FR3111945B1 - Mélangeur de réducteur pour gaz d’échappement - Google Patents

Mélangeur de réducteur pour gaz d’échappement Download PDF

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Publication number
FR3111945B1
FR3111945B1 FR2006680A FR2006680A FR3111945B1 FR 3111945 B1 FR3111945 B1 FR 3111945B1 FR 2006680 A FR2006680 A FR 2006680A FR 2006680 A FR2006680 A FR 2006680A FR 3111945 B1 FR3111945 B1 FR 3111945B1
Authority
FR
France
Prior art keywords
mixer
exhaust gas
box
orifice
chamber
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
FR2006680A
Other languages
English (en)
Other versions
FR3111945A1 (fr
Inventor
Laurent Poinsot
Eduardo Alano
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 FR2006680A priority Critical patent/FR3111945B1/fr
Priority to CN202121433755.2U priority patent/CN216617626U/zh
Publication of FR3111945A1 publication Critical patent/FR3111945A1/fr
Application granted granted Critical
Publication of FR3111945B1 publication Critical patent/FR3111945B1/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]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • 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
    • 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
    • F01N2490/02—Two or more expansion chambers in series connected by means of tubes
    • 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
    • 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)
  • 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

Mélangeur de réducteur pour gaz d’échappement Mélangeur (1) pour mélanger un gaz d’échappement et un réducteur, comprenant une boîte (2) et un pulvérisateur (3) de réducteur, où un orifice d’entrée (4) et un orifice de pulvérisation (6) sont disposés à deux extrémités opposées de la boîte (2), sensiblement alignés selon un premier axe (X) et le mélangeur (1) comprend encore une première paroi interne (7) à la boîte (2) et une conduite (8) comprenant un coude (12), la première paroi interne (7) partageant la boîte (2) en une première chambre (10) comportant l’orifice d’entrée (4) et l’orifice de pulvérisation (6) et une deuxième chambre (11) comportant au moins un orifice de sortie (5), et la conduite (8) étant disposée dans la première chambre (10), ayant sa première extrémité traversant, de manière étanche, la première paroi interne (7) au niveau d’un orifice interne (9) et ayant sa deuxième extrémité libre en regard de l’orifice de pulvérisation (6). Figure pour l'abrégé : Figure 2
FR2006680A 2020-06-25 2020-06-25 Mélangeur de réducteur pour gaz d’échappement Expired - Fee Related FR3111945B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR2006680A FR3111945B1 (fr) 2020-06-25 2020-06-25 Mélangeur de réducteur pour gaz d’échappement
CN202121433755.2U CN216617626U (zh) 2020-06-25 2021-06-25 用于混合排放气体和还原剂的混合器及排气管线

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2006680 2020-06-25
FR2006680A FR3111945B1 (fr) 2020-06-25 2020-06-25 Mélangeur de réducteur pour gaz d’échappement

Publications (2)

Publication Number Publication Date
FR3111945A1 FR3111945A1 (fr) 2021-12-31
FR3111945B1 true FR3111945B1 (fr) 2022-07-08

Family

ID=76270136

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2006680A Expired - Fee Related FR3111945B1 (fr) 2020-06-25 2020-06-25 Mélangeur de réducteur pour gaz d’échappement

Country Status (2)

Country Link
CN (1) CN216617626U (fr)
FR (1) FR3111945B1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109414661B (zh) 2017-06-06 2022-04-05 康明斯排放处理公司 在后处理系统混合排气和还原剂的系统和方法
WO2020009694A1 (fr) 2018-07-03 2020-01-09 Cummins Emission Solutions Inc. Réacteur de décomposition de mélange de corps
US11828214B2 (en) 2020-05-08 2023-11-28 Cummins Emission Solutions Inc. Configurable aftertreatment systems including a housing

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101251518B1 (ko) * 2010-12-09 2013-04-05 기아자동차주식회사 차량의 배기가스 후처리 시스템용 도징 모듈
WO2018149509A1 (fr) * 2017-02-20 2018-08-23 Volvo Penta Corporation Boîte de mélange, son utilisation et procédé de mélange
CN107131031B (zh) * 2017-06-29 2023-01-24 杭州银轮科技有限公司 端进筒式scr封装进气端总成

Also Published As

Publication number Publication date
CN216617626U (zh) 2022-05-27
FR3111945A1 (fr) 2021-12-31

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Year of fee payment: 2

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Effective date: 20211231

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