WO2013120804A1 - Dispositif et procédé de production de gaz chauds et système de filtre à particules diesel - Google Patents

Dispositif et procédé de production de gaz chauds et système de filtre à particules diesel Download PDF

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Publication number
WO2013120804A1
WO2013120804A1 PCT/EP2013/052681 EP2013052681W WO2013120804A1 WO 2013120804 A1 WO2013120804 A1 WO 2013120804A1 EP 2013052681 W EP2013052681 W EP 2013052681W WO 2013120804 A1 WO2013120804 A1 WO 2013120804A1
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WO
WIPO (PCT)
Prior art keywords
combustion chamber
fuel
gas
air
combustion
Prior art date
Application number
PCT/EP2013/052681
Other languages
German (de)
English (en)
Inventor
Waldemar Karsten
Original Assignee
Physitron Gmbh
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 Physitron Gmbh filed Critical Physitron Gmbh
Publication of WO2013120804A1 publication Critical patent/WO2013120804A1/fr

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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
    • F01N3/08—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
    • F01N3/36—Arrangements for supply of additional fuel
    • 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
    • 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
    • F01N2240/14—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 fuel burner
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
    • F23D2900/21—Burners specially adapted for a particular use
    • F23D2900/21006—Burners specially adapted for a particular use for heating a catalyst in a car

Definitions

  • the invention relates to a device and a method for producing hot gas, in particular for the regeneration of Pumblefiitern, and a diesel particulate filter system.
  • DE 102006015841 B3 discloses an apparatus and a method for producing hot gas, in particular for the regeneration of particle filters.
  • US 2011/0197570 A1 describes a burner for increasing the temperature of a gas stream, such as an exhaust gas stream, to burn particulate matter or unburned hydrocarbons in the exhaust gas.
  • DE 195 04 183 A1 further proposes a full-flow burner for the thermal regeneration of a particulate filter in an exhaust aftertreatment system of an internal combustion engine, in particular a diesel engine, which is arranged in the exhaust gas pipe, in particular in an extended rectilinear coaxial exhaust gas pipe section. This allows a particle filter to be flowed axially, which means a simplified construction and a good temperature distribution.
  • DE 2 035 591 A describes a device for the after-combustion of combustible residues in engine exhaust gases of internal combustion engines, comprising a after-combustion chamber delimited by a jacket and connected to the exhaust pipe of the engine, means for supplying additional air to the after-combustion chamber, and a heat exchanger for preheating the additional air by the exhaust gases of the post-combustion chamber, wherein the heat exchanger is arranged enveloping the Nachbrrennhunt so that the additional air circulates in a circumferential region against the flow direction of the exhaust gases, in an intermediate region between this peripheral region and the jacket of the post-combustion chamber.
  • an apparatus for generating hot gas in which the fuel gas in its passage between the Brennleton experiences at least a two-fold reversal.
  • Fuel is supplied to the first combustion chamber to start combustion there.
  • the fuel gas generated in the first combustion chamber then flows into the second combustion chamber, its direction being reversed, and finally into the third combustion chamber via the second combustion chamber, the direction of the fuel gas being again reversed.
  • a fuel-air mixture can be additionally introduced into the third combustion chamber.
  • Non-road engines include: lawn mowers and vacuum cleaners, pleasure boats, rail, aviation, construction equipment (e.g., excavators), agricultural equipment (e.g., tractors), industrial equipment (e.g., forklifts), utility equipment (e.g., generators and pumps).
  • FIG. 1 is a sectional view of an embodiment of a device according to the invention.
  • FIG. 1 shows an embodiment of a device according to the invention for producing hot gas, that is to say a burner 10.
  • the burner 0 has a housing wall 12.
  • the housing wall 12 has an eccentric inlet opening 14 for an air flow 16 which is produced, for example, by a blower.
  • the inlet opening 14 is aligned in the axial direction.
  • the housing wall 12 has an eccentric opening 18 with an internal thread into which a Flammgiühkerze 20 is screwed.
  • the flame glowing candle 20 is also axially aligned.
  • the flame glow plug 20 may be a commercially available flame glow plug, for example the manufacturer BERU or BOSCH.
  • the Fiammglühkerze 20 has a fuel passage 22, can be passed through the fuel via the flame glow plug 20 into a first combustion chamber 24.
  • the fuel runs along a glow plug of the flame glow plug 20 into a mixing chamber of the flame glow plug 20, which is surrounded by a protective tube 26 of the Fiammglühkerze 20.
  • the protective tube 26 has holes 28 through which a first part 30 of the air flow 16 can enter the mixing chamber. There, this part 30 of the air flow 16 with the fuel, the channel 22 via the fuel passes to the mixing chamber, mixed, so that a fuel-air mixture is formed.
  • This fuel-air mixture can be ignited by an annealing coil of the Fiammglühkerze 20.
  • the burner 10 has a further fuel supply, which has a fuel line 32.
  • the fuel line 32 extends in the axial direction of the burner 10 through the housing wall 12 therethrough.
  • the burner 10 except for the inlet opening 14 and the opening 18 and the Fiammglühkerze 20 - annular or rotationally symmetrical, in particular cylindrically shaped.
  • the fuel line 32 extends preferably along the central axis, in particular the axis of rotation, of the burner 10.
  • the combustion chamber 24 has a closed end 34 and an open end 36.
  • the combustion chamber 24 may be hollow-cylindrical, as shown in FIG.
  • on the inner wall 38 of the combustion chamber 24 means for increasing the surface of the inner wall 38 are arranged to receive due to the Leydenfrost effect resulting fuel droplets in the first combustion chamber and to burn there under oxygen deficiency. This suppresses in particular the so-called white smoke formation due to unused fuel in the starting phase of the burner.
  • the means for enlarging the surface may be a wire mesh 40 which is arranged on the inner wall 38 in the direction 42 behind the protective tube 26 of the flame glow plug 20.
  • the wire mesh 40 should be so tight that liquid fuel entering the combustion chamber 24 via the fuel channel 22 will not be blown out of the combustion chamber 24, but will be conveyed along the wire mesh 40 by capillary action.
  • the wire mesh 40 has a platinum coating for increasing the temperature of the inner wall 38 during the firing process. As a result, a first part 30 of the air stream 16 is warmed up via the inner wall 38 and, when the burner 10 is shut down, any remaining or resulting fuel vapors are catalytically oxidized when the flame glow plug 20 is blown out.
  • wire knit instead of a wire knit, a wire knit, a wire mesh or a ceramic or metal foam can be used.
  • the first combustion chamber 24 is connected to a second combustion chamber 46 via a first connection 44.
  • the combustion chamber 46 encloses the combustion chamber 24 and is, for example, also annular or hollow cylindrical. From the first combustion chamber in the direction 42, that is, from the open end effluent combustion Gas is passed via the connection 44 into the combustion chamber 46, wherein the fuel gas undergoes a reversal of direction, that is, for example, a 180 ° return, so that the direction 48 of the flow of fuel gas in the combustion chamber 46 of the direction 42 is opposite.
  • the combustion chamber 46 is connected via a connection 50 to a third combustion chamber 52, wherein the combustion chamber 52 encloses the combustion chamber 46 and thus also the combustion chamber 24.
  • the combustion chamber 52 can likewise be annular or hollow-cylindrical.
  • the fuel gas from the combustion chamber 46 can flow into the combustion chamber 52, wherein it again undergoes a reversal of direction by for example 180 °, so that it flows in the combustion chamber 52 in the direction 54, which is opposite to the direction 48.
  • further combustion chambers may be disposed between the combustion chamber 46 and the combustion chamber, wherein in each case upon passage of the fuel gas from one combustion chamber to the next direction reversal.
  • the combustion chambers 24, 46 and 52 are spaced in the axial direction of the housing wall 12, as shown in Figure 1, so that between the housing wall 12 and the combustion chambers 24, 46 and 52, a first portion 56 of an air supply channel is formed.
  • the first section of the air supply channel is adjoined by a second section 58 of the air supply channel, which runs in the axial direction and through the first combustion chamber 24.
  • the second section 58 of the air supply duct extends through the inner radius of the hollow cylindrical form.
  • the second portion 58 envelops the fuel line 32 so that the fuel delivered through the fuel line 32 fuel through the portion of the air flow, which flows through the portion 58, is cooled.
  • the flame glow plug 20 protrudes through the section 56 of the air supply channel into the combustion chamber 24, so that the portion of the flame glow plug 20 extending through the section 56 is surrounded by a portion of the air flow 16, so that the flame glow plug 20 is cooled , As a result, overheating of the flame glow plug 20 is avoided.
  • an air bypass line 60 is arranged in the axial direction, which extends along the second portion 58. Via the air bypass line 60, the first part of the air flow 16 flows through the inner wall 38 into the combustion chamber 24, namely at its closed end 34.
  • the air bypass line 60 may have an air inlet bore 62, through which a part of the air flow 16, which flows through the portion 58, is branched off into the air bypass line 60.
  • This branched-off part of the air flow hereby experiences a reversal of direction and flows in the direction 64, which is opposite to the direction 66 of the flow in the section 58 of the air supply duct.
  • the air bypass line 60 opens into the closed end 34 of the combustion chamber 24 and a portion of the air flowing from the air bypass line 60 strikes the protective tube 26 of the flame glow plug 20 and the holes 28 to be in the mixing chamber with the fuel flowing through the fuel passage 22 to mix. This causes an initial ignition of the resulting fuel-air mixture.
  • swirl blades 68 may be arranged in the first combustion chamber 24.
  • the swirl vanes 68 are formed on the inside of the outer wall 70 of the combustion chamber 24, and in the direction 42 of the flow of the fuel gas through the Combustion chamber 24 inclined to swirl the fuel gas in the combustion chamber 24 and to bring in a rotary motion.
  • the air supply passage has a third portion 72 which extends along the connection 44 and then extends along the second combustion chamber 46 in the axial direction.
  • the section 72 opens into the third combustion chamber 52, so that the air flowing through the section 72 impinges on the fuel gas passing through the connection 50.
  • a Kraftstoffverteilerplat- te 74 is arranged.
  • the fuel rail plate has openings 76 to the portion 72 through which fuel can pass.
  • the fuel line 32 terminates in the fuel rail 74 so that the fuel delivered through the fuel line 32 can pass through the fuel rail 74 and its ports 76 to the air passing through the section 72 to form a fuel-air mixture.
  • the burner 10 At its end opposite the housing wall 12, the burner 10 has an outlet opening 78 for the resulting hot gas.
  • the outlet opening 78 is, for example, circular and is formed by a housing wall 80 of the burner 10, which is opposite the housing wall 12.
  • the fuel gas flows out of the combustion chamber 52 along the housing wall 80 and thus reaches the outlet opening 78.
  • it flows along a streamline body 82 which is arranged on the fuel distributor plate 74.
  • the flow line body 82 may be rotationally symmetrical and tapers in the direction of the outlet opening 78.
  • the flow line body 82 is a hollow body in order to limit the heating of the fuel distributor plate by the exiting hot gas.
  • an opening 84 can be provided in the housing of the burner 10, through which exhaust gas 86 can be sucked in and flow in due to the Bernoulli effect.
  • an air inlet line 88 may be arranged to direct a second portion of the air from the first portion 56 into the combustion chamber 52.
  • the air inlet line 88 is preferably oriented so that this second part of the air flows with a twist along the inside of the outer wall 89 of the combustion chamber 52, for example helically, in order to additionally provide oxygen in the combustion chamber 52 and at the same time for cooling the inside of the outer wall 89th
  • the supply of the fuel via the fuel channel 22 by starting a fuel pump and, for example, a fan for supplying the air flow 16 are started.
  • This fuel mixes with the part of the air flow, which reaches the mixing chamber of the flame glow plug 20 via the air bypass line 60, so that rich fuel-air mixture is formed.
  • This fuel-air mixture is ignited by the flame glow plug 20, so that an initial flame in the combustion chamber 24 results.
  • the wire mesh 40 is heated, so that the escape of fuel droplets from the open end 36 of the combustion chamber 24 is prevented.
  • the fuel gas is further swirled in the combustion chamber 24 by the swirl vanes 68 and set in swirling motion and flows from the open end 36 via the connection 44 into the combustion chamber 46.
  • the fuel gas flows via the connection 50 into the combustion chamber 52
  • the fuel gas strikes the part of the air flow which flows into the combustion chamber 52 via the section 72 of the air supply duct.
  • the fuel gas swirls with this part of the airflow and burns, resulting in the hot gas flowing out of the exhaust port 78.
  • the fuel supply takes place only via the fuel passage 22, but not via the Kraftstoffieitung 32.
  • the Brennerieis- tion which can reach the burner 10 so is adjustable and is between 3 and 27 kW.
  • the burner output can be increased up to 300kW via the second operating mode.
  • the burner 10 After the burner 10 has heated up in this first mode, it is possible to proceed to a second mode of operation of the burner to substantially increase the power.
  • fuel is supplied to the burner 10 via the fuel line 32 via a second fuel pump, and the intensity of the air flow 16 is increased.
  • the fuel flows via the fuel line 32 into the already heated fuel distributor plate 74 and from there into the section 72.
  • the fuel gas at the end of the connection 50 does not encounter an air flow, as in the first mode, but a fuel-air mixture flowing out of the portion 72.
  • This fuel-air mixture is ignited by the fuel gas, which leads to a significant increase in performance, for example up to 300 kW.
  • the exhaust gas 86 flowing in through the opening 84 can have an air content of, for example, 10% to 15%, so that further combustion air is available for completely burning the fuel-air mixture.
  • the compact design of the burner 10, in particular the low height which is made possible by the at least two-fold reversal of the direction of the fuel gas in combination with the high, yet controllable burner performance with optimum environmental compatibility.
  • additional direction reversals and corresponding additional combustion chambers may be provided.
  • FIG. 2 shows a diesel particulate filter system 90 with the burner 10.
  • the burner 10 is located in an exhaust pipe 92 through which exhaust gas 86 of a diesel engine 94 flows.
  • the geometry of the exhaust pipe 92 is formed so that the exhaust gas flows to the burner 10 side, so that the burner 10 is cooled by the exhaust gas, which may for example have a temperature of 150 ° C.
  • Part of the exhaust gas is sucked through the openings 84 in the burner 10 due to the Bernoulli effect, where it contributes to the combustion of the fuel gas.
  • Another part of the exhaust gas flows past the burner 10 and strikes the hot gas generated by the burner 10 at its outlet opening 78.
  • the hot gas which may have a temperature of for example 300 to 1000 ° C, mixed with this part of the Exhaust gas 86, so that, for example, a regeneration temperature of 400 ° C results.
  • the gas mixture resulting from the mixture of the hot gas with the exhaust gas then impinges on a particle filter 96, the Rußpartikei are thereby burned.
  • control device 98 which is e.g. controls a pumping device for the fuel and a fan.
  • control device 98 is connected to a pressure sensor 100 in the exhaust line 92 and to a pressure sensor 102 which measures the pressure of the ambient air.
  • the control device 98 determines the pressure difference of the pressures determined by the pressure sensors 100 and 102. As soon as the pressure difference exceeds a threshold value, this means that the particulate filter 96 charges with soot particles and regeneration of the particulate filter 96 is required. Thereafter, the control device 98 starts the burner 10 automatically or manue! triggered by the driver of the engine by first operating the burner 10 in the first mode and then subsequently in the second mode to produce hot gas with a correspondingly high power, regardless of the current operating condition of the diesel engine 94.
  • the regeneration of the particulate filter 96 in any operating condition of the diesel engine be it under high load, under light load or even with the diesel engine switched off, 94, in the latter case, the hot gas is generated without the exhaust gas 86, so that the performance of the fan of the control 98 is then raised accordingly to compensate for this.
  • the burner output is controlled via the temperature sensor 103, which is located in the exhaust pipe 92 in front of the particle filter. So that the particle filter is not overheated during the regeneration phase (exhaust-gas temperatures, for example,> 700 ° C.), the regeneration temperature is monitored via the second temperature sensor 104 behind the particle filter.
  • the max. Regeneration temperature sensed by the temperature sensor 104, so will reduce the amount of fuel in the fuel line 32 and the fuel passage 22 via the controller 105 and the controller 95.
  • the amount of air in the air line 16 is adapted to the burner power and regulated by the controller 95.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Processes For Solid Components From Exhaust (AREA)

Abstract

L'invention concerne un dispositif de production de gaz chauds comprenant - un orifice d'admission (14) d'un flux d'air (16), lequel étant conçu dans une paroi du carter (12), - au moins une première (24), deuxième (46) et troisième (52) chambres de combustion situées en direction axiale à une certaine distance de la paroi de carter (12), une première section (56) d'un canal d'alimentation en air se formant entre les chambres de combustion et la paroi de carter dans laquelle débouche l'orifice d'admission, la première chambre de combustion présentant une extrémité fermée (34) et une extrémité ouverte (36), - une deuxième section (58) du canal d'alimentation en air traversant la première chambre de combustion (24) en direction axiale, - une bougie de préchauffage (20) disposée dans une première alimentation de carburant (22) et qui traverse la première section de la première chambre de combustion, - au moins une conduite d'alimentation en air (60), pour diriger une première partie du flux d'air à travers la bougie de préchauffage dans la première chambre de combustion afin de produire un gaz combustible, - une deuxième alimentation de carburant avec une conduite de carburant (32) traversant la première section et la deuxième section.
PCT/EP2013/052681 2012-02-14 2013-02-11 Dispositif et procédé de production de gaz chauds et système de filtre à particules diesel WO2013120804A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012202195.7 2012-02-14
DE201210202195 DE102012202195B3 (de) 2012-02-14 2012-02-14 Vorrichtung und Verfahren zur Erzeugung von Heißgas und Dieselpartikelfiltersystem

Publications (1)

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WO2013120804A1 true WO2013120804A1 (fr) 2013-08-22

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DE (1) DE102012202195B3 (fr)
WO (1) WO2013120804A1 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2035591A1 (de) 1969-07-17 1971-04-29 Societe De Constructions Mecaniques Panhard & Levassor, Paris Vorrichtung fur die Nach Verbrennung von Motorabgasen von Kraftfahrzeugen
EP0250829A1 (fr) * 1986-06-30 1988-01-07 Robert Bosch Gmbh Dispositif pour la combustion des particules solides contenues dans les gaz d'échappement des moteurs à combustion interne
US5427746A (en) * 1994-03-08 1995-06-27 W. R. Grace & Co.-Conn. Flow modification devices for reducing emissions from thermal voc oxidizers
DE19504183A1 (de) 1995-02-09 1996-08-14 Eberspaecher J Brenner zur thermischen Regeneration eines Partikelfilters in einem Abgasnachbehandlungssystem eines Verbrennungsmotors, insbesondere Dieselmotors
DE102006015841B3 (de) 2006-04-03 2007-08-02 TWK Engineering Entwicklungstechnik (GbR) (vertretungsberechtigte Gesellschafter Herrn Thomas Winter, Jagdhaus am Breitenberg, 56244 Ötzingen und Herrn Waldemar Karsten, Am Merzenborn 6, 56422 Wirges) Verfahren zur Erzeugung von Heißgas
EP1939419A1 (fr) * 2006-12-19 2008-07-02 J. Eberspächer GmbH & Co. KG Système d'échappement pour moteurs à combustion interne
US20110197570A1 (en) 2010-02-18 2011-08-18 Nett Technologies Inc. Burner for Heating a Stream of Gas
DE102010013011A1 (de) * 2010-03-26 2011-09-29 J. Eberspächer GmbH & Co. KG Luftversorgungseinrichtung, Ventil und Brenner

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2035591A1 (de) 1969-07-17 1971-04-29 Societe De Constructions Mecaniques Panhard & Levassor, Paris Vorrichtung fur die Nach Verbrennung von Motorabgasen von Kraftfahrzeugen
EP0250829A1 (fr) * 1986-06-30 1988-01-07 Robert Bosch Gmbh Dispositif pour la combustion des particules solides contenues dans les gaz d'échappement des moteurs à combustion interne
US5427746A (en) * 1994-03-08 1995-06-27 W. R. Grace & Co.-Conn. Flow modification devices for reducing emissions from thermal voc oxidizers
DE19504183A1 (de) 1995-02-09 1996-08-14 Eberspaecher J Brenner zur thermischen Regeneration eines Partikelfilters in einem Abgasnachbehandlungssystem eines Verbrennungsmotors, insbesondere Dieselmotors
DE102006015841B3 (de) 2006-04-03 2007-08-02 TWK Engineering Entwicklungstechnik (GbR) (vertretungsberechtigte Gesellschafter Herrn Thomas Winter, Jagdhaus am Breitenberg, 56244 Ötzingen und Herrn Waldemar Karsten, Am Merzenborn 6, 56422 Wirges) Verfahren zur Erzeugung von Heißgas
EP1939419A1 (fr) * 2006-12-19 2008-07-02 J. Eberspächer GmbH & Co. KG Système d'échappement pour moteurs à combustion interne
US20110197570A1 (en) 2010-02-18 2011-08-18 Nett Technologies Inc. Burner for Heating a Stream of Gas
DE102010013011A1 (de) * 2010-03-26 2011-09-29 J. Eberspächer GmbH & Co. KG Luftversorgungseinrichtung, Ventil und Brenner

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