US20030097834A1 - Exhaust gas purification system - Google Patents

Exhaust gas purification system Download PDF

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Publication number
US20030097834A1
US20030097834A1 US10/295,984 US29598402A US2003097834A1 US 20030097834 A1 US20030097834 A1 US 20030097834A1 US 29598402 A US29598402 A US 29598402A US 2003097834 A1 US2003097834 A1 US 2003097834A1
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US
United States
Prior art keywords
exhaust gas
passage
dpf
purification system
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.)
Abandoned
Application number
US10/295,984
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English (en)
Inventor
Masashi Gabe
Takehito Imai
Naofumi Ochi
Yoshihisa Koizumi
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.)
Isuzu Motors Ltd
Original Assignee
Isuzu Motors 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 JP2001351231A external-priority patent/JP2003148141A/ja
Priority claimed from JP2001351235A external-priority patent/JP3951678B2/ja
Priority claimed from JP2001356208A external-priority patent/JP2003155909A/ja
Priority claimed from JP2001356231A external-priority patent/JP2003155922A/ja
Priority claimed from JP2001356222A external-priority patent/JP3826773B2/ja
Priority claimed from JP2001362822A external-priority patent/JP2003161138A/ja
Application filed by Isuzu Motors Ltd filed Critical Isuzu Motors Ltd
Assigned to ISUZU MOTORS LIMITED reassignment ISUZU MOTORS LIMITED ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: GABE, MASASHI, IMAI, TAKEHITO, KOIZUMI, YOSHIHISA, OCHI, NAOFUMI
Publication of US20030097834A1 publication Critical patent/US20030097834A1/en
Abandoned legal-status Critical Current

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    • 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
    • F01N9/00—Electrical control of exhaust gas treating apparatus
    • F01N9/002—Electrical control of exhaust gas treating apparatus of filter regeneration, e.g. detection of clogging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2418—Honeycomb filters
    • B01D46/2425—Honeycomb filters characterized by parameters related to the physical properties of the honeycomb structure material
    • B01D46/2429—Honeycomb filters characterized by parameters related to the physical properties of the honeycomb structure material of the honeycomb walls or cells
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2418—Honeycomb filters
    • B01D46/2425—Honeycomb filters characterized by parameters related to the physical properties of the honeycomb structure material
    • B01D46/24494—Thermal expansion coefficient, heat capacity or thermal conductivity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2418—Honeycomb filters
    • B01D46/2451—Honeycomb filters characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2418—Honeycomb filters
    • B01D46/2451—Honeycomb filters characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure
    • B01D46/2459—Honeycomb filters characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure of the plugs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2418—Honeycomb filters
    • B01D46/2451—Honeycomb filters characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure
    • B01D46/2474—Honeycomb filters characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure of the walls along the length of the honeycomb
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2418—Honeycomb filters
    • B01D46/2451—Honeycomb filters characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure
    • B01D46/2484—Cell density, area or aspect ratio
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2418—Honeycomb filters
    • B01D46/2451—Honeycomb filters characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure
    • B01D46/2486—Honeycomb filters characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure characterised by the shapes or configurations
    • B01J35/56—
    • 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
    • F01N13/0097—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 the purifying devices are arranged in a single 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
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/022—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
    • 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
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/022—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
    • F01N3/0222—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous the structure being monolithic, e.g. honeycombs
    • 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
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
    • 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
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
    • F01N3/0231—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles using special exhaust apparatus upstream of the filter for producing nitrogen dioxide, e.g. for continuous filter regeneration systems [CRT]
    • 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
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/031—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters having means for by-passing filters, e.g. when clogged or during cold engine 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
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2418—Honeycomb filters
    • B01D46/2498—The honeycomb filter being defined by mathematical relationships
    • 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
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • 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
    • 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
    • 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
    • F01N2240/02—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 a heat exchanger
    • 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
    • F01N2240/10—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 a heat accumulator
    • 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
    • F01N2240/20—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 a flow director or deflector
    • 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
    • F01N2260/00—Exhaust treating devices having provisions not otherwise provided for
    • F01N2260/10—Exhaust treating devices having provisions not otherwise provided for for avoiding stress caused by expansions or contractions due to temperature variations
    • 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
    • F01N2260/00—Exhaust treating devices having provisions not otherwise provided for
    • F01N2260/14—Exhaust treating devices having provisions not otherwise provided for for modifying or adapting flow area or back-pressure
    • 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
    • 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
    • F01N2410/00—By-passing, at least partially, exhaust from inlet to outlet of apparatus, to atmosphere or to other device
    • F01N2410/08—By-passing, at least partially, exhaust from inlet to outlet of apparatus, to atmosphere or to other device in case of clogging, e.g. of particle filter
    • 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
    • F01N2510/00—Surface coverings
    • F01N2510/06—Surface coverings for exhaust purification, e.g. catalytic reaction
    • F01N2510/068—Surface coverings for exhaust purification, e.g. catalytic reaction characterised by the distribution of the catalytic coatings
    • F01N2510/0682—Surface coverings for exhaust purification, e.g. catalytic reaction characterised by the distribution of the catalytic coatings having a discontinuous, uneven or partially overlapping coating of catalytic material, e.g. higher amount of material upstream than downstream or vice versa
    • 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
    • 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
    • Y02T10/40—Engine management systems
US10/295,984 2001-11-16 2002-11-18 Exhaust gas purification system Abandoned US20030097834A1 (en)

Applications Claiming Priority (12)

Application Number Priority Date Filing Date Title
JP2001351231A JP2003148141A (ja) 2001-11-16 2001-11-16 排気ガス浄化装置
JPJP2001-351231 2001-11-16
JPJP2001-351235 2001-11-16
JP2001351235A JP3951678B2 (ja) 2001-11-16 2001-11-16 排気ガス浄化装置
JPJP2001-356208 2001-11-21
JP2001356208A JP2003155909A (ja) 2001-11-21 2001-11-21 ディーゼルパティキュレートフィルタ装置用フィルタ
JPJP2001-356231 2001-11-21
JP2001356231A JP2003155922A (ja) 2001-11-21 2001-11-21 ディーゼルパティキュレートフィルタ装置用フィルタ
JP2001356222A JP3826773B2 (ja) 2001-11-21 2001-11-21 ディーゼルパティキュレートフィルタ
JPJP2001-356222 2001-11-21
JP2001362822A JP2003161138A (ja) 2001-11-28 2001-11-28 ディーゼルパティキュレートフィルタ
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US20050056008A1 (en) * 2003-09-10 2005-03-17 O-Den Corporation Particulate removing apparatus and diesel engine vehicle equipped with same
US20050154523A1 (en) * 2004-01-13 2005-07-14 Denso Corporation, Exhaust gas purification system of internal combustion engine
US20050183408A1 (en) * 2004-02-20 2005-08-25 Arvin Technologies, Inc. Device for cleaning vehicle exhaust gas
US20050188686A1 (en) * 2004-02-27 2005-09-01 Denso Corporation Exhaust gas purification system of internal combustion engine
US20070227129A1 (en) * 2004-06-02 2007-10-04 Hino Motors Ltd. Particulate Filter
US20070277511A1 (en) * 2003-11-06 2007-12-06 Hirohisa Suwabe Ceramic Honeycomb Filter, Exhaust Gas-Cleaning Apparatus, and Exhaust Gas-Cleaning Method
US20080155950A1 (en) * 2006-12-29 2008-07-03 Bryan Blackwell Apparatus, system, and method for dispersing heat within a particulate filter
US20080209892A1 (en) * 2007-03-02 2008-09-04 Robert Bosch Gmbh Method for the closed-loop control of the regeneration of a particle filter
US20080314032A1 (en) * 2007-05-15 2008-12-25 Xuantian Li Segmented Particulate Filter For An Engine Exhaust Stream
US20090044531A1 (en) * 2007-08-14 2009-02-19 Shuguang Lu System and method for reducing particulate matter emission in diesel exhaust gas
US20100058744A1 (en) * 2008-09-08 2010-03-11 Ford Global Technologies, Llc Optimization of Soot Distribution in a Diesel Particulate Filter
US20100154393A1 (en) * 2008-12-19 2010-06-24 Ronald Graham Silver Combination partial flow particulate filter and catalyst
US20100257830A1 (en) * 2007-12-27 2010-10-14 Ngk Insulators, Ltd. Partially plug-less dpf
US20100263358A1 (en) * 2009-04-17 2010-10-21 Basf Corporation Multi-Zoned Catalyst Compositions
CN101922331A (zh) * 2009-06-10 2010-12-22 J·埃贝斯佩歇合资公司 废气处理装置
US20110030353A1 (en) * 2008-08-11 2011-02-10 Hitachi Construction Machinery Co., Ltd. Exhaust gas purifying device
US20110067386A1 (en) * 2009-09-22 2011-03-24 Gm Global Technology Operations, Inc. Oxidizing Particulate Filter
US20110107746A1 (en) * 2007-08-31 2011-05-12 Honda Motor Co., Ltd. Exhaust gas purification device
US20110132194A1 (en) * 2008-05-29 2011-06-09 Izhar Zahoor Ahmed Partial Wall-Flow Filter and Method.
CN102203393A (zh) * 2008-08-27 2011-09-28 维达控股股份有限公司 催化转化器装置
WO2012067567A1 (en) * 2010-11-16 2012-05-24 Scania Cv Ab Particle filter for an exhaust system of a combustion engine
US20120288416A1 (en) * 2011-05-13 2012-11-15 Hyundai Motor Company Catalyst unit
US20140047806A1 (en) * 2012-08-17 2014-02-20 Pall Corporation Filter module and filter system comprising same
US9260999B2 (en) 2012-07-19 2016-02-16 Vida Fresh Air Corp. Apparatus and method for engine backpressure reduction
CN106794422A (zh) * 2014-10-10 2017-05-31 原子能和替代能源委员会 具有减少的活化时间的催化转化的装置
US9932873B2 (en) * 2015-09-18 2018-04-03 Ngk Insulators, Ltd. Exhaust gas purifying device
US9964012B2 (en) 2014-01-17 2018-05-08 Vida Fresh Air Corp. Method for sizing and positioning catalytic converter insulation

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JP4285096B2 (ja) 2003-06-16 2009-06-24 株式会社デンソー 内燃機関の排ガス浄化装置
EP1536110A1 (de) * 2003-11-26 2005-06-01 Delphi Technologies, Inc. Katalysatorbeschichteter Partikelfilter für Abgase
GB0329095D0 (en) * 2003-12-16 2004-01-14 Johnson Matthey Plc Exhaust system for lean burn IC engine including particulate filter
FR2869072B1 (fr) * 2004-04-19 2009-10-30 Peugeot Citroen Automobiles Sa Dispositif de purification de gaz d'echappement
EP1598111A1 (de) * 2004-05-15 2005-11-23 Delphi Technologies, Inc. Katalysator mit Konzentrationsgradienten zur Verwendung in einem katalytischen Filter
JP2006175386A (ja) 2004-12-24 2006-07-06 Cataler Corp ディーゼルエンジンの排気ガス浄化用のフィルタ触媒及びその製造方法
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FR2901308B1 (fr) * 2006-05-18 2012-07-13 Peugeot Citroen Automobiles Sa Dispositif de traitement de gaz d'echappement d'un moteur thermique de vehicule automobile
DE102006051927A1 (de) * 2006-11-03 2008-05-15 Robert Bosch Gmbh Filterelement, insbesondere zur Filterung von Abgasen einer Brennkraftmaschine
JP5409070B2 (ja) * 2009-03-24 2014-02-05 日本碍子株式会社 排ガス浄化装置の製造方法及び排ガス浄化装置
GB0909987D0 (en) * 2009-06-11 2009-07-22 Agco Sa Catalytic converter module
CN104196597B (zh) * 2014-09-09 2016-07-06 西华大学 一种柴油机颗粒捕集器分区电加热再生装置
DE102018104140A1 (de) 2018-02-23 2019-08-29 Volkswagen Aktiengesellschaft Partikelfilter für einen Verbrennungsmotor sowie Verfahren zur Herstellung eines solchen Partikelfilters

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Cited By (43)

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US7244284B2 (en) * 2002-02-26 2007-07-17 Ngk Insulators, Ltd. Honeycomb filter
US20040258582A1 (en) * 2002-02-26 2004-12-23 Shinichi Miwa Honeycomb filter
US20050056008A1 (en) * 2003-09-10 2005-03-17 O-Den Corporation Particulate removing apparatus and diesel engine vehicle equipped with same
US20070277511A1 (en) * 2003-11-06 2007-12-06 Hirohisa Suwabe Ceramic Honeycomb Filter, Exhaust Gas-Cleaning Apparatus, and Exhaust Gas-Cleaning Method
US7458206B2 (en) * 2004-01-13 2008-12-02 Denso Corporation Exhaust gas purification system of internal combustion engine
US20050154523A1 (en) * 2004-01-13 2005-07-14 Denso Corporation, Exhaust gas purification system of internal combustion engine
US20050183408A1 (en) * 2004-02-20 2005-08-25 Arvin Technologies, Inc. Device for cleaning vehicle exhaust gas
US7171803B2 (en) * 2004-02-27 2007-02-06 Denso Corporation Exhaust gas purification system of internal combustion engine
US20050188686A1 (en) * 2004-02-27 2005-09-01 Denso Corporation Exhaust gas purification system of internal combustion engine
US20070227129A1 (en) * 2004-06-02 2007-10-04 Hino Motors Ltd. Particulate Filter
US20080155950A1 (en) * 2006-12-29 2008-07-03 Bryan Blackwell Apparatus, system, and method for dispersing heat within a particulate filter
WO2008083380A1 (en) * 2006-12-29 2008-07-10 Cummins Filtration Ip, Inc. Apparatus, system, and method for dispersing heat within a particulate filter
US7621981B2 (en) * 2006-12-29 2009-11-24 Cummins Filtration Ip, Inc Apparatus, system, and method for dispersing heat within a particulate filter
US20080209892A1 (en) * 2007-03-02 2008-09-04 Robert Bosch Gmbh Method for the closed-loop control of the regeneration of a particle filter
US20080314032A1 (en) * 2007-05-15 2008-12-25 Xuantian Li Segmented Particulate Filter For An Engine Exhaust Stream
US20090044531A1 (en) * 2007-08-14 2009-02-19 Shuguang Lu System and method for reducing particulate matter emission in diesel exhaust gas
US8240138B2 (en) * 2007-08-14 2012-08-14 General Electric Company System and method for reducing particulate matter emission in diesel exhaust gas
US20110107746A1 (en) * 2007-08-31 2011-05-12 Honda Motor Co., Ltd. Exhaust gas purification device
US20100257830A1 (en) * 2007-12-27 2010-10-14 Ngk Insulators, Ltd. Partially plug-less dpf
US8128723B2 (en) * 2007-12-27 2012-03-06 Ngk Insulators, Ltd. Partially plug-less DPF
US20110132194A1 (en) * 2008-05-29 2011-06-09 Izhar Zahoor Ahmed Partial Wall-Flow Filter and Method.
US8673064B2 (en) * 2008-05-29 2014-03-18 Corning Incorporated Partial wall-flow filter and method
US8549847B2 (en) 2008-08-11 2013-10-08 Hitachi Construction Machinery Co., Ltd. Exhaust gas purifying device
US20110030353A1 (en) * 2008-08-11 2011-02-10 Hitachi Construction Machinery Co., Ltd. Exhaust gas purifying device
US9926824B2 (en) 2008-08-27 2018-03-27 Vida Fresh Air Corp. Catalytic converter apparatus
CN102203393A (zh) * 2008-08-27 2011-09-28 维达控股股份有限公司 催化转化器装置
US8474249B2 (en) 2008-09-08 2013-07-02 Ford Global Technologies, Llc Optimization of soot distribution in a diesel particulate filter
US20100058744A1 (en) * 2008-09-08 2010-03-11 Ford Global Technologies, Llc Optimization of Soot Distribution in a Diesel Particulate Filter
US20100154393A1 (en) * 2008-12-19 2010-06-24 Ronald Graham Silver Combination partial flow particulate filter and catalyst
US8940242B2 (en) * 2009-04-17 2015-01-27 Basf Corporation Multi-zoned catalyst compositions
US20100263358A1 (en) * 2009-04-17 2010-10-21 Basf Corporation Multi-Zoned Catalyst Compositions
CN102802794A (zh) * 2009-04-17 2012-11-28 巴斯夫公司 多区段催化剂复合物
CN101922331A (zh) * 2009-06-10 2010-12-22 J·埃贝斯佩歇合资公司 废气处理装置
US8568661B2 (en) 2009-06-10 2013-10-29 Eberspächer Exhaust Technology GmbH & Co. KG Exhaust gas treatment device
US20110023471A1 (en) * 2009-06-10 2011-02-03 Marcus Werni Exhaust gas treatment device
US20110067386A1 (en) * 2009-09-22 2011-03-24 Gm Global Technology Operations, Inc. Oxidizing Particulate Filter
WO2012067567A1 (en) * 2010-11-16 2012-05-24 Scania Cv Ab Particle filter for an exhaust system of a combustion engine
US20120288416A1 (en) * 2011-05-13 2012-11-15 Hyundai Motor Company Catalyst unit
US9260999B2 (en) 2012-07-19 2016-02-16 Vida Fresh Air Corp. Apparatus and method for engine backpressure reduction
US20140047806A1 (en) * 2012-08-17 2014-02-20 Pall Corporation Filter module and filter system comprising same
US9964012B2 (en) 2014-01-17 2018-05-08 Vida Fresh Air Corp. Method for sizing and positioning catalytic converter insulation
CN106794422A (zh) * 2014-10-10 2017-05-31 原子能和替代能源委员会 具有减少的活化时间的催化转化的装置
US9932873B2 (en) * 2015-09-18 2018-04-03 Ngk Insulators, Ltd. Exhaust gas purifying device

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