WO2003067046A1 - Dispositif a decharges d'epuration de gaz - Google Patents

Dispositif a decharges d'epuration de gaz Download PDF

Info

Publication number
WO2003067046A1
WO2003067046A1 PCT/JP2003/001329 JP0301329W WO03067046A1 WO 2003067046 A1 WO2003067046 A1 WO 2003067046A1 JP 0301329 W JP0301329 W JP 0301329W WO 03067046 A1 WO03067046 A1 WO 03067046A1
Authority
WO
WIPO (PCT)
Prior art keywords
cylindrical
discharge
electrode
peripheral surface
dielectric
Prior art date
Application number
PCT/JP2003/001329
Other languages
English (en)
Japanese (ja)
Inventor
Shigeru Tamaru
Hideo Kimura
Yumi Kusanagi
Original Assignee
Furrex Co., Ltd.
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 Furrex Co., Ltd. filed Critical Furrex Co., Ltd.
Priority to AU2003207183A priority Critical patent/AU2003207183A1/en
Priority to JP2003566375A priority patent/JPWO2003067046A1/ja
Publication of WO2003067046A1 publication Critical patent/WO2003067046A1/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
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0892—Electric or magnetic treatment, e.g. dissociation of noxious components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/32—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by electrical effects other than those provided for in group B01D61/00
    • 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
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/011—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more purifying devices arranged in parallel
    • F01N13/017—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more purifying devices arranged in parallel the purifying devices are arranged in a single housing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
    • B01D2259/818—Employing electrical discharges or the generation of a plasma

Definitions

  • the present invention relates to a discharge type gas purifying device, and particularly to a device suitable for purifying exhaust gas for automobiles such as NOx.
  • a discharge gas purifying apparatus according to Japanese Patent Application Laid-Open No. H5-1259828, the outer periphery of a first electrode made of a rod-shaped conductive metal is covered with a dielectric material such as an organic glass ceramic.
  • the outer circumference is surrounded by a cylindrical second electrode made of conductive metal at a relatively large interval, and a female screw-shaped spiral groove is formed on the inner wall of the second electrode. It is a device for purifying water.
  • the outer periphery of a rod-shaped conductive metal is closely covered with a dielectric.
  • the coefficient of thermal expansion of the conductive metal and that of the dielectric are very different, when a high voltage is applied to the rod-shaped conductive metal to discharge it, the temperature of the conductive metal rises with the discharge, and the dielectric metal and the dielectric are heated. Due to the difference in thermal expansion coefficient, a phenomenon occurs in which the dielectric is destroyed by receiving a large stress from the inside. Therefore, this device cannot be applied to a discharge device that applies a high voltage to the bar-shaped conductive metal in the transition region immediately before arc discharge or glow discharge to arc discharge. Further, the latter gas discharge device disclosed in Japanese Patent Application Laid-Open No.
  • 7-197806 discloses a multi-granular structure in which a bar-shaped electrode located at the center is filled between a core wire and the core wire and a cylindrical dielectric.
  • This is an exhaust gas purification device composed of a conductor, surrounding the rod-shaped electrode with a cylindrical electrode, and generating plasma discharge between the cylindrical electrode and the cylindrical dielectric.
  • conductive particles as fine as sand particles are tightly filled in a cylindrical dielectric and adhere to the core wire, so that the core wire changes from glow discharge to arc discharge, for example, as in the above-mentioned conventional example.
  • the conductive particles rise in temperature with the discharge, causing a large stress from the inside of the dielectric due to the difference in the coefficient of thermal expansion from the dielectric. In response to this, a phenomenon of rupture occurs.
  • the present invention solves the above-mentioned conventional problems.
  • the purpose of the present invention is to apply a high discharge voltage in the transition region to a metal electrode whose outer periphery is surrounded by a dielectric to discharge at a high temperature.
  • An object of the present invention is to provide a discharge gas purifying apparatus in which a dielectric is not damaged by thermal expansion of a metal electrode. Disclosure of the invention
  • the present invention provides a tube having an outer peripheral surface that forms an annular gap between a cylindrical outer electrode and an inner peripheral surface of the cylindrical outer electrode that is inserted into the cylindrical outer electrode.
  • a discharge type gas purifying apparatus comprising: a cylindrical dielectric; an inner electrode opposed to the cylindrical outer electrode across the cylindrical dielectric; and a power supply for applying a discharge voltage between the outer electrode and the inner electrode.
  • the cylindrical dielectric is made of ceramics.
  • the inner electrode is a conductor that contacts the entire circumference of the cylindrical dielectric when the discharge voltage is applied, and a contact that connects the conductor and the power supply.
  • the conductor is configured to be adjustable so as to reduce the pressure applied to the inner peripheral surface of the ceramics due to thermal expansion of the conductor when a discharge voltage is applied.
  • the conductor of the inner electrode is formed from a carbon fiber body that can be compressed in a radial direction, and the carbon fiber body is formed along an axis of the cylindrical dielectric. It is to be interposed between the disposed metal shaft member and the cylindrical dielectric.
  • the carbon fiber body is made of a nonwoven fabric made of carbon fiber, and the nonwoven fabric is spirally wound around the metal shaft member.
  • the bulk density of the nonwoven fabric is a child of about 9 0 ⁇ 1 8 0 g / m 3.
  • the conductor of the inner electrode is made of a conductive liquid such as water, and the conductive liquid is filled in the cylindrical dielectric of the inner electrode.
  • the conductor of the inner electrode is made of a conductive liquid such as water, and the conductive liquid is filled in the cylindrical dielectric of the inner electrode.
  • it is configured to be circulated between the cylindrical dielectric and the outside.
  • an outer peripheral surface of the cylindrical dielectric is formed into a valley-shaped concave surface by a plurality of mountain-shaped convex surfaces having ridges extending in the axial direction, and two opposing slopes of both adjacent mountain-shaped convex surfaces. Is formed so that By arranging along the direction, the cross section orthogonal to the axial direction is formed to have an annular waveform.
  • the distance between the top of the chevron convex surface and the inner peripheral surface of the outer electrode is about 5 mm, a large amount of moisture is contained in the exhaust gas during the initial discharge treatment of the exhaust gas of an automobile.
  • the annular corrugated shape increases the cross-sectional area of the annular gap due to the presence of the valley-shaped concave surface, compared to the case of a smooth cylindrical inner electrode formed by connecting the mountain-shaped convex surfaces in an annular shape. It is possible to increase the flow rate of the gas processed within a unit time.
  • FIG. 1 is a cutaway front view of a main part of a discharge gas purifying apparatus according to an embodiment of the present invention.
  • FIG. 2 is a perspective view showing a cylindrical dielectric constituting an internal electrode in the apparatus of FIG. 1 and a supporting structure thereof.
  • FIG. 3 is an enlarged sectional view taken along line 3-3 of FIG.
  • FIG. 4 is an explanatory diagram showing a state in which the discharge gas purifier according to the embodiment of the present invention is connected to an exhaust system of a gasoline engine.
  • FIG. 5 is an explanatory view showing a second example in which the discharge type exhaust gas purifying apparatus according to the embodiment of the present invention is connected to an exhaust system of a gasoline engine.
  • FIG. 6 is an explanatory view showing a third example in which the discharge type exhaust gas purifying apparatus according to the embodiment of the present invention is connected to an exhaust system of a gasoline engine.
  • BEST MODE FOR CARRYING OUT THE INVENTION FIG. 1 shows a discharge type exhaust gas purifying apparatus according to a preferred embodiment of the present invention.
  • the electric discharger 2 has a housing 4 made of stainless steel (for example, JISSUS304).
  • the housing 4 has a rectangular cross-section and rectangular flanges 5 and 6 at both ends.
  • a gas inlet forming body 10 in which a rectangular flange 9 is attached to one of the flanges 5 via an insulating packing 8 made of rectangular polyimide 12 on one of the flanges 5, and the other. And a gas outlet forming member 13 having a rectangular flange 12 attached to the flange 6 via a rectangular polyamide 12 insulating packing 11.
  • the gas inlet forming body 10 has a truncated quadrangular pyramid-shaped hollow portion 14, the square flange 9 is continuously provided on the side of the large opening of the hollow portion 14, and on the side of the small opening of the hollow portion 10.
  • An inlet cylinder 15 having a circular cross section is provided continuously.
  • the gas outlet forming body 13 has a truncated quadrangular pyramid-shaped hollow portion 16, the square flange 12 is continuously provided on the large opening edge side of the hollow portion 16, and the small opening edge side of the hollow portion 16 is provided.
  • An outlet cylinder 17 having a circular cross section is continuously provided.
  • a rectangular plate-like support portion 19 having a through hole 18 in the center is continuously provided on the inner peripheral edge of the flange 9 of the gas inlet forming body 10.
  • the inner peripheral edge of the through hole 18 is made of stainless steel (
  • an outer peripheral edge of one end of a cylindrical outer electrode 20 having a circular cross section formed of JISSUS304) is fixed, and the outer electrode 20 is disposed in the housing body 7.
  • the length of the outer electrode 20 is shorter than half the length of the housing body 7.
  • a support made of stainless steel (for example, JISSUS304) is provided between the gas outlet forming body 13 and the end face of the outer electrode 20 in the nozzle body 7.
  • Member 21 is installed on the bottom wall
  • One end of a cylindrical dielectric member 23 having a substantially circular cross section is supported by the short cylindrical holding portion 22 of the support member 21.
  • the other end of the dielectric 23 is inserted into the outer electrode 20, and the insertion length of the dielectric 23 is about two thirds of the length of the outer electrode 20.
  • an annular gap 24 is formed between the outer peripheral surface of the dielectric 23 existing in the outer electrode 20 and the inner peripheral surface of the outer electrode 20.
  • An inner electrode 25 is disposed in the dielectric 23, and the inner electrode 25 faces the outer electrode 20 with the dielectric 23 interposed therebetween, and extends over the entire inner peripheral surface of the dielectric 23. Contact.
  • the dielectric 23 is a cylindrical ceramic body made of ceramics (for example, 2 MgO-2AI2O3.5SIO2). 26, and a cylindrical outer glass layer (for example, glaze) 27 covering the outer peripheral surface of the cylindrical ceramic body 26 to form the annular gap 24.
  • the inner surface of the ceramic body 26 has a cylindrical inner glass layer (for example, glaze) 28 that forms a contact surface with the inner electrode 25.
  • the outer peripheral surface covered with the cylindrical outer glass layer 27 of the cylindrical ceramic body 26 is formed by a plurality of mountain-shaped convex surfaces 29 having ridges extending in the axial direction. It is formed by arranging along the circumferential direction so that the valley-shaped concave surface 30 is formed by both opposing slopes, and the cross section orthogonal to the axial direction is formed into an annular waveform. I have.
  • the gap between the peak of the chevron convex surface and the inner peripheral surface of the cylindrical outer electrode 20 is 4 to 6 ram, preferably 5 mm, and the bottom of the valley-shaped concave surface and the cylindrical outer electrode 2
  • the gap between the inner surface of 0 is 7-9 mm, preferably 8 nim, and the gap between the top and the bottom is 2-4 mm, preferably 3 mm.
  • the inner electrode 25 includes a shaft-like member 31 made of metal (for example, JISSUS304) and a conductive carbon fiber aggregate filled between the shaft-like member 31 and the dielectric 23. It consists of 3 2.
  • the carbon fiber aggregate 32 is formed by spirally winding a non-woven fabric made of carbon fiber (trade name: Kynor) around the outer peripheral surface of the shaft member 31. It is about 90 to 180 g / m3. Both ends of the shaft-like member 31 are made of ceramics (for example, 2 MgO2A12O3 ⁇ 5Sio2) that closes the openings at both ends of the dielectric 23. The gas outlet side end of the shaft-shaped member 33 protrudes from the cover plate 33.
  • a lead wire 34 connected to one terminal of the AC power supply 3 passes through an insulating tube 35 provided on the ceiling wall of the housing body 7 and is connected to an end of the shaft member 31.
  • the other terminal is grounded via a ground wire 36.
  • a gas inlet forming body 10 electrically connected to the outer electrode 20 is grounded via a ground wire 37. Thereby, a discharge voltage can be applied between the outer and inner electrodes 20 and 25.
  • a sampling pipe 39 of a gas analyzer 38 is held through the hollow wall 16 of the gas outlet forming body 13.
  • HORIBA PORTABLE GAS ANALYZER model number PG_240 is used as the gas analyzer 38.
  • the inlet pipe 15 of the housing 4 of one discharger 2 is connected to the exhaust pipe 41 of the gasoline engine 40 with a displacement of 660 cc through the inlet pipe 42. Connected.
  • the gasoline engine 40 was operated at an engine speed of 100 rpm, and the NOX concentration in the exhaust gas flowing through the exhaust pipe 41 and the annular gap 24 of the discharger 2 was measured. JP03 / 01329
  • This NOx concentration is defined as the NOx concentration before the discharge treatment.
  • gasoline Ne engine 4 0 perform measurement of the same discharge pretreatment NO X concentration with operating at engine speed 1 5 0 0 rpm, full load conditions Then, a high discharge voltage was applied by the AC power supply 3 under the same conditions as above, and the NOX concentration was measured after the discharge treatment in the same manner as described above. This was also performed at an engine rotation speed of 240 rpm. Table 1 shows the measurement results.
  • the large discharger 2 shown in FIG. 5 includes an outer electrode 20, a dielectric 23, and an inner electrode 25 inside a housing 4 having one inlet tube 15 and one outlet tube 17.
  • a plurality of discharge units 43 are arranged in parallel on a horizontal plane, and a partition wall 44 is provided between two adjacent discharge units 43.
  • the exhaust gas discharged from the gasoline engine 40 is divided into three parts and subjected to discharge treatment by each discharge unit 43, and the total NOX concentration of the treated exhaust gas passing through each discharge unit 43 is determined by the gas analyzer. Measured by 3 8.
  • the large discharger 2 in which three discharge units 43 are connected in series has a low NO x purification ability. This is thought to be due to not only the decomposition of NOx but also its synthesis due to the long discharge treatment path.
  • the inlet pipe 15 of the housing 4 of one discharger 2 is connected to the exhaust pipe 41 of the gasoline engine 40 with a displacement of 600 cc through the inlet pipe 42.
  • a three-way catalytic converter 45 was connected to the outlet cylinder 17 via an inlet pipe 46.
  • the gasoline engine 40 was operated at an engine speed of 200 rpm to flow through the exhaust pipe 41, the annular gap 24 of the discharger 2, etc., and into the gas outlet forming body 13.
  • the NOx concentration in the exhaust gas that reached was measured by a gas analyzer 38. This NOx concentration is defined as the NOx concentration before the discharge treatment.
  • the NO x removal rate in the column of “discharge” was obtained using both the NO x concentration before and after the discharge treatment, and the final NO x removal rate in the column of “catalyst”. Is obtained using the NOx concentration before the discharge treatment and the NOx concentration after the catalytic action.
  • NOx in exhaust gas can be removed by 54% or more by using the discharge type exhaust gas purifier 1, and by using the catalytic converter 45 together. NOx in exhaust gas can be removed by more than 97 ° / 0 .
  • a preferable discharge state in the present invention is that the outer electrode and the cylinder
  • the purpose of the present invention is not to cause a simple glow discharge in the annular gap between the glow discharge but the discharge state in the transition region immediately before the glow discharge to the arc discharge.
  • a cylindrical canceller mix body 2 6 is a heat-resistant high-strength canceller mix 9 4. 7 7 wt% of A 1 2 0 3 and 1. 7 2 wt% of C a O and 3. 5 1 wt% of S i 0 2 and by Ri becomes Anoremi naphthalocyanine system sera mix, or a l 2 0 3 to 9 2 wt% content was for insulators If ceramics are used, the glass layers 27 and 28 inside and outside the cylindrical ceramic body 26 need not be covered.
  • the cylindrical ceramic body 26 is filled with a conductive liquid such as water, and the water is poured into and out of the cylindrical ceramic body.
  • a conductive liquid such as water
  • a high voltage is applied to the inner electrode, and a glow discharge immediately before an arc discharge or an arc discharge is formed between the inner electrode and the outer electrode. Even when the inner electrode is heated to a high temperature, no large stress is applied to the ceramic even if the inner electrode is heated to a high temperature. In short, it is possible to provide a discharge-type gas purifying apparatus capable of efficiently removing harmful components in a gas to be treated such as an exhaust gas from an automobile.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Toxicology (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

Un dispositif à décharges d'épuration de gaz comprend une électrode cylindrique externe (20), un corps en matériau cylindrique diélectrique (23) inséré dans l'électrode cylindrique externe (20) et comprenant une face périphérique externe qui forme un intervalle annulaire entre le corps et la face périphérique interne de l'électrode cylindrique externe, une électrode interne (25) opposée à l'électrode cylindrique externe (20) avec un corps en matériau cylindrique diélectrique (23) au milieu, et une source d'alimentation pour appliquer une tension de décharge entre l'électrode cylindrique externe (20) et l'électrode interne (25). Le corps en matériau cylindrique diélectrique (23) est fait de céramique. L'électrode interne (25) comprend un conducteur qui est en contact avec l'intégralité de la face périphérique du corps en matériau cylindrique diélectrique (23) lors de l'application d'une tension de décharge. Le conducteur peut être réglé pour relâcher la pression exercée sur la face périphérique interne de la partie céramique par la dilatation thermique du conducteur lors de l'application d'une tension de décharge.
PCT/JP2003/001329 2002-02-07 2003-02-07 Dispositif a decharges d'epuration de gaz WO2003067046A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2003207183A AU2003207183A1 (en) 2002-02-07 2003-02-07 Discharge type gas cleaner
JP2003566375A JPWO2003067046A1 (ja) 2002-02-07 2003-02-07 放電式ガス浄化装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002031210 2002-02-07
JP2002-31210 2002-02-07

Publications (1)

Publication Number Publication Date
WO2003067046A1 true WO2003067046A1 (fr) 2003-08-14

Family

ID=27677925

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2003/001329 WO2003067046A1 (fr) 2002-02-07 2003-02-07 Dispositif a decharges d'epuration de gaz

Country Status (3)

Country Link
JP (1) JPWO2003067046A1 (fr)
AU (1) AU2003207183A1 (fr)
WO (1) WO2003067046A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005268129A (ja) * 2004-03-19 2005-09-29 Research Institute Of Innovative Technology For The Earth プラズマ反応器
WO2008123557A1 (fr) * 2007-03-29 2008-10-16 Toyota Jidosha Kabushiki Kaisha Dispositif de nettoyage de gaz d'échappement
CN103611395A (zh) * 2013-08-01 2014-03-05 上海瑞津环境科技有限公司 线管式低温等离子体单元反应器及其组合系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05115746A (ja) * 1991-10-28 1993-05-14 Mitsubishi Heavy Ind Ltd 排ガス処理装置
JPH07197806A (ja) * 1993-12-29 1995-08-01 Aqueous Res:Kk 排気ガス処理用のプラズマ放電管
WO1999038603A1 (fr) * 1998-01-29 1999-08-05 Aea Technology Plc Traitement de gaz a assistance plasma
JP2002030921A (ja) * 2000-07-17 2002-01-31 Mitsubishi Motors Corp プラズマ式排気浄化装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05115746A (ja) * 1991-10-28 1993-05-14 Mitsubishi Heavy Ind Ltd 排ガス処理装置
JPH07197806A (ja) * 1993-12-29 1995-08-01 Aqueous Res:Kk 排気ガス処理用のプラズマ放電管
WO1999038603A1 (fr) * 1998-01-29 1999-08-05 Aea Technology Plc Traitement de gaz a assistance plasma
JP2002030921A (ja) * 2000-07-17 2002-01-31 Mitsubishi Motors Corp プラズマ式排気浄化装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005268129A (ja) * 2004-03-19 2005-09-29 Research Institute Of Innovative Technology For The Earth プラズマ反応器
JP4546123B2 (ja) * 2004-03-19 2010-09-15 財団法人地球環境産業技術研究機構 プラズマ反応器
WO2008123557A1 (fr) * 2007-03-29 2008-10-16 Toyota Jidosha Kabushiki Kaisha Dispositif de nettoyage de gaz d'échappement
US8236094B2 (en) 2007-03-29 2012-08-07 Toyota Jidosha Kabushiki Kaisha Exhaust gas purifying device
CN103611395A (zh) * 2013-08-01 2014-03-05 上海瑞津环境科技有限公司 线管式低温等离子体单元反应器及其组合系统

Also Published As

Publication number Publication date
AU2003207183A1 (en) 2003-09-02
JPWO2003067046A1 (ja) 2005-06-02

Similar Documents

Publication Publication Date Title
US5284556A (en) Exhaust treatment system and method
US7442218B2 (en) Exhaust gas treatment apparatus
JPS59136555A (ja) 内燃エンジン用イオン化装置
US8991364B2 (en) Apparatus for improving efficiency and emissions of combustion
EP2131017B1 (fr) Dispositif de nettoyage de gaz d'échappement
JP5064445B2 (ja) プラズマリアクタ
JP2009275555A (ja) プラズマ処理装置
JP7255935B2 (ja) インテークプラズマ発生システム及び方法
EP1058577A1 (fr) Element utilise pour traiter des gaz
WO2003067046A1 (fr) Dispositif a decharges d'epuration de gaz
JPS6186403A (ja) セラミツクを用いたオゾナイザ−装置
US20050106085A1 (en) Reactor for treating a gas flow with plasma, particularly exhaust gases produced by the internal combustion engine in a motor vehicle
JP5261244B2 (ja) リアクタ
JP4292868B2 (ja) 排ガス浄化装置
JP2010215468A (ja) リアクタ
JPH0747223A (ja) 気体酸化用電界装置
JP2004247223A (ja) 気体励起用の電極
JP2002357119A (ja) 放電現象などを用いた高効率排気ガス処理システム
RU2093699C1 (ru) Устройство для обработки жидких и/или газообразных сред
JP2005307832A (ja) 排ガス浄化装置
JP2005016411A (ja) 排ガス浄化装置
JP2006026483A (ja) 排ガス浄化装置
JP2006214392A (ja) 排ガス浄化装置
JP2005307831A (ja) 排ガス浄化装置
JPH0146173B2 (fr)

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ OM PH PL PT RO RU SC SD SE SG SK SL TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PT SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
WWE Wipo information: entry into national phase

Ref document number: 2003566375

Country of ref document: JP

122 Ep: pct application non-entry in european phase