DE19781712T1 - System zur Verringerung schädlicher Abgasemissionen aus Dieselmotoren - Google Patents

System zur Verringerung schädlicher Abgasemissionen aus Dieselmotoren

Info

Publication number
DE19781712T1
DE19781712T1 DE19781712T DE19781712T DE19781712T1 DE 19781712 T1 DE19781712 T1 DE 19781712T1 DE 19781712 T DE19781712 T DE 19781712T DE 19781712 T DE19781712 T DE 19781712T DE 19781712 T1 DE19781712 T1 DE 19781712T1
Authority
DE
Germany
Prior art keywords
diesel engines
exhaust emissions
harmful exhaust
reduce harmful
reduce
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.)
Ceased
Application number
DE19781712T
Other languages
English (en)
Inventor
Kenneth E Voss
Timothy D Wildmann
Michael G Norris
Gary W Rice
Anthony J Rotolico
Arthur Fabel
Gerald L Kutner
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.)
BASF Catalysts LLC
Original Assignee
Engelhard Corp
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
Priority claimed from US08/635,345 external-priority patent/US5987882A/en
Application filed by Engelhard Corp filed Critical Engelhard Corp
Publication of DE19781712T1 publication Critical patent/DE19781712T1/de
Ceased legal-status Critical Current

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
    • 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
    • F01N13/14—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 thermal insulation
    • 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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
    • 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
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • F01N13/10—Other arrangements or adaptations of exhaust conduits of exhaust manifolds
    • F01N13/102—Other arrangements or adaptations of exhaust conduits of exhaust manifolds having thermal insulation
    • 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
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
    • F01N3/2807—Metal other than sintered metal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B51/00—Other methods of operating engines involving pretreating of, or adding substances to, combustion air, fuel, or fuel-air mixture of the engines
    • F02B51/02—Other methods of operating engines involving pretreating of, or adding substances to, combustion air, fuel, or fuel-air mixture of the engines involving catalysts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
    • Y10T428/12542—More than one such component
    • Y10T428/12549—Adjacent to each other

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)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Toxicology (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Silencers (AREA)
DE19781712T 1996-04-19 1997-04-17 System zur Verringerung schädlicher Abgasemissionen aus Dieselmotoren Ceased DE19781712T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/635,345 US5987882A (en) 1996-04-19 1996-04-19 System for reduction of harmful exhaust emissions from diesel engines
US08/838,907 US6006516A (en) 1996-04-19 1997-04-11 System for reduction of harmful exhaust emissions from diesel engines
PCT/US1997/006301 WO1997040266A2 (en) 1996-04-19 1997-04-17 System for reduction of harmful exhaust emissions from diesel engines

Publications (1)

Publication Number Publication Date
DE19781712T1 true DE19781712T1 (de) 1999-04-15

Family

ID=27092354

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19781712T Ceased DE19781712T1 (de) 1996-04-19 1997-04-17 System zur Verringerung schädlicher Abgasemissionen aus Dieselmotoren

Country Status (4)

Country Link
US (1) US6256984B1 (de)
AU (1) AU3054597A (de)
DE (1) DE19781712T1 (de)
WO (1) WO1997040266A2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10158177B4 (de) * 2000-12-07 2008-06-12 Ford Global Technologies, LLC (n.d.Ges.d. Staates Delaware), Dearborn Verfahren und Vorrichtung zur Steuerung eines Mehrzylinderverbrennungsmotors

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6422008B2 (en) * 1996-04-19 2002-07-23 Engelhard Corporation System for reduction of harmful exhaust emissions from diesel engines
GB2347970A (en) * 1999-03-13 2000-09-20 Ford Global Tech Inc Motor vehicle exhaust system insulated downstream of catalytic converter
DE19938686A1 (de) * 1999-08-14 2001-02-15 Volkswagen Ag Katalysator zur Reinigung eines Abgases einer Verbrennungskraftmaschine
DE19956671A1 (de) * 1999-11-25 2001-05-31 Man Nutzfahrzeuge Ag Verfahren zur Verbesserung von Oxidationsreaktionen im Abgas von aufgeladenen Brennkraftmaschinen durch Pulsbeaufschlagung von Katalysatoren
JP4434401B2 (ja) * 2000-01-19 2010-03-17 本田技研工業株式会社 内燃機関の排気浄化装置
DE10029810A1 (de) * 2000-06-16 2001-12-20 Mahle Gmbh Kolben für Dieselmotoren
US20020162319A1 (en) * 2001-05-03 2002-11-07 Mark Crocker Method for increasing internal combustion engine exhaust gas catalyst durability
US6655369B2 (en) * 2001-08-01 2003-12-02 Diesel Engine Transformations Llc Catalytic combustion surfaces and method for creating catalytic combustion surfaces
US20060021335A1 (en) * 2004-07-29 2006-02-02 Caterpillar, Inc. Exhaust treatment system having particulate filters
US20060062912A1 (en) * 2002-11-21 2006-03-23 Wortman David J Bond coat for a thermal barrier coating system and related method thereof
US8661794B2 (en) * 2003-08-29 2014-03-04 Dow Global Technologies Llc Diesel exhaust filter
US7531479B2 (en) * 2004-05-05 2009-05-12 Siemens Energy, Inc. Catalytically active coating and method of depositing on a substrate
US8020378B2 (en) * 2004-12-29 2011-09-20 Umicore Ag & Co. Kg Exhaust manifold comprising aluminide
DE102005009285B3 (de) * 2005-02-22 2006-09-21 Deutsches Zentrum für Luft- und Raumfahrt e.V. Fenstervorrichtung und Verwendung einer Fenstervorrichtung für ein Diagnosesystem für Verbrennungsvorgänge und für eine Brennkammer
KR100752520B1 (ko) * 2005-03-07 2007-08-29 (주)케이에이치 케미컬 내부식성 세라믹 재료 및 이를 사용한 필터, 이들의제조방법
US20060272319A1 (en) * 2005-06-02 2006-12-07 Dettling Joseph C Segregated catalyzed metallic wire filter for diesel soot filtration
US7736759B2 (en) * 2006-01-20 2010-06-15 United Technologies Corporation Yttria-stabilized zirconia coating with a molten silicate resistant outer layer
US7685814B2 (en) 2006-07-12 2010-03-30 Cummins Filtration, Inc. Systems, apparatuses, and methods of determining plugging or deplugging of a diesel oxidation catalyst device
DE102009002183A1 (de) 2009-03-11 2010-09-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verbrennungskraftmaschine mit einer Brennraum- oder brennraumnahen Oberflächenbeschichtung sowie Verfahren zur Beschichtung
US9120489B2 (en) 2011-06-03 2015-09-01 General Electric Company Systems and methods for an engine
US9404448B2 (en) 2011-06-03 2016-08-02 General Electric Company Systems and methods for an engine
DE102012113225A1 (de) * 2012-12-28 2014-07-03 Phitea GmbH Brennraumbeschichtung für Motoren
DE102014219819A1 (de) * 2014-09-30 2016-03-31 Volkswagen Aktiengesellschaft Verfahren zur thermischen Isolierung eines Brennraums und/oder einer Abgasführung einer Brennkraftmaschine
WO2017005425A1 (de) * 2015-07-08 2017-01-12 Siemens Aktiengesellschaft Abgasanlage mit abgaskanal und katalytisch aktiver isolierung
DE102015115320A1 (de) * 2015-09-10 2017-03-16 Phitea GmbH Haftschicht für einen Brennraum mit Schadstoff reduzierender Wirkschicht
AT518216A1 (de) * 2016-01-21 2017-08-15 Ge Jenbacher Gmbh & Co Og Brennkraftmaschine
KR20170127903A (ko) * 2016-05-13 2017-11-22 현대자동차주식회사 인서트 주조용 실린더 라이너 및 그 제조 방법
US10731259B2 (en) 2016-11-04 2020-08-04 Cummins Inc. Pistons with thermal barrier coatings
US10724467B2 (en) * 2016-11-04 2020-07-28 Cummins Inc. Pistons with thermal barrier coatings
CN109838289B (zh) * 2017-11-27 2022-03-15 罗伯特·博世有限公司 尿素水溶液喷射***的回抽过程监测***和方法

Family Cites Families (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2780602A (en) * 1951-11-30 1957-02-05 Transonic Corp Compositions for improving combustion in an internal combustion engine
US2914048A (en) * 1956-05-05 1959-11-24 Philipp Franz Internal-combustion engine with adjustable combustion chamber
BE588969A (de) * 1959-03-26
US3109511A (en) * 1960-06-07 1963-11-05 Owens Corning Fiberglass Corp Muffler liner
US3233697A (en) * 1960-06-07 1966-02-08 Owens Corning Fiberglass Corp Muffler internally coated with highly refractory fibers
US3166895A (en) * 1960-06-10 1965-01-26 Owens Corning Fiberglass Corp Catalytic muffling system for reducing contaminants in exhaust gases
US3082752A (en) * 1961-04-04 1963-03-26 Reynolds Metals Co Lined engine members and methods of making the same or the like
US3302394A (en) * 1965-11-24 1967-02-07 Du Pont Exhaust manifold reactor
US3459167A (en) * 1968-01-22 1969-08-05 Southwick W Briggs Internal combustion engine
US3649225A (en) * 1969-11-17 1972-03-14 United Aircraft Corp Composite coating for the superalloys
US3896244A (en) * 1971-11-17 1975-07-22 Chromalloy American Corp Method of producing plasma sprayed titanium carbide tool steel coatings
US3820523A (en) * 1973-03-08 1974-06-28 M Showalter Internal combustion chamber
US4122673A (en) * 1973-09-28 1978-10-31 J. Eberspacher Internal combustion engine with afterburning and catalytic reaction in a supercharger turbine casing
DE2549256C2 (de) * 1975-11-04 1983-12-29 Volkswagenwerk Ag, 3180 Wolfsburg Wärmeisolierte Anordnung zur Durchleitung von unter hohen Temperaturen stehenden Gasen
DE2557725A1 (de) * 1975-12-20 1977-06-23 Audi Nsu Auto Union Ag Abgasentgiftungsanlage fuer brennkraftmaschinen in kraftfahrzeugen
US4209334A (en) * 1976-04-15 1980-06-24 Brunswick Corporation Porous ceramic seals and method of making same
US4401697A (en) * 1980-01-07 1983-08-30 United Technologies Corporation Method for producing columnar grain ceramic thermal barrier coatings
US4819595A (en) * 1981-03-30 1989-04-11 Pfefferle William C Method of operating catalytic ignition cyclic engines
SU1063859A1 (ru) * 1982-04-07 1983-12-30 Белорусское республиканское научно-производственное объединение порошковой металлургии Способ нанесени покрытий на стальные издели
US5514482A (en) * 1984-04-25 1996-05-07 Alliedsignal Inc. Thermal barrier coating system for superalloy components
WO1988004698A2 (en) * 1987-12-15 1988-06-30 Plasmainvent Ag Process for manufacturing and/or redimensioning components, and component thus produced
US4880614A (en) * 1988-11-03 1989-11-14 Allied-Signal Inc. Ceramic thermal barrier coating with alumina interlayer
US5014903A (en) * 1988-11-25 1991-05-14 Cyb Frederick F Heat-retaining exhaust components and method of preparing same
FI912304A (fi) * 1991-05-10 1992-11-11 Intercooler Ky Anordningar foer foerbraenningsmotor
US5236787A (en) * 1991-07-29 1993-08-17 Caterpillar Inc. Thermal barrier coating for metallic components
AU3323193A (en) * 1991-12-24 1993-07-28 Detroit Diesel Corporation Thermal barrier coating and method of depositing the same on combustion chamber component surfaces
WO1993024672A1 (en) * 1992-05-29 1993-12-09 United Technologies Corporation Ceramic thermal barrier coating for rapid thermal cycling applications
US5268045A (en) * 1992-05-29 1993-12-07 John F. Wolpert Method for providing metallurgically bonded thermally sprayed coatings
US5305726A (en) * 1992-09-30 1994-04-26 United Technologies Corporation Ceramic composite coating material
DE4242099A1 (de) * 1992-12-14 1994-06-16 Abb Patent Gmbh Vorrichtung, insbesondere Gasturbineneinrichtung, mit einer Beschichtung von Einrichtungsteilen
DE4314204C1 (de) * 1993-04-30 1994-11-03 Daimler Benz Ag Abgasanlage für eine Brennkraftmaschine eines Fahrzeuges
EP0688885B1 (de) * 1994-06-24 1999-12-29 Praxair S.T. Technology, Inc. Verfahren zur Herstellung eines Überzuges auf der Basis von MCrAlY mit feinverteilten Oxiden
US5714202A (en) * 1995-06-07 1998-02-03 Lemelson; Jerome H. Synthetic diamond overlays for gas turbine engine parts having thermal barrier coatings

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10158177B4 (de) * 2000-12-07 2008-06-12 Ford Global Technologies, LLC (n.d.Ges.d. Staates Delaware), Dearborn Verfahren und Vorrichtung zur Steuerung eines Mehrzylinderverbrennungsmotors

Also Published As

Publication number Publication date
WO1997040266A3 (en) 1998-01-15
WO1997040266A2 (en) 1997-10-30
AU3054597A (en) 1997-11-12
US6256984B1 (en) 2001-07-10

Similar Documents

Publication Publication Date Title
DE19781712T1 (de) System zur Verringerung schädlicher Abgasemissionen aus Dieselmotoren
ZA973364B (en) System for reduction of harmful exhaust emissions from diesel engines.
DE69005055D1 (de) Einheitliches Abgassystem und Methode zur Reduzierung der Feststoffemissionen aus internen Verbrennungsmotoren.
GB2319304B (en) Exhaust-gas turbocharger for internal combustion engines
DE69216101D1 (de) Partikelfilter zur reinigung von dieselmotorabgas
FI991133A (fi) Dieselmoottoreiden pakokaasujen puhdistusjärjestelmä
DE69737840D1 (de) Abgasrückführung in Brennkraftmaschinen
DE59508264D1 (de) Verfahren zur Reduzierung von Schadstoffen des Abgases einer mehrere Zylinder aufweisenden Brennkraftmaschine
DE69225150T2 (de) Katalysator zur Reinigung von Abgassen aus Dieselmotoren
DE69716793D1 (de) Steuergerät für Abgasrückführungssystem für Dieselbrennkraftmaschine
DE69932904D1 (de) Katalysator zur Reinigung von Abgasen aus mager betriebenen Verbrennungsmotoren
DE69422938D1 (de) Katalysator zur Reinigung von Abgasen aus Dieselmotoren
DE69516082T2 (de) Abgassystem für Verbrennungsmotor
DE59302688D1 (de) Abgasanlage für Verbrennungsmotoren
DE69731663D1 (de) Katalysator zur abgaskontrolle für dieselmotoren
ATA133089A (de) Auspuffanlage fuer zweitakt-brennkraftmaschinen
DE69710243D1 (de) Einlassystem für Brennkraftmaschine
DE59300917D1 (de) Auspuffanlage für Zweitakt-Brennkraftmaschinen.
DE59501578D1 (de) Abgassystem für eine verbrennungskraftmaschine
DE69701162T2 (de) Einlasssystem in einer Brennkraftmaschine
FI960870A0 (fi) Dieselpolttomoottorin pakoventtiili
DE69813376D1 (de) Abgasrückführungssystem für Brennkraftmaschine
KR950033568U (ko) 디젤엔진의 배기가스 여과장치
GB9701258D0 (en) Exhaust system for internal combustion engines
KR970040448U (ko) 디이젤 기관의 배기가스 걸름 장치

Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8131 Rejection