FR3048450B1 - CATALYTIC POST-TREATMENT DEVICE OF A MOTOR VEHICLE COMPRISING A DEFLECTOR - Google Patents

CATALYTIC POST-TREATMENT DEVICE OF A MOTOR VEHICLE COMPRISING A DEFLECTOR Download PDF

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Publication number
FR3048450B1
FR3048450B1 FR1651701A FR1651701A FR3048450B1 FR 3048450 B1 FR3048450 B1 FR 3048450B1 FR 1651701 A FR1651701 A FR 1651701A FR 1651701 A FR1651701 A FR 1651701A FR 3048450 B1 FR3048450 B1 FR 3048450B1
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FR
France
Prior art keywords
motor vehicle
treatment device
deflector
internal
deflector element
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
FR1651701A
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French (fr)
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FR3048450A1 (en
Inventor
Etienne De-Malet
Patrick Gallard
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 FR1651701A priority Critical patent/FR3048450B1/en
Publication of FR3048450A1 publication Critical patent/FR3048450A1/en
Application granted granted Critical
Publication of FR3048450B1 publication Critical patent/FR3048450B1/en
Active legal-status Critical Current
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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
    • F01N3/24—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
    • F01N2260/00—Exhaust treating devices having provisions not otherwise provided for
    • F01N2260/10—Exhaust treating devices having provisions not otherwise provided for for avoiding stress caused by expansions or contractions due to temperature variations

Landscapes

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

Abstract

L'invention propose un dispositif de post-traitement (10) de gaz d'échappement de moteur à combustion de véhicule automobile comportant une enceinte délimitée par une paroi tubulaire définissant une chambre tubulaire interne, un élément déflecteur (16) agencé à l'intérieur de l'enceinte, sensiblement au centre de la chambre tubulaire, au moins deux bras (36) de fixation de l'élément déflecteur (16) dont chacun est d'orientation globalement radiale et comporte une extrémité radiale interne (38) fixée à l'élément déflecteur (16) et une extrémité radiale externe (40) fixée à la face interne concave (30) de la paroi tubulaire, caractérisé en ce qu'il comporte au moins un bras de fixation (36) déformable dont la longueur est supérieure à la distance radiale (DR) séparant son extrémité radiale interne (38) de la face interne concave (30) de la paroi tubulaire.The invention provides an after-treatment device (10) for exhaust gases from a combustion engine of a motor vehicle comprising an enclosure delimited by a tubular wall defining an internal tubular chamber, a deflector element (16) arranged inside. of the enclosure, substantially in the center of the tubular chamber, at least two arms (36) for fixing the deflector element (16) each of which is of generally radial orientation and has an internal radial end (38) fixed to the deflector element (16) and an external radial end (40) fixed to the concave internal face (30) of the tubular wall, characterized in that it comprises at least one deformable fixing arm (36) whose length is greater at the radial distance (DR) separating its internal radial end (38) from the concave internal face (30) of the tubular wall.

FR1651701A 2016-03-01 2016-03-01 CATALYTIC POST-TREATMENT DEVICE OF A MOTOR VEHICLE COMPRISING A DEFLECTOR Active FR3048450B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1651701A FR3048450B1 (en) 2016-03-01 2016-03-01 CATALYTIC POST-TREATMENT DEVICE OF A MOTOR VEHICLE COMPRISING A DEFLECTOR

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1651701A FR3048450B1 (en) 2016-03-01 2016-03-01 CATALYTIC POST-TREATMENT DEVICE OF A MOTOR VEHICLE COMPRISING A DEFLECTOR
FR1651701 2016-03-01

Publications (2)

Publication Number Publication Date
FR3048450A1 FR3048450A1 (en) 2017-09-08
FR3048450B1 true FR3048450B1 (en) 2020-01-10

Family

ID=55759841

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1651701A Active FR3048450B1 (en) 2016-03-01 2016-03-01 CATALYTIC POST-TREATMENT DEVICE OF A MOTOR VEHICLE COMPRISING A DEFLECTOR

Country Status (1)

Country Link
FR (1) FR3048450B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3104637B1 (en) 2019-12-17 2022-11-18 Renault Sas AUTOMOTIVE COMBUSTION ENGINE EXHAUST GAS POST-TREATMENT DEVICE

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070144158A1 (en) * 2005-12-22 2007-06-28 Girard James W Exhaust dispersion device
FI20105451A0 (en) * 2010-04-26 2010-04-26 Waertsilae Finland Oy Arrangement and method for mixing a reducing agent with exhaust gas
US8826649B2 (en) * 2011-10-18 2014-09-09 GM Global Technology Operations LLC Assembly for mixing liquid within gas flow

Also Published As

Publication number Publication date
FR3048450A1 (en) 2017-09-08

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