EP1799976B1 - Structure de filtration des gaz d'echappement d'un moteur a combustion interne et ligne d'echappement associee - Google Patents

Structure de filtration des gaz d'echappement d'un moteur a combustion interne et ligne d'echappement associee Download PDF

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Publication number
EP1799976B1
EP1799976B1 EP05809205A EP05809205A EP1799976B1 EP 1799976 B1 EP1799976 B1 EP 1799976B1 EP 05809205 A EP05809205 A EP 05809205A EP 05809205 A EP05809205 A EP 05809205A EP 1799976 B1 EP1799976 B1 EP 1799976B1
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EP
European Patent Office
Prior art keywords
conduits
admission
gases
filtering
apertures
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.)
Not-in-force
Application number
EP05809205A
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German (de)
English (en)
French (fr)
Other versions
EP1799976A1 (fr
Inventor
Dominique Dubots
Nicolas Bonnail
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.)
Saint Gobain Centre de Recherche et dEtudes Europeen SAS
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Saint Gobain Centre de Recherche et dEtudes Europeen SAS
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Filing date
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Publication of EP1799976A1 publication Critical patent/EP1799976A1/fr
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Publication of EP1799976B1 publication Critical patent/EP1799976B1/fr
Not-in-force legal-status Critical Current
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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
    • F01N3/02—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
    • F01N3/022—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 characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
    • F01N3/0222—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 characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous the structure being monolithic, e.g. honeycombs
    • 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
    • F01N3/023—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 using means for regenerating the filters, e.g. by burning trapped particles
    • 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
    • F01N2260/14—Exhaust treating devices having provisions not otherwise provided for for modifying or adapting flow area or back-pressure
    • 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
    • F01N2330/00—Structure of catalyst support or particle filter
    • F01N2330/02—Metallic plates or honeycombs, e.g. superposed or rolled-up corrugated or otherwise deformed sheet metal
    • 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
    • F01N2330/00—Structure of catalyst support or particle filter
    • F01N2330/06—Ceramic, e.g. monoliths
    • 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
    • F01N2330/00—Structure of catalyst support or particle filter
    • F01N2330/30—Honeycomb supports characterised by their structural details
    • 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
    • F01N2390/00—Arrangements for controlling or regulating exhaust apparatus
    • 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
    • F01N2410/04—By-passing, at least partially, exhaust from inlet to outlet of apparatus, to atmosphere or to other device during regeneration period, e.g. of particle filter
    • 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
    • F01N2430/08—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics by modifying ignition or injection timing
    • F01N2430/085—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics by modifying ignition or injection timing at least a part of the injection taking place during expansion or exhaust stroke
    • 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
    • F01N3/023—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 using means for regenerating the filters, e.g. by burning trapped particles
    • F01N3/027—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 using means for regenerating the filters, e.g. by burning trapped particles using electric or magnetic heating means
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S55/00—Gas separation
    • Y10S55/30—Exhaust treatment

Definitions

  • the present invention relates to a structure for filtering the exhaust gases of an internal combustion engine, according to the preamble of claim 1.
  • Such structures are used in particular in the exhaust gas pollution control devices of diesel engines of motor vehicles.
  • Filtration structures are known in which the filtering member comprises a set of adjacent conduits of parallel axes, separated by porous filtration walls.
  • the ducts extend between an intake face and a discharge face. These ducts are closed at one or the other of their ends to delimit gas intake ducts opening on the intake face, and gas extraction ducts opening on the face of the duct. evacuation.
  • the structures of the aforementioned type operate in a succession of filtration phases and regeneration phases.
  • the soot particles emitted by the engine are deposited on the walls of the inlet chambers.
  • the pressure drop across the filter increases gradually. Beyond a predetermined value of this pressure drop, a regeneration phase is performed.
  • the soot particles composed mainly of carbon, are burned on the walls of the inlet chambers in order to restore the structure to its original properties.
  • EP-A-1 408 207 a structure of the aforementioned type, in which slits for discharging residues are formed in the porous walls which separate the intake ducts of the extraction ducts, in the vicinity of the evacuation face.
  • the soot At the beginning of a filtration phase, the soot accumulates preferentially in the waste discharge slots and progressively obstructs these slots to generate a back pressure in the intake chambers.
  • the soot combustion residues flow into the extraction ducts through the slots and are evacuated out of the filtration unit and then into the exhaust line.
  • An object of the invention is therefore to provide an exhaust gas filtration structure of an internal combustion engine which has an improved life, while maintaining a filtration efficiency substantially constant over time.
  • the subject of the invention is a filtration structure according to claim 1.
  • the filtration structure may comprise one or more of the features which are the subject of claims 2 to 9.
  • the invention further relates to a motor vehicle exhaust line, characterized in that it comprises a filtration structure as defined above.
  • the filtration structure 11 represented on the Figures 1 to 3 is disposed in a line 13 for exhausting gases from a motor vehicle diesel engine, represented partially on the Figure 1 .
  • This exhaust line 13 extends beyond the ends of the structure 11 by an upstream diffuser 15 for admission of the gases to be filtered, and by a downstream collector 17 of the filtered gases.
  • the exhaust line 13 defines a passage 19 for the circulation of the exhaust gases.
  • the filtration structure 11 comprises a block 21 for filtering soot, and a box 25 for receiving the combustion residues.
  • the filtration unit 21 is of substantially rectangular parallelepipedal shape elongated parallel to a longitudinal axis X-X '.
  • the filtration unit 21 comprises a porous filtering frame 27, an inlet face 29 for the exhaust gas to be filtered, a discharge face 31 and side faces 33.
  • the intake and exhaust faces 29 and 31 are flat and substantially perpendicular to the axis X-X '.
  • the porous filtration frame 27 is made of a filtration material consisting of an integral structure, in particular ceramic (cordierite or silicon carbide) or metal.
  • This frame 27 has a sufficient porosity to allow the passage of the exhaust gas. However, as known per se, the pore diameter is chosen small enough to ensure retention of the soot particles contained in these gases.
  • the porous framework 27 defines a set of adjacent ducts of axes substantially parallel to the axis X-X '.
  • the ducts are divided into a first group of intake ducts 35 and a second group of extraction ducts 37.
  • the intake ducts 35 and the extraction ducts 37 are respectively grouped in alternating rows 39 and 41, each intake duct 35A being adjacent to at least one intake duct 35B and to at least one extraction duct 37A.
  • the cross section of the intake ducts 35 and exhaust ducts 37 is substantially square in shape. Rows 39 and 41 are shown as horizontal.
  • the intake ducts 35A are separated from the adjacent extraction ducts 37A by porous filtration walls 43, horizontal on the Figure 3 , and the adjacent intake ducts such as 35A and 35B are separated by structure walls 45, vertical on the Figure 3 .
  • the adjacent extraction ducts, such as 37A and 37B are separated by structural walls 46, vertical on the Figure 3 .
  • the walls 43, 45, 46 are of constant thickness and extend longitudinally in the structure 11, from the intake face 29 to the discharge face 31.
  • each intake duct 35 extends continuously between a gas inlet opening 47 in the intake face 29 and an outlet opening 49 which opens into the chamber. residue box 25, on the face 31.
  • the walls 43, 45 defining the ducts 35 are continuous.
  • Each extraction duct 37 comprises an upstream portion 51, and a downstream portion 53 which has lateral gas extraction passages 55 formed in the vertical walls 46, in the vicinity of the discharge face 31.
  • the upstream portion 51 extends between the intake face 29 and the upstream edge 59 of the passages 55. It is closed at the intake face 29 by a plug 52.
  • the walls 43, 46 of the duct 37 are continuous. in the upstream part 51.
  • the downstream portion 53 extends between the upstream portion 51 and the discharge face 31. It is closed at the discharge face 31 by a plug 54.
  • the extraction passages 55 extend opposite each other, and define a chamber 61 for collecting filtered gases extending transversely.
  • the collection chambers 61 open transversely into the vertical vertical faces 33 of the filtration unit 21, on either side of this block 21, through gas extraction openings 63 formed in these faces 33.
  • Lateral collectors 65 connected to the collector 17 by taps 67, are fixed on the lateral faces 33 and sealingly cover the extraction apertures 63.
  • a single collector 65 is shown on FIG. Figure 1 .
  • the chambers 61 are for example made by ablation through the frame 27 by a laser beam.
  • the waste box 25 is formed by a receptacle 81.
  • This receptacle 81 is closed with the exception of a collection opening which extends facing the entire evacuation face 31.
  • the receptacle 81 sealingly covers the intake face 31 and defines a continuous internal volume 83 for collecting the combustion residues.
  • the ratio between the internal volume 83 and the total volume of the intake ducts 35 is, for example, greater than 1.
  • the receptacle 81 forms counter-pressure means for the intake ducts 35.
  • these gases then enter the intake ducts 35.
  • the soot is deposited on the walls 43 in the intake ducts 35.
  • the filtered exhaust gas is then guided through the upstream portions 51, along the walls 43, then in the downstream parts 53 and collected in the chambers 61. They then flow to the manifold 17 of the exhaust line 13 through successively the openings 63 and the lateral collectors 65.
  • a regeneration phase is then performed, for example by a fuel injection in line 13 which causes a rise in temperature of the frame 27.
  • a soot combustion starts in the vicinity of the intake face 29 and then propagates to the discharge face 31.
  • the soot collected on the walls 43 are then converted into combustion residues.
  • the filtration walls 43 are disengaged and the active filtering surface of the block 21 substantially returns to its initial state, that is to say that we find substantially the active surface available before the start of soot collection.
  • the service life of the filtration structure 11 no longer depends on the volume of the intake ducts 35, but results from the volume 83 of the waste box, which can be adjusted according to the desired service life.
  • an igniter 91 may also be placed in the bottom of the receptacle 81 in order to allow combustion of the soot that migrates into the box 25 during the filtration phases.
  • This igniter 91 is for example of the type described in the French application FR-A-2816002 .
  • the second structure according to the invention 101 differs from the previous one only in that the intake ducts 35 and the extraction ducts 37 have horizontally elongated rectangular cross-sections.
  • the distance d1 between the structure walls 45C, 45D or 46C, 46D of each duct 35, 37 is greater than the distance d2 between the porous walls 43C, 43D of each duct 35, 37.
  • the ratio d1 / d2 between these distances is preferably greater than 1 and, more preferably, between 1 and 150, in order to maximize the active surface of the filtration walls 43, while maintaining the mechanical properties of the block 21. .
  • the third filtration structure 201 illustrated by the Figure 5 comprises a plurality of filtering units 21 of the same length L juxtaposed, similar to those of the first structure 11, interconnected by connecting joints 203 disposed between the adjacent side faces of the blocks 21.
  • the inlet faces 29 of the blocks 21, on the one hand, and their discharge faces 31, on the other hand, are substantially coplanar and respectively define an intake face of the gases in the structure and an evacuation face of the structure.
  • the bonding joint 203 is for example made based on ceramic citent, generally consisting of silica and / or silicon carbide and / or aluminum nitride.
  • the filtration blocks 21 are thus fixed together by the seal 203.
  • the collection chambers 61 of the blocks 21 are interconnected through the seals 203.
  • the collection chambers 61 of the blocks 21 defining the lateral faces 33 of the structure 201 open into the lateral collectors 65 .
  • the chambers 61 are for example made after assembling the blocks 21 together, by ablation through the structure 201 from a side face 33 with the aid of a laser beam.
  • the fourth structure 301 according to the invention differs from the previous one only in that the width, taken parallel to the axis X-X ', chambers 61, shown schematically by a shaded area 303, decreases from the periphery of the structure 201 towards its center, the along a transverse axis YY '.
  • the fifth structure 401 represented on the Figure 7 , is analogous to that of the Figure 5 .
  • secondary chambers for extracting the filtered gases schematically represented by a shaded area 403, are formed in a median portion of each row of extraction ducts, upstream of the chambers 61.
  • the secondary chambers of each row of ducts are interconnected and those blocks 21 defining the side faces 33 of the structure 401 open in secondary collectors 405. These cover the corresponding portions of the vertical side faces 33 of the structure 401, and are connected to the collector 17 by a secondary tapping (not shown).
  • the chambers 61 may be distributed along the length of the filtration structure, and the lateral collectors 65 may cover the entire extent of the lateral faces 33, for example by a horizontal extension of a section of the exhaust line. .
  • the waste box 25 comprises adjustable exhaust means 503.
  • These means 503 comprise a convergent duct 505 connecting the receptacle 81 and the collector 17, a valve 507 for closing this duct 505, means 509 for controlling the valve 507, and a porous filter 511 interposed between the receptacle 81. and the connecting pipe 505.
  • the filter 511 forms the downstream wall of the receptacle 81.
  • the porous filter 511 has a porosity adapted so that the pressure drop induced by the path of the gases through the block 21, the receptacle 81, the filter 511 and the collector 25 is less than the pressure drop induced by the path of the gases. through the block 21, the side collectors 65 and the taps 67.
  • valve 507 is kept closed by the control means 509, so that the operation of this structure 501 is similar to that of the first structure 11 according to the invention.
  • the valve 507 is opened by the control means 509.
  • the control means 509 Given the lower pressure drop induced by the path of the gases through the block 21, the receptacle 81, the filter 511 and the collector 25 compared to the pressure drop induced by the path of gases to Through the block 21, the lateral collectors 65 and the taps 67, the exhaust gases preferentially flow through the waste outlet openings 49 of the intake ducts 35. They thus enter the receptacle 81 and then pass through. through the filter 511, then through the pipe 505 to the manifold 17. The exhaust gas thus facilitates the migration of combustion residues accumulated in the intake ducts 35 to the receptacle 81.
  • the waste box 25 comprises means 513 for emptying the collected residues.
  • These means are for example constituted by a retractable hatch formed in the lower wall of the receptacle 81.
  • the waste box 25 is constituted by the upstream portion of the collector 17, in the extension of the face 31.
  • a shutter is disposed in this upstream portion in order to achieve the back pressure in the ducts. admission 35.
  • each extraction duct 37 is delimited by continuous walls between the intake face 29 and the evacuation face 31.
  • the extraction ducts 37 are closed at the intake face 29 and open at the inlet face 29. level of the discharge face 31, through extraction openings 602.
  • each intake duct 35 comprises an upstream portion 603, and a downstream portion 605 which has lateral openings 607 for discharging residues formed in the vertical walls 46, in the vicinity of the evacuation face 31.
  • the upstream portion 603 extends continuously between the intake face 29, in which it opens, and the upstream edge 609 of the discharge openings 607.
  • the downstream portion 605 extends between the upstream portion 603 and the discharge face 31, at which it is closed by a plug 606.
  • the lateral openings 607 are arranged facing one another and delimit a transverse space 611 for collecting residues, which opens laterally into the lateral faces 33 of the block 21.
  • the structure 601 comprises two residue boxes 25 (only one is shown on the Figure 10 ) arranged opposite the lateral faces 33 of the block 21, and sealingly covering the lateral openings 607 which open into these faces 33.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Processes For Solid Components From Exhaust (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Sampling And Sample Adjustment (AREA)
EP05809205A 2004-10-14 2005-10-11 Structure de filtration des gaz d'echappement d'un moteur a combustion interne et ligne d'echappement associee Not-in-force EP1799976B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0410872A FR2876731A1 (fr) 2004-10-14 2004-10-14 Structure de filtration des gaz d'echappement d'un moteur a combustion interne et ligne d'echappement associee
PCT/FR2005/002517 WO2006040474A1 (fr) 2004-10-14 2005-10-11 Structure de filtration des gaz d'echappement d'un moteur a combustion interne et ligne d'echappement associee

Publications (2)

Publication Number Publication Date
EP1799976A1 EP1799976A1 (fr) 2007-06-27
EP1799976B1 true EP1799976B1 (fr) 2009-01-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP05809205A Not-in-force EP1799976B1 (fr) 2004-10-14 2005-10-11 Structure de filtration des gaz d'echappement d'un moteur a combustion interne et ligne d'echappement associee

Country Status (7)

Country Link
US (1) US7503170B2 (ja)
EP (1) EP1799976B1 (ja)
JP (1) JP4731564B2 (ja)
AT (1) ATE421029T1 (ja)
DE (1) DE602005012417D1 (ja)
FR (1) FR2876731A1 (ja)
WO (1) WO2006040474A1 (ja)

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EP1877651B1 (en) * 2004-11-29 2015-04-22 DEUTZ Aktiengesellschaft Filter device for removing particles from exhaust gas
CN101903080B (zh) * 2007-12-21 2013-10-02 沃尔沃技术公司 微粒过滤装置
DE102008062217A1 (de) * 2008-12-13 2010-06-17 Deutz Ag Partikelfiltersystem mit variablem Abscheidegrad
US10287940B2 (en) 2015-08-06 2019-05-14 Clean Air-Engineering—Maritime, Inc. Movable emission control system for auxiliary diesel engines
US10422260B2 (en) 2015-08-06 2019-09-24 Clean Air-Engineering-Maritime, Inc. Movable emission control system for auxiliary diesel engines
US10619539B2 (en) * 2015-08-06 2020-04-14 Clean Air-Engineering—Maritime, Inc. Emission control system for auxiliary diesel engines

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Also Published As

Publication number Publication date
US20070277516A1 (en) 2007-12-06
US7503170B2 (en) 2009-03-17
JP4731564B2 (ja) 2011-07-27
ATE421029T1 (de) 2009-01-15
WO2006040474A1 (fr) 2006-04-20
FR2876731A1 (fr) 2006-04-21
JP2008517198A (ja) 2008-05-22
EP1799976A1 (fr) 2007-06-27
DE602005012417D1 (de) 2009-03-05

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