DE69517531D1 - Verfahren und vorrichtung zum erhitzen eines katalytischen umwandlers zum vermindern der emissionen - Google Patents
Verfahren und vorrichtung zum erhitzen eines katalytischen umwandlers zum vermindern der emissionenInfo
- Publication number
- DE69517531D1 DE69517531D1 DE69517531T DE69517531T DE69517531D1 DE 69517531 D1 DE69517531 D1 DE 69517531D1 DE 69517531 T DE69517531 T DE 69517531T DE 69517531 T DE69517531 T DE 69517531T DE 69517531 D1 DE69517531 D1 DE 69517531D1
- Authority
- DE
- Germany
- Prior art keywords
- catalytic converter
- heating
- hydrogen
- internal combustion
- 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.)
- Expired - Fee Related
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]
- B01D53/9454—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific device
-
- 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
- F01N3/2006—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating
-
- 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
- F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/10—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding acetylene, non-waterborne hydrogen, non-airborne oxygen, or ozone
- F02M25/12—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding acetylene, non-waterborne hydrogen, non-airborne oxygen, or ozone the apparatus having means for generating such gases
-
- 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
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/04—Adding substances to exhaust gases the substance being hydrogen
-
- 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
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/06—Adding substances to exhaust gases the substance being in the gaseous form
-
- 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
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/08—Adding substances to exhaust gases with prior mixing of the substances with a gas, e.g. air
-
- 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
- F01N3/30—Arrangements for supply of additional air
- F01N3/32—Arrangements for supply of additional air using air pump
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (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)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Incineration Of Waste (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/320,171 US5813222A (en) | 1994-10-07 | 1994-10-07 | Method and apparatus for heating a catalytic converter to reduce emissions |
PCT/US1995/012912 WO1996011330A1 (en) | 1994-10-07 | 1995-10-06 | Method and apparatus for heating a catalytic converter to reduce emissions |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69517531D1 true DE69517531D1 (de) | 2000-07-20 |
DE69517531T2 DE69517531T2 (de) | 2000-10-19 |
Family
ID=23245194
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69517531T Expired - Fee Related DE69517531T2 (de) | 1994-10-07 | 1995-10-06 | Verfahren und vorrichtung zum erhitzen eines katalytischen umwandlers zum vermindern der emissionen |
Country Status (8)
Country | Link |
---|---|
US (2) | US5813222A (de) |
EP (1) | EP0784741B1 (de) |
JP (1) | JPH11501378A (de) |
AT (1) | ATE193922T1 (de) |
AU (1) | AU3950895A (de) |
CA (1) | CA2197688A1 (de) |
DE (1) | DE69517531T2 (de) |
WO (1) | WO1996011330A1 (de) |
Families Citing this family (74)
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US5964089A (en) * | 1997-06-27 | 1999-10-12 | Lynntech, Inc | Diagnostics and control of an on board hydrogen generation and delivery system |
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US6235254B1 (en) * | 1997-07-01 | 2001-05-22 | Lynntech, Inc. | Hybrid catalyst heating system with water removal for enhanced emissions control |
SE509787C2 (sv) * | 1997-07-18 | 1999-03-08 | Volvo Ab | Anordning och förfarande för katalytisk avgasrening med tillförsel av väte |
US6464854B2 (en) * | 1997-12-16 | 2002-10-15 | Lynntech, Inc. | Water sources for automotive electrolyzers |
US6202406B1 (en) * | 1998-03-30 | 2001-03-20 | Heralus Electro-Nite International N.V. | Method and apparatus for catalyst temperature control |
US6122909A (en) * | 1998-09-29 | 2000-09-26 | Lynntech, Inc. | Catalytic reduction of emissions from internal combustion engines |
JP3642273B2 (ja) * | 1999-10-21 | 2005-04-27 | 日産自動車株式会社 | 排気ガス浄化システム |
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US6272849B1 (en) | 2000-01-13 | 2001-08-14 | Ford Global Technologies, Inc. | Apparatus and method for heating an automotive catalyst to an emission reactive condition |
US7311066B1 (en) * | 2000-05-22 | 2007-12-25 | Wbip, Llc | Controlling exhaust temperatures |
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US5207734A (en) * | 1991-07-22 | 1993-05-04 | Corning Incorporated | Engine exhaust system for reduction of hydrocarbon emissions |
US5259190A (en) * | 1991-08-01 | 1993-11-09 | Corning Incorporated | Heated cellular structures |
JPH0571334A (ja) * | 1991-09-13 | 1993-03-23 | Toyota Central Res & Dev Lab Inc | 連続燃焼をおこなう燃焼装置における窒素酸化物低減方法およびその装置 |
AU2797892A (en) * | 1991-10-03 | 1993-05-03 | Center For Blood Research, The | (plasmodium falciparum)-infected erythrocytes binding to icam-1 and cd36 |
JPH05106430A (ja) * | 1991-10-16 | 1993-04-27 | Toyota Central Res & Dev Lab Inc | 内燃機関の窒素酸化物低減装置 |
US5163290A (en) * | 1992-03-11 | 1992-11-17 | Texaco Inc. | Ignition system battery for preheating of automotive catalytic converter |
JP2910958B2 (ja) * | 1992-07-10 | 1999-06-23 | アイシン精機株式会社 | 車載用水素供給装置 |
US5419121A (en) * | 1993-04-16 | 1995-05-30 | Engelhard Corporation | Method and apparatus for reduction of pollutants emitted from automotive engines by flame incineration |
EP0710323B1 (de) * | 1993-07-22 | 1997-03-19 | Maschinen- Und Anlagenbau Grimma Gmbh (Mag) | Verfahren und einrichtung zur reinigung von abgasen von brennkraftmaschinen und kraftfahrzeug mit einer derartigen einrichtung |
US5845485A (en) * | 1996-07-16 | 1998-12-08 | Lynntech, Inc. | Method and apparatus for injecting hydrogen into a catalytic converter |
-
1994
- 1994-10-07 US US08/320,171 patent/US5813222A/en not_active Expired - Fee Related
-
1995
- 1995-10-06 DE DE69517531T patent/DE69517531T2/de not_active Expired - Fee Related
- 1995-10-06 AU AU39508/95A patent/AU3950895A/en not_active Abandoned
- 1995-10-06 CA CA002197688A patent/CA2197688A1/en not_active Abandoned
- 1995-10-06 WO PCT/US1995/012912 patent/WO1996011330A1/en not_active Application Discontinuation
- 1995-10-06 JP JP8512666A patent/JPH11501378A/ja active Pending
- 1995-10-06 AT AT95937383T patent/ATE193922T1/de not_active IP Right Cessation
- 1995-10-06 EP EP95937383A patent/EP0784741B1/de not_active Expired - Lifetime
-
1997
- 1997-10-08 US US08/946,713 patent/US5953908A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
WO1996011330A1 (en) | 1996-04-18 |
EP0784741A1 (de) | 1997-07-23 |
EP0784741B1 (de) | 2000-06-14 |
JPH11501378A (ja) | 1999-02-02 |
CA2197688A1 (en) | 1996-04-18 |
AU3950895A (en) | 1996-05-02 |
DE69517531T2 (de) | 2000-10-19 |
US5953908A (en) | 1999-09-21 |
US5813222A (en) | 1998-09-29 |
ATE193922T1 (de) | 2000-06-15 |
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