FR3110633B1 - Liquid injection device and exhaust line comprising such a device - Google Patents

Liquid injection device and exhaust line comprising such a device Download PDF

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Publication number
FR3110633B1
FR3110633B1 FR2005080A FR2005080A FR3110633B1 FR 3110633 B1 FR3110633 B1 FR 3110633B1 FR 2005080 A FR2005080 A FR 2005080A FR 2005080 A FR2005080 A FR 2005080A FR 3110633 B1 FR3110633 B1 FR 3110633B1
Authority
FR
France
Prior art keywords
blades
exhaust line
liquid injection
injection device
openings
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
FR2005080A
Other languages
French (fr)
Other versions
FR3110633A1 (en
Inventor
Frédéric Greber
Morgane Guldner
Yannick Fourcaudot
Bertrand Texier
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 FR2005080A priority Critical patent/FR3110633B1/en
Publication of FR3110633A1 publication Critical patent/FR3110633A1/en
Application granted granted Critical
Publication of FR3110633B1 publication Critical patent/FR3110633B1/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
    • F01N3/18—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
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
    • 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
    • F01N2610/14—Arrangements for the supply of substances, e.g. conduits
    • F01N2610/1453—Sprayers or atomisers; Arrangement thereof in the exhaust apparatus
    • 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 d’injection de liquide et ligne d’échappement comprenant un tel dispositif Le dispositif d’injection (7) comprend au moins un impacteur (87) ayant : * un ensemble de plusieurs premières lames (89), séparées les unes des autres par des premières ouvertures (91); * un ensemble de plusieurs secondes lames (93), séparées les unes des autres par des secondes ouvertures (95), les secondes lames (93) étant décalées vers l’arrière par rapport aux premières lames (89) suivant la direction d’injection; les faces frontales (97, 99) des première et seconde lames (89, 93) ensembles interceptent directement au moins 75% du jet de liquide. Figure pour abrégé : 9Liquid injection device and exhaust line comprising such a device The injection device (7) comprises at least one impactor (87) having: * a set of several first blades (89), separated from each other by first openings (91); * a set of several second blades (93), separated from each other by second openings (95), the second blades (93) being offset rearward relative to the first blades (89) in the direction of injection ; the front faces (97, 99) of the first and second blades (89, 93) together directly intercept at least 75% of the liquid jet. Figure for abstract: 9

FR2005080A 2020-05-19 2020-05-19 Liquid injection device and exhaust line comprising such a device Expired - Fee Related FR3110633B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR2005080A FR3110633B1 (en) 2020-05-19 2020-05-19 Liquid injection device and exhaust line comprising such a device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2005080 2020-05-19
FR2005080A FR3110633B1 (en) 2020-05-19 2020-05-19 Liquid injection device and exhaust line comprising such a device

Publications (2)

Publication Number Publication Date
FR3110633A1 FR3110633A1 (en) 2021-11-26
FR3110633B1 true FR3110633B1 (en) 2022-05-13

Family

ID=71895009

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2005080A Expired - Fee Related FR3110633B1 (en) 2020-05-19 2020-05-19 Liquid injection device and exhaust line comprising such a device

Country Status (1)

Country Link
FR (1) FR3110633B1 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2614094A (en) 1946-11-14 1952-10-14 Goodrich Co B F Plasticized vinyl resin compositions and method of preparing the same
FR1454149A (en) 1965-11-05 1966-07-22 Small scale slide rule with a high degree of approximation
AT298387B (en) 1967-03-02 1972-04-15 Zimmer P STENCIL STATION FOR ROTARY STENCIL PRINTING MACHINES
DE102012016423B3 (en) * 2012-08-21 2014-02-27 Eberspächer Exhaust Technology GmbH & Co. KG Exhaust system with mixing and or evaporation device
US9534525B2 (en) * 2015-05-27 2017-01-03 Tenneco Automotive Operating Company Inc. Mixer assembly for exhaust aftertreatment system
FR3041691B1 (en) * 2015-09-29 2017-12-01 Faurecia Systemes D'echappement EXHAUST LINE WITH REAGENT INJECTOR

Also Published As

Publication number Publication date
FR3110633A1 (en) 2021-11-26

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