FR3095473B1 - Exhaust gas treatment device and retaining element for such a device - Google Patents

Exhaust gas treatment device and retaining element for such a device Download PDF

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Publication number
FR3095473B1
FR3095473B1 FR1904499A FR1904499A FR3095473B1 FR 3095473 B1 FR3095473 B1 FR 3095473B1 FR 1904499 A FR1904499 A FR 1904499A FR 1904499 A FR1904499 A FR 1904499A FR 3095473 B1 FR3095473 B1 FR 3095473B1
Authority
FR
France
Prior art keywords
exhaust gas
gas treatment
treatment device
functional element
axis
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
FR1904499A
Other languages
French (fr)
Other versions
FR3095473A1 (en
Inventor
Catherine Guyard
Thomas Brenckle
Jean-François Perret
Stéphane Olivier
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 FR1904499A priority Critical patent/FR3095473B1/en
Priority to PCT/EP2020/061758 priority patent/WO2020221746A1/en
Publication of FR3095473A1 publication Critical patent/FR3095473A1/en
Application granted granted Critical
Publication of FR3095473B1 publication Critical patent/FR3095473B1/en
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
    • F01N3/24—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
    • F01N3/2839—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration
    • F01N3/2853—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration using mats or gaskets between catalyst body and housing
    • F01N3/2864—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration using mats or gaskets between catalyst body and housing the mats or gaskets comprising two or more insulation layers
    • 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
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1861—Construction facilitating manufacture, assembly, or disassembly the assembly using parts formed by casting or moulding

Landscapes

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

Abstract

Dispositif de traitement des gaz d’échappement et élément de maintien pour un tel dispositif Dispositif de traitement des gaz d’échappement comprenant un élément fonctionnel (2) sensiblement cylindrique autour d’un axe (A), un logement (3) enveloppant l’élément fonctionnel (2) et connecté à une canalisation d’entrée (4) par une de ses extrémités selon l’axe (A) et à une canalisation de sortie (5) par l’autre de ses extrémités selon l’axe (A), et un élément de maintien (6) intercalé entre l’élément fonctionnel (2) et le logement (3), caractérisé en ce que ledit élément de maintien (6) comprend au moins deux matelas : un premier matelas (7) assurant l’isolation thermique et un deuxième matelas (8) assurant l’isolation thermique, l’immobilisation de l’élément fonctionnel (2), l’absorption des chocs et vibrations mécaniques et l’étanchéité aux gaz au niveau des canalisations d’entrée (4) et de sortie (5). Figure pour l'abrégé : Figure 2Exhaust gas treatment device and holding element for such a device Exhaust gas treatment device comprising a functional element (2) substantially cylindrical about an axis (A), a housing (3) surrounding the functional element (2) and connected to an inlet pipe (4) by one of its ends along the axis (A) and to an outlet pipe (5) by the other of its ends along the axis (A ), and a support element (6) interposed between the functional element (2) and the housing (3), characterized in that said support element (6) comprises at least two mattresses: a first mattress (7) providing thermal insulation and a second mattress (8) providing thermal insulation, immobilization of the functional element (2), absorption of mechanical shocks and vibrations and gas tightness at the inlet pipes (4) and output (5). Figure for abstract: Figure 2

FR1904499A 2019-04-29 2019-04-29 Exhaust gas treatment device and retaining element for such a device Expired - Fee Related FR3095473B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR1904499A FR3095473B1 (en) 2019-04-29 2019-04-29 Exhaust gas treatment device and retaining element for such a device
PCT/EP2020/061758 WO2020221746A1 (en) 2019-04-29 2020-04-28 Exhaust gas treatment device and holding element for such a device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1904499A FR3095473B1 (en) 2019-04-29 2019-04-29 Exhaust gas treatment device and retaining element for such a device
FR1904499 2019-04-29

Publications (2)

Publication Number Publication Date
FR3095473A1 FR3095473A1 (en) 2020-10-30
FR3095473B1 true FR3095473B1 (en) 2021-06-18

Family

ID=67514918

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1904499A Expired - Fee Related FR3095473B1 (en) 2019-04-29 2019-04-29 Exhaust gas treatment device and retaining element for such a device

Country Status (2)

Country Link
FR (1) FR3095473B1 (en)
WO (1) WO2020221746A1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5449500A (en) * 1994-07-14 1995-09-12 Acs Industries, Inc. Barrier strip for a support mat in a catalytic converter
JP3919034B2 (en) * 1997-04-10 2007-05-23 三菱化学株式会社 Inorganic fiber molded body and catalytic converter
JP5077659B2 (en) * 2007-07-20 2012-11-21 ニチアス株式会社 Catalytic converter and holding material for catalytic converter
CN102575542B (en) * 2009-08-14 2014-09-10 尤尼弗瑞克斯I有限责任公司 Mounting mat for exhaust gas treatment device
US9650935B2 (en) * 2009-12-01 2017-05-16 Saffil Automotive Limited Mounting mat

Also Published As

Publication number Publication date
FR3095473A1 (en) 2020-10-30
WO2020221746A1 (en) 2020-11-05

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