SE8704904L - Anordning for katalytisk rening av avgaser fran en fordonsmotor - Google Patents
Anordning for katalytisk rening av avgaser fran en fordonsmotorInfo
- Publication number
- SE8704904L SE8704904L SE8704904A SE8704904A SE8704904L SE 8704904 L SE8704904 L SE 8704904L SE 8704904 A SE8704904 A SE 8704904A SE 8704904 A SE8704904 A SE 8704904A SE 8704904 L SE8704904 L SE 8704904L
- Authority
- SE
- Sweden
- Prior art keywords
- housing
- gas
- vehicle engine
- inner shell
- catalytic cleaning
- Prior art date
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
- F01N3/10—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
- F01N3/2839—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration
- F01N3/2853—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration using mats or gaskets between catalyst body and housing
- F01N3/2857—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration using mats or gaskets between catalyst body and housing the mats or gaskets being at least partially made of intumescent material, e.g. unexpanded vermiculite
-
- 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
- F01N3/2839—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration
- F01N3/2875—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration by using elastic means, e.g. spring leaves, for retaining catalyst body in the housing
-
- 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
- F01N2330/00—Structure of catalyst support or particle filter
- F01N2330/06—Ceramic, e.g. monoliths
-
- 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
- F01N2350/00—Arrangements for fitting catalyst support or particle filter element in the housing
- F01N2350/02—Fitting ceramic monoliths in a metallic housing
- F01N2350/04—Fitting ceramic monoliths in a metallic housing with means compensating thermal expansion
-
- 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
- F01N2350/00—Arrangements for fitting catalyst support or particle filter element in the housing
- F01N2350/02—Fitting ceramic monoliths in a metallic housing
- F01N2350/06—Fitting ceramic monoliths in a metallic housing with means preventing gas flow by-pass or leakage
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Gas After Treatment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19873700070 DE3700070A1 (de) | 1987-01-02 | 1987-01-02 | Vorrichtung fuer die katalytische reinigung von fahrzeugmotor-abgasen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE8704904D0 SE8704904D0 (sv) | 1987-12-08 |
| SE8704904L true SE8704904L (sv) | 1988-07-03 |
Family
ID=6318409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8704904A SE8704904L (sv) | 1987-01-02 | 1987-12-08 | Anordning for katalytisk rening av avgaser fran en fordonsmotor |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4927608A (fr) |
| EP (1) | EP0275565B1 (fr) |
| DE (2) | DE3700070A1 (fr) |
| FR (1) | FR2609308A1 (fr) |
| IT (1) | IT1224432B (fr) |
| SE (1) | SE8704904L (fr) |
Families Citing this family (47)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3820981A1 (de) * | 1988-06-22 | 1989-12-28 | Leistritz Ag | Abgasreinigungsvorrichtung mit dicht umhuellter lager- und isolationsmatte |
| DE3822944A1 (de) * | 1988-07-07 | 1990-01-11 | Leistritz Ag | Abgaskatalysator |
| DE3834403A1 (de) * | 1988-10-10 | 1990-04-12 | Zeuna Staerker Kg | Vorrichtung zur katalytischen reinigung von abgasen aus verbrennungsmotoren |
| DE3837503A1 (de) * | 1988-11-04 | 1990-05-10 | Gillet Heinrich Gmbh | Abgas-katalysator fuer kraftfahrzeuge |
| FR2646977B1 (fr) * | 1989-05-10 | 1994-07-29 | Thomson Csf | Procede et dispositif de transmission de l'information entre emetteurs-recepteurs radioelectriques d'un meme reseau fonctionnant en evasion de frequence |
| DE3929205A1 (de) * | 1989-09-02 | 1991-03-21 | Leistritz Ag | Abgasvorrichtung, insbes. abgasreinigungsvorrichtung |
| DE4024015A1 (de) * | 1990-07-28 | 1992-02-06 | Boysen Friedrich Gmbh Co Kg | Vorrichtung zur katalytischen reinigung bzw. zerlegung von heissen abgasen |
| DE4041856A1 (de) * | 1990-12-24 | 1992-06-25 | Behr Gmbh & Co | Vorrichtung zur katalytischen entgiftung von abgasen, vorzugsweise von verbrennungskraftmaschinen |
| DE4109626A1 (de) * | 1991-03-23 | 1992-09-24 | Eberspaecher J | Halterung eines traegerkoerpers in abgasanlagen von fahrzeugen |
| DE9202554U1 (de) * | 1992-02-27 | 1992-04-16 | Heinrich Gillet GmbH & Co KG, 6732 Edenkoben | Vorrichtung zum katalytischen Reinigen der Abgase von Verbrennungsmotoren |
| DE4223648C2 (de) * | 1992-07-17 | 1996-02-01 | Zeuna Staerker Kg | Katalytische Abgasreinigungsvorrichtung |
| EP0678128B1 (fr) * | 1993-01-07 | 1996-09-25 | Minnesota Mining And Manufacturing Company | Mat non tisse souple |
| US6245301B1 (en) | 1993-08-20 | 2001-06-12 | 3M Innovative Properties Company | Catalytic converter and diesel particulate filter |
| US5882608A (en) * | 1996-06-18 | 1999-03-16 | Minnesota Mining And Manufacturing Company | Hybrid mounting system for pollution control devices |
| US6726884B1 (en) * | 1996-06-18 | 2004-04-27 | 3M Innovative Properties Company | Free-standing internally insulating liner |
| DE19711789C2 (de) * | 1997-03-21 | 2000-05-25 | Zeuna Staerker Kg | Kraftfahrzeug-Abgasreinigungsvorrichtung und Verfahren zu ihrer Herstellung |
| US6923942B1 (en) | 1997-05-09 | 2005-08-02 | 3M Innovative Properties Company | Compressible preform insulating liner |
| US6547208B2 (en) * | 2000-12-27 | 2003-04-15 | Delphi Technologies, Inc. | Motor mounting assembly |
| US20050002836A1 (en) * | 2001-04-13 | 2005-01-06 | Hardesty Jeffrey B. | Gas treatment device, and methods of making and using the same |
| FR2839533B1 (fr) * | 2002-05-07 | 2004-11-19 | Faurecia Sys Echappement | Dispositif nettoyable de depollution des gaz d'echappement d'un moteur |
| US7238327B2 (en) * | 2002-12-10 | 2007-07-03 | Automotive Components Holdings, Llc | Method of attaching internal heat shield in automotive catalytic converters |
| KR101148724B1 (ko) | 2003-01-22 | 2012-05-29 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | 성형 3차원 절연체 |
| KR101058770B1 (ko) * | 2004-06-29 | 2011-08-24 | 유니프랙스 아이 엘엘씨 | 배기 가스 처리 장치 및 배기 가스 처리 장치의 제조 방법 |
| US20070081927A1 (en) * | 2005-10-07 | 2007-04-12 | Woon-Suck Baek | Catalytic converter cover |
| US7896943B2 (en) | 2008-02-07 | 2011-03-01 | Bgf Industries, Inc. | Frustum-shaped insulation for a pollution control device |
| EP2328674B1 (fr) * | 2008-08-29 | 2014-04-23 | Unifrax I LLC | Mat de montage avec protection de bord flexible et dispositif de traitement des gaz d échappement intégrant le mat de montage |
| DE102009043577B4 (de) * | 2008-10-01 | 2014-01-23 | Witzenmann Gmbh | Entkoppelelement mit einem Filterelement |
| KR101784013B1 (ko) | 2008-12-15 | 2017-10-10 | 유니프랙스 아이 엘엘씨 | 세라믹 허니콤 구조체의 스킨 코팅 |
| AU2009333811B2 (en) * | 2009-01-05 | 2013-08-22 | Unifrax I Llc | High strength biosoluble inorganic fiber insulation mat |
| CN102459834B (zh) * | 2009-04-17 | 2017-02-08 | 尤尼弗瑞克斯 I 有限责任公司 | 排气处理装置 |
| GB0906837D0 (en) | 2009-04-21 | 2009-06-03 | Saffil Automotive Ltd | Mats |
| WO2011019377A2 (fr) * | 2009-08-10 | 2011-02-17 | Unifrax I Llc | Préforme ou tapis de montage dont la masse surfacique est variable et dispositif de traitement des gaz déchappement |
| CN102686843B (zh) * | 2009-08-14 | 2015-04-01 | 尤尼弗瑞克斯I有限责任公司 | 多层基底支承体和排气处理装置 |
| US9174169B2 (en) | 2009-08-14 | 2015-11-03 | Unifrax I Llc | Mounting mat for exhaust gas treatment device |
| US8071040B2 (en) | 2009-09-23 | 2011-12-06 | Unifax I LLC | Low shear mounting mat for pollution control devices |
| CN102575552B (zh) * | 2009-09-24 | 2016-03-16 | 尤尼弗瑞克斯I有限责任公司 | 多层垫和废气处理装置 |
| ES2615496T3 (es) | 2009-12-01 | 2017-06-07 | Unifrax Emission Control Europe Ltd. | Esterilla de montaje |
| CN102753795B (zh) | 2009-12-17 | 2016-02-17 | 尤尼弗瑞克斯I有限责任公司 | 微球体在废气处理装置安装垫中的用途 |
| US20110150717A1 (en) * | 2009-12-17 | 2011-06-23 | Unifrax I Llc | Mounting mat for exhaust gas treatment device |
| CA2782413C (fr) * | 2009-12-17 | 2017-12-05 | Unifrax I Llc | Nappe de montage multicouche pour dispositifs antipollution |
| US8765069B2 (en) | 2010-08-12 | 2014-07-01 | Unifrax I Llc | Exhaust gas treatment device |
| EP2603676B1 (fr) | 2010-08-13 | 2016-03-23 | Unifrax I LLC | Matelas de fixation présentant une protection de bord flexible et dispositif de traitement des gaz d'échappement comprenant le matelas de fixation |
| US9924564B2 (en) | 2010-11-11 | 2018-03-20 | Unifrax I Llc | Heated mat and exhaust gas treatment device |
| EP2638261A4 (fr) | 2010-11-11 | 2014-08-06 | Unifrax I Llc | Mat de support et dispositif de traitement des gaz d'échappement |
| SE536327C2 (sv) | 2011-11-22 | 2013-08-20 | Scania Cv Ab | Arrangemang för montering av en avgasrenande enhet i en avgaspassage |
| DE102014006761A1 (de) * | 2013-06-21 | 2014-12-24 | Modine Manufacturing Company | Abgaskühler |
| KR20170118679A (ko) | 2015-02-24 | 2017-10-25 | 유니프랙스 아이 엘엘씨 | 내고온성 절연 매트 |
Family Cites Families (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2211522A1 (de) * | 1972-03-10 | 1973-09-13 | Volkswagenwerk Ag | Vorrichtung zur katalytischen abgasreinigung, insbesondere fuer kraftfahrzeugmotoren |
| US4344922A (en) * | 1972-03-21 | 1982-08-17 | Zeuna-Staerker Kg | Catalyzer for detoxifying exhaust gases from internal combustion |
| US4004888A (en) * | 1972-04-07 | 1977-01-25 | Kali-Chemie Aktiengesellschaft | Exhaust gas cleaning arrangement with a resiliently supported monolithic ceramic catalyzer |
| JPS5148529B2 (fr) * | 1972-05-13 | 1976-12-21 | ||
| DE2243251B2 (de) * | 1972-09-02 | 1976-01-02 | Paul Gillet Gmbh, 6732 Edenkoben | Vorrichtung zur Reinigung der Abgase von Brennkraftmaschinen |
| GB1437114A (en) * | 1972-09-23 | 1976-05-26 | Daimler Benz Ag | Exhaust pipe apparatus comprising a catalyst element |
| US3817714A (en) * | 1972-10-10 | 1974-06-18 | Corning Glass Works | Catalytic converter |
| DE2301646A1 (de) * | 1973-01-13 | 1974-08-01 | Pforzheim Metallschlauch | Katalysatortopf fuer abgasleitungen |
| US4004887A (en) * | 1973-03-16 | 1977-01-25 | Tenneco Inc. | Catalytic converter having a resilient thermal-variation compensating monolith-mounting arrangement |
| US3978567A (en) * | 1973-03-19 | 1976-09-07 | Chrysler Corporation | Method of making a catalytic reactor for automobile |
| DE2364425A1 (de) * | 1973-12-22 | 1975-07-10 | Boysen Friedrich Kg | Katalysator, insbesondere fuer auspuffund entgiftungsanlagen |
| DE2407990A1 (de) * | 1974-02-20 | 1975-08-28 | Eberspaecher J | Vorrichtung zur katalytischen reinigung der abgase von brennkraftmaschinen |
| DE2458994A1 (de) * | 1974-12-13 | 1976-06-16 | Eberspaecher J | Anordnung zur katalytischen reinigung von abgasen |
| US4043761A (en) * | 1975-03-03 | 1977-08-23 | J. Eberspacher | Catalytic converter having resilient monolith-mounting means |
| US4155980A (en) * | 1976-06-19 | 1979-05-22 | Zeuna-Starker Kg | Apparatus for catalytic purifying the effluent gases of internal combustion engines |
| DE2824567A1 (de) * | 1978-06-05 | 1979-12-06 | Hoechst Ag | Abgaskonverter fuer brennkraftmaschinen |
| JPS6027770Y2 (ja) * | 1980-03-07 | 1985-08-22 | 日産自動車株式会社 | 触媒式排気後処理装置のガスシ−ル保護構造 |
| DE3402916A1 (de) * | 1984-01-28 | 1985-08-08 | Daimler-Benz Ag, 7000 Stuttgart | Katalysatorgehaeuse fuer kraftfahrzeuge |
| DE3432283A1 (de) * | 1984-09-01 | 1986-03-13 | LEISTRITZ Maschinenfabrik GmbH, 8500 Nürnberg | Katalytische abgasentgiftungseinrichtung |
| DE3433938A1 (de) * | 1984-09-15 | 1985-10-24 | Bayerische Motoren Werke AG, 8000 München | Abgaskonverter fuer brennkraftmaschinen |
| DE3509790A1 (de) * | 1985-03-19 | 1986-10-09 | LEISTRITZ Maschinenfabrik GmbH, 8500 Nürnberg | Abgasreinigungsvorrichtung fuer kraftfahrzeuge |
| EP0193072B1 (fr) * | 1985-02-22 | 1989-04-12 | Leistritz Aktiengesellschaft | Dispositif d'épuration catalytique des gaz d'échappement |
| DE3506219A1 (de) * | 1985-02-22 | 1986-09-04 | LEISTRITZ Maschinenfabrik GmbH, 8500 Nürnberg | Katalytische abgasentgiftungseinrichtung |
| DE3524775C1 (de) * | 1985-07-11 | 1986-09-04 | Daimler-Benz Ag, 7000 Stuttgart | In einem metallenen Gehaeuse angeordneter monolithischer Abgaskatalysator |
| US4667386A (en) * | 1985-08-23 | 1987-05-26 | Honda Giken Kogyo Kabushiki Kaisha | Method and apparatus for assembling an insert assembly for a catalytic converter |
-
1987
- 1987-01-02 DE DE19873700070 patent/DE3700070A1/de not_active Withdrawn
- 1987-12-08 SE SE8704904A patent/SE8704904L/xx not_active Application Discontinuation
- 1987-12-29 IT IT23257/87A patent/IT1224432B/it active
- 1987-12-29 FR FR8718517A patent/FR2609308A1/fr not_active Withdrawn
- 1987-12-31 DE DE8787119403T patent/DE3771058D1/de not_active Expired - Lifetime
- 1987-12-31 US US07/139,904 patent/US4927608A/en not_active Expired - Fee Related
- 1987-12-31 EP EP87119403A patent/EP0275565B1/fr not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| IT8723257A0 (it) | 1987-12-29 |
| SE8704904D0 (sv) | 1987-12-08 |
| FR2609308A1 (fr) | 1988-07-08 |
| IT1224432B (it) | 1990-10-04 |
| US4927608A (en) | 1990-05-22 |
| DE3771058D1 (de) | 1991-08-01 |
| EP0275565B1 (fr) | 1991-06-26 |
| DE3700070A1 (de) | 1988-07-14 |
| EP0275565A1 (fr) | 1988-07-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| SE8704904L (sv) | Anordning for katalytisk rening av avgaser fran en fordonsmotor | |
| MY112813A (en) | Electrically heatable catalyst | |
| IT1251547B (it) | Marmitta silenziatrice combinata con convertitore catalitico per motori a combustione interna. | |
| EP0382434A3 (en) | Catalyst for purification of exhaust gas from diesel engine | |
| ES2141504T3 (es) | Sistema de purificacion de los gases de escape de un motor diesel. | |
| ZA895688B (en) | Catalyst for the purification of exhaust gases of internal combustion engines with reduced hydrogen sulphide emission preparation and use | |
| GB2198057B (en) | Apparatus for removing soot from the exhaust gases of an internal combustion engine | |
| IT8068354A0 (it) | Dispositivo per la depurazione per via catalitica dei gas di scaricodi motori a combustione interna | |
| GR3024510T3 (en) | Exhaust duct with a catalytic wall, for internal combustion engines | |
| IT1215484B (it) | Procedimento per la depurazione termica dei gas di scarico di un dispositivo per il trattamento termico. | |
| IT1226297B (it) | Silenziatore per i gas di scarico di motori a c.i. di autoveicoli | |
| ATE106112T1 (de) | Abgasreinigungssystem zur katalytischen reinigung der auspuffgase von zweitaktmotoren. | |
| ES2085538T3 (es) | Filtro de hollin con generador de gas caliente. | |
| GB2246085A (en) | Recirculatory system | |
| IT1223047B (it) | Dispositivo per eliminare nerofumo dai gas di scarico di un motore endotermico specialmente un motore diesel | |
| FI901918A7 (fi) | Katalysaattori polttomoottoreiden pakokaasuja varten | |
| SE8802953L (sv) | Foerfarande foer bortbraenning av sot ur avgaserna i en foerbraenningsmotor | |
| EP0174919A3 (en) | Catalytic off gas purification device | |
| ES2109030T3 (es) | Dispositivo para la depuracion catalitica o descomposicion de gases de escape calientes. | |
| GB2022697A (en) | Improvements in or relating to exhaust gas silencers for internal combustion engines | |
| FR2599082B1 (fr) | Silencieux pour gaz d'echappement de vehicules | |
| SE8700232L (sv) | Anordning for rening av avgaser fran forbrenningsmotorer | |
| SE8505903D0 (sv) | Katalysatorhus | |
| GB8805074D0 (en) | Pipe with end flange for vehicle engine exhaust gases | |
| JPH04334717A (ja) | 小型エンジンの排気ガス浄化装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NAV | Patent application has lapsed |
Ref document number: 8704904-5 Effective date: 19910701 Format of ref document f/p: F |