WO2009138668A3 - Element d'echappement comportant un moyen statique pour melanger un additif a des gaz d'echappement. - Google Patents

Element d'echappement comportant un moyen statique pour melanger un additif a des gaz d'echappement. Download PDF

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Publication number
WO2009138668A3
WO2009138668A3 PCT/FR2009/050755 FR2009050755W WO2009138668A3 WO 2009138668 A3 WO2009138668 A3 WO 2009138668A3 FR 2009050755 W FR2009050755 W FR 2009050755W WO 2009138668 A3 WO2009138668 A3 WO 2009138668A3
Authority
WO
WIPO (PCT)
Prior art keywords
exhaust
additive
mixing
gases
static means
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.)
Ceased
Application number
PCT/FR2009/050755
Other languages
English (en)
Other versions
WO2009138668A2 (fr
Inventor
Cédric Collinot
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 US12/989,769 priority Critical patent/US20110036082A1/en
Priority to DE112009001055T priority patent/DE112009001055T5/de
Publication of WO2009138668A2 publication Critical patent/WO2009138668A2/fr
Publication of WO2009138668A3 publication Critical patent/WO2009138668A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • F01N3/2892—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
    • 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
    • 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
    • B01F25/40—Static mixers
    • 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
    • B01F25/40—Static mixers
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/431—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor
    • B01F25/4314—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor with helical baffles
    • 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
    • B01F25/40—Static mixers
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/431—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor
    • B01F25/43197—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor characterised by the mounting of the baffles or obstructions
    • B01F25/431974—Support members, e.g. tubular collars, with projecting baffles fitted inside the mixing tube or adjacent to the inner wall
    • 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
    • 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

Landscapes

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

Abstract

L'invention concerne un élément d'échappement (4) que comporte une ligne d'échappement des gaz d'un véhicule automobile à moteur thermique et à l'intérieur duquel s'écoule un fluide constitué par des gaz d'échappement ainsi que par un additif à ces gaz, cet élément d'échappement (4) comportant, monté intérieurement, un moyen (6) statique pour mélanger cet additif à ces gaz d'échappement. Le moyen (6) statique pour mélanger l'additif aux gaz d'échappement comporte au moins une hélicoide (61) présentant un axe s 'étendant dans une direction formant un angle déterminé avec la direction (D) d'écoulement du fluide dans cet élément d'échappement (4).
PCT/FR2009/050755 2008-04-29 2009-04-23 Element d'echappement comportant un moyen statique pour melanger un additif a des gaz d'echappement. Ceased WO2009138668A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US12/989,769 US20110036082A1 (en) 2008-04-29 2009-04-23 Exhaust element comprising a static means for mixing an additive into the exhaust gases
DE112009001055T DE112009001055T5 (de) 2008-04-29 2009-04-23 Abgaselement, ein statisches Mittel zum Beimischen eines Zusatzes zu Abgasen umfassend

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0852893 2008-04-29
FR0852893A FR2930594B1 (fr) 2008-04-29 2008-04-29 Element d'echappement comportant un moyen statique pour melanger un additif a des gaz d'echappement

Publications (2)

Publication Number Publication Date
WO2009138668A2 WO2009138668A2 (fr) 2009-11-19
WO2009138668A3 true WO2009138668A3 (fr) 2010-01-14

Family

ID=40091809

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FR2009/050755 Ceased WO2009138668A2 (fr) 2008-04-29 2009-04-23 Element d'echappement comportant un moyen statique pour melanger un additif a des gaz d'echappement.

Country Status (5)

Country Link
US (1) US20110036082A1 (fr)
KR (1) KR20110009685A (fr)
DE (1) DE112009001055T5 (fr)
FR (1) FR2930594B1 (fr)
WO (1) WO2009138668A2 (fr)

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Also Published As

Publication number Publication date
FR2930594A1 (fr) 2009-10-30
FR2930594B1 (fr) 2013-04-26
WO2009138668A2 (fr) 2009-11-19
US20110036082A1 (en) 2011-02-17
KR20110009685A (ko) 2011-01-28
DE112009001055T5 (de) 2011-07-14

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