FR3128487B1 - AIR INJECTION DEVICE FOR EXHAUST - Google Patents

AIR INJECTION DEVICE FOR EXHAUST Download PDF

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Publication number
FR3128487B1
FR3128487B1 FR2111178A FR2111178A FR3128487B1 FR 3128487 B1 FR3128487 B1 FR 3128487B1 FR 2111178 A FR2111178 A FR 2111178A FR 2111178 A FR2111178 A FR 2111178A FR 3128487 B1 FR3128487 B1 FR 3128487B1
Authority
FR
France
Prior art keywords
injection device
air injection
exhaust
air
annular
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
FR2111178A
Other languages
French (fr)
Other versions
FR3128487A1 (en
Inventor
Jean Olivier Guelon
Frederic Goacolou
Frederic Masse
Philippe Souhaite
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.)
Stellantis Auto Sas Fr
Original Assignee
PSA Automobiles SA
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 PSA Automobiles SA filed Critical PSA Automobiles SA
Priority to FR2111178A priority Critical patent/FR3128487B1/en
Publication of FR3128487A1 publication Critical patent/FR3128487A1/en
Application granted granted Critical
Publication of FR3128487B1 publication Critical patent/FR3128487B1/en
Active 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
    • F01N3/2006—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating
    • F01N3/2013—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating using electric or magnetic heating means
    • 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
    • F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
    • 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
    • F01N3/22—Control of additional air supply only, e.g. using by-passes or variable air pump drives
    • 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
    • F01N3/30—Arrangements for supply of additional air
    • 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
    • F01N2240/16—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 an electric heater, i.e. a resistance heater

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

L’invention concerne un dispositif d’injection d’air caractérisé en ce qu’il comprend un conduit annulaire (8) creux comportant une entrée (9) d’air dans le conduit annulaire (8), cette entrée (9) d’air étant disposée sur la surface externe (7b) longitudinale du conduit annulaire (8), deux sorties d’air (7c) aménagée en vis-à-vis sur la surface interne (7a) longitudinale du conduit annulaire (8). Figure 2The invention relates to an air injection device characterized in that it comprises a hollow annular conduit (8) comprising an air inlet (9) in the annular conduit (8), this inlet (9) of air being arranged on the external longitudinal surface (7b) of the annular duct (8), two air outlets (7c) arranged opposite each other on the internal longitudinal surface (7a) of the annular duct (8). Figure 2

FR2111178A 2021-10-21 2021-10-21 AIR INJECTION DEVICE FOR EXHAUST Active FR3128487B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR2111178A FR3128487B1 (en) 2021-10-21 2021-10-21 AIR INJECTION DEVICE FOR EXHAUST

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2111178A FR3128487B1 (en) 2021-10-21 2021-10-21 AIR INJECTION DEVICE FOR EXHAUST
FR2111178 2021-10-21

Publications (2)

Publication Number Publication Date
FR3128487A1 FR3128487A1 (en) 2023-04-28
FR3128487B1 true FR3128487B1 (en) 2023-09-08

Family

ID=79170998

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2111178A Active FR3128487B1 (en) 2021-10-21 2021-10-21 AIR INJECTION DEVICE FOR EXHAUST

Country Status (1)

Country Link
FR (1) FR3128487B1 (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4241494A1 (en) 1992-12-09 1994-06-16 Emitec Emissionstechnologie Process for controlling the heating of an electrically heatable catalytic converter
DE19503748A1 (en) * 1995-02-04 1996-06-20 Daimler Benz Ag IC engine with turbocharger in exhaust pipe
DE19741199C2 (en) * 1997-09-18 2000-10-26 Siemens Ag Static mixer
JP3714559B1 (en) * 2004-11-05 2005-11-09 日産ディーゼル工業株式会社 Exhaust purification device
FR3037102B1 (en) * 2015-06-02 2019-11-22 Psa Automobiles Sa. TURBOCOMPRESSED ENGINE ASSEMBLY WITH TWO EXHAUST DUCTS AND CONTROL VALVE
FR3068388B1 (en) 2017-06-29 2021-11-05 Valeo Systemes De Controle Moteur PARTICULATE FILTER REGENERATION SYSTEM WITH ELECTRIC AIR PUMP
CN109252933A (en) * 2018-11-29 2019-01-22 广州瑞南博建环保科技有限公司 A kind of aeration type air injection valve
FR3107304B1 (en) * 2020-02-18 2022-02-11 Renault Sas CATALYTIC DEVICE FOR TREATMENT OF EXHAUST GAS FROM AN INTERNAL COMBUSTION ENGINE

Also Published As

Publication number Publication date
FR3128487A1 (en) 2023-04-28

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Year of fee payment: 2

PLSC Publication of the preliminary search report

Effective date: 20230428

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Year of fee payment: 3

CD Change of name or company name

Owner name: STELLANTIS AUTO SAS, FR

Effective date: 20240423