WO2012016817A1 - Brûleur à pulvérisation stable en cas de faible contre-pression - Google Patents

Brûleur à pulvérisation stable en cas de faible contre-pression Download PDF

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Publication number
WO2012016817A1
WO2012016817A1 PCT/EP2011/062281 EP2011062281W WO2012016817A1 WO 2012016817 A1 WO2012016817 A1 WO 2012016817A1 EP 2011062281 W EP2011062281 W EP 2011062281W WO 2012016817 A1 WO2012016817 A1 WO 2012016817A1
Authority
WO
WIPO (PCT)
Prior art keywords
fuel
air supply
supply line
burner
air
Prior art date
Application number
PCT/EP2011/062281
Other languages
German (de)
English (en)
Inventor
Bjoern Damson
Original Assignee
Robert Bosch 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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Priority to US13/814,016 priority Critical patent/US20130133314A1/en
Priority to JP2013522181A priority patent/JP5705318B2/ja
Publication of WO2012016817A1 publication Critical patent/WO2012016817A1/fr

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
    • F01N3/025—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
    • 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
    • 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
    • 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
    • F01N3/08—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
    • F01N3/38—Arrangements for igniting
    • 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

Definitions

  • Particulate filter systems for retaining particulate pollutants.
  • exhaust gases are passed through a heat-resistant filter medium.
  • the retained by the filter medium particles which in particular have diameters in the range of 10 to 5000 nm, occupy the filter, which comes to increase the pressure loss across the filter, which makes a continuous or intermittent regeneration of the filter medium necessary.
  • the regeneration is generally carried out by almost residue-free combustion of the deposited soot particles with oxygen.
  • ignition temperatures of about 600 ° C are necessary for combustion, which are rarely achieved in the exhaust gas of a self-igniting internal combustion engine even at full load. It is known to provide for this purpose a burner to a
  • Combustion engine and particulate filter is arranged and increases without the provision of an ignitable fuel mixture, the exhaust gas temperature.
  • catalytic burner post-engine injected fuel is attached to one
  • Combustion device comprising a combustion chamber and a burner, wherein metered fuel and metered combustion air is mixed to form an ignitable fuel-air mixture.
  • the fuel-air mixture formed in the combustion chamber is ignited by an igniter, the hot fuel gases are mixed with the exhaust gases and raise the exhaust gas temperature so far that the accumulated in the particulate filter
  • Oxidize soot particles are fan burners with a pressure atomizing nozzle. In general, it is needed for sufficient heating of the exhaust stream
  • Burner power as a function of engine operation wherein the burner power is adapted to the current operating point of the internal combustion engine. If the entire exhaust gas flow is brought to the required combustion temperature, a high burner output is required, resulting in higher fuel consumption. To achieve an ignitable fuel-air mixture therefore a large amount of air is required, with a large burner is necessary.
  • the air supply which essentially takes place from a compressed air reservoir or via an electrically operated air pump, thus heavily loads the vehicle electrical system due to the relatively high power consumption of the associated electric motor, which can lead to disruptions, especially at low internal combustion engine speeds.
  • DE 10 2009 051 327 A1 relates to a method for controlling a temperature of a combustion air of an oil burner.
  • the supply of the combustion air to a mixing zone of the burner can be carried out in dependence on an operating mode by a first and / or by a first and a second supply path, wherein heat is supplied to the combustion air in different ways.
  • From DE 38 26 446 A1 also atomizing burners are known for liquid fuels, with heavy oil is fed with a primary air flow in a nozzle tube, which is surrounded by a jacket tube, via which secondary air is supplied.
  • combustion air supply provides a primary air supply line for the treatment of the fuel and comprises a secondary air supply line which supplies combustion air to produce an ignitable fuel-air mixture.
  • a particulate filter of an exhaust aftertreatment system starting from known filter bodies, for example filter channels, filter meshes or filter pockets made of ceramic or sintered metallic material, particles build up over time.
  • Particle structures may be so pronounced that the exhaust gas flow through the
  • the particle filter is therefore regenerated during operation either continuously or periodically with hot air.
  • the temperature required for the regeneration of the particulate filter in the exhaust stream of a combustion device in particular a burner with a combustion chamber and an atomizer is generated, wherein the combustion air to the burner via a primary and a secondary air supply line is supplied.
  • the fuel preparation at the atomizer is on the primary air supply line, a primary air mass flow available, which can be supplied largely independent of the burner power.
  • the air supply is carried out next to the primary air supply line further via the secondary air supply line, the back pressure at the atomizer can be kept substantially constant at a low level.
  • a primary air mass flow is fed to the atomizing device via the primary air supply line, which atomizes the injected fuel finely.
  • the additional air supply line allows a
  • the secondary air supply line opens directly into the combustion chamber, wherein the fine aerosol of fuel mist and combustion air generated by the atomizer mixed with the secondary air mass flow.
  • This arrangement can be made very simple, so that the cost of this device can be kept low. Further, in this arrangement, the back pressure remains at a low level because there is no throttle restriction in the secondary air supply line.
  • the secondary air mass flow of the atomizer can be supplied in a manner that the atomization of the injected fuel is influenced and substantially improved with regard to the achieved fuel droplet size and the homogenization.
  • influence can be taken on the flame generated at the burner, for example, by imparting first a twist and optionally secondly a constriction on the forming flame, with a flame stability is achieved even in still different air conditions.
  • the atomizing device may for example have a nozzle tube which is surrounded by a jacket tube.
  • a jacket tube On the jacket tube lateral openings for introducing the secondary air mass flow are provided in the annular space formed.
  • Flow rate of the primary air mass flow or a correspondingly large speed difference to the fuel flow can be used to atomize the fuel.
  • the metering of the combustion air is generally controlled by a control device.
  • the air supply via a solenoid valve from a compressed air reservoir or by an electrically operated air pump, for example via a vane pump, a claw pump or a rotary lobe pump.
  • the device according to the invention is in at least one of
  • Air supply lines arranged a pressure control valve, preferably in the secondary
  • the pressure control valve in the air supply line may be designed as a simple mechanical pressure valve or be a controllable pressure control valve.
  • the combustion air is supplied to the burner from a pressure to be determined in the air supply line via the primary and the secondary air supply line.
  • the increasing in large amounts of air counter pressure is limited wherein the atomization of the injected fuel can be carried out under optimized conditions and the stability of the flame is achieved in a simple and cost-effective manner.
  • the prevailing pressure is below the opening pressure of the arranged in at least one air supply line pressure control valve.
  • the amount of air is provided only via an air supply line of the preparation of the fuel.
  • Air volume increases, the back pressure increases and after exceeding the
  • the switching of the air supply via one or two air supply lines is arbitrarily adjustable, both the conditions at low burner power and at high
  • Burner performance can be accommodated.
  • the fuel to be injected with the air in particular the primary air mass flow supplied via the primary air supply line, before the
  • Atomizer is mixed and this mixture is supplied to the combustion chamber.
  • the fuel and the air mass flow at a junction of the lines, for example in the form of a tee, merged.
  • the combustible fuel-air mixture thus produced enters the atomizer premixed.
  • a reliable ignition of the fuel-air mixture is ensured, since the mixture is not generated in the combustion chamber, but outside of it, wherein an ignitable mixture can be adjusted with a certain air ratio.
  • a plurality of necessary components for example metering valves, check valves and / or pressure control valves, can be combined to form one component.
  • Figure 1 shows an exhaust gas treatment system according to the prior art
  • Figure 2 shows an embodiment of a device according to the invention for
  • Figure 3 shows an embodiment of a device according to the invention for
  • Figure 4 shows an alternative embodiment of the inventive device for
  • FIG. 1 shows, in a highly schematic illustration, an exhaust aftertreatment system 10 according to the prior art.
  • exhaust gases pass through an exhaust pipe 14 into a particle filter 16 via an interposed burner 18, wherein the burner 18 and the particulate filter 16 in a housing 20 in the flow direction of the exhaust gases
  • the fuel-air mixture generated by the supply of fuel 22 and air 24 is ignited via an ignition device 26 on the burner 18.
  • the emerging from the burner 18 hot gases mix in an anteroom 28 of the particulate filter 16 while raising the
  • the regeneration of the particulate filter 16 is usually carried out during operation of the internal combustion engine 12, wherein the residual oxygen in the exhaust gases for the operation of the burner 18 can be used.
  • the combustion air is supplied via an electrically operated air pump 30, which is driven by an electric motor, not shown.
  • the electric motor is connected to an onboard battery that is charged by the alternator (not shown). variants
  • Figure 2 is an embodiment of a device according to the invention for
  • the device for fuel treatment 100 comprises an atomizer 1 10, is processed with the injected fuel in a suitable manner, in particular atomized.
  • the atomizer 1 10 fuel is supplied via the supply 22, wherein, for example, for metering the fuel, a solenoid valve or a
  • Fuel pump is provided, which is driven by a controllable electric motor (not shown).
  • the fuel can be removed via a suction line a fuel tank of the internal combustion engine 12, wherein the flow rate can be varied by varying the rotational speed of the electric motor.
  • Combustion air is the burner 18 according to the invention via a primary air supply line 1 12 and a secondary
  • Air supply line 1 14 supplied.
  • the metering of the air supply takes place, for example, via a solenoid valve or via an electrically operated air pump (not shown).
  • the atomizer 1 10 which is designed for example as a swirl burner with a tangential fuel and / or air supply, the supplied fuel is finely atomized, forming an ignitable fuel-air mixture.
  • the atomizing device 110 of the burner 18 can be constructed, for example, as an annular nozzle, at whose annular atomizing tongue the fuel passes along and is finely atomized by a rotating air flow.
  • the aerosol generated entering a combustion chamber 1 16 is ignited in the usual way by an ignition device 26.
  • the use of ignition electrodes, glow plugs or an incandescent body is known.
  • a pressure regulating valve 1 18 is arranged in the secondary air supply line 1 14.
  • This pressure control valve 1 18 may be formed as a simple mechanical pressure control valve, which releases the secondary air supply line at a certain opening pressure.
  • the pressure regulating valve 1 18 may be formed as a controllable pressure control valve, in which the opening pressure can be varied, for example via a control device.
  • a modulatable device is available to the burner 18 with Supply combustion air.
  • the secondary air supply line 1 14 are kept closed, via the primary air supply line 1 12 a primary air mass flow of the atomization of the fuel is available. Accordingly, the atomization of the fuel with respect to the amount of air provided and the formation of the atomizer 1 10 can be optimized.
  • FIG. 3 shows an alternative embodiment of the fuel processing device 100 of a burner 18.
  • the secondary air supply line does not open directly in the combustion chamber 1 16, but in the atomizer 1 10.
  • the atomizer 1 10 has, for example, a central nozzle tube, in the fuel and a
  • the central nozzle tube surrounds a jacket tube which has openings through which the secondary mass flow is supplied.
  • the orientation of the openings can be such that a swirl is impressed. The generated flame is thereby stabilized and their direction determined.
  • Atomizer 1 10 can be maintained even if an air flow for cleaning and cooling the nozzle when the fuel and primary air supply is interrupted. The service life of such an atomizer 1 10 increases.
  • FIG. 4 shows a further exemplary embodiment of the device for fuel preparation 100 of a burner 18. The supply of fuel 22 flows into the primary
  • Air supply line 1 12 wherein via a suitable means fuel in the primary air supply line 1 12 is introduced.
  • the supply of the fuel 22 in a suction line of the air pump can open, for example, a vane pump.
  • the fuel is intimately mixed with the air and the generated aerosol is fed through a feed line 120 of the atomizer 1 10.
  • further combustion air can be supplied via the secondary air supply line 1 14 via a pressure regulating valve 1 18, which is mixed with the aerosol generated and ignited as an ignitable fuel-air mixture in the combustion chamber.
  • the fuel is metered, for example by means of a controllable fuel pump or by means of a Kraftstoffdosierventils 122.
  • In the primary air supply line 1 12 is a
  • Check valve 124 is provided. According to the invention, the multiple valves, pressure control valve, metering valve, check valve can be combined in one component.

Landscapes

  • 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)
  • Exhaust Gas After Treatment (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

L'invention concerne un dispositif de préparation de carburant (100) destiné à un brûleur (18) pour la régénération d'un filtre à particules (116) d'un système de traitement des gaz d'échappement comportant une conduite de gaz d'échappement (14) servant à évacuer un flux de gaz d'échappement chaud produit par un moteur à combustion interne (12), en particulier un moteur à combustion interne à auto-allumage. Le dispositif de préparation du carburant (100) présente un dispositif de pulvérisation (110) servant à préparer le carburant, une chambre de combustion (116), un dispositif d'allumage (26) et une alimentation en air de combustion (24). L'alimentation en air de combustion (24) présente une conduite d'amenée d'air primaire (112) pour la préparation du carburant et une conduite d'amenée d'air secondaire (114) pour l'amenée de l'air de combustion, afin de produire un mélange air-carburant explosif.
PCT/EP2011/062281 2010-08-04 2011-07-18 Brûleur à pulvérisation stable en cas de faible contre-pression WO2012016817A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US13/814,016 US20130133314A1 (en) 2010-08-04 2011-07-18 Burner with steady atomization at low back pressure
JP2013522181A JP5705318B2 (ja) 2010-08-04 2011-07-18 低い背圧で安定した噴霧を有するバーナ

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010038865.3 2010-08-04
DE102010038865A DE102010038865A1 (de) 2010-08-04 2010-08-04 Brenner mit stabiler Zerstäubung bei geringem Gegendruck

Publications (1)

Publication Number Publication Date
WO2012016817A1 true WO2012016817A1 (fr) 2012-02-09

Family

ID=44628732

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/062281 WO2012016817A1 (fr) 2010-08-04 2011-07-18 Brûleur à pulvérisation stable en cas de faible contre-pression

Country Status (4)

Country Link
US (1) US20130133314A1 (fr)
JP (1) JP5705318B2 (fr)
DE (1) DE102010038865A1 (fr)
WO (1) WO2012016817A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013231374A (ja) * 2012-04-27 2013-11-14 Hino Motors Ltd 排気浄化装置用バーナー

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202200006179A1 (it) * 2022-03-29 2023-09-29 Marelli Europe Spa Dispositivo riscaldatore per un sistema di scarico di un motore a combustione interna

Citations (5)

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Publication number Priority date Publication date Assignee Title
DE3826446A1 (de) 1988-08-04 1990-02-08 R & D Carbon Ltd Zerstaeuberbrenner fuer fluessige brennstoffe
DE10024254A1 (de) 2000-05-17 2001-12-06 Bosch Gmbh Robert Vorrichtung zur Abgasbehandlung
US7032376B1 (en) * 2003-08-27 2006-04-25 Southwest Research Institute Diesel fuel burner for diesel emissions control system
EP1939419A1 (fr) * 2006-12-19 2008-07-02 J. Eberspächer GmbH & Co. KG Système d'échappement pour moteurs à combustion interne
WO2009104723A1 (fr) * 2008-02-22 2009-08-27 ヤンマー株式会社 Purificateur de gaz d'échappement

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JPS5939915A (ja) * 1982-08-27 1984-03-05 Mazda Motor Corp ディ−ゼルエンジンの排気ガス浄化装置
JPS6022012A (ja) * 1983-07-15 1985-02-04 Mitsubishi Motors Corp デイ−ゼルパテイキユレ−トフイルタシステムにおけるエアポンプ
US4589254A (en) * 1983-07-15 1986-05-20 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Regenerator for diesel particulate filter
JP2589593Y2 (ja) * 1993-03-25 1999-01-27 日産ディーゼル工業株式会社 ディーゼルエンジンの排気浄化装置
JP4393858B2 (ja) * 2003-12-22 2010-01-06 ボッシュ株式会社 排気後処理装置用補助装置
JP5285309B2 (ja) * 2008-03-14 2013-09-11 ヤンマー株式会社 排気ガス浄化装置
DE102008063990A1 (de) * 2008-12-19 2010-06-24 J. Eberspächer GmbH & Co. KG Fahrzeugbrenner
US8393142B2 (en) * 2010-04-30 2013-03-12 Caterpillar Inc. Reductant dosing manifold

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3826446A1 (de) 1988-08-04 1990-02-08 R & D Carbon Ltd Zerstaeuberbrenner fuer fluessige brennstoffe
FR2635168A1 (fr) * 1988-08-04 1990-02-09 R & D Carbon Ltd Bruleur a pulverisation pour combustibles liquides et procede d'exploitation s'y rapportant
DE10024254A1 (de) 2000-05-17 2001-12-06 Bosch Gmbh Robert Vorrichtung zur Abgasbehandlung
US7032376B1 (en) * 2003-08-27 2006-04-25 Southwest Research Institute Diesel fuel burner for diesel emissions control system
EP1939419A1 (fr) * 2006-12-19 2008-07-02 J. Eberspächer GmbH & Co. KG Système d'échappement pour moteurs à combustion interne
WO2009104723A1 (fr) * 2008-02-22 2009-08-27 ヤンマー株式会社 Purificateur de gaz d'échappement

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013231374A (ja) * 2012-04-27 2013-11-14 Hino Motors Ltd 排気浄化装置用バーナー

Also Published As

Publication number Publication date
JP5705318B2 (ja) 2015-04-22
US20130133314A1 (en) 2013-05-30
DE102010038865A1 (de) 2012-02-09
JP2013538966A (ja) 2013-10-17

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