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FR3111826B1 - Dispositif de mélange d’un agent réducteur avec un gaz d’échappement, notamment pour une ligne d’échappement de moteur thermique - Google Patents

Dispositif de mélange d’un agent réducteur avec un gaz d’échappement, notamment pour une ligne d’échappement de moteur thermique Download PDF

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Publication number
FR3111826B1
FR3111826B1 FR2006865A FR2006865A FR3111826B1 FR 3111826 B1 FR3111826 B1 FR 3111826B1 FR 2006865 A FR2006865 A FR 2006865A FR 2006865 A FR2006865 A FR 2006865A FR 3111826 B1 FR3111826 B1 FR 3111826B1
Authority
FR
France
Prior art keywords
mixing
exhaust gas
reducing agent
combustion engine
opening
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
FR2006865A
Other languages
English (en)
Other versions
FR3111826A1 (fr
Inventor
Christophe Viault
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.)
Faurecia Systemes dEchappement SAS
Original Assignee
Faurecia Systemes dEchappement 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 Faurecia Systemes dEchappement SAS filed Critical Faurecia Systemes dEchappement SAS
Priority to FR2006865A priority Critical patent/FR3111826B1/fr
Priority to CN202121476434.0U priority patent/CN215369992U/zh
Publication of FR3111826A1 publication Critical patent/FR3111826A1/fr
Application granted granted Critical
Publication of FR3111826B1 publication Critical patent/FR3111826B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • 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
    • 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
    • F01N2490/00—Structure, disposition or shape of gas-chambers
    • F01N2490/16—Chambers with particular shapes, e.g. spherical
    • 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
    • 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 After Treatment (AREA)

Abstract

Dispositif de mélange d’un agent réducteur avec un gaz d’échappement, notamment pour une ligne d’échappement de moteur thermique Le dispositif (10) de mélange comporte un boîtier (12) délimitant une chambre de mélange (14), le boîtier (12) s’étendant dans une direction longitudinale entre une ouverture (16) d’arrivée de gaz d’échappement et une ouverture (18) de sortie de gaz d’échappement, et au moins un dispositif (22) d’injection d’agent réducteur dans la chambre de mélange (14). Le dispositif de mélange (10) comporte une conduite (20) d’arrivée de gaz d’échappement, présentant une embouchure (24) débouchant dans la chambre de mélange (14) dans une direction débouchante (A) ayant une composante radiale. Figure pour l'abrégé : Figure 1
FR2006865A 2020-06-30 2020-06-30 Dispositif de mélange d’un agent réducteur avec un gaz d’échappement, notamment pour une ligne d’échappement de moteur thermique Expired - Fee Related FR3111826B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR2006865A FR3111826B1 (fr) 2020-06-30 2020-06-30 Dispositif de mélange d’un agent réducteur avec un gaz d’échappement, notamment pour une ligne d’échappement de moteur thermique
CN202121476434.0U CN215369992U (zh) 2020-06-30 2021-06-30 混合还原剂与排放气体的混合装置及热力发动机排气管线

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2006865A FR3111826B1 (fr) 2020-06-30 2020-06-30 Dispositif de mélange d’un agent réducteur avec un gaz d’échappement, notamment pour une ligne d’échappement de moteur thermique
FR2006865 2020-06-30

Publications (2)

Publication Number Publication Date
FR3111826A1 FR3111826A1 (fr) 2021-12-31
FR3111826B1 true FR3111826B1 (fr) 2022-09-02

Family

ID=72709571

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2006865A Expired - Fee Related FR3111826B1 (fr) 2020-06-30 2020-06-30 Dispositif de mélange d’un agent réducteur avec un gaz d’échappement, notamment pour une ligne d’échappement de moteur thermique

Country Status (2)

Country Link
CN (1) CN215369992U (fr)
FR (1) FR3111826B1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2914353A1 (fr) * 2007-03-26 2008-10-03 Renault Sas Ligne d'echappement de moteur a combustion interne pourvue de moyens de reduction d'oxydes d'azote
WO2011110885A1 (fr) * 2010-03-11 2011-09-15 Renault Trucks Système de mélange pour un agencement post-traitement de gaz d'échappement
DE102011077156B4 (de) * 2011-06-07 2015-12-17 Robert Bosch Gmbh Abgasanlage und Injektionsmodul
FR3010137B1 (fr) * 2013-08-30 2016-08-26 Faurecia Systemes D'echappement Dispositif de purification de gaz d'echappement de moteur a combustion interne
DE102015110319A1 (de) * 2015-04-21 2016-10-27 Friedrich Boysen Gmbh & Co. Kg Vorrichtung zum Einbringen eines Fluids in einen Gasstrom

Also Published As

Publication number Publication date
CN215369992U (zh) 2021-12-31
FR3111826A1 (fr) 2021-12-31

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