EP0220588A2 - Procédé d'oxydation de la suie accumulée dans les filtres de suie - Google Patents

Procédé d'oxydation de la suie accumulée dans les filtres de suie Download PDF

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Publication number
EP0220588A2
EP0220588A2 EP86114134A EP86114134A EP0220588A2 EP 0220588 A2 EP0220588 A2 EP 0220588A2 EP 86114134 A EP86114134 A EP 86114134A EP 86114134 A EP86114134 A EP 86114134A EP 0220588 A2 EP0220588 A2 EP 0220588A2
Authority
EP
European Patent Office
Prior art keywords
filter
exhaust gas
particle concentration
supply
deposited
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.)
Granted
Application number
EP86114134A
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German (de)
English (en)
Other versions
EP0220588A3 (en
EP0220588B1 (fr
Inventor
Franz Prof. Dr. Techn. Pischinger
Gerhard Dr. Ing. Lepperhoff
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.)
Fev Forschungsgesellschaft fur Energietechnik und Verbrennungsmotoren Mbh
FEV Forschungsgesell f Energietechnik u Verbrennungsmotoren mbH
Original Assignee
Fev Forschungsgesellschaft fur Energietechnik und Verbrennungsmotoren Mbh
FEV Forschungsgesell f Energietechnik u Verbrennungsmotoren 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 Fev Forschungsgesellschaft fur Energietechnik und Verbrennungsmotoren Mbh, FEV Forschungsgesell f Energietechnik u Verbrennungsmotoren mbH filed Critical Fev Forschungsgesellschaft fur Energietechnik und Verbrennungsmotoren Mbh
Publication of EP0220588A2 publication Critical patent/EP0220588A2/fr
Publication of EP0220588A3 publication Critical patent/EP0220588A3/de
Application granted granted Critical
Publication of EP0220588B1 publication Critical patent/EP0220588B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F01N3/023—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
    • F01N3/0233—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 periodically cleaning filter by blowing a gas through the filter in a direction opposite to exhaust flow, e.g. exposing filter to engine air intake
    • 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
    • F01N3/0253—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 adding fuel to exhaust gases
    • F01N3/0256—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 adding fuel to exhaust gases the fuel being ignited by electrical means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • 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
    • 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
    • F01N3/0275—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 using electric discharge means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • 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
    • 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 invention relates to a method for the oxidation of soot deposited in soot filter systems with the supply of secondary energy and to a device for carrying out the method.
  • aftertreatment systems for the exhaust gas are used in diesel engines to reduce particle emissions.
  • These essentially consist of filter systems that collect and collect the solid parts of the particle phase.
  • the particles deposited in the filter increase the flow resistance in the exhaust system, which increases the exhaust gas back pressure for the engine. As the amount of particles increases, this can lead to a motor standstill depending on the load and speed. For this reason, it is necessary to continuously or intermittently remove the particles deposited in the filter, generally by oxidizing the particles.
  • regenerable particle filters in which the collected particles are burned intermittently, represent a promising concept.
  • the exhaust gas temperature has so far been increased to such an extent that the particles deposited on the filter material ignited and burned .
  • the combustion requires high energy.
  • a self-supporting soot oxidation is based on the fact that the heat released in the exothermic reaction is in equilibrium with the heat dissipated by the exhaust gas. If the heat dissipation is greater than the exothermic heat released, the rate of oxidation drops below the rate at which the particles are deposited in the filter. This leads to an increase in the particle mass in the filter. If, on the other hand, the oxidation rate is greater than the heat dissipation, more particles will oxidize than are transported into the filter by the motor, and the particle mass in the filter will decrease.
  • S.A.E.-Paper 1985/850014 Advanced Techniques for Thermal and Catalytic Diesel Particulate Trap Regeneration
  • Fig. 2, p. 64 proposed to supply secondary energy to the regeneration system, by means of electrical resistance heating with additional air supply.
  • the present invention has for its object to make the regeneration with the supply of secondary energy even easier and more economical.
  • the finding on which the invention is based is of importance here that the particle or. Soot concentration in the exhaust gas is significantly below the concentration for an ignitable mixture. The particles deposited on the filter wall and their concentration, on the other hand, are significantly above the ignition limits. The ignition limits are given from the coal dust explosion investigations in the mining area with 200 g / m 3 to 2000 g / m 3. The stoichiometric ratio is 130 g carbon / m '.
  • the particle concentration in front of or in the filter by short-term addition and / or recirculation of particulate or solid fuel to the exhaust gas stream to a value within the ignition limits of the particle-exhaust gas mixture are set and ignited by secondary energy supply.
  • the particle concentration at the ignition site is increased by whirling up deposited particles. It may also be expedient for carbon-containing particles to be introduced in a finely divided form from a supply in order to increase the particle concentration.
  • the regeneration problem is solved in the application of the invention in that locally in all speed and load ranges a carbon / air or.
  • Carbon / exhaust gas concentration is set so that it is within the ignition limits. This increases the reaction rate and the exothermic heat released is greater than the heat dissipated. This is achieved in that the soot concentration in the exhaust gas at higher loads and speeds by intermittent addition of e.g. Coal dust or coke dust is increased or the deposited coal dust is whirled up on the filter surfaces. This whirling up or addition results in an ignitable coal dust / air mixture at the point of energy supply which burns.
  • the exothermic heat released in the process is above the heat dissipated, so that an ignition wave runs through the filter and areas outside the ignition location are ignited and burn.
  • the exhaust gas to be cleaned flows through a pipe 2 into a conical transition space 3 and from there into a cylindrical space 4 which contains the filter material.
  • the filter material is designed as a ceramic filter with a honeycomb structure such that the exhaust gas to be cleaned flows into deposition channels 5, separates most of the soot and other particles on ceramic walls 6 into outflow channels 7 and then through a conical transition space 8 and pipeline 9 is dissipated.
  • the deposited soot and other particles are deposited on the ceramic walls 6 as a layer 10, and the secondary energy is supplied via a schematically illustrated resistance heating wire 30.
  • the particle concentration at the ignition point is increased by whirling up deposited particles, specifically at the considered embodiment by briefly pulsing back blowing an amount of the cleaned exhaust gas stream with the aid of compressed air or compressed air.
  • a compressed air container 11 which is fed by a compressed air source (not shown).
  • the compressed air tank 11 is connected via a line 12 and a suitable control device 13, e.g. a solenoid valve, in connection with a line 14, at the end of which there is a nozzle 15, through which compressed air and, through the action of an injector, also cleaned exhaust gas is blown onto the outlet surface of the filter arrangement.
  • the blowing is preferably carried out at a distance 16 of less than or approximately equal to 15 mm onto the filter outlet surface. Approximately the same distance can also be maintained when blowing onto the filter inlet surface.
  • the compressed air tank 11 stands over a line 17 and a suitable control device 18, e.g. a solenoid valve, in connection with a particle store 19.
  • a suitable control device 18, e.g. a solenoid valve in connection with a particle store 19.
  • carbon-containing particles are removed from the particle storage 19 via a line 20, a suitable control device 21, e.g. a solenoid valve, and a line 22 to a nozzle 23 and introduced in front of the filter inlet surface finely divided.
  • a compressed air container 11 which is fed by a (not shown) compressed air source, is in turn provided and is connected to an outflow nozzle 27 via a line 24, a control device 25 and a line 26.
  • the particle concentration at the ignition point is adjusted by briefly blowing air into the filter inlet surface.
  • parts of the amount of exhaust gas to be cleaned will also participate in the whirling up due to the injector effect.
  • the one or. Blow-back will preferably take place briefly and in pulses.
  • charge air can also be used in accordance with a further embodiment of the invention.
  • FIG. 4 corresponds essentially to the arrangement shown in FIG. 1, but a bowl-shaped flow body 28 is arranged in front of the filter inlet surface, the opening of which is directed towards the filter inlet surface.
  • the flow body 28 acts as a flame holder, and this measure ensures that a zone of low flow speed is formed by the recirculation of the exhaust gas flow, so that the flame speed can be greater than or equal to the flow speed.
  • the pilot flame is thus stabilized in the area below the flow body. It can also be advantageous in this case for the flow body 28 to have a central opening in order to ensure that the flame is deflected in the direction of the filter surface and thus its ignition property is improved.
  • the flow body can also be designed as a wall 29 provided with openings and arranged transversely to the exhaust gas flow.
  • the secondary energy was supplied via a resistance heating wire 30 or a plurality of heating wires of this type.
  • a resistance heating wire 30 or a plurality of heating wires of this type.
  • two heating wire arrangements 30a and 30b are arranged behind the wall 29 in the flow direction so that they lie in the flow shadow.
  • a spark gap 31 As shown in FIG. 5.
  • the secondary energy can be introduced into partial filter areas via resistance wires or one or more spark gaps, as shown in FIG. 8.
  • a controller 40 with time control triggers the control of the subareas depending on the respective operating states.
  • the duration of the supply of the secondary energy will be short in relation to the oxidation time of the particles deposited in the filter system.
  • the duration of the supply of secondary energy can be approximately sec with a regeneration duration of approximately 2 min.
  • FIG. 9 A further advantageous embodiment of the invention is shown in FIG. 9.
  • the plate 43 can be designed as a wire mesh, as a sheet metal provided with openings, as a porous, gas-permeable body or in another suitable manner.
  • the compressed air is introduced from container 11 via line 12, control device 13, line 14 and nozzle 15 into space 41.
  • the cleaned gases are discharged in the direction of arrow 44 via pipeline 45.
  • FIG. 10 A further advantageous embodiment is shown in FIG. 10.
  • a conical plate 47 is arranged in a space 46 following the cylindrical space 4 in the direction of flow, which in turn acts as a wire mesh, as a sheet metal provided with openings , can be formed as a porous body or in another suitable manner.
  • the cleaned gas can flow out in the direction of arrow 48 through a central opening 49 of the conical plate 47.
  • Compressed air is introduced into the space 46 from the container 11 via line 12, control device 13, line 14 and nozzle 50.
  • FIGS. 11 and 12 show a further preferred embodiment, which corresponds to the embodiment of FIG. 10 on the side of the filter outlet surface.
  • the secondary energy is not supplied by resistance heating as in the case of the objects in FIGS. 9 and 10, but by a wire network 51, in which ignition sparks jump over at the crossing points of the wires after a suitable voltage has been applied. This enables a particularly uniform introduction of the secondary energy distributed over the filter inlet area.
  • the invention is not restricted to the exemplary embodiments shown and described.
  • the present invention advantageously enables reliable cleaning of the filter by oxidation in all operating states, so that both excessive temperatures which endanger the filter and blockages of the filter which impair the operation of the machine are excluded.

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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)
EP86114134A 1985-10-26 1986-10-13 Procédé d'oxydation de la suie accumulée dans les filtres de suie Expired - Lifetime EP0220588B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853538155 DE3538155A1 (de) 1985-10-26 1985-10-26 Verfahren zur oxidation von in russfiltersystemen abgelagerten partikeln
DE3538155 1985-10-26

Publications (3)

Publication Number Publication Date
EP0220588A2 true EP0220588A2 (fr) 1987-05-06
EP0220588A3 EP0220588A3 (en) 1988-03-23
EP0220588B1 EP0220588B1 (fr) 1990-06-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP86114134A Expired - Lifetime EP0220588B1 (fr) 1985-10-26 1986-10-13 Procédé d'oxydation de la suie accumulée dans les filtres de suie

Country Status (3)

Country Link
US (1) US4730454A (fr)
EP (1) EP0220588B1 (fr)
DE (2) DE3538155A1 (fr)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989001088A1 (fr) * 1987-08-03 1989-02-09 Jovan Matijas Procede et dispositif pour separer des particules de suie et purifier des gaz d'echappement provenant d'un moteur a combustion interne
EP0308525A1 (fr) * 1987-09-22 1989-03-29 Asahi Glass Company Ltd. Dispositif pour traiter des particules dans un gaz d'échappement pour un moteur Diesel
DE3803100A1 (de) * 1988-02-03 1989-08-17 Gillet Heinrich Gmbh Verfahren und vorrichtung zum regenerieren von russfiltern
EP0308972A3 (en) * 1987-09-25 1990-05-16 Asahi Glass Company Ltd. Apparatus and method for treating an exhaust gas from a diesel engine
EP0469237A1 (fr) * 1990-08-03 1992-02-05 STROMERZEUGUNG GmbH & CO. ANLAGENBAU KG Procédé et dispositif pour convertir des molécules dans un courant de fluide
EP0486620A4 (en) * 1990-05-29 1993-07-07 Caterpillar Inc. Particulate trap regeneration apparatus and method
US5253476A (en) * 1992-02-21 1993-10-19 Northeastern University Pulsed, reverse-flow, regenerated diesel trap capturing soot, ash and PAH's
US5426936A (en) * 1992-02-21 1995-06-27 Northeastern University Diesel engine exhaust gas recirculation system for NOx control incorporating a compressed air regenerative particulate control system
EP0703352A3 (fr) * 1994-08-08 1996-06-26 Toyota Motor Co Ltd Procédé de régénération d'un filtre à particules et système de commande d'émissions d'échappement avec filtre à particules
WO2009005663A1 (fr) * 2007-06-29 2009-01-08 Caterpillar Inc. Système de purge de filtre utilisant une hélice réactive
EP1911944A3 (fr) * 2006-10-11 2009-03-11 International Engine Intellectual Property Company, LLC. Mélangeur de gaz d'échappement du tuyau de sortie et procédé
US8157897B2 (en) 2007-06-29 2012-04-17 Caterpillar Inc. Filter purge system utilizing impact wave generating device and vacuum source
CN101586489B (zh) * 2008-05-19 2013-01-23 通用汽车环球科技运作公司 在dpf再生模式下冷却热排放的新鲜空气旁路
EP2554808A4 (fr) * 2010-03-26 2015-12-30 Yanmar Co Ltd Procédé et dispositif permettant de nettoyer un filtre pour éliminer de la matière particulaire
EP3636889A1 (fr) * 2018-10-10 2020-04-15 Ceramex Ltd Procédé de nettoyage et / ou de contrôle d'un objet perméable au gaz, approprié au nettoyage des gaz d'échappement d'un moteur à combustion interne ainsi que dispositif correspondant

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DE3600373C2 (de) * 1985-02-12 1995-06-01 Fev Motorentech Gmbh Partikelfiltersystem mit porösem Filtermaterial für gasförmige Medien
DE3723544A1 (de) * 1987-07-16 1989-01-26 Man Technologie Gmbh Elektrostatischer filter zum reinigen von gasen
KR930000473B1 (ko) * 1987-07-20 1993-01-21 미쯔비시지도오샤고오교오 가부시기가이샤 디이젤엔진의 배기정화장치
GB2209290B (en) * 1987-09-04 1991-07-10 Mann & Hummel Filter Process and apparatus for the burning off of carbon (soot) deposited on exhaust gas filters
DE3821143A1 (de) * 1987-09-04 1989-03-16 Mann & Hummel Filter Verfahren und vorrichtung zum abbrennen von auf einem abgasfilter abgeschiedenem russ
DE3729857C1 (en) * 1987-09-05 1988-11-17 Uni Cardan Ag Method for the regeneration of a soot separator
JPH0823288B2 (ja) * 1988-09-08 1996-03-06 旭硝子株式会社 パティキュレートトラップ装置
JPH02185611A (ja) * 1989-01-10 1990-07-20 Asahi Glass Co Ltd 排気黒煙除去装置
DE69003948T2 (de) * 1989-07-12 1994-04-07 Ahlstroem Oy Vorrichtung zur Abtrennung von teilchenförmigem Material aus heissen Gasen.
US4986069A (en) * 1989-08-29 1991-01-22 Donaldson Company, Inc. Engine exhaust particle trap captured mass sensor
JPH0710022Y2 (ja) * 1989-10-06 1995-03-08 京セラ株式会社 パティキュレートトラップフィルタの再生装置
US5251564A (en) * 1990-04-26 1993-10-12 Rim Julius J Combustion box exhaust filtration system and method
US5085049A (en) * 1990-07-09 1992-02-04 Rim Julius J Diesel engine exhaust filtration system and method
US5212948A (en) * 1990-09-27 1993-05-25 Donaldson Company, Inc. Trap apparatus with bypass
DE4041127A1 (de) * 1990-12-21 1992-02-20 Daimler Benz Ag Verfahren zur verringerung der schadstoffemission der verbrennungsabgase von dieselmotoren
JPH04103215U (ja) * 1991-01-16 1992-09-07 日野自動車工業株式会社 デイーゼルエンジンの排気フイルター
DE4138306A1 (de) * 1991-11-21 1993-05-27 Kloeckner Humboldt Deutz Ag Vorrichtung zur reinigung von abgasen von dieselbrennkraftmaschinen
US5457945A (en) * 1992-01-07 1995-10-17 Pall Corporation Regenerable diesel exhaust filter and heater
US5250094A (en) 1992-03-16 1993-10-05 Donaldson Company, Inc. Ceramic filter construction and method
US5355973A (en) * 1992-06-02 1994-10-18 Donaldson Company, Inc. Muffler with catalytic converter arrangement; and method
US5347809A (en) * 1993-03-12 1994-09-20 Caterpillar Inc. Apparatus and method for removing particulate from an exhaust gas filter
EP0765433A4 (fr) * 1994-06-14 2001-11-28 Univ Northeastern Systeme continu d'incineration de particules couple a un piege a particules, regenere par de l'air comprime, pour les gaz d'echappement d'un moteur diesel
DE19538810C2 (de) * 1994-10-18 1999-01-28 Nissan Motor Abgaspartikel-Oxidationsvorrichtung
DE19530749A1 (de) * 1995-08-22 1997-03-06 Hjs Fahrzeugtechnik Gmbh & Co Vorrichtung zum Entfernen von Rußpartikeln aus Abgasen
ES2292571T3 (es) * 2000-03-27 2008-03-16 Toyota Jidosha Kabushiki Kaisha Dispositivo de depuracion de gas de escape.
JP2002070531A (ja) * 2000-08-24 2002-03-08 Ibiden Co Ltd 排気ガス浄化装置、排気ガス浄化装置のケーシング構造
US6722123B2 (en) 2001-10-17 2004-04-20 Fleetguard, Inc. Exhaust aftertreatment device, including chemical mixing and acoustic effects
US6449947B1 (en) 2001-10-17 2002-09-17 Fleetguard, Inc. Low pressure injection and turbulent mixing in selective catalytic reduction system
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EP0703352A3 (fr) * 1994-08-08 1996-06-26 Toyota Motor Co Ltd Procédé de régénération d'un filtre à particules et système de commande d'émissions d'échappement avec filtre à particules
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WO2009005663A1 (fr) * 2007-06-29 2009-01-08 Caterpillar Inc. Système de purge de filtre utilisant une hélice réactive
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CN101586489B (zh) * 2008-05-19 2013-01-23 通用汽车环球科技运作公司 在dpf再生模式下冷却热排放的新鲜空气旁路
EP2554808A4 (fr) * 2010-03-26 2015-12-30 Yanmar Co Ltd Procédé et dispositif permettant de nettoyer un filtre pour éliminer de la matière particulaire
EP3636889A1 (fr) * 2018-10-10 2020-04-15 Ceramex Ltd Procédé de nettoyage et / ou de contrôle d'un objet perméable au gaz, approprié au nettoyage des gaz d'échappement d'un moteur à combustion interne ainsi que dispositif correspondant
WO2020074643A1 (fr) * 2018-10-10 2020-04-16 Ceramex Ltd Épuration et/ou essai d'un article perméable aux gaz destiné à être utilisé dans le traitement des gaz d'échappement d'un moteur à combustion interne

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US4730454A (en) 1988-03-15
DE3538155A1 (de) 1987-04-30
DE3671936D1 (de) 1990-07-19
EP0220588A3 (en) 1988-03-23
EP0220588B1 (fr) 1990-06-13

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