Reducing exhaust emissions by controlling the exhaust composition entering a filter
A method of reducing emissions in the exhaust system 20 of an engine 40 by providing a filter 10 for trapping carbon-containing particles and oxides of nitrogen and by controlling the composition of the exhaust supply to the filter so that the amount of carbon containing particles therein is equal t...
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| creator | ANNIKA C KRISTOFFERSSON PER ERICSSON |
| description | A method of reducing emissions in the exhaust system 20 of an engine 40 by providing a filter 10 for trapping carbon-containing particles and oxides of nitrogen and by controlling the composition of the exhaust supply to the filter so that the amount of carbon containing particles therein is equal to or excesses of the amount required for the reduction of the nitrogen oxides to nitrogen at all times. Preferably the required amount of carbon containing particles is provided by using an exhaust gas recirculation EGR system 24 or a direct injection arrangement to produce a stoichiometric ratio. An engine and exhaust system is also claimed as well as a filter for an exhaust system having a coating comprising a uniform mixture of platinum and barium oxide. |
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Preferably the required amount of carbon containing particles is provided by using an exhaust gas recirculation EGR system 24 or a direct injection arrangement to produce a stoichiometric ratio. An engine and exhaust system is also claimed as well as a filter for an exhaust system having a coating comprising a uniform mixture of platinum and barium oxide.</description><language>eng</language><subject>BLASTING ; COMBUSTION ENGINES ; CONTROLLING COMBUSTION ENGINES ; ENGINE PLANTS IN GENERAL ; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES ; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL ; HEATING ; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS ; LIGHTING ; MACHINES OR ENGINES IN GENERAL ; MECHANICAL ENGINEERING ; PERFORMING OPERATIONS ; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ; SEPARATION ; STEAM ENGINES ; TRANSPORTING ; WEAPONS</subject><creationdate>2012</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20120613&DB=EPODOC&CC=GB&NR=2486196A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20120613&DB=EPODOC&CC=GB&NR=2486196A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ANNIKA C KRISTOFFERSSON</creatorcontrib><creatorcontrib>PER ERICSSON</creatorcontrib><title>Reducing exhaust emissions by controlling the exhaust composition entering a filter</title><description>A method of reducing emissions in the exhaust system 20 of an engine 40 by providing a filter 10 for trapping carbon-containing particles and oxides of nitrogen and by controlling the composition of the exhaust supply to the filter so that the amount of carbon containing particles therein is equal to or excesses of the amount required for the reduction of the nitrogen oxides to nitrogen at all times. Preferably the required amount of carbon containing particles is provided by using an exhaust gas recirculation EGR system 24 or a direct injection arrangement to produce a stoichiometric ratio. An engine and exhaust system is also claimed as well as a filter for an exhaust system having a coating comprising a uniform mixture of platinum and barium oxide.</description><subject>BLASTING</subject><subject>COMBUSTION ENGINES</subject><subject>CONTROLLING COMBUSTION ENGINES</subject><subject>ENGINE PLANTS IN GENERAL</subject><subject>GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES</subject><subject>GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL</subject><subject>HEATING</subject><subject>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</subject><subject>LIGHTING</subject><subject>MACHINES OR ENGINES IN GENERAL</subject><subject>MECHANICAL ENGINEERING</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</subject><subject>SEPARATION</subject><subject>STEAM ENGINES</subject><subject>TRANSPORTING</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2012</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZAgOSk0pTc7MS1dIrchILC0uUUjNzSwuzszPK1ZIqlRIzs8rKcrPyQEpKMlIhStKzs8tyC_OLAGqU0jNK0ktAilIVEjLzAGyeRhY0xJzilN5oTQ3g7yba4izh25qQX58anFBYnJqXmpJvLuTkYmFmaGlmaMxYRUA7Zc4ew</recordid><startdate>20120613</startdate><enddate>20120613</enddate><creator>ANNIKA C KRISTOFFERSSON</creator><creator>PER ERICSSON</creator><scope>EVB</scope></search><sort><creationdate>20120613</creationdate><title>Reducing exhaust emissions by controlling the exhaust composition entering a filter</title><author>ANNIKA C KRISTOFFERSSON ; PER ERICSSON</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_GB2486196A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2012</creationdate><topic>BLASTING</topic><topic>COMBUSTION ENGINES</topic><topic>CONTROLLING COMBUSTION ENGINES</topic><topic>ENGINE PLANTS IN GENERAL</topic><topic>GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES</topic><topic>GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL</topic><topic>HEATING</topic><topic>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</topic><topic>LIGHTING</topic><topic>MACHINES OR ENGINES IN GENERAL</topic><topic>MECHANICAL ENGINEERING</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</topic><topic>SEPARATION</topic><topic>STEAM ENGINES</topic><topic>TRANSPORTING</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>ANNIKA C KRISTOFFERSSON</creatorcontrib><creatorcontrib>PER ERICSSON</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ANNIKA C KRISTOFFERSSON</au><au>PER ERICSSON</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Reducing exhaust emissions by controlling the exhaust composition entering a filter</title><date>2012-06-13</date><risdate>2012</risdate><abstract>A method of reducing emissions in the exhaust system 20 of an engine 40 by providing a filter 10 for trapping carbon-containing particles and oxides of nitrogen and by controlling the composition of the exhaust supply to the filter so that the amount of carbon containing particles therein is equal to or excesses of the amount required for the reduction of the nitrogen oxides to nitrogen at all times. Preferably the required amount of carbon containing particles is provided by using an exhaust gas recirculation EGR system 24 or a direct injection arrangement to produce a stoichiometric ratio. An engine and exhaust system is also claimed as well as a filter for an exhaust system having a coating comprising a uniform mixture of platinum and barium oxide.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BLASTING COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES ENGINE PLANTS IN GENERAL GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION STEAM ENGINES TRANSPORTING WEAPONS |
| title | Reducing exhaust emissions by controlling the exhaust composition entering a filter |
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