EP0356040A3 - Apparat und Methode zum Entfernen von Teilchen aus den Abgasen einer Verbrennungskraftmaschine - Google Patents

Apparat und Methode zum Entfernen von Teilchen aus den Abgasen einer Verbrennungskraftmaschine Download PDF

Info

Publication number
EP0356040A3
EP0356040A3 EP89307864A EP89307864A EP0356040A3 EP 0356040 A3 EP0356040 A3 EP 0356040A3 EP 89307864 A EP89307864 A EP 89307864A EP 89307864 A EP89307864 A EP 89307864A EP 0356040 A3 EP0356040 A3 EP 0356040A3
Authority
EP
European Patent Office
Prior art keywords
particulate matter
exhaust gases
filter
removing particulate
combustion engine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP89307864A
Other languages
English (en)
French (fr)
Other versions
EP0356040A2 (de
Inventor
Colin Peter Garner
John Cotton Dent
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.)
Loughborough Consultants Ltd
Original Assignee
Loughborough Consultants 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 Loughborough Consultants Ltd filed Critical Loughborough Consultants Ltd
Publication of EP0356040A2 publication Critical patent/EP0356040A2/de
Publication of EP0356040A3 publication Critical patent/EP0356040A3/de
Withdrawn legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021Exhaust 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
    • F01N3/023Exhaust 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
    • F01N3/027Exhaust 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
    • F01N3/028Exhaust 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 microwaves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N13/00Exhaust or silencing apparatus characterised by constructional features
    • F01N13/011Exhaust or silencing apparatus characterised by constructional features having two or more purifying devices arranged in parallel
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021Exhaust 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
    • F01N3/031Exhaust 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 having means for by-passing filters, e.g. when clogged or during cold engine start
    • F01N3/032Exhaust 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 having means for by-passing filters, e.g. when clogged or during cold engine start during filter regeneration only
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2290/00Movable parts or members in exhaust systems for other than for control purposes
    • F01N2290/02Movable parts or members in exhaust systems for other than for control purposes with continuous rotary movement
    • F01N2290/04Movable parts or members in exhaust systems for other than for control purposes with continuous rotary movement driven by exhaust gases
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2290/00Movable parts or members in exhaust systems for other than for control purposes
    • F01N2290/02Movable parts or members in exhaust systems for other than for control purposes with continuous rotary movement
    • F01N2290/06Movable parts or members in exhaust systems for other than for control purposes with continuous rotary movement driven by auxiliary drive
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2290/00Movable parts or members in exhaust systems for other than for control purposes
    • F01N2290/08Movable parts or members in exhaust systems for other than for control purposes with oscillating or vibrating movement
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2330/00Structure of catalyst support or particle filter
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2330/00Structure of catalyst support or particle filter
    • F01N2330/06Ceramic, e.g. monoliths
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2410/00By-passing, at least partially, exhaust from inlet to outlet of apparatus, to atmosphere or to other device
    • F01N2410/04By-passing, at least partially, exhaust from inlet to outlet of apparatus, to atmosphere or to other device during regeneration period, e.g. of particle filter
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2530/00Selection of materials for tubes, chambers or housings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2530/00Selection of materials for tubes, chambers or housings
    • F01N2530/02Corrosion resistive metals
    • F01N2530/04Steel alloys, e.g. stainless steel
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2530/00Selection of materials for tubes, chambers or housings
    • F01N2530/06Aluminium or alloys thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021Exhaust 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
    • F01N3/022Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust 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
    • F01N3/24Exhaust 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
    • F01N3/30Arrangements for supply of additional air
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B1/00Engines characterised by fuel-air mixture compression
    • F02B1/02Engines characterised by fuel-air mixture compression with positive ignition
    • F02B1/04Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder

Landscapes

  • 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)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
EP89307864A 1988-08-03 1989-08-02 Apparat und Methode zum Entfernen von Teilchen aus den Abgasen einer Verbrennungskraftmaschine Withdrawn EP0356040A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8818463 1988-08-03
GB8818463A GB8818463D0 (en) 1988-08-03 1988-08-03 Apparatus & method for removing particulate matter from exhaust gases of i c engine

Publications (2)

Publication Number Publication Date
EP0356040A2 EP0356040A2 (de) 1990-02-28
EP0356040A3 true EP0356040A3 (de) 1990-03-14

Family

ID=10641559

Family Applications (2)

Application Number Title Priority Date Filing Date
EP19890909409 Pending EP0429511A1 (de) 1988-08-03 1989-08-02 Apparat und methode zum entfernen von teilchen aus den abgasen einer verbrennungskraftmaschine
EP89307864A Withdrawn EP0356040A3 (de) 1988-08-03 1989-08-02 Apparat und Methode zum Entfernen von Teilchen aus den Abgasen einer Verbrennungskraftmaschine

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP19890909409 Pending EP0429511A1 (de) 1988-08-03 1989-08-02 Apparat und methode zum entfernen von teilchen aus den abgasen einer verbrennungskraftmaschine

Country Status (5)

Country Link
EP (2) EP0429511A1 (de)
CN (1) CN1040075A (de)
AU (1) AU4067089A (de)
GB (2) GB8818463D0 (de)
WO (1) WO1990001618A1 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5052178A (en) * 1989-08-08 1991-10-01 Cummins Engine Company, Inc. Unitary hybrid exhaust system and method for reducing particulate emmissions from internal combustion engines
DE4021495A1 (de) * 1990-07-05 1992-01-09 Schwaebische Huettenwerke Gmbh Abgasfilter
JP2738251B2 (ja) * 1993-01-20 1998-04-08 松下電器産業株式会社 内燃機関用フィルタ再生装置
FR2809766B1 (fr) * 2000-06-05 2002-09-06 Ct De Rech S En Machines Therm Procede de regeneration d'un filtre a particules et installation de regeneration d'un filtre a particules
US20030061791A1 (en) * 2001-10-02 2003-04-03 Litton Systems, Inc. Microwave system used for heating silicon carbide filter in diesel engine exhaust system
EP1541819A1 (de) * 2003-12-12 2005-06-15 Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO Microwellen regenerierter Diesel-Russfilter
CN1312384C (zh) * 2004-07-08 2007-04-25 上海交通大学 柴油机排气碳烟微粒过滤装置
EP2021813B1 (de) * 2006-05-01 2014-08-27 Massachusetts Institute of Technology Inc. Mikrowellenmessung zur bestimmung von filterladung
US8384396B2 (en) 2006-05-01 2013-02-26 Filter Sensing Technologies, Inc. System and method for measuring retentate in filters
US7975469B2 (en) * 2007-05-15 2011-07-12 GM Global Technology Operations LLC Electrically heated particulate filter restart strategy
CN100419228C (zh) * 2007-06-18 2008-09-17 湖南大学 一种消减柴油机微粒物质排放的方法及其装置
US7806956B2 (en) * 2007-08-09 2010-10-05 Cummins Filtration Ip, Inc. Tuning particulate filter performance through selective plugging and use of multiple particulate filters to reduce emissions and improve thermal robustness
US9140159B2 (en) * 2007-09-18 2015-09-22 Eugene V. Gonze High exhaust temperature, zoned, electrically-heated particulate matter filter
WO2011056164A1 (en) 2008-10-31 2011-05-12 Leslie Bromberg Method and system for controlling filter operation
WO2011159593A2 (en) * 2010-06-14 2011-12-22 University Of Florida Research Foundation, Inc. Microwave filter air purification systems, methods of use, and methods of disinfection and decontamination
CN102852598A (zh) * 2011-06-29 2013-01-02 南京辉虎环保科技有限公司 附微波之引擎排气滤芯
CN112362973A (zh) 2014-06-06 2021-02-12 滤波器感知技术有限公司 射频状态变量测量系统和方法
CN106464311B (zh) 2014-06-06 2020-11-27 滤波器感知技术有限公司 射频过程感测、控制和诊断系统
WO2016064821A1 (en) 2014-10-20 2016-04-28 Filter Sensing Technologies, Inc. Filter retentate analysis and diagnostics
US10363514B2 (en) * 2015-03-27 2019-07-30 Koninklijke Philips N.V. Protecting an optical particle sensor from particulate desposits by thermophoresis
US10799826B2 (en) 2015-06-08 2020-10-13 Cts Corporation Radio frequency process sensing, control, and diagnostics network and system
US10118119B2 (en) 2015-06-08 2018-11-06 Cts Corporation Radio frequency process sensing, control, and diagnostics network and system
WO2017180466A1 (en) 2016-04-11 2017-10-19 Cts Corporation Radio frequency system and method for monitoring engine-out exhaust constituents
US11215102B2 (en) 2018-01-16 2022-01-04 Cts Corporation Radio frequency sensor system incorporating machine learning system and method
JP7167863B2 (ja) * 2019-06-21 2022-11-09 トヨタ自動車株式会社 内燃機関の制御装置
WO2021157746A1 (ja) * 2020-02-07 2021-08-12 日本碍子株式会社 ハニカム構造体及び排気ガス浄化装置
CN114215630B (zh) * 2021-12-17 2022-10-25 同济大学 一种混合动力汽油车的尾气排放控制方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2080140A (en) * 1980-06-28 1982-02-03 Mann & Hummel Filter Apparatus for removing soot from exhaust gases
US4662911A (en) * 1982-03-18 1987-05-05 Nippondenso Co., Ltd. Equipment for trapping particulates in engine exhaust gas
EP0244061A1 (de) * 1986-02-28 1987-11-04 Porous Element Technology Limited Einrichtung zur Beseitigung von partikelförmigem Material aus einem Gas
EP0266932A1 (de) * 1986-10-20 1988-05-11 Ford Motor Company Limited Elektrisches Zündsystem für die Regenerierung eines Partikelfilters

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59141708A (ja) * 1983-02-01 1984-08-14 Nippon Denso Co Ltd 微粒子浄化装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2080140A (en) * 1980-06-28 1982-02-03 Mann & Hummel Filter Apparatus for removing soot from exhaust gases
US4662911A (en) * 1982-03-18 1987-05-05 Nippondenso Co., Ltd. Equipment for trapping particulates in engine exhaust gas
EP0244061A1 (de) * 1986-02-28 1987-11-04 Porous Element Technology Limited Einrichtung zur Beseitigung von partikelförmigem Material aus einem Gas
EP0266932A1 (de) * 1986-10-20 1988-05-11 Ford Motor Company Limited Elektrisches Zündsystem für die Regenerierung eines Partikelfilters

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 8, no. 270 (M-344)(1707) 11 December 1984, & JP-A-59 141 708 (NIPPON DENSO K.K.) 14 August 1984 *

Also Published As

Publication number Publication date
AU4067089A (en) 1990-03-05
CN1040075A (zh) 1990-02-28
EP0356040A2 (de) 1990-02-28
GB9101782D0 (en) 1991-04-10
GB2239408A (en) 1991-07-03
GB8818463D0 (en) 1988-09-07
WO1990001618A1 (en) 1990-02-22
EP0429511A1 (de) 1991-06-05

Similar Documents

Publication Publication Date Title
EP0356040A3 (de) Apparat und Methode zum Entfernen von Teilchen aus den Abgasen einer Verbrennungskraftmaschine
JPS57127448A (en) Improved catalyst and method treating exhaust gas from internal combustion engine
DE3060767D1 (en) Catalyst and process for treating exhaust gases from internal-combustion engines
JPS57159544A (en) Improved catalyst for treating exhaust gas of internal combustion engine and its treating method
DK233389D0 (da) Fremgangsmaade til behandling af dieseludstoedningsgasser
EP0104783A3 (de) Regenerierungskontrollsystem für ein Dieselmaschinenabgaspartikelfilter
GB2098086B (en) Method and apparatus for removing soot from internal combustion engine exhaust filters
AU6111799A (en) Process and apparatus for treating combustion exhaust gas
EP0308972A3 (en) Apparatus and method for treating an exhaust gas from a diesel engine
GB2193656B (en) Method and apparatus of disposing of particulates separated in an exhaust gas filter of an internal combustion engine
DE3788421D1 (de) Apparat zur Behandlung von Teilchen im Abgas aus einem Dieselmotor.
SE8400295L (sv) Regenerering av katalytiskt partikelfilter och apparat for detta
EP0070619A3 (de) Regeneration einer Dieselabgasreinigungsvorrichtung
GB2166973B (en) A method of removing soot which has been trapped in an exhaust gas filter of an internal combustion engine
ATE349606T1 (de) Dieselauspuffsystem mit nox-falle
DE3173897D1 (en) Exhaust filter device for collecting particulates in engine exhaust gases and method for its manufacture
DE3276767D1 (en) Method and apparatus for controlling the amount of recycled exhaust gases in an internal-combustion engine
SE8201130L (sv) Forfarande for behandling av en avgasstrom fran en forbrenningmotor samt anordning for genomforande derav
JPS5346515A (en) Method of catalytic treatment of exhaust gas from two cycle internal combustion engine
JPS57137615A (en) Exhaust gas muffler apparatus for and method of combustion engine
JPS5672213A (en) Exhaust gas filter for internal combustion engine
IT1224725B (it) Procedimento e apparecchio per bruciare la fuliggine che si depone su un filtro di gas di scarico, in particolare di motori diesel
DE3479329D1 (en) Exhaust gas recirculation control method and apparatus for internal combustion engine
JPS57171015A (en) Particle collector
JPS5726317A (en) Treating device for particle not burnt

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): ES GR

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): ES GR

17P Request for examination filed

Effective date: 19900829

17Q First examination report despatched

Effective date: 19920316

XX Miscellaneous (additional remarks)

Free format text: VERBUNDEN MIT 89909409.8/0429511 (EUROPAEISCHE ANMELDENUMMER/VEROEFFENTLICHUNGSNUMMER) DURCH ENTSCHEIDUNG VOM 03.04.92.

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19920929