[go: up one dir, main page]

WO2015092180A3 - Système d'échappement d'un moteur à combustion interne et procédé de chauffage d'un catalyseur scr - Google Patents

Système d'échappement d'un moteur à combustion interne et procédé de chauffage d'un catalyseur scr Download PDF

Info

Publication number
WO2015092180A3
WO2015092180A3 PCT/FR2014/052918 FR2014052918W WO2015092180A3 WO 2015092180 A3 WO2015092180 A3 WO 2015092180A3 FR 2014052918 W FR2014052918 W FR 2014052918W WO 2015092180 A3 WO2015092180 A3 WO 2015092180A3
Authority
WO
WIPO (PCT)
Prior art keywords
engine
internal combustion
combustion engine
heating
exhaust system
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/FR2014/052918
Other languages
English (en)
Other versions
WO2015092180A2 (fr
Inventor
Manuela Hennequin
Thierry COUTURIER
Laurence HOUZE
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.)
Renault SA
Original Assignee
Renault 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 Renault SA filed Critical Renault SA
Publication of WO2015092180A2 publication Critical patent/WO2015092180A2/fr
Publication of WO2015092180A3 publication Critical patent/WO2015092180A3/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
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features having two or more separate purifying devices arranged in series
    • F01N13/0093—Exhaust or silencing apparatus characterised by constructional features having two or more separate purifying devices arranged in series the purifying devices are of the same type
    • 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
    • F01N3/105—General auxiliary catalysts, e.g. upstream or downstream of the main catalyst
    • F01N3/106—Auxiliary oxidation catalysts
    • 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
    • F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
    • F01N3/2066—Selective catalytic reduction [SCR]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/02—EGR systems specially adapted for supercharged engines
    • F02M26/04—EGR systems specially adapted for supercharged engines with a single turbocharger
    • F02M26/05—High pressure loops, i.e. wherein recirculated exhaust gas is taken out from the exhaust system upstream of the turbine and reintroduced into the intake system downstream of the compressor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/14—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the exhaust system
    • F02M26/15—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the exhaust system in relation to engine exhaust purifying apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
    • F02M26/23—Layout, e.g. schematics
    • 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
    • F01N2410/00—By-passing, at least partially, exhaust from inlet to outlet of apparatus, to atmosphere or to other device
    • F01N2410/03—By-passing, at least partially, exhaust from inlet to outlet of apparatus, to atmosphere or to other device in case of low temperature
    • 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
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/16—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
    • F01N2900/1602—Temperature of exhaust gas 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
    • 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

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

Abstract

Circuit d'échappement (10) d'un moteur (1) à combustion interne suralimenté par un turbocompresseur (5), comportant : - un catalyseur de réduction sélective (17) des oxydes d'azote émis dans les gaz de combustion du moteur (1); - un dispositif de dépollution (16) des gaz du moteur (1) disposé en amont dudit catalyseur de réduction sélective (17); et, - une boucle de recirculation (26) des gaz de combustion du moteur (1) dans un circuit d'admission (9) du moteur (1), CARACTERISE EN CE QU' il comprend en outre un circuit de dérivation (30) de la boucle de recirculation (26), apte à prélever une partie des gaz dans ladite boucle de recirculation (26) et à les réintroduire dans le circuit d'échappement (10) entre le dispositif de dépollution (16) et le catalyseur de réduction sélective (17).
PCT/FR2014/052918 2013-12-16 2014-11-14 Système d'échappement d'un moteur à combustion interne et procédé de chauffage d'un catalyseur scr Ceased WO2015092180A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1362641 2013-12-16
FR1362641A FR3014951B1 (fr) 2013-12-16 2013-12-16 Systeme d'echappement d'un moteur a combustion interne et procede de chauffage d'un catalyseur scr

Publications (2)

Publication Number Publication Date
WO2015092180A2 WO2015092180A2 (fr) 2015-06-25
WO2015092180A3 true WO2015092180A3 (fr) 2015-09-03

Family

ID=50473447

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FR2014/052918 Ceased WO2015092180A2 (fr) 2013-12-16 2014-11-14 Système d'échappement d'un moteur à combustion interne et procédé de chauffage d'un catalyseur scr

Country Status (2)

Country Link
FR (1) FR3014951B1 (fr)
WO (1) WO2015092180A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11261808B2 (en) 2017-12-15 2022-03-01 Volvo Truck Corporation Internal combustion engine system, comprising an internal combustion engine and an exhaust gas recirculation circuit

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016206720A1 (fr) * 2015-06-23 2016-12-29 Volvo Truck Corporation Système de moteur à combustion interne
DE102019131829B3 (de) * 2019-11-25 2021-01-14 Volkswagen Aktiengesellschaft Verfahren zur Abgasnachbehandlung eines Verbrennungsmotors
US11313263B2 (en) * 2020-06-29 2022-04-26 Cummins Inc. Systems and methods for heating an aftertreatment system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05321643A (ja) * 1992-05-26 1993-12-07 Mazda Motor Corp ターボ過給機付エンジンの排気装置
EP2206899A1 (fr) * 2009-01-13 2010-07-14 MAN Nutzfahrzeuge Aktiengesellschaft Procédé de post-traitement d'un flux de gaz d'un moteur à combustion multi-cylindrique d'un véhicule ainsi quel'installation de post-traitement des gaz d'échappement
DE102011005654A1 (de) * 2011-03-16 2012-09-20 Man Diesel & Turbo Se Brennkraftmaschine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005045029A1 (de) 2005-09-22 2007-03-29 Man Nutzfahrzeuge Ag Mittels Abgasturbolader aufgeladene Brennkraftmaschine mit einem Abgasstrang mit SCR-Katalysator(en)
WO2009081233A1 (fr) 2007-12-21 2009-07-02 Renault Trucks Agencement pour une ligne d'échappement d'un moteur à combustion interne
US7971430B2 (en) 2008-04-04 2011-07-05 Ford Global Technologies, Llc Diesel turbine SCR catalyst

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05321643A (ja) * 1992-05-26 1993-12-07 Mazda Motor Corp ターボ過給機付エンジンの排気装置
EP2206899A1 (fr) * 2009-01-13 2010-07-14 MAN Nutzfahrzeuge Aktiengesellschaft Procédé de post-traitement d'un flux de gaz d'un moteur à combustion multi-cylindrique d'un véhicule ainsi quel'installation de post-traitement des gaz d'échappement
DE102011005654A1 (de) * 2011-03-16 2012-09-20 Man Diesel & Turbo Se Brennkraftmaschine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11261808B2 (en) 2017-12-15 2022-03-01 Volvo Truck Corporation Internal combustion engine system, comprising an internal combustion engine and an exhaust gas recirculation circuit
CN111479993B (zh) * 2017-12-15 2022-09-27 沃尔沃卡车集团 包括内燃机和排气再循环回路的内燃机系统

Also Published As

Publication number Publication date
FR3014951B1 (fr) 2015-12-18
FR3014951A1 (fr) 2015-06-19
WO2015092180A2 (fr) 2015-06-25

Similar Documents

Publication Publication Date Title
WO2012114187A3 (fr) Système d'échappement comprenant un catalyseur réducteur de nox et un circuit egr
WO2009076574A3 (fr) Système de traitement d'émission
GB2521576A (en) Close-coupled SCR system
WO2013004629A3 (fr) Générateur de gaz ammoniac et procédé pour produire de l'ammoniac pour la réduction d'oxydes d'azote dans des gaz de combustion
WO2009135021A3 (fr) Appareil, système et procédé pour réduire les émissions de no<sb>x</sb> sur un catalyseur rcs
WO2009099528A3 (fr) Système d'échappement utilisant la réduction catalytique sélective (scr) et la recirculation des gaz d'échappement (egr)
EP2554816A3 (fr) Contrôle des émissions de NH3 dans un système de réduction des NOx
WO2015110247A3 (fr) Procédé de diagnostic d'un convertisseur catalytique ainsi que véhicule à moteur
MX2017005291A (es) Sistemas de tratamiento de emisiones con catalizadores twc y catalizadores scr-hct.
MX384975B (es) Sistema de tratamiento de emisiones de escape de motor.
GB2473999A (en) Exhaust system for a lean burn ic engine
EP2541012A3 (fr) Système pour purifier des gaz d'échappement et système d'échappement correspondant
WO2009135016A3 (fr) Appareil, système, et procédé pour réduire les émissions de no<sb>x</sb> sur un catalyseur à réduction catalytique sélective (rcs)
WO2014167351A3 (fr) Module d'épuration des gaz d'échappement
WO2007098514A3 (fr) Système d'échappement de gaz d'un moteur à combustion interne
DK201270152A (en) Internal combustion engine
WO2009017228A1 (fr) Dispositif de purification de gaz d'échappement d'un moteur à combustion interne
CN103615299B (zh) 设计柴油机后处理系统的方法及系统
RU2010104944A (ru) Обработка отработавших газов перед турбонагнетателем
RU2013130789A (ru) Способ работы системы выпуска двигателя и система выпуска двигателя транспортного средства
MX2015012370A (es) Filtracion de particulados de ciclon para motores de mezcla pobre.
BR112012021921A2 (pt) sistema de pós-tratamento de motor a diesel, e, método de pós-tratamento dos gases de escape de um motor a diesel
WO2014170675A3 (fr) Procédé et appareil pour le réchauffement d'un appareil de post-traitement des gaz d'échappement
WO2015092180A3 (fr) Système d'échappement d'un moteur à combustion interne et procédé de chauffage d'un catalyseur scr
GB2529362A (en) Exhaust gas recirculation and control with twin scroll turbines

Legal Events

Date Code Title Description
NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 14821707

Country of ref document: EP

Kind code of ref document: A2