DE3928760C2 - - Google Patents

Info

Publication number
DE3928760C2
DE3928760C2 DE3928760A DE3928760A DE3928760C2 DE 3928760 C2 DE3928760 C2 DE 3928760C2 DE 3928760 A DE3928760 A DE 3928760A DE 3928760 A DE3928760 A DE 3928760A DE 3928760 C2 DE3928760 C2 DE 3928760C2
Authority
DE
Germany
Prior art keywords
exhaust gas
adsorbent
catalyst
temperature
gas purification
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.)
Expired - Lifetime
Application number
DE3928760A
Other languages
German (de)
English (en)
Other versions
DE3928760A1 (de
Inventor
Takashi Toyota Aichi Jp Minami
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.)
Toyota Motor Corp
Original Assignee
Toyota Motor 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
Application filed by Toyota Motor Corp filed Critical Toyota Motor Corp
Publication of DE3928760A1 publication Critical patent/DE3928760A1/de
Application granted granted Critical
Publication of DE3928760C2 publication Critical patent/DE3928760C2/de
Granted legal-status Critical Current

Links

Classifications

    • 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
    • B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
    • B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
    • 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
    • B01D53/9481—Catalyst preceded by an adsorption device without catalytic function for temporary storage of contaminants, e.g. during cold start
    • 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
    • F01N13/009—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 separate purifying devices arranged in series
    • 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
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0814—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with catalytic converters, e.g. NOx absorption/storage reduction catalysts
    • 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
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
    • F01N3/0835—Hydrocarbons
    • 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
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0871—Regulation of absorbents or adsorbents, e.g. purging
    • F01N3/0878—Bypassing absorbents or adsorbents
    • 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
    • F01N3/2846—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration specially adapted for granular supports, e.g. pellets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
    • F01N2240/18—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being an adsorber or absorber
    • 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
    • F01N2250/00—Combinations of different methods of purification
    • 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
    • F01N2250/00—Combinations of different methods of purification
    • F01N2250/12—Combinations of different methods of purification absorption or adsorption, and catalytic conversion
    • 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
    • F01N2370/00—Selection of materials for exhaust purification
    • F01N2370/22—Selection of materials for exhaust purification used in non-catalytic purification apparatus
    • 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
    • F01N2370/00—Selection of materials for exhaust purification
    • F01N2370/22—Selection of materials for exhaust purification used in non-catalytic purification apparatus
    • F01N2370/24—Zeolitic material
    • 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
    • F01N2370/00—Selection of materials for exhaust purification
    • F01N2370/40—Activated carbon or charcoal
    • 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
    • F01N2410/00—By-passing, at least partially, exhaust from inlet to outlet of apparatus, to atmosphere or to other device
    • F01N2410/02—By-passing, at least partially, exhaust from inlet to outlet of apparatus, to atmosphere or to other device in case of high temperature, e.g. overheating of catalytic reactor
    • 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
    • F01N2410/00—By-passing, at least partially, exhaust from inlet to outlet of apparatus, to atmosphere or to other device
    • F01N2410/12—By-passing, at least partially, exhaust from inlet to outlet of apparatus, to atmosphere or to other device in case of absorption, adsorption or desorption of exhaust gas constituents
    • 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
    • F01N3/18—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 methods of operation; Control
    • F01N3/20—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 methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Materials Engineering (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Catalysts (AREA)
  • Treating Waste Gases (AREA)
DE3928760A 1988-09-09 1989-08-30 Abgas-reinigungsvorrichtung fuer automobile Granted DE3928760A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63226070A JPH0615016B2 (ja) 1988-09-09 1988-09-09 自動車排気ガス浄化装置

Publications (2)

Publication Number Publication Date
DE3928760A1 DE3928760A1 (de) 1990-03-15
DE3928760C2 true DE3928760C2 ( ) 1992-05-27

Family

ID=16839340

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3928760A Granted DE3928760A1 (de) 1988-09-09 1989-08-30 Abgas-reinigungsvorrichtung fuer automobile

Country Status (3)

Country Link
US (1) US4985210A ( )
JP (1) JPH0615016B2 ( )
DE (1) DE3928760A1 ( )

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4400202C1 (de) * 1994-01-05 1995-04-06 Daimler Benz Ag Verfahren zur Reduzierung von Kohlenwasserstoff-Emissionen einer Brennkraftmaschine
DE4419776B4 (de) * 1993-06-23 2006-07-27 Volkswagen Ag Abgasanlage

Families Citing this family (101)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0625538B2 (ja) * 1989-10-24 1994-04-06 ニチアス株式会社 メタノールエンジンの排気浄化装置
JPH03141816A (ja) * 1989-10-27 1991-06-17 Toyota Motor Corp 排気ガス浄化装置
JPH0724575Y2 (ja) * 1989-12-12 1995-06-05 ニチアス株式会社 内燃機関の排気浄化装置
JPH04118053A (ja) * 1989-12-29 1992-04-20 Tokyo Roki Kk エンジンの排気ガス浄化用触媒
DE4008789C2 (de) * 1990-03-19 1993-12-16 Schatz Oskar Verfahren und Vorrichtung zur Behandlung der Abgase von Verbrennungsmotoren
DE9003204U1 (de) * 1990-03-19 1990-08-30 Schatz, Oskar, Dr.-Ing., 82131 Gauting Vorrichtung zur Behandlung der Abgase von Verbrennungsmotoren
US6089014A (en) * 1990-06-08 2000-07-18 Corning Incorporated Engine exhaust system with reduced hydrocarbon emissions
US5125231A (en) * 1990-06-08 1992-06-30 Corning Incorporated Dual converter engine exhaust system for reducing hydrocarbon emissions
US5078979A (en) * 1990-07-20 1992-01-07 Uop Molecular sieve bed/catalyst to treat automotive exhaust
US5051244A (en) * 1990-07-20 1991-09-24 Uop Use of a molecular sieve bed to minimize emissions during cold start of internal combustion engines
JPH0434416U ( ) * 1990-07-20 1992-03-23
DE4025565C2 (de) * 1990-08-11 1999-09-16 Audi Ag Vorrichtung zur Reinigung der Abgase einer Brennkraftmaschine
ES2021559A6 (es) * 1990-08-20 1991-11-01 Pedraforca Carbones Procedimiento y dispositivo para la disminucion del monoxido de carbono, oxidos de nitrogeno e hidrocarburos contenido en los gases de escape de motores endotermicos.
US5296198A (en) * 1990-11-09 1994-03-22 Ngk Insulators, Ltd. Heater and catalytic converter
US6869573B2 (en) 1990-11-09 2005-03-22 Ngk Insulators, Ltd. Heater and catalytic converter
DE4039951A1 (de) * 1990-12-14 1992-06-17 Hasso Von Bluecher Hitzebestaendiger adsorptionsfilter
US5184462A (en) * 1991-03-19 1993-02-09 Oskar Schatz Method and an apparatus for the treatment of exhaust gas from an IC engine
JP2727801B2 (ja) * 1991-07-03 1998-03-18 三菱自動車工業株式会社 エンジンの制御方法及びその制御装置
US5207734A (en) * 1991-07-22 1993-05-04 Corning Incorporated Engine exhaust system for reduction of hydrocarbon emissions
JP2768076B2 (ja) * 1991-08-23 1998-06-25 三菱自動車工業株式会社 エンジンの空燃比制御装置
US5155077A (en) * 1991-09-03 1992-10-13 Ford Motor Company Catalyst for purification of lean-burn engine exhaust gas
JPH0579319A (ja) * 1991-09-20 1993-03-30 Hitachi Ltd エンジン排気浄化システム
US5142864A (en) * 1991-09-30 1992-09-01 Uop Process for treating an engine exhaust stream employing a catalyst, an adsorbent bed and a turbocharger
JP3083599B2 (ja) * 1991-09-30 2000-09-04 株式会社日立製作所 排気ガス浄化システム
JPH0532711U (ja) * 1991-10-04 1993-04-30 紀雄 原田 有害排気の浄化装置
DE4236271C2 (de) * 1991-10-28 1994-09-22 Toyota Motor Co Ltd Abgasemissionssteuervorrichtung unter Einsatz eines katalytischen Konverters mit einem Kohlenwasserstoffadsorptionsmittel
JP2783074B2 (ja) * 1991-10-29 1998-08-06 トヨタ自動車株式会社 内燃機関の排気浄化装置
DE59303286D1 (de) * 1992-03-18 1996-08-29 Bayerische Motoren Werke Ag Abgasreinigungsvorrichtung einer Brennkraftmaschine mit einem Konverter sowie einem Adsorber
US5303547A (en) * 1992-04-15 1994-04-19 Amoco Corporation Emissions control system and method
US5284638A (en) * 1992-08-05 1994-02-08 Corning Incorporated System and method for removing hydrocarbons from gaseous mixtures using multiple adsorbing agents
US5260035A (en) * 1992-08-05 1993-11-09 Corning Incorporated Apparatus and method for modifying gaseous mixtures
DE4226394C2 (de) * 1992-08-10 1999-01-21 Degussa Verfahren zur katalytischen Autoabgasreinigung mit verbessertem Kaltstartverhalten
DE4328125B4 (de) * 1992-08-21 2004-03-18 Denso Corp., Kariya Abgasreinigungsvorrichtung für einen Verbrennungsmotor oder dergleichen
US5462905A (en) * 1992-08-21 1995-10-31 Toyota Jidosha Kabushiki Kaisha Exhaust gas purifying catalyst
US5634332A (en) * 1992-09-16 1997-06-03 Nippondenso Co., Ltd. Exhaust gas purification apparatus
DE69315153T2 (de) * 1992-09-16 1998-04-02 Denso Corp Abgasreinigungsvorrichtung für einen Verbrennungsmotor
EP0593898B1 (en) * 1992-10-20 1997-01-29 Corning Incorporated Exhaust gas conversion method and apparatus using thermally stable zeolites
CA2100935A1 (en) * 1992-10-20 1994-04-21 William Hertl Exhaust gas conversion system using zeolite positioned close to exhaust gas source
ES2064231B1 (es) * 1992-11-10 1997-11-16 Calvo Jose Manuel Esteban Silencioso depurador de gases, de aplicacion a motores de combustion interna.
US6171556B1 (en) 1992-11-12 2001-01-09 Engelhard Corporation Method and apparatus for treating an engine exhaust gas stream
EP0677142B1 (en) 1992-11-19 2000-03-22 Engelhard Corporation Method and apparatus for treating an engine exhaust gas stream
DE4239875C2 (de) * 1992-11-27 1999-02-11 Degussa Abgasreinigungssystem zur Verminderung der Kohlenwasserstoff-Emissionen während des Kaltstarts von Verbrennungskraftmaschinen
JP3311051B2 (ja) * 1992-12-16 2002-08-05 日本碍子株式会社 排気ガス浄化方法及び装置
US5738832A (en) * 1993-02-15 1998-04-14 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Exhaust gas purifying apparatus
US5492679A (en) * 1993-03-08 1996-02-20 General Motors Corporation Zeolite/catalyst wall-flow monolith adsorber
ATE158845T1 (de) * 1993-05-25 1997-10-15 Grace W R & Co Kombinierter, elektrisch heizbarer umwandler
JP3307502B2 (ja) * 1993-07-06 2002-07-24 株式会社日本自動車部品総合研究所 排気ガス浄化装置
WO1995002450A1 (en) * 1993-07-16 1995-01-26 Thermatrix Inc. Method and afterburner apparatus for control of highly variable flows
DE4328405A1 (de) * 1993-08-24 1995-03-02 Duerrwaechter E Dr Doduco Verfahren und Vorrichtung zum Entfernen und Oxidieren organischer Bestandteile von Küchendünsten
JP3052710B2 (ja) * 1993-12-20 2000-06-19 日産自動車株式会社 排ガス浄化装置
DE19502345B4 (de) * 1994-02-11 2006-03-02 Volkswagen Ag Abgasreinigungsvorrichtung für eine Brennkraftmaschine mit einem Adsorber und einem diesem nachgeschalteten Katalysator
DE69505902T2 (de) * 1994-07-05 1999-04-01 Ford Werke Ag Katalysator System
US5813222A (en) * 1994-10-07 1998-09-29 Appleby; Anthony John Method and apparatus for heating a catalytic converter to reduce emissions
FR2728300B1 (fr) * 1994-12-19 1997-03-14 Peugeot Dispositif de traitement des gaz d'echappement d'un moteur a allumage par compression comportant un catalyseur et un adsorbeur d'oxydes d'azote places dans le collecteur d'echappement
FR2728301B1 (fr) * 1994-12-19 1997-03-14 Peugeot Dispositif de traitement des gaz d'echappement d'un moteur a allumage commande comportant un corps catalyseur et un adsorbeur d'hydrocarbures disposes a l'interieur d'un collecteur d'echappement
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