CORDIERITE FILTERS WITH REDUCED PRESSURE DROP
A diesel particulate filter comprising a plugged, wall-flow honeycomb filter body composed of cordierite and having a plurality of parallel end-plugged cell channels traversing the body from a frontal inlet end to an outlet end thereof, wherein the filter exhibits a CTE (25-800° C.) of less than 13x...
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| creator | TAO, TINGHONG MERKEL, GREGORY, A |
| description | A diesel particulate filter comprising a plugged, wall-flow honeycomb filter body composed of cordierite and having a plurality of parallel end-plugged cell channels traversing the body from a frontal inlet end to an outlet end thereof, wherein the filter exhibits a CTE (25-800° C.) of less than 13x10-7/° C., a bulk filter density of less than 0.60 g/cm3, a median pore diameter, d50, of less than 25 micrometers, a porosity and pore size distribution that satisfy the relationship Pm |
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| fullrecord | <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_EP1639236A4</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>EP1639236A4</sourcerecordid><originalsourceid>FETCH-epo_espacenet_EP1639236A43</originalsourceid><addsrcrecordid>eNrjZNB19g9y8XQN8gxxVXDz9AlxDQpWCPcM8VAIcnUJdXZ1UQgIcg0ODg1yVXAJ8g_gYWBNS8wpTuWF0twMCm6uIc4euqkF-fGpxQWJyal5qSXxrgGGZsaWRsZmjibGRCgBAImHJUc</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>CORDIERITE FILTERS WITH REDUCED PRESSURE DROP</title><source>esp@cenet</source><creator>TAO, TINGHONG ; MERKEL, GREGORY, A</creator><creatorcontrib>TAO, TINGHONG ; MERKEL, GREGORY, A</creatorcontrib><description>A diesel particulate filter comprising a plugged, wall-flow honeycomb filter body composed of cordierite and having a plurality of parallel end-plugged cell channels traversing the body from a frontal inlet end to an outlet end thereof, wherein the filter exhibits a CTE (25-800° C.) of less than 13x10-7/° C., a bulk filter density of less than 0.60 g/cm3, a median pore diameter, d50, of less than 25 micrometers, a porosity and pore size distribution that satisfy the relationship Pm<=3.75, wherein Pm is equal to 10.2474{1/[(d50)2(%porosity/100)]}+0.0366183(d90)-0.00040119(d90)2+0.468815(100/%porosity)2+0.0297715(d50)+1.61639(d50-d10)/d50, wherein d10, and d90 are pore diameters at 10% and 90% of the pore size distribution on a volumetric basis, and d10<d50<d90. A method of making the same is also provided.</description><language>eng ; fre ; ger</language><subject>ARTIFICIAL STONE ; BLASTING ; CEMENTS ; CERAMICS ; CHEMISTRY ; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS ; CONCRETE ; 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 ; LIGHTING ; LIME, MAGNESIA ; MACHINES OR ENGINES IN GENERAL ; MECHANICAL ENGINEERING ; METALLURGY ; PERFORMING OPERATIONS ; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ; REFRACTORIES ; SEPARATION ; SLAG ; STEAM ENGINES ; TRANSPORTING ; TREATMENT OF NATURAL STONE ; WEAPONS</subject><creationdate>2009</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=20090513&DB=EPODOC&CC=EP&NR=1639236A4$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20090513&DB=EPODOC&CC=EP&NR=1639236A4$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TAO, TINGHONG</creatorcontrib><creatorcontrib>MERKEL, GREGORY, A</creatorcontrib><title>CORDIERITE FILTERS WITH REDUCED PRESSURE DROP</title><description>A diesel particulate filter comprising a plugged, wall-flow honeycomb filter body composed of cordierite and having a plurality of parallel end-plugged cell channels traversing the body from a frontal inlet end to an outlet end thereof, wherein the filter exhibits a CTE (25-800° C.) of less than 13x10-7/° C., a bulk filter density of less than 0.60 g/cm3, a median pore diameter, d50, of less than 25 micrometers, a porosity and pore size distribution that satisfy the relationship Pm<=3.75, wherein Pm is equal to 10.2474{1/[(d50)2(%porosity/100)]}+0.0366183(d90)-0.00040119(d90)2+0.468815(100/%porosity)2+0.0297715(d50)+1.61639(d50-d10)/d50, wherein d10, and d90 are pore diameters at 10% and 90% of the pore size distribution on a volumetric basis, and d10<d50<d90. A method of making the same is also provided.</description><subject>ARTIFICIAL STONE</subject><subject>BLASTING</subject><subject>CEMENTS</subject><subject>CERAMICS</subject><subject>CHEMISTRY</subject><subject>COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS</subject><subject>CONCRETE</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>LIGHTING</subject><subject>LIME, MAGNESIA</subject><subject>MACHINES OR ENGINES IN GENERAL</subject><subject>MECHANICAL ENGINEERING</subject><subject>METALLURGY</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</subject><subject>REFRACTORIES</subject><subject>SEPARATION</subject><subject>SLAG</subject><subject>STEAM ENGINES</subject><subject>TRANSPORTING</subject><subject>TREATMENT OF NATURAL STONE</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2009</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNB19g9y8XQN8gxxVXDz9AlxDQpWCPcM8VAIcnUJdXZ1UQgIcg0ODg1yVXAJ8g_gYWBNS8wpTuWF0twMCm6uIc4euqkF-fGpxQWJyal5qSXxrgGGZsaWRsZmjibGRCgBAImHJUc</recordid><startdate>20090513</startdate><enddate>20090513</enddate><creator>TAO, TINGHONG</creator><creator>MERKEL, GREGORY, A</creator><scope>EVB</scope></search><sort><creationdate>20090513</creationdate><title>CORDIERITE FILTERS WITH REDUCED PRESSURE DROP</title><author>TAO, TINGHONG ; MERKEL, GREGORY, A</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP1639236A43</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2009</creationdate><topic>ARTIFICIAL STONE</topic><topic>BLASTING</topic><topic>CEMENTS</topic><topic>CERAMICS</topic><topic>CHEMISTRY</topic><topic>COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS</topic><topic>CONCRETE</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>LIGHTING</topic><topic>LIME, MAGNESIA</topic><topic>MACHINES OR ENGINES IN GENERAL</topic><topic>MECHANICAL ENGINEERING</topic><topic>METALLURGY</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</topic><topic>REFRACTORIES</topic><topic>SEPARATION</topic><topic>SLAG</topic><topic>STEAM ENGINES</topic><topic>TRANSPORTING</topic><topic>TREATMENT OF NATURAL STONE</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>TAO, TINGHONG</creatorcontrib><creatorcontrib>MERKEL, GREGORY, A</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>TAO, TINGHONG</au><au>MERKEL, GREGORY, A</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>CORDIERITE FILTERS WITH REDUCED PRESSURE DROP</title><date>2009-05-13</date><risdate>2009</risdate><abstract>A diesel particulate filter comprising a plugged, wall-flow honeycomb filter body composed of cordierite and having a plurality of parallel end-plugged cell channels traversing the body from a frontal inlet end to an outlet end thereof, wherein the filter exhibits a CTE (25-800° C.) of less than 13x10-7/° C., a bulk filter density of less than 0.60 g/cm3, a median pore diameter, d50, of less than 25 micrometers, a porosity and pore size distribution that satisfy the relationship Pm<=3.75, wherein Pm is equal to 10.2474{1/[(d50)2(%porosity/100)]}+0.0366183(d90)-0.00040119(d90)2+0.468815(100/%porosity)2+0.0297715(d50)+1.61639(d50-d10)/d50, wherein d10, and d90 are pore diameters at 10% and 90% of the pore size distribution on a volumetric basis, and d10<d50<d90. A method of making the same is also provided.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ARTIFICIAL STONE BLASTING CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE 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 LIGHTING LIME, MAGNESIA MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL REFRACTORIES SEPARATION SLAG STEAM ENGINES TRANSPORTING TREATMENT OF NATURAL STONE WEAPONS |
| title | CORDIERITE FILTERS WITH REDUCED PRESSURE DROP |
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