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WO2006053750A1 - Dispositif d'epuration de gaz d'echappement contenant de la suie d'un moteur a combustion interne - Google Patents

Dispositif d'epuration de gaz d'echappement contenant de la suie d'un moteur a combustion interne Download PDF

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Publication number
WO2006053750A1
WO2006053750A1 PCT/EP2005/012326 EP2005012326W WO2006053750A1 WO 2006053750 A1 WO2006053750 A1 WO 2006053750A1 EP 2005012326 W EP2005012326 W EP 2005012326W WO 2006053750 A1 WO2006053750 A1 WO 2006053750A1
Authority
WO
WIPO (PCT)
Prior art keywords
filter
section
pressure
exhaust gas
engine
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/EP2005/012326
Other languages
German (de)
English (en)
Inventor
Jochen Volkert
Ernst Keim
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.)
GVP Gesellschaft zur Vermarktung der Porenbrennertechnik mbH
Original Assignee
GVP Gesellschaft zur Vermarktung der Porenbrennertechnik mbH
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 GVP Gesellschaft zur Vermarktung der Porenbrennertechnik mbH filed Critical GVP Gesellschaft zur Vermarktung der Porenbrennertechnik mbH
Publication of WO2006053750A1 publication Critical patent/WO2006053750A1/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
    • F01N3/02—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
    • F01N3/0234—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 heat exchange means in the exhaust line
    • 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
    • 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
    • F01N3/025—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 fuel burner or by adding fuel to exhaust
    • 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
    • F01N2260/04—Exhaust treating devices having provisions not otherwise provided for for regeneration or reactivation, e.g. of catalyst
    • 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

Definitions

  • the invention relates to a device for cleaning soot-containing exhaust gases of an internal combustion engine, in particular a diesel engine.
  • a filter device comprises a monolithic filter element made of porous SiC.
  • the filter element is cylindrical and has a plurality of axially verlau ⁇ fender channels.
  • First channels are connected at a first end of the filter element to an engine exhaust gas supply line coming from the engine and are closed at an opposite second end of the filter element.
  • Second channels are closed at the first end of the filter element and verbun ⁇ the terme ⁇ lying second end with a Abgasabloomtechnisch the.
  • the first channels are thus separated from the second channels by the surrounding porous walls.
  • the soot contained in the engine exhaust gases is retained in the wall.
  • the cleaned engine exhaust gases are discharged from the second channels via the Abgasab2020 Koch. Over time, the porous walls become clogged by the soot retained therein.
  • the combustion parameters are changed such that the temperature of the engine exhaust gas increases to such an extent and as a result the soot retained in the filter device is burned becomes. After the regeneration of the filter device effected in this way, the combustion parameters are adjusted again in such a way that an optimum engine output is achieved.
  • the known method requires a complex control device with which the temperature of the engine exhaust gases can be controlled as a function of the pressure in the engine exhaust gas supply line by appropriate control of the control times, the valves, an injection device, the ignition timing and the like.
  • the provision of such a control device is expensive.
  • the temperature increase of the engine exhaust gases required for the regeneration of the filter device can only be achieved if the diesel engine is operated with a high power. But that is not the case with all vehicles.
  • the temperature increase of the engine exhaust gases required for the regeneration of the filter device is not achieved.
  • two filter devices are provided. If the filter element of a
  • Filter device is clogged, is switched to the other Filter ⁇ device.
  • clogged filter elements are removed and the soot collected in it burned out in an external furnace. It is obvious that this process is cumbersome, expensive and expensive.
  • a filter device in which a burner is provided for regenerating a filter element. To burn off the soot, the filter element is heated at its exhaust gas discharge side facing Nieder ⁇ pressure side with hot burner exhaust gases.
  • the known filter device has not proven itself. A complete combustion of the particular on the engine exhaust gas supply line facing high pressure side and provided in between the high pressure and the low pressure side Filtrationsabites deposited carbon black can not be achieved er ⁇ .
  • the object of the invention is to eliminate the disadvantages of the prior art.
  • a device as effective as possible for cleaning soot-containing exhaust gases of an internal combustion engine should be specified, which can be regenerated independently of the operating state of the internal combustion engine.
  • the burner exhaust gas passage also extends adjacent to the Niederbuch ⁇ outflow sections. This also allows heating of a high pressure flow section surrounded by low pressure exhaust sections.
  • the Hochscheranstr ⁇ mabêt is in heated in this case by means of heat conduction via the Nieder réelleab- strömabitese.
  • adjacent is understood to mean an arrangement of the burner exhaust gas passage, which makes it possible to transfer heat sufficient for combustion of the soot to the high pressure inflow section and the associated filter section. To perform this function, the burner exhaust passage does not need to run immediately adjacent to the high pressure inflow section. It can be provided in between a gap or the like.
  • the burner exhaust gas passage extends parallel and / or perpendicular to the high-pressure inflow section and / or to the low-pressure outflow sections.
  • a plurality of burner exhaust passages are provided, which are arranged with a plurality of Hochlichanströmabêten and Niederbuchabströmabroughen for the most effective transmission of heat in the manner of a heat exchanger.
  • the arrangement may correspond to that of a cross-flow heat exchanger, countercurrent heat exchanger or a mixed form of the aforementioned heat exchangers.
  • the burner exhaust gas passage is separated from the high-pressure inflow section by a first wall surrounding the high-pressure flow section.
  • the burner exhaust gas passage and the burner connected therewith are substantially separated from the pressure prevailing in the high-pressure inflow section.
  • This allows a particularly fast and effective discharge of the exhaust gases generated by the burner through the burner exhaust passage.
  • the heat required for the regeneration of the filter device can be transmitted particularly quickly and efficiently.
  • the Burner exhaust gas passage is limited by a surrounding wall.
  • the first wall of the high-pressure inflow section, the filter section and a second wall surrounding the low-pressure outflow section are made of the porous material. This allows a particularly simple and hereby gün ⁇ -term production of the filter device. For example, it can be inexpensively produced in large quantities by extrusion. Even if the first wall is produced only from a porous material, sufficient decoupling of the burner exhaust gas passage from the pressure prevailing in the high-pressure inlet section can thus be achieved.
  • the filter section is at least partially formed by the first and / or second wall.
  • the channel-shaped high-pressure inflow section may be surrounded by at least one, preferably several, channel-shaped low-pressure downflow sections arranged parallel thereto.
  • the filter section extends over the entire length of the Hochdruckanström- or Niederbuchab- Strömabitess. It can be made available as a large filter surface Ver ⁇ addition.
  • the porous material is expediently made of porous silicon carbide.
  • a surface of the material can be produced with catalytically active metals, for example Ru, Rh, Pt, Pd, Ir, Ni, Cu, V, W, Y, Ze, Ti, Zi or combinations or oxides thereof.
  • the pores at least of the filter section expediently have an average pore size in the range from 100 to 200 ⁇ m.
  • the first and / or the second Wall may have a different porosity with a mitt ⁇ ler pore size in the range of 40 to 80 microns.
  • the porous material can of course also be made of other ceramic materials, for example cordierite, aluminum oxide, mullite, silicon oxide, zirconium oxide, titanium oxide, spinel or mixtures thereof.
  • the filter device and the burner exhaust gas passage are surrounded by a common housing.
  • flow guiding means for guiding the burner exhaust gases may be provided in the housing. It may be sheets, which one to the direction of z. B. in the form of straight long elongated channels formed Hochdrucküberströmabbalde vertical flow of the burner exhaust gases.
  • the filter device may comprise one or more monolithically formed filter elements.
  • Such monolithic filter elements can be produced, for example, by extrusion processes.
  • the Hochscheranstr ⁇ m- and Niederbuchabströmabête may be designed as parallel channels, which are closed in a subsequent process to the extrusion process step to a part on one side and the other part on the other side.
  • the filter device comprises a plurality of filter elements, they can be arranged in a parallel arrangement in the housing. The remaining space between the filter elements in this case forms the burner exhaust passage. In this case, the filter elements can be flushed around to regenerate hot burner exhaust gases.
  • a device for measuring the engine exhaust gas supply line is provided.
  • the control device may comprise a microprocessor which switches the burner on and off according to a predetermined algorithm or program.
  • the proposed device thus forms an independent system which, independently of the respective operating state of the combustion engine, acts to regenerate the filter device.
  • the proposed device does not require any change in the combustion parameters during operation of the internal combustion engine.
  • the internal combustion engine can be operated during the regeneration of the filter device without loss of performance.
  • the Brennerabgas ⁇ passage opens into the Abgasab2020 Gustav.
  • the exhaust-removal line already provided for discharging the engine exhaust gases can be used.
  • FIG. 1 is a schematic sectional view through a Fil ⁇ terabrough a first filter device
  • FIG. 3 shows a schematic sectional view according to the section line AA 'in FIG. 2
  • FIG. 4 shows a schematic sectional view according to the section line BB 1 in FIG. 2
  • FIG. 3 shows a schematic sectional view according to the section line AA 'in FIG. 2
  • FIG. 4 shows a schematic sectional view according to the section line BB 1 in FIG. 2
  • FIG. 3 shows a schematic sectional view according to the section line AA 'in FIG. 2
  • FIG. 4 shows a schematic sectional view according to the section line BB 1 in FIG. 2
  • FIG. 5 shows a schematic cross-sectional view through a third filter device
  • FIG. 6 is a schematic cross-sectional view according to the section line AA 1 in Fig. 5,
  • FIG. 7 is a detail view of FIG. 6,
  • FIG. 9 is a schematic cross-sectional view according to the section line A-A 'in Fig. 8,
  • FIG. 10 is a detail view of FIG. 9,
  • Fig. 11 is a schematic sectional view through a fifth
  • Fig. 12 is a schematic sectional view through a sixth
  • 13 is a plan view of a device for Abgasrei ⁇ nist and
  • FIG. 14 shows a schematic cross-sectional view according to the section line A-A 'in FIG. 13.
  • FIG. 1 shows a schematic sectional view through a monolithic filter element of a first filter device.
  • the filter element is formed from a plurality of filter sections 1.
  • Each of the filter sections 1 um- a high-pressure inlet channel 2 adjoins.
  • a low-pressure outlet channel 3 and / or a burner exhaust gas passage 4 can be provided.
  • the Hochscheranströmkanäle 2, the Niederbuchabströmkanäle 3 and the burner exhaust passage 4 are surrounded by walls W, which are made of a porous SiC ceramic.
  • the Hochscheranströmkanäle 2 are connected to a (not shown here) Motorabgaszu111 decis.
  • An entrance of the burner exhaust gas passage 4 is connected to a burner exhaust gas supply line (not shown here).
  • An outlet of the burner exhaust gas passage 4 and openings of the low-pressure exhaust ducts 3 are connected to an exhaust discharge line (not shown).
  • an engine exhaust gas MG containing soot is supplied to the high-pressure flow channels 2 under high pressure.
  • the engine exhaust MG is pressed according to the arrows Pl through the walls W either in the Niedertownabströmkanäle 3 or in the burner exhaust passage 4.
  • the soot contained in the engine exhaust gas MG is retained in the walls W and possibly also in the high-pressure flow channels 2.
  • Engine exhaust gas MGR purified in this way is discharged via the exhaust gas discharge line connected to the low-pressure discharge ducts 3 and the outlet of the burner exhaust gas passage 4.
  • hot burner exhaust gas BG is conducted through the burner exhaust gas passages 4.
  • the soot-retaining walls W and the high pressure inflow sections 2 are heated to a temperature at which the soot burns. This will be the Regenerated filter element and is available for removing again soot from engine exhaust MG available.
  • FIG. 2 shows a perspective view of a second filter device 5.
  • engine exhaust gas MG laden with soot is supplied to the high-pressure inlet passages 2.
  • engine exhaust MGR leave the Niedertownabströmkanäle 3.
  • the Hochscheranströmkanäle 2 are at the first end El open and at the second end E2 closed sen.
  • the Nieder réelleabströmkanäle 3 are closed at the first end El and open at the second end E2.
  • slits 6 running parallel to the direction of the high-pressure inlet 2 and low-pressure outlet channels 3 are provided on upper and lower sides u extending transversely to the first El and the second end E2.
  • the slots 6 extend from the first inlet openings 7 provided on the upper side o and second inlet openings 8 provided on the lower side u into the interior of the filter element 1. They open at the second end E2 into outlet openings 9 provided there.
  • the third filter device 10 comprises a plurality of, preferably rectangularly formed, first filter elements 11.
  • the first filter elements 11 are arranged one above the other such that slots 6 extending parallel thereto are arranged form.
  • the slots 6 may generally have a width in the range of 1 to 6 mm, preferably 2 to 3 mm.
  • the Hochlichanströmkanäle 2 and the Niederbuchabströmkanäle 3 expediently in Ren ren a height and a width of 1 to 3 mm.
  • the thickness of the surrounding walls W can be 0.5 to 2.0 mm.
  • the hot burner exhaust gas BG flows through the slots 6 in a direction transverse to
  • FIGS. 8 to 10 show a fourth filter device 12.
  • a multiplicity of second filter elements 14, which are formed cylindrically here, are provided in a housing 13.
  • the second filter elements 14 are arranged at a distance a of 1 to 6 mm.
  • An inlet 15 is connected to a burner exhaust gas supply line (not shown here) and an outlet 16 is connected to an exhaust gas discharge line (not shown here).
  • the hot burner exhaust gases BG are supplied in the fourth filter device 12 in the region of the second end E 2 and are led off in the region of the first end E 1, ie. H. they are guided according to the countercurrent principle.
  • the low-pressure discharge channels 3 are open in the region of the second end E 2, where, however, conditions the Hochdruckanströmkanäle 2 are closed in the region of the second end E2.
  • first Filterelemen ⁇ te 11 show a fifth 17 and a sixth filter device 18.
  • first Filterelemen ⁇ te 11 are arranged in different ways, so that therebetween in the fifth filter device 17 transverse to the direction the high-pressure inlet channels 2 and the low-pressure outlet flow channels 3 provided slots 6 extend.
  • slits 6 extending at right angles to one another are provided which extend transversely to the direction of the high-pressure flow channels 2 and the low-pressure flow channels 3.
  • FIGS. 13 and 14 show a device for exhaust gas purification.
  • a monolithically formed third filter element 19 is accommodated in the housing 13.
  • the third filter element 19 has diagonal slots 6.
  • Two burner exhaust gas supply lines 15 lead away from a burner, indicated schematically by the reference numeral 20, which is provided with a blower 21 for supplying air to be heated.
  • An engine exhaust gas feed line is designated by the reference numeral 22. It is connected only to the high pressure contact channels 2 of the third filter element 19 (not shown here).
  • the function of the device is as follows:
  • Hot exhaust gas loaded with soot and supplied with soot through the engine exhaust gas supply line 22 enters the high-pressure flow channels 2 of the third filter element 19 under high pressure.
  • the hot engine exhaust gases MG are forced through the walls W into the low-pressure outflow channels 3.
  • the soot contained in the hot engine exhaust gases MG in the walls W intimid- held.
  • the cleaned engine exhaust gas MGR leaves the device via the exhaust gas discharge line 23.
  • hot burner exhaust BG is generated by cooperation of the burner 20 and the blower 21, which penetrates into the slots 6 both at the top o and at the bottom u and the third filter element 19 at a temperature at which the soot deposited in the walls W burns.
  • the exhaust gases formed in this way are also discharged through the Abgasab Industrieslei ⁇ device 23.

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  • 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)

Abstract

L'invention concerne un dispositif d'épuration des gaz d'échappement de moteur (MG) contenant de la suie d'un moteur à combustion interne, notamment d'un moteur diesel. Ce dispositif comprend, côté entrée, un dispositif filtrant (5, 10, 12, 17, 18) relié à une conduite d'amenée des gaz d'échappement moteur (22) provenant du moteur. Le dispositif filtrant (5, 10, 12, 17, 18) comprend une pluralité de sections filtrantes (1), chaque section filtrante (1) comprenant au moins une section d'écoulement haute pression (2) en forme de canal relié à la conduite d'alimentation des gaz d'échappement moteur (22), une section filtrante (W) réalisée dans une matière poreuse et pouvant être parcourue et au moins une section d'évacuation basse pression (3) en forme de canal et adjacente à la section d'écoulement haute pression (2) qui aboutit dans une conduite d'évacuation des gaz d'échappement (23) côté sortie du dispositif filtrant (5, 10, 12, 17, 18). La section d'écoulement haute pression (2) et la section d'évacuation basse pression (3) sont parallèles. Le dispositif filtrant (5, 10, 12, 17, 18) abrite à côté de la section d'écoulement haute pression au moins un passage de gaz d'échappement de brûleur (4, 6) raccordé à une conduite d'alimentation en gaz d'échappement de brûleur (15) et permettant de chauffer les sections d'écoulement haute pression (2) et de filtrage (W).
PCT/EP2005/012326 2004-11-17 2005-11-17 Dispositif d'epuration de gaz d'echappement contenant de la suie d'un moteur a combustion interne Ceased WO2006053750A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004055517.6 2004-11-17
DE102004055517 2004-11-17

Publications (1)

Publication Number Publication Date
WO2006053750A1 true WO2006053750A1 (fr) 2006-05-26

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6013914A (ja) * 1983-07-04 1985-01-24 Mitsubishi Electric Corp デイ−ゼルパテイキユレ−ト浄化装置
US4685291A (en) * 1985-06-28 1987-08-11 Ontario Research Foundation Diesel particulate traps
EP0410200A1 (fr) * 1989-07-12 1991-01-30 Sintermetallwerk Krebsöge Gmbh Corps poreux pour le traitement de gaz et/ou des vapeurs et/ou des liquides et son procédé de fabrication
DE19508804A1 (de) * 1995-03-15 1996-09-19 Pierburg Gmbh Rußfilteranordnung für Dieselmotoren

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6013914A (ja) * 1983-07-04 1985-01-24 Mitsubishi Electric Corp デイ−ゼルパテイキユレ−ト浄化装置
US4685291A (en) * 1985-06-28 1987-08-11 Ontario Research Foundation Diesel particulate traps
EP0410200A1 (fr) * 1989-07-12 1991-01-30 Sintermetallwerk Krebsöge Gmbh Corps poreux pour le traitement de gaz et/ou des vapeurs et/ou des liquides et son procédé de fabrication
DE19508804A1 (de) * 1995-03-15 1996-09-19 Pierburg Gmbh Rußfilteranordnung für Dieselmotoren

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 009, no. 132 (M - 385) 7 June 1985 (1985-06-07) *

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