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FR2284027A1 - Dispositif d'epuration par catalyse des gaz d'echappement - Google Patents

Dispositif d'epuration par catalyse des gaz d'echappement

Info

Publication number
FR2284027A1
FR2284027A1 FR7526768A FR7526768A FR2284027A1 FR 2284027 A1 FR2284027 A1 FR 2284027A1 FR 7526768 A FR7526768 A FR 7526768A FR 7526768 A FR7526768 A FR 7526768A FR 2284027 A1 FR2284027 A1 FR 2284027A1
Authority
FR
France
Prior art keywords
exhaust gas
treatment device
gas catalysis
catalysis treatment
exhaust
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.)
Granted
Application number
FR7526768A
Other languages
English (en)
Other versions
FR2284027B1 (fr
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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
Priority claimed from JP10625174U external-priority patent/JPS5133609U/ja
Priority claimed from JP10151674A external-priority patent/JPS5129620A/ja
Priority claimed from JP14744874A external-priority patent/JPS5172823A/ja
Priority claimed from JP1975074986U external-priority patent/JPS5528816Y2/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of FR2284027A1 publication Critical patent/FR2284027A1/fr
Application granted granted Critical
Publication of FR2284027B1 publication Critical patent/FR2284027B1/fr
Granted legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9445Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
    • B01D53/9454Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific device
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9459Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts
    • B01D53/9463Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on one brick
    • B01D53/9468Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on one brick in different layers
    • 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 ; 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
    • F01N13/009Exhaust 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
    • 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 ; 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
    • F01N13/009Exhaust 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
    • F01N13/0097Exhaust 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 the purifying devices are arranged in a single housing
    • 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
    • F01N3/18Exhaust 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
    • F01N3/20Exhaust 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
    • F01N3/2053By-passing catalytic reactors, e.g. to prevent overheating
    • 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
    • F01N3/28Construction of catalytic reactors
    • 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
    • F01N3/28Construction of catalytic reactors
    • F01N3/2803Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
    • 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
    • F01N3/28Construction of catalytic reactors
    • F01N3/2803Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
    • F01N3/2835Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support 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
    • F01N3/28Construction of catalytic reactors
    • F01N3/2839Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration
    • F01N3/285Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration specially adapted for fibrous supports, e.g. held in place by screens
    • 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
    • F01N3/28Construction of catalytic reactors
    • F01N3/2892Exhaust flow directors or the like, e.g. upstream of catalytic device
    • 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
    • F01N2330/12Metallic wire mesh fabric or knitting
    • 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
    • F01N2330/14Sintered material
    • 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
    • F01N2510/00Surface coverings
    • F01N2510/06Surface coverings for exhaust purification, e.g. catalytic reaction
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Toxicology (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Catalysts (AREA)
FR7526768A 1974-09-03 1975-09-01 Dispositif d'epuration par catalyse des gaz d'echappement Granted FR2284027A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP10625174U JPS5133609U (fr) 1974-09-03 1974-09-03
JP10151674A JPS5129620A (ja) 1974-09-03 1974-09-03 Nainenkikanyoshokubaishikijokasochi
JP14744874A JPS5172823A (ja) 1974-12-20 1974-12-20 Shokubaishikihaikigasujokasochi
JP1975074986U JPS5528816Y2 (fr) 1975-06-02 1975-06-02

Publications (2)

Publication Number Publication Date
FR2284027A1 true FR2284027A1 (fr) 1976-04-02
FR2284027B1 FR2284027B1 (fr) 1980-04-18

Family

ID=27465767

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7526768A Granted FR2284027A1 (fr) 1974-09-03 1975-09-01 Dispositif d'epuration par catalyse des gaz d'echappement

Country Status (6)

Country Link
US (1) US4175107A (fr)
CA (1) CA1055845A (fr)
DE (1) DE2539964A1 (fr)
FR (1) FR2284027A1 (fr)
GB (1) GB1519343A (fr)
IT (1) IT1054305B (fr)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3101026A1 (de) * 1981-01-15 1982-08-26 Engelhard Kali-Chemie Autocat Gmbh, 3000 Hannover Bifunktionaler filter zur behandlung von abgasen
US4584177A (en) * 1982-05-24 1986-04-22 Fernbach Erwin A Catalytic unit for gas phase catalysis, more especially for use with wood- and other solid fuel-burning stoves
DE3228325A1 (de) * 1982-07-29 1984-02-02 Fa. J. Eberspächer, 7300 Esslingen Filter- und nachverbrennungseinrichtung fuer abgase
USRE33118E (en) * 1984-08-13 1989-11-28 Arvin Industries, Inc. Exhaust processor
EP0318462B1 (fr) * 1984-08-13 1991-10-23 Arvin Industries, Inc. Epurateur de gaz d'échappement
US4625511A (en) * 1984-08-13 1986-12-02 Arvin Industries, Inc. Exhaust processor
US4600562A (en) * 1984-12-24 1986-07-15 Texaco Inc. Method and apparatus for filtering engine exhaust gas
JP2650669B2 (ja) * 1987-09-04 1997-09-03 オービタル、エンジン、カンパニー、プロプライエタリ、リミテッド 2サイクル火花点火内燃エンジンおよびその作動方法
CA1336413C (fr) * 1987-10-26 1995-07-25 Mark Lear Moteurs a combustion interne a deux temps
USRE37230E1 (en) * 1987-10-26 2001-06-19 Orbital Engine Company (Australia) Proprietary Limited Two stroke cycle internal combustion engines
IT1219270B (it) * 1988-05-06 1990-05-03 Enea Dispositivo per la riduzione dell'inquinamento atmosferico da gas di scarico di motori a combustione interna
US5009065A (en) * 1988-08-15 1991-04-23 Arvin Industries, Inc. Tuned exhaust processor assembly
US4961314A (en) * 1988-08-15 1990-10-09 Arvin Industries, Inc. Tuned exhaust processor assembly
US5048287A (en) * 1988-08-15 1991-09-17 Arvin Industries, Inc. Tuned exhaust processor assembly
US5016438A (en) * 1989-09-25 1991-05-21 Harris International Sales Corporation Emission control apparatus
GB2236690A (en) * 1989-09-28 1991-04-17 * Rover Group Limited A catalytic converter
DE3940747C1 (fr) * 1989-12-09 1990-07-12 Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De
ES2025410A6 (es) * 1990-06-28 1992-03-16 Gamez Anguiano Eugenio Mejoras en los tubos de escape de vehiculos.
GB2246715A (en) * 1990-08-11 1992-02-12 Ford Motor Co Reducing light-off time in a catalytic converter
FR2667649B1 (fr) * 1990-10-09 1993-01-22 Peugeot Dispositif d'insufflation d'air dans le circuit d'echappement.
GB2254883A (en) * 1991-04-15 1992-10-21 Ford Motor Co I.c. engine exhaust system.
FI921889A (fi) * 1991-05-02 1992-11-03 Scambia Ind Dev Ag Katalysator foer katalytisk behandling av avgaser
US5635141A (en) * 1992-03-17 1997-06-03 E. I. Du Pont De Nemours And Company Radial flow exhaust catalytic converter
AU2264392A (en) * 1992-03-17 1993-10-21 E.I. Du Pont De Nemours And Company Radial flow exhaust catalytic converter
FR2698909B1 (fr) * 1992-12-04 1994-12-30 Renault Dispositif d'échappement pour moteur à combustion interne.
JPH07132212A (ja) * 1993-09-16 1995-05-23 Toyota Central Res & Dev Lab Inc 排気ガス浄化方法及びその触媒コンバータ
JP3237611B2 (ja) * 1997-11-11 2001-12-10 トヨタ自動車株式会社 内燃機関の排気浄化装置
US6577828B1 (en) * 1999-12-02 2003-06-10 Xerox Corporation Ozone catalytic converter unit of optimal design
GB0014620D0 (en) * 2000-06-16 2000-08-09 Johnson Matthey Plc Reactor
DE10058580B4 (de) * 2000-11-18 2008-06-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Nachbehandlung von Verbrennungskraftmaschinenabgasen
JP4463437B2 (ja) * 2001-01-31 2010-05-19 本田技研工業株式会社 一酸化炭素選択酸化除去装置および一酸化炭素選択酸化除去方法
US20030039595A1 (en) * 2001-08-24 2003-02-27 Geise C. Joseph Modular exhaust treatment system
JP2003155926A (ja) * 2001-11-21 2003-05-30 Cataler Corp 排気ガス浄化装置
EP1340890A1 (fr) * 2002-02-28 2003-09-03 Luigi Pellegrino Dispositif pour réduire la pollution atmosphérique causée par les gaz d'échappement
US7799108B2 (en) * 2005-12-16 2010-09-21 Cummins Filtration Ip, Inc. Volume-efficient filter
GR1005756B (el) * 2006-09-20 2007-12-20 (������� 30%) ��������� Διαταξη επεξεργασιας αεριων
WO2009090447A1 (fr) * 2008-01-16 2009-07-23 E.T.M. International Limited Dispositif conçu pour réduire la pollution atmosphérique due à des gaz d'échappement
CA2820029A1 (fr) * 2010-12-06 2012-06-14 Greene Environmental Corporation Systemes et procedes permettant d'ameliorer le rendement energetique
US9403157B2 (en) * 2013-04-29 2016-08-02 Ford Global Technologies, Llc Three-way catalyst comprising mixture of nickel and copper
SE538969C2 (sv) * 2013-10-29 2017-03-07 Scania Cv Ab Ventilarrangemang för att reglera avgasflödet genom en oxidationskatalysator
KR102456482B1 (ko) 2018-04-04 2022-10-19 유니프랙스 아이 엘엘씨 활성화된 다공성 섬유 및 이를 포함하는 제품
US20210379216A1 (en) * 2020-06-05 2021-12-09 James H. Bushong, Jr. Apparatus and methods for infectious virus mitigation

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US2956865A (en) * 1958-02-03 1960-10-18 John E Morris Exhaust gas purifier
US3086839A (en) * 1960-03-30 1963-04-23 Universal Oil Prod Co Method for multiple zone treating of waste gas streams
US3166895A (en) * 1960-06-10 1965-01-26 Owens Corning Fiberglass Corp Catalytic muffling system for reducing contaminants in exhaust gases
US3050935A (en) * 1961-01-05 1962-08-28 Socony Mobil Oil Co Inc Apparatus for catalytically treating internal combustion engine exhaust gases
US3110300A (en) * 1961-04-26 1963-11-12 Universal Oil Prod Co Catalytic gas oxidizing and fluid heating apparatus
US3297400A (en) * 1962-09-11 1967-01-10 Mobil Oil Corp Catalytic purification of exhaust gases
US3180712A (en) * 1962-12-26 1965-04-27 Universal Oil Prod Co Two-stage converter-muffler
US3362783A (en) * 1963-12-23 1968-01-09 Texaco Inc Treatment of exhaust gases
US3811845A (en) * 1970-07-30 1974-05-21 Matsushita Electric Ind Co Ltd Vehicle exhaust control equipment
US3712030A (en) * 1970-09-14 1973-01-23 J Priest Exhaust depurator
US3755534A (en) * 1971-08-12 1973-08-28 Grace W R & Co Catalytic control of auto exhaust emissions
US3791143A (en) * 1971-11-10 1974-02-12 Engelhard Min & Chem Process and apparatus
US3879944A (en) * 1974-03-20 1975-04-29 Gen Motors Corp Catalytic converter

Also Published As

Publication number Publication date
GB1519343A (en) 1978-07-26
IT1054305B (it) 1981-11-10
FR2284027B1 (fr) 1980-04-18
CA1055845A (fr) 1979-06-05
US4175107A (en) 1979-11-20
DE2539964A1 (de) 1976-03-18

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