USRE33118E - Exhaust processor - Google Patents
Exhaust processor Download PDFInfo
- Publication number
- USRE33118E USRE33118E US07/215,225 US21522588A USRE33118E US RE33118 E USRE33118 E US RE33118E US 21522588 A US21522588 A US 21522588A US RE33118 E USRE33118 E US RE33118E
- Authority
- US
- United States
- Prior art keywords
- housing
- substrate means
- combustion product
- inlet
- substrate
- 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
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- 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
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1888—Construction facilitating manufacture, assembly, or disassembly the housing of the assembly consisting of two or more parts, e.g. two half-shells
-
- 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
- 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
- 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
- F01N13/011—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 purifying devices arranged in parallel
-
- 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
- F01N13/011—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 purifying devices arranged in parallel
- F01N13/017—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 purifying devices arranged in parallel 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
- F01N3/0211—Arrangements for mounting filtering elements in housing, e.g. with means for compensating thermal expansion or vibration
-
- 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
- F01N3/08—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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2330/00—Structure of catalyst support or particle filter
- F01N2330/06—Ceramic, e.g. monoliths
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2350/00—Arrangements for fitting catalyst support or particle filter element in the housing
- F01N2350/02—Fitting ceramic monoliths in a metallic housing
-
- 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
- F01N2470/00—Structure or shape of gas passages, pipes or tubes
- F01N2470/06—Tubes being formed by assembly of stamped or otherwise deformed sheet-metal
-
- 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
- F01N2530/00—Selection of materials for tubes, chambers or housings
- F01N2530/02—Corrosion resistive metals
- F01N2530/04—Steel alloys, e.g. stainless steel
-
- 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
Abstract
Description
Claims (30)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/215,225 USRE33118E (en) | 1984-08-13 | 1988-07-05 | Exhaust processor |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/639,803 US4625511A (en) | 1984-08-13 | 1984-08-13 | Exhaust processor |
US07/215,225 USRE33118E (en) | 1984-08-13 | 1988-07-05 | Exhaust processor |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US06/639,803 Reissue US4625511A (en) | 1984-08-13 | 1984-08-13 | Exhaust processor |
Publications (1)
Publication Number | Publication Date |
---|---|
USRE33118E true USRE33118E (en) | 1989-11-28 |
Family
ID=26909837
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US07/215,225 Expired - Lifetime USRE33118E (en) | 1984-08-13 | 1988-07-05 | Exhaust processor |
Country Status (1)
Country | Link |
---|---|
US (1) | USRE33118E (en) |
Cited By (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0492418A1 (en) * | 1990-12-24 | 1992-07-01 | Emitec Gesellschaft für Emissionstechnologie mbH | Apparatus for catalytic purification of exhaust gases, in particular exhaust gases from internal combustion engines |
US5572866A (en) * | 1994-04-29 | 1996-11-12 | Environmental Thermal Oxidizers, Inc. | Pollution abatement incinerator system |
US20030051449A1 (en) * | 2001-09-19 | 2003-03-20 | Toshihiko Nishiyama | Exhaust gas purifying system for internal combustion engine |
US6544310B2 (en) | 2001-05-24 | 2003-04-08 | Fleetguard, Inc. | Exhaust aftertreatment filter with particulate distribution pattern |
US20030190269A1 (en) * | 2000-03-09 | 2003-10-09 | Liu Z. Gerald | Catalyst and filter combination |
US20040116276A1 (en) * | 2002-02-12 | 2004-06-17 | Aleksey Yezerets | Exhaust aftertreatment emission control regeneration |
US6776814B2 (en) | 2000-03-09 | 2004-08-17 | Fleetguard, Inc. | Dual section exhaust aftertreatment filter and method |
US20050115224A1 (en) * | 2000-08-24 | 2005-06-02 | Ibiden Co. Ltd | Exhaust emission control device and casing structure of the control device |
US7052532B1 (en) | 2000-03-09 | 2006-05-30 | 3M Innovative Properties Company | High temperature nanofilter, system and method |
US20060260867A1 (en) * | 2000-03-21 | 2006-11-23 | Silentor Holding A/S | Silencer containing one or more porous bodies |
US7340888B2 (en) | 2005-04-26 | 2008-03-11 | Donaldson Company, Inc. | Diesel particulate matter reduction system |
US20080314033A1 (en) * | 2007-06-21 | 2008-12-25 | Daimler Trucks North America Llc | Treatment of diesel engine exhaust |
US20090293467A1 (en) * | 2008-05-30 | 2009-12-03 | Daimler Trucks North America Llc | Diesel engine exhaust treatment system with drive shaft accommodating housing and method |
US20100132558A1 (en) * | 2006-10-11 | 2010-06-03 | Daimler Ag | Exhaust Gas Purification System for an Internal Combustion Engine |
US7862640B2 (en) | 2006-03-21 | 2011-01-04 | Donaldson Company, Inc. | Low temperature diesel particulate matter reduction system |
US20120090304A1 (en) * | 2010-10-19 | 2012-04-19 | Kotrba Adam J | Multiple Flow Path Exhaust Treatment System |
US20120285324A1 (en) * | 2011-05-10 | 2012-11-15 | Cummins Filtration Ip Inc. | Filter with Specified Flow Path Combinations |
US20130152919A1 (en) * | 2011-12-15 | 2013-06-20 | 3M Innovative Properties Company | Air filtration device having tuned air distribution system |
US20130152920A1 (en) * | 2011-12-15 | 2013-06-20 | 3M Innovative Properties Company | Air filtration device having subsections lacking fluid communication |
US20150113928A1 (en) * | 2013-10-30 | 2015-04-30 | Green Filter USA, Inc. | Dual air source automotive air filter systems |
US20160194994A1 (en) * | 2013-08-13 | 2016-07-07 | Emitec Gesellschaft Fur Emissionstechnologie Mbh | Exhaust gas treatment unit comprising flow dividing and mixing guide elements |
US10683791B2 (en) * | 2016-02-12 | 2020-06-16 | Bayerische Motoren Werke Aktiengesellschaft | Exhaust gas purification system |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1257056A (en) * | 1960-02-13 | 1961-03-31 | Fr D Oxycatalyse Oxy France So | Improvements to the process and device for cleaning the exhaust gases of internal combustion engines |
US3879944A (en) * | 1974-03-20 | 1975-04-29 | Gen Motors Corp | Catalytic converter |
DE2417435A1 (en) * | 1974-04-10 | 1975-10-30 | Daimler Benz Ag | Catalytic cleaner for engine exhaust gases - volume is divided between two monoliths arranged in exhaust gas flow |
US4175107A (en) * | 1974-09-03 | 1979-11-20 | Matsushita Electric Industrial Co., Ltd. | Catalytic exhaust gas purifying device |
US4419113A (en) * | 1982-07-08 | 1983-12-06 | General Motors Corporation | Diesel exhaust particulate trap with axially stacked filters |
US4512147A (en) * | 1983-01-07 | 1985-04-23 | Cummins Engine Company, Inc. | Method and apparatus for removing carbon particles from engine exhausts |
-
1988
- 1988-07-05 US US07/215,225 patent/USRE33118E/en not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1257056A (en) * | 1960-02-13 | 1961-03-31 | Fr D Oxycatalyse Oxy France So | Improvements to the process and device for cleaning the exhaust gases of internal combustion engines |
US3879944A (en) * | 1974-03-20 | 1975-04-29 | Gen Motors Corp | Catalytic converter |
DE2417435A1 (en) * | 1974-04-10 | 1975-10-30 | Daimler Benz Ag | Catalytic cleaner for engine exhaust gases - volume is divided between two monoliths arranged in exhaust gas flow |
US4175107A (en) * | 1974-09-03 | 1979-11-20 | Matsushita Electric Industrial Co., Ltd. | Catalytic exhaust gas purifying device |
US4419113A (en) * | 1982-07-08 | 1983-12-06 | General Motors Corporation | Diesel exhaust particulate trap with axially stacked filters |
US4512147A (en) * | 1983-01-07 | 1985-04-23 | Cummins Engine Company, Inc. | Method and apparatus for removing carbon particles from engine exhausts |
Cited By (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0492418A1 (en) * | 1990-12-24 | 1992-07-01 | Emitec Gesellschaft für Emissionstechnologie mbH | Apparatus for catalytic purification of exhaust gases, in particular exhaust gases from internal combustion engines |
US5572866A (en) * | 1994-04-29 | 1996-11-12 | Environmental Thermal Oxidizers, Inc. | Pollution abatement incinerator system |
US20030190269A1 (en) * | 2000-03-09 | 2003-10-09 | Liu Z. Gerald | Catalyst and filter combination |
US7235124B2 (en) | 2000-03-09 | 2007-06-26 | 3M Innovative Properties Company | High temperature nanofilter, system and method |
US7211226B2 (en) | 2000-03-09 | 2007-05-01 | Fleetgaurd, Inc. | Catalyst and filter combination |
US6776814B2 (en) | 2000-03-09 | 2004-08-17 | Fleetguard, Inc. | Dual section exhaust aftertreatment filter and method |
US7052532B1 (en) | 2000-03-09 | 2006-05-30 | 3M Innovative Properties Company | High temperature nanofilter, system and method |
US20060260867A1 (en) * | 2000-03-21 | 2006-11-23 | Silentor Holding A/S | Silencer containing one or more porous bodies |
US7537083B2 (en) * | 2000-03-21 | 2009-05-26 | Silentor Holdings A/S | Silencer containing one or more porous bodies |
US20050115224A1 (en) * | 2000-08-24 | 2005-06-02 | Ibiden Co. Ltd | Exhaust emission control device and casing structure of the control device |
US6544310B2 (en) | 2001-05-24 | 2003-04-08 | Fleetguard, Inc. | Exhaust aftertreatment filter with particulate distribution pattern |
US6767378B2 (en) * | 2001-09-19 | 2004-07-27 | Komatsu Ltd. | Exhaust gas purifying system for internal combustion engine |
US20030051449A1 (en) * | 2001-09-19 | 2003-03-20 | Toshihiko Nishiyama | Exhaust gas purifying system for internal combustion engine |
US20040116276A1 (en) * | 2002-02-12 | 2004-06-17 | Aleksey Yezerets | Exhaust aftertreatment emission control regeneration |
US7340888B2 (en) | 2005-04-26 | 2008-03-11 | Donaldson Company, Inc. | Diesel particulate matter reduction system |
US7862640B2 (en) | 2006-03-21 | 2011-01-04 | Donaldson Company, Inc. | Low temperature diesel particulate matter reduction system |
US8808418B2 (en) | 2006-03-21 | 2014-08-19 | Donaldson Company | Low temperature diesel particulate matter reduction system |
US8608835B2 (en) * | 2006-10-11 | 2013-12-17 | Daimler Ag | Exhaust gas purification system for an internal combustion engine |
US20100132558A1 (en) * | 2006-10-11 | 2010-06-03 | Daimler Ag | Exhaust Gas Purification System for an Internal Combustion Engine |
US8707687B2 (en) | 2007-06-21 | 2014-04-29 | Daimler Trucks North America Llc | Treatment of diesel engine exhaust |
US20080314033A1 (en) * | 2007-06-21 | 2008-12-25 | Daimler Trucks North America Llc | Treatment of diesel engine exhaust |
US8230678B2 (en) | 2007-06-21 | 2012-07-31 | Daimler Trucks North America Llc | Treatment of diesel engine exhaust |
US8201398B2 (en) | 2008-05-30 | 2012-06-19 | Daimler Trucks North America Llc | Diesel engine exhaust treatment system with drive shaft accommodating housing and method |
US20090293467A1 (en) * | 2008-05-30 | 2009-12-03 | Daimler Trucks North America Llc | Diesel engine exhaust treatment system with drive shaft accommodating housing and method |
US20120090304A1 (en) * | 2010-10-19 | 2012-04-19 | Kotrba Adam J | Multiple Flow Path Exhaust Treatment System |
US20120285324A1 (en) * | 2011-05-10 | 2012-11-15 | Cummins Filtration Ip Inc. | Filter with Specified Flow Path Combinations |
US9555346B2 (en) | 2011-05-10 | 2017-01-31 | Cummins Filtration Ip Inc. | Filter with tri-flow path combinations |
US20130152920A1 (en) * | 2011-12-15 | 2013-06-20 | 3M Innovative Properties Company | Air filtration device having subsections lacking fluid communication |
US8887719B2 (en) * | 2011-12-15 | 2014-11-18 | 3M Innovative Properties Company | Air filtration device having tuned air distribution system |
US8899227B2 (en) * | 2011-12-15 | 2014-12-02 | 3M Innovative Properties Company | Air filtration device having subsections lacking fluid communication |
US20130152919A1 (en) * | 2011-12-15 | 2013-06-20 | 3M Innovative Properties Company | Air filtration device having tuned air distribution system |
US9744328B2 (en) | 2011-12-15 | 2017-08-29 | 3M Innovative Properties Company | Air filtration device having tuned air distribution system |
US9744329B2 (en) | 2011-12-15 | 2017-08-29 | 3M Innovative Properties Company | Air filtration device having subsections lacking fluid communication |
US20160194994A1 (en) * | 2013-08-13 | 2016-07-07 | Emitec Gesellschaft Fur Emissionstechnologie Mbh | Exhaust gas treatment unit comprising flow dividing and mixing guide elements |
US9896983B2 (en) * | 2013-08-13 | 2018-02-20 | Continental Automotive Gmbh | Exhaust gas treatment unit comprising flow dividing and mixing guide elements |
US20150113928A1 (en) * | 2013-10-30 | 2015-04-30 | Green Filter USA, Inc. | Dual air source automotive air filter systems |
US10683791B2 (en) * | 2016-02-12 | 2020-06-16 | Bayerische Motoren Werke Aktiengesellschaft | Exhaust gas purification system |
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Legal Events
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