A FR1454101 A FR 1454101A FR 1454101 A FR1454101 A FR 1454101A FR 3020765 B1 FR3020765 B1 FR 3020765B1
Authority
FR
France
Prior art keywords
reducer
nitrogen oxide
injector
decomposition
improved
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.)
Expired - Fee Related
Application number
FR1454101A
Other languages
English (en)
Other versions
FR3020765A1 (fr
Inventor
Gabriel Crehan
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.)
PSA Automobiles SA
Original Assignee
Psa Automobiles Sa
Peugeot Citroen Automobiles SA
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 Psa Automobiles Sa, Peugeot Citroen Automobiles SA filed Critical Psa Automobiles Sa
Priority to FR1454101A priority Critical patent/FR3020765B1/fr
Publication of FR3020765A1 publication Critical patent/FR3020765A1/fr
Application granted granted Critical
Publication of FR3020765B1 publication Critical patent/FR3020765B1/fr
Expired - Fee Related 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
    • F01N3/08—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
    • 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
    • F01N2240/40—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 hydrolysis catalyst
    • 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
    • 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
    • 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
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Catalysts (AREA)

Abstract

L'invention concerne un procédé de réalisation d'un injecteur d'agent réducteur d'oxydes d'azote (20) de ligne d'échappement de véhicule automobile, comprenant une étape consistant à former en dehors du corps d'injecteur (20) un objet solide (27) incluant un agent catalyseur de décomposition de l'agent réducteur d'oxydes d'azote et une étape postérieure à l'étape de formation de l'objet solide (27) laquelle étape postérieure consiste à placer l'objet solide (27) dans le corps d'injecteur (20).
FR1454101A 2014-05-06 2014-05-06 Injecteur de reducteur d'oxydes d'azote a decomposition amelioree du reducteur Expired - Fee Related FR3020765B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1454101A FR3020765B1 (fr) 2014-05-06 2014-05-06 Injecteur de reducteur d'oxydes d'azote a decomposition amelioree du reducteur

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1454101 2014-05-06
FR1454101A FR3020765B1 (fr) 2014-05-06 2014-05-06 Injecteur de reducteur d'oxydes d'azote a decomposition amelioree du reducteur

Publications (2)

Publication Number Publication Date
FR3020765A1 FR3020765A1 (fr) 2015-11-13
FR3020765B1 true FR3020765B1 (fr) 2020-02-07

Family

ID=51982646

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1454101A Expired - Fee Related FR3020765B1 (fr) 2014-05-06 2014-05-06 Injecteur de reducteur d'oxydes d'azote a decomposition amelioree du reducteur

Country Status (1)

Country Link
FR (1) FR3020765B1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2173437T3 (es) * 1996-04-02 2002-10-16 Kleenair Systems Inc Inyeccion de amoniaco para la reduccion de las emisiones de nox.
JP2005105970A (ja) * 2003-09-30 2005-04-21 Nissan Diesel Motor Co Ltd エンジンの排気浄化装置
DE102008001101A1 (de) * 2008-04-10 2009-10-15 Robert Bosch Gmbh Vorrichtung und Verfahren zur Nachbehandlung von Abgas einer Brennkraftmaschine
US8038952B2 (en) * 2008-08-28 2011-10-18 General Electric Company Surface treatments and coatings for flash atomization
DE102008048426A1 (de) * 2008-09-23 2010-04-01 Man Nutzfahrzeuge Aktiengesellschaft Dosiervorrichtung zur Zudosierung eines Reduktionsmittels, insbesondere für eine selektive katalytische Reduktion, in einen Abgasstrom einer Brennkraftmaschine
WO2012104205A1 (fr) * 2011-02-04 2012-08-09 Paul Scherrer Institut Générateur d'ammoniac permettant de convertir des solutions précurseur d'ammoniac liquide en ammoniac gazeux pour applications denox par réduction catalytique sélective d'oxydes d'azote

Also Published As

Publication number Publication date
FR3020765A1 (fr) 2015-11-13

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