AN EXHAUST SYSTEM COMPRISING A SCR-CATALYST
The present invention relates to an exhaust system for heavy vehicles, such as trucks, industrial trucks and buses, comprising an SCR-catalyst for the utilization of urea in order to clean exhaust gases from NOx. The exhaust system is at least partly constructed from a material having the following...
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| creator | KANGAS, PASI ROSBERG, ANDREAS |
| description | The present invention relates to an exhaust system for heavy vehicles, such as trucks, industrial trucks and buses, comprising an SCR-catalyst for the utilization of urea in order to clean exhaust gases from NOx. The exhaust system is at least partly constructed from a material having the following composition in % by weight: C max 0.02 Si 0.1-0.8 Mn 0.5-3.0 P max 0.02 S max 0.010 Cr 24-26 Ni 21-23 Mo+0,5W 1.5-3.0 Cu max 0.8 Al max 0.03 B max 0.020 N 0.05-0.20 the balance Fe together with normally occurring impurities.
La présente invention concerne un système d'échappement pour véhicules lourds, tels que des camions, des chariots de manutention et des bus comprenant un catalyseur SCR pour l'utilisation d'urée en vue d'éliminer Nox des gaz d'échappement. Ce système d'échappement est, au moins partiellement, constitué d'une matière possédant la composition suivante en pourcentage pondéral : C max 0,02 ; Si 0,1-0,8 ; Mn 0,5-3,0 ; P max 0,02 ; S max 0,010 ; Cr 24-26 ; Ni 21-23 ; Mo+0,5 ; W 1,5-3,0 ; Cu max 0,8 ; Al max 0,03 ; B max 0,020 ; N 0,05-0,20 ; le reste constituant Fe avec des impuretés qui apparaissent normalement. |
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La présente invention concerne un système d'échappement pour véhicules lourds, tels que des camions, des chariots de manutention et des bus comprenant un catalyseur SCR pour l'utilisation d'urée en vue d'éliminer Nox des gaz d'échappement. Ce système d'échappement est, au moins partiellement, constitué d'une matière possédant la composition suivante en pourcentage pondéral : C max 0,02 ; Si 0,1-0,8 ; Mn 0,5-3,0 ; P max 0,02 ; S max 0,010 ; Cr 24-26 ; Ni 21-23 ; Mo+0,5 ; W 1,5-3,0 ; Cu max 0,8 ; Al max 0,03 ; B max 0,020 ; N 0,05-0,20 ; le reste constituant Fe avec des impuretés qui apparaissent normalement.</description><language>eng ; fre</language><subject>ALLOYS ; CHEMISTRY ; FERROUS OR NON-FERROUS ALLOYS ; METALLURGY ; PERFORMING OPERATIONS ; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ; SEPARATION ; TRANSPORTING ; TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><creationdate>2007</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=20070111&DB=EPODOC&CC=WO&NR=2007004940A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20070111&DB=EPODOC&CC=WO&NR=2007004940A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KANGAS, PASI</creatorcontrib><creatorcontrib>ROSBERG, ANDREAS</creatorcontrib><title>AN EXHAUST SYSTEM COMPRISING A SCR-CATALYST</title><description>The present invention relates to an exhaust system for heavy vehicles, such as trucks, industrial trucks and buses, comprising an SCR-catalyst for the utilization of urea in order to clean exhaust gases from NOx. The exhaust system is at least partly constructed from a material having the following composition in % by weight: C max 0.02 Si 0.1-0.8 Mn 0.5-3.0 P max 0.02 S max 0.010 Cr 24-26 Ni 21-23 Mo+0,5W 1.5-3.0 Cu max 0.8 Al max 0.03 B max 0.020 N 0.05-0.20 the balance Fe together with normally occurring impurities.
La présente invention concerne un système d'échappement pour véhicules lourds, tels que des camions, des chariots de manutention et des bus comprenant un catalyseur SCR pour l'utilisation d'urée en vue d'éliminer Nox des gaz d'échappement. Ce système d'échappement est, au moins partiellement, constitué d'une matière possédant la composition suivante en pourcentage pondéral : C max 0,02 ; Si 0,1-0,8 ; Mn 0,5-3,0 ; P max 0,02 ; S max 0,010 ; Cr 24-26 ; Ni 21-23 ; Mo+0,5 ; W 1,5-3,0 ; Cu max 0,8 ; Al max 0,03 ; B max 0,020 ; N 0,05-0,20 ; le reste constituant Fe avec des impuretés qui apparaissent normalement.</description><subject>ALLOYS</subject><subject>CHEMISTRY</subject><subject>FERROUS OR NON-FERROUS ALLOYS</subject><subject>METALLURGY</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</subject><subject>SEPARATION</subject><subject>TRANSPORTING</subject><subject>TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2007</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNB29FNwjfBwDA0OUQiODA5x9VVw9vcNCPIM9vRzV3BUCHYO0nV2DHH0AcrxMLCmJeYUp_JCaW4GZTfXEGcP3dSC_PjU4oLE5NS81JL4cH8jAwNzAwMTSxMDR0Nj4lQBABCdJeI</recordid><startdate>20070111</startdate><enddate>20070111</enddate><creator>KANGAS, PASI</creator><creator>ROSBERG, ANDREAS</creator><scope>EVB</scope></search><sort><creationdate>20070111</creationdate><title>AN EXHAUST SYSTEM COMPRISING A SCR-CATALYST</title><author>KANGAS, PASI ; ROSBERG, ANDREAS</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_WO2007004940A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre</language><creationdate>2007</creationdate><topic>ALLOYS</topic><topic>CHEMISTRY</topic><topic>FERROUS OR NON-FERROUS ALLOYS</topic><topic>METALLURGY</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</topic><topic>SEPARATION</topic><topic>TRANSPORTING</topic><topic>TREATMENT OF ALLOYS OR NON-FERROUS METALS</topic><toplevel>online_resources</toplevel><creatorcontrib>KANGAS, PASI</creatorcontrib><creatorcontrib>ROSBERG, ANDREAS</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KANGAS, PASI</au><au>ROSBERG, ANDREAS</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>AN EXHAUST SYSTEM COMPRISING A SCR-CATALYST</title><date>2007-01-11</date><risdate>2007</risdate><abstract>The present invention relates to an exhaust system for heavy vehicles, such as trucks, industrial trucks and buses, comprising an SCR-catalyst for the utilization of urea in order to clean exhaust gases from NOx. The exhaust system is at least partly constructed from a material having the following composition in % by weight: C max 0.02 Si 0.1-0.8 Mn 0.5-3.0 P max 0.02 S max 0.010 Cr 24-26 Ni 21-23 Mo+0,5W 1.5-3.0 Cu max 0.8 Al max 0.03 B max 0.020 N 0.05-0.20 the balance Fe together with normally occurring impurities.
La présente invention concerne un système d'échappement pour véhicules lourds, tels que des camions, des chariots de manutention et des bus comprenant un catalyseur SCR pour l'utilisation d'urée en vue d'éliminer Nox des gaz d'échappement. Ce système d'échappement est, au moins partiellement, constitué d'une matière possédant la composition suivante en pourcentage pondéral : C max 0,02 ; Si 0,1-0,8 ; Mn 0,5-3,0 ; P max 0,02 ; S max 0,010 ; Cr 24-26 ; Ni 21-23 ; Mo+0,5 ; W 1,5-3,0 ; Cu max 0,8 ; Al max 0,03 ; B max 0,020 ; N 0,05-0,20 ; le reste constituant Fe avec des impuretés qui apparaissent normalement.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| title | AN EXHAUST SYSTEM COMPRISING A SCR-CATALYST |
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