WO2019081109A1 - Moteur à combustion interne équipé d'un système d'échappement - Google Patents

Moteur à combustion interne équipé d'un système d'échappement

Info

Publication number
WO2019081109A1
WO2019081109A1 PCT/EP2018/073950 EP2018073950W WO2019081109A1 WO 2019081109 A1 WO2019081109 A1 WO 2019081109A1 EP 2018073950 W EP2018073950 W EP 2018073950W WO 2019081109 A1 WO2019081109 A1 WO 2019081109A1
Authority
WO
WIPO (PCT)
Prior art keywords
internal combustion
combustion engine
exhaust gas
exhaust system
exhaust
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/EP2018/073950
Other languages
German (de)
English (en)
Inventor
Stephan Rubbert
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.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke AG
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 Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Priority to EP18773943.8A priority Critical patent/EP3701132A1/fr
Publication of WO2019081109A1 publication Critical patent/WO2019081109A1/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
    • F01N3/30—Arrangements for supply of additional air
    • F01N3/32—Arrangements for supply of additional air using air pump
    • F01N3/326—Engine-driven air pumps
    • 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
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • 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
    • 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
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • 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
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
    • F01N3/0842—Nitrogen oxides
    • 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
    • F01N3/101—Three-way 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
    • 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
    • F01N2230/00—Combination of silencers and other devices
    • F01N2230/02—Exhaust filters
    • 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
    • F01N2230/00—Combination of silencers and other devices
    • F01N2230/04—Catalytic converters
    • 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
    • F01N2240/02—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 heat exchanger
    • 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
    • F01N2260/00—Exhaust treating devices having provisions not otherwise provided for
    • F01N2260/02—Exhaust treating devices having provisions not otherwise provided for for cooling the device
    • F01N2260/022—Exhaust treating devices having provisions not otherwise provided for for cooling the device using 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
    • F01N2340/00—Dimensional characteristics of the exhaust system, e.g. length, diameter or volume of the exhaust apparatus; Spatial arrangements of exhaust apparatuses
    • F01N2340/06—Arrangement of the exhaust apparatus relative to the turbine of a turbocharger
    • 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
    • F01N2430/00—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics
    • F01N2430/06—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics by varying fuel-air ratio, e.g. by enriching fuel-air mixture
    • 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
    • F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/10—Carbon or carbon oxides
    • 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

Definitions

  • the invention relates to an internal combustion engine having an exhaust system with the features of the preamble of patent claim 1.
  • the technical environment is, for example, the German
  • an exhaust system for internal combustion engines with particle filter is known.
  • the exhaust system for an internal combustion engine has an exhaust line, which is connectable to an outlet side of the internal combustion engine, wherein in the exhaust system in the downstream direction
  • At least one catalyst is arranged and this is followed by a particle filter.
  • a secondary air inlet opening for introducing secondary air via at least one controllable valve into the exhaust gas line is provided in the exhaust gas line upstream of the particle filter and the secondary air is compressed air.
  • the secondary air is a partial flow of
  • Exhaust system wherein the secondary air inlet opening is arranged in the flow direction of the exhaust gas to the particle filter in the exhaust system.
  • Object of the present invention is to eliminate the CO emission as completely as possible and to oxidize in CO2.
  • the internal combustion engine can continue to be operated with a mixture enrichment and the CO are oxidized via the oxidation catalyst. Since the oxidation of the
  • the second emission control system should be as far away from the Internal combustion engine are installed, z. B. integrated in the
  • the exhaust gas temperature can be lowered as far as possible when entering the second emission control device.
  • the secondary air should be taken after the turbocharger compressor and before the intercooler.
  • the secondary air mass flow can be adjusted by the wastegate of the exhaust gas turbocharger and the throttle valve fresh air side.
  • the secondary air can also be provided by an electric compressor (e-booster).
  • the second emission control system can also be designed as a particle filter.
  • the secondary air system may be further used to regenerate a particulate filter.
  • Exhaust gas turbocharger and the throttle valve may be arranged in the secondary air line and a valve.
  • the first emission control system is preferably a three-way catalytic converter or a NOx storage catalytic converter.
  • the second emission control system may also be an SCR catalytic converter (Selective Catalytic Reduction).
  • the internal combustion engine can continue to be operated with a mixture enrichment in thermally critical map areas, without causing a high CO emission. With the mixture enrichment, the internal combustion engine can continue
  • the filter can be regenerated largely independent of the operating condition of the internal combustion engine, since the required
  • Oxygen excess can be effected by the secondary air system.
  • the invention is explained in more detail below with reference to an embodiment in a single figure.
  • Figure 1 shows schematically an internal combustion engine with an exhaust system.
  • FIG 1 shows schematically an internal combustion engine 1 with an exhaust system 2.
  • the exhaust system 2 is used for discharging exhaust gas
  • the exhaust gas flows first through a turbine 3 of an exhaust gas turbocharger and further through an exhaust pipe and through a first emission control system 4.
  • the exhaust gas flows through an exhaust pipe and through a silencer 6 and further through a second emission control system 7.
  • the exhaust gas leaves the exhaust gas through two tailpipes 8, the exhaust system 2 and flows into the open.
  • the two tailpipes 8 apply to this embodiment, the function is independent of the number of tailpipes 8.
  • a flow direction of the exhaust gas is shown schematically by two arrows.
  • a secondary air line 5 is provided with a not
  • a fresh air mass flow through the secondary air line 5 can with a non-illustrated
  • Throttle or a bypass, not shown, of the exhaust gas turbocharger or by a likewise not shown valve in the secondary air line 5 are regulated.
  • the first emission control system 4 is a three-way catalyst, in a second embodiment, it may be a NOx storage catalyst.
  • the second emission control system 7 is preferably a three-way
  • Catalyst may also be an SCR catalyst (Selective Catalytic Reduction) or a particulate filter, wherein the particulate filter may also be coated and may additionally work as a catalyst.
  • SCR catalyst Selective Catalytic Reduction
  • particulate filter may also be coated and may additionally work as a catalyst.
  • At least a portion of the exhaust pipes of the exhaust system 2 is profiled, so that the exhaust gas flowing through the exhaust system 2 is cooled as far as possible until it hits the second emission control system 7.
  • the exhaust pipe between the turbine outlet and the first exhaust gas purification system 4 is designed as an inlet funnel for the first exhaust gas purification system 4, so that this
  • Exhaust pipe section is omitted.
  • the exhaust pipe should be profiled between the first exhaust gas purification system 4 and the muffler 6 for better cooling.
  • the muffler 6 and the second emission control system 7 are arranged in a common housing in the flow direction of the exhaust gas spaced from each other.
  • a separate housing may be provided for the muffler 6 and the second emission control system 7, respectively.
  • the internal combustion engine can continue to be operated with a mixture enrichment in thermally critical map areas, without causing high CO emissions. With the mixture enrichment, the internal combustion engine can continue
  • the filter can be regenerated largely independent of the operating condition of the internal combustion engine, since the required
  • Oxygen excess can be adjusted by the secondary air system.

Landscapes

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

Abstract

L'invention concerne un moteur à combustion interne (1) équipé d'un système d'échappement (2) pour l'évacuation de gaz d'échappement du moteur à combustion interne (1), ledit moteur à combustion interne (1) comportant un turbocompresseur à gaz d'échappement pourvu d'une turbine (3) et d'un compresseur, ladite turbine (3) étant disposée dans le système d'échappement (2) entre le moteur à combustion interne (1) et un premier dispositif de nettoyage de gaz d'échappement (4) et le compresseur est disposé dans une bande d'air frais du moteur à combustion interne (1), et un passage d'air secondaire (5) est prévu, avec lequel la bande d'air frais entre le compresseur et le moteur à combustion interne (1) peut être raccordée au système d'échappement (2) conduisant du gaz frais, dans le système d'échappement (2), un silencieux (6) étant prévu dans le sens du flux de gaz d'échappement derrière le premier dispositif de nettoyage de gaz d'échappement (4). Dans le système d'échappement (2), un deuxième dispositif de nettoyage de gaz d'échappement (7) est disposé dans le sens du flux de gaz d'échappement derrière le silencieux (6) et le passage d'air secondaire (5) se jette entre le silencieux (6) et le deuxième dispositif de nettoyage de gaz d'échappement (7) dans le système d'échappement (2). Selon la conception de l'invention, le moteur à combustion interne (1) peut fonctionner à forte charge avec un enrichissement en mélange.
PCT/EP2018/073950 2017-10-23 2018-09-06 Moteur à combustion interne équipé d'un système d'échappement Ceased WO2019081109A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP18773943.8A EP3701132A1 (fr) 2017-10-23 2018-09-06 Moteur à combustion interne équipé d'un système d'échappement

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017218838.3A DE102017218838A1 (de) 2017-10-23 2017-10-23 Brennkraftmaschine mit einer Abgasanlage
DE102017218838.3 2017-10-23

Publications (1)

Publication Number Publication Date
WO2019081109A1 true WO2019081109A1 (fr) 2019-05-02

Family

ID=63683131

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2018/073950 Ceased WO2019081109A1 (fr) 2017-10-23 2018-09-06 Moteur à combustion interne équipé d'un système d'échappement

Country Status (3)

Country Link
EP (1) EP3701132A1 (fr)
DE (1) DE102017218838A1 (fr)
WO (1) WO2019081109A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020160882A1 (fr) * 2019-02-07 2020-08-13 Bayerische Motoren Werke Aktiengesellschaft Module de filtre à particules pour véhicule automobile, véhicule automobile et procédé pour régénérer un filtre à particules

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020107130A1 (de) 2020-03-16 2021-09-16 Bayerische Motoren Werke Aktiengesellschaft Abgasanlage mit mehreren Abgasreinigungsvorrichtungen und Sekundärluft

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4048092A (en) * 1973-03-05 1977-09-13 Colonial Metals, Inc. Catalytic mixture and method of use therefor
JPS5517626A (en) * 1978-07-20 1980-02-07 Nippon Clean Engine Res Feeding method of secondary air to catalytic muffler of internal combustion engine
EP0723805A2 (fr) * 1995-01-27 1996-07-31 Toyota Jidosha Kabushiki Kaisha Procédé pour la purification de gaz de combustion
EP1430943A1 (fr) * 2002-12-17 2004-06-23 Volkswagen AG Dispositif de post-traitement des gaz d'échappement d'un moteur à combustion interne
DE102010044102A1 (de) 2010-11-18 2012-05-24 Ford Global Technologies, Llc Abgasanlage für Brennkraftmaschinen mit Partikelfilter
EP3026235A1 (fr) * 2014-11-26 2016-06-01 General Electric Company Système d'échappement avec un silencieux pour mélange d'injection d'air à mi-lit
DE102016204691A1 (de) * 2016-03-22 2017-09-28 Volkswagen Aktiengesellschaft Vorrichtung und Verfahren zur Regeneration eines Partikelfilters
DE102017203267A1 (de) 2017-03-01 2018-09-06 Bayerische Motoren Werke Aktiengesellschaft Brennkraftmaschine mit einer Abgasanlage

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU696257B2 (en) * 1995-11-09 1998-09-03 Toyota Jidosha Kabushiki Kaisha Method and device for purifying exhaust gas of engine
US6122909A (en) * 1998-09-29 2000-09-26 Lynntech, Inc. Catalytic reduction of emissions from internal combustion engines
US8327628B2 (en) * 2009-09-29 2012-12-11 Ford Global Technologies, Llc Gasoline particulate filter regeneration and diagnostics

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4048092A (en) * 1973-03-05 1977-09-13 Colonial Metals, Inc. Catalytic mixture and method of use therefor
JPS5517626A (en) * 1978-07-20 1980-02-07 Nippon Clean Engine Res Feeding method of secondary air to catalytic muffler of internal combustion engine
EP0723805A2 (fr) * 1995-01-27 1996-07-31 Toyota Jidosha Kabushiki Kaisha Procédé pour la purification de gaz de combustion
EP1430943A1 (fr) * 2002-12-17 2004-06-23 Volkswagen AG Dispositif de post-traitement des gaz d'échappement d'un moteur à combustion interne
DE102010044102A1 (de) 2010-11-18 2012-05-24 Ford Global Technologies, Llc Abgasanlage für Brennkraftmaschinen mit Partikelfilter
EP3026235A1 (fr) * 2014-11-26 2016-06-01 General Electric Company Système d'échappement avec un silencieux pour mélange d'injection d'air à mi-lit
DE102016204691A1 (de) * 2016-03-22 2017-09-28 Volkswagen Aktiengesellschaft Vorrichtung und Verfahren zur Regeneration eines Partikelfilters
DE102017203267A1 (de) 2017-03-01 2018-09-06 Bayerische Motoren Werke Aktiengesellschaft Brennkraftmaschine mit einer Abgasanlage

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020160882A1 (fr) * 2019-02-07 2020-08-13 Bayerische Motoren Werke Aktiengesellschaft Module de filtre à particules pour véhicule automobile, véhicule automobile et procédé pour régénérer un filtre à particules
US11635008B2 (en) 2019-02-07 2023-04-25 Bayerische Motoren Werke Aktiengesellschaft Particle filter assembly for a motor vehicle, motor vehicle, and method for regenerating a particle filter

Also Published As

Publication number Publication date
DE102017218838A1 (de) 2019-04-25
EP3701132A1 (fr) 2020-09-02

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