PLASMA HEATED SINTERING FURNACE
A furnace (10) for the sintering of refractory or ceramic materials using plasma heated gases. The furnace comprises a sintering chamber (12) with strategic positioning of the plasma torch inlets (14 and 14 min ) and exhaust outlet (16), and means for controlling the furnace temperature during sinte...
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| creator | JONATHAN J. KIM VISWANATHAN VENKATESWARAN |
| description | A furnace (10) for the sintering of refractory or ceramic materials using plasma heated gases. The furnace comprises a sintering chamber (12) with strategic positioning of the plasma torch inlets (14 and 14 min ) and exhaust outlet (16), and means for controlling the furnace temperature during sintering so that the article being sintered does not decompose. Means for controlling the furnace temperature during sintering include: 1) Tangential injection of a secondary colder gas stream into the hot primary plasma gas stream; 2) Utilisation of a plasma torch or torches which can be temperature controlled to achieve stable and lower plasma gas temperatures; and 3) Introduction of a secondary cooler gas directly into the furnace sintering chamber. |
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| fullrecord | <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_ZA861878B</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>ZA861878B</sourcerecordid><originalsourceid>FETCH-epo_espacenet_ZA861878B3</originalsourceid><addsrcrecordid>eNrjZJAP8HEM9nVU8HB1DHF1UQj29AtxDfL0c1dwCw3yc3R25WFgTUvMKU7lhdLcDHJuriHOHrqpBfnxqcUFicmpeakl8VGOFmaGFuYWTsYEFQAAEaIggg</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>PLASMA HEATED SINTERING FURNACE</title><source>esp@cenet</source><creator>JONATHAN J. KIM ; VISWANATHAN VENKATESWARAN</creator><creatorcontrib>JONATHAN J. KIM ; VISWANATHAN VENKATESWARAN</creatorcontrib><description>A furnace (10) for the sintering of refractory or ceramic materials using plasma heated gases. The furnace comprises a sintering chamber (12) with strategic positioning of the plasma torch inlets (14 and 14 min ) and exhaust outlet (16), and means for controlling the furnace temperature during sintering so that the article being sintered does not decompose. Means for controlling the furnace temperature during sintering include: 1) Tangential injection of a secondary colder gas stream into the hot primary plasma gas stream; 2) Utilisation of a plasma torch or torches which can be temperature controlled to achieve stable and lower plasma gas temperatures; and 3) Introduction of a secondary cooler gas directly into the furnace sintering chamber.</description><edition>2</edition><language>eng</language><subject>ARTIFICIAL STONE ; BLASTING ; CASTING ; CEMENTS ; CERAMICS ; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY ; CHEMISTRY ; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS ; CONCRETE ; DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE ; ELECTRIC HEATING ; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ; ELECTRICITY ; FURNACES ; FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL ; HEATING ; KILNS ; LIGHTING ; LIME, MAGNESIA ; MAKING METALLIC POWDER ; MANUFACTURE OF ARTICLES FROM METALLIC POWDER ; MECHANICAL ENGINEERING ; METALLURGY ; OPEN SINTERING OR LIKE APPARATUS ; OVENS ; PERFORMING OPERATIONS ; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ; PLASMA TECHNIQUE ; POWDER METALLURGY ; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OFNEUTRONS ; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMICBEAMS ; REFRACTORIES ; RETORTS ; SLAG ; THEIR RELEVANT APPARATUS ; TRANSPORTING ; TREATMENT OF NATURAL STONE ; WEAPONS ; WORKING METALLIC POWDER</subject><creationdate>1986</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=19861126&DB=EPODOC&CC=ZA&NR=861878B$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,309,781,886,25569,76552</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19861126&DB=EPODOC&CC=ZA&NR=861878B$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>JONATHAN J. KIM</creatorcontrib><creatorcontrib>VISWANATHAN VENKATESWARAN</creatorcontrib><title>PLASMA HEATED SINTERING FURNACE</title><description>A furnace (10) for the sintering of refractory or ceramic materials using plasma heated gases. The furnace comprises a sintering chamber (12) with strategic positioning of the plasma torch inlets (14 and 14 min ) and exhaust outlet (16), and means for controlling the furnace temperature during sintering so that the article being sintered does not decompose. Means for controlling the furnace temperature during sintering include: 1) Tangential injection of a secondary colder gas stream into the hot primary plasma gas stream; 2) Utilisation of a plasma torch or torches which can be temperature controlled to achieve stable and lower plasma gas temperatures; and 3) Introduction of a secondary cooler gas directly into the furnace sintering chamber.</description><subject>ARTIFICIAL STONE</subject><subject>BLASTING</subject><subject>CASTING</subject><subject>CEMENTS</subject><subject>CERAMICS</subject><subject>CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY</subject><subject>CHEMISTRY</subject><subject>COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS</subject><subject>CONCRETE</subject><subject>DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE</subject><subject>ELECTRIC HEATING</subject><subject>ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR</subject><subject>ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR</subject><subject>ELECTRICITY</subject><subject>FURNACES</subject><subject>FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL</subject><subject>HEATING</subject><subject>KILNS</subject><subject>LIGHTING</subject><subject>LIME, MAGNESIA</subject><subject>MAKING METALLIC POWDER</subject><subject>MANUFACTURE OF ARTICLES FROM METALLIC POWDER</subject><subject>MECHANICAL ENGINEERING</subject><subject>METALLURGY</subject><subject>OPEN SINTERING OR LIKE APPARATUS</subject><subject>OVENS</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</subject><subject>PLASMA TECHNIQUE</subject><subject>POWDER METALLURGY</subject><subject>PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OFNEUTRONS</subject><subject>PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMICBEAMS</subject><subject>REFRACTORIES</subject><subject>RETORTS</subject><subject>SLAG</subject><subject>THEIR RELEVANT APPARATUS</subject><subject>TRANSPORTING</subject><subject>TREATMENT OF NATURAL STONE</subject><subject>WEAPONS</subject><subject>WORKING METALLIC POWDER</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1986</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJAP8HEM9nVU8HB1DHF1UQj29AtxDfL0c1dwCw3yc3R25WFgTUvMKU7lhdLcDHJuriHOHrqpBfnxqcUFicmpeakl8VGOFmaGFuYWTsYEFQAAEaIggg</recordid><startdate>19861126</startdate><enddate>19861126</enddate><creator>JONATHAN J. KIM</creator><creator>VISWANATHAN VENKATESWARAN</creator><scope>EVB</scope></search><sort><creationdate>19861126</creationdate><title>PLASMA HEATED SINTERING FURNACE</title><author>JONATHAN J. KIM ; VISWANATHAN VENKATESWARAN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_ZA861878B3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1986</creationdate><topic>ARTIFICIAL STONE</topic><topic>BLASTING</topic><topic>CASTING</topic><topic>CEMENTS</topic><topic>CERAMICS</topic><topic>CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY</topic><topic>CHEMISTRY</topic><topic>COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS</topic><topic>CONCRETE</topic><topic>DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE</topic><topic>ELECTRIC HEATING</topic><topic>ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR</topic><topic>ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR</topic><topic>ELECTRICITY</topic><topic>FURNACES</topic><topic>FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL</topic><topic>HEATING</topic><topic>KILNS</topic><topic>LIGHTING</topic><topic>LIME, MAGNESIA</topic><topic>MAKING METALLIC POWDER</topic><topic>MANUFACTURE OF ARTICLES FROM METALLIC POWDER</topic><topic>MECHANICAL ENGINEERING</topic><topic>METALLURGY</topic><topic>OPEN SINTERING OR LIKE APPARATUS</topic><topic>OVENS</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</topic><topic>PLASMA TECHNIQUE</topic><topic>POWDER METALLURGY</topic><topic>PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OFNEUTRONS</topic><topic>PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMICBEAMS</topic><topic>REFRACTORIES</topic><topic>RETORTS</topic><topic>SLAG</topic><topic>THEIR RELEVANT APPARATUS</topic><topic>TRANSPORTING</topic><topic>TREATMENT OF NATURAL STONE</topic><topic>WEAPONS</topic><topic>WORKING METALLIC POWDER</topic><toplevel>online_resources</toplevel><creatorcontrib>JONATHAN J. KIM</creatorcontrib><creatorcontrib>VISWANATHAN VENKATESWARAN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>JONATHAN J. KIM</au><au>VISWANATHAN VENKATESWARAN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>PLASMA HEATED SINTERING FURNACE</title><date>1986-11-26</date><risdate>1986</risdate><abstract>A furnace (10) for the sintering of refractory or ceramic materials using plasma heated gases. The furnace comprises a sintering chamber (12) with strategic positioning of the plasma torch inlets (14 and 14 min ) and exhaust outlet (16), and means for controlling the furnace temperature during sintering so that the article being sintered does not decompose. Means for controlling the furnace temperature during sintering include: 1) Tangential injection of a secondary colder gas stream into the hot primary plasma gas stream; 2) Utilisation of a plasma torch or torches which can be temperature controlled to achieve stable and lower plasma gas temperatures; and 3) Introduction of a secondary cooler gas directly into the furnace sintering chamber.</abstract><edition>2</edition><oa>free_for_read</oa></addata></record> |
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| subjects | ARTIFICIAL STONE BLASTING CASTING CEMENTS CERAMICS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY FURNACES FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL HEATING KILNS LIGHTING LIME, MAGNESIA MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER MECHANICAL ENGINEERING METALLURGY OPEN SINTERING OR LIKE APPARATUS OVENS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PLASMA TECHNIQUE POWDER METALLURGY PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OFNEUTRONS PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMICBEAMS REFRACTORIES RETORTS SLAG THEIR RELEVANT APPARATUS TRANSPORTING TREATMENT OF NATURAL STONE WEAPONS WORKING METALLIC POWDER |
| title | PLASMA HEATED SINTERING FURNACE |
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