IMPELLER
The present invention relates to an impeller capable of extending service life and increasing desulfurization efficiency to reduce desulfurization time by improving the shape of a blade made of refractory, thereby increasing productivity. The impeller comprises a shaft; and a plurality of blades int...
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| creator | CHOI, JU TAE PARK, JAE DEOK WEE, CHANG HYUN LEE, KAE YOUNG KIM, JONG DEOK |
| description | The present invention relates to an impeller capable of extending service life and increasing desulfurization efficiency to reduce desulfurization time by improving the shape of a blade made of refractory, thereby increasing productivity. The impeller comprises a shaft; and a plurality of blades integrally formed on a lower part of the shaft. The blade includes a flat upper surface; a curved lower surface which is convexly formed downward; and an operating surface and a non-operating surface connecting the sides of the upper and lower surfaces and the other sides of the upper and lower surfaces. The operating surface and the non-operating surface include first straight parts and second straight parts straightly extended downward from one side and the other side of the upper surface; and a first curved part and a second curved part smoothly connecting the extending ends of the first straight part and the second straight part with a lower surface. |
| format | Patent |
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The impeller comprises a shaft; and a plurality of blades integrally formed on a lower part of the shaft. The blade includes a flat upper surface; a curved lower surface which is convexly formed downward; and an operating surface and a non-operating surface connecting the sides of the upper and lower surfaces and the other sides of the upper and lower surfaces. The operating surface and the non-operating surface include first straight parts and second straight parts straightly extended downward from one side and the other side of the upper surface; and a first curved part and a second curved part smoothly connecting the extending ends of the first straight part and the second straight part with a lower surface.</description><language>eng ; kor</language><subject>BLASTING ; CHEMISTRY ; DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE ; FURNACES ; HEATING ; KILNS ; LIGHTING ; MECHANICAL ENGINEERING ; METALLURGY ; METALLURGY OF IRON ; OVENS ; PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL ; RETORTS ; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS ; WEAPONS</subject><creationdate>2014</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=20140904&DB=EPODOC&CC=KR&NR=20140106842A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20140904&DB=EPODOC&CC=KR&NR=20140106842A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>CHOI, JU TAE</creatorcontrib><creatorcontrib>PARK, JAE DEOK</creatorcontrib><creatorcontrib>WEE, CHANG HYUN</creatorcontrib><creatorcontrib>LEE, KAE YOUNG</creatorcontrib><creatorcontrib>KIM, JONG DEOK</creatorcontrib><title>IMPELLER</title><description>The present invention relates to an impeller capable of extending service life and increasing desulfurization efficiency to reduce desulfurization time by improving the shape of a blade made of refractory, thereby increasing productivity. The impeller comprises a shaft; and a plurality of blades integrally formed on a lower part of the shaft. The blade includes a flat upper surface; a curved lower surface which is convexly formed downward; and an operating surface and a non-operating surface connecting the sides of the upper and lower surfaces and the other sides of the upper and lower surfaces. The operating surface and the non-operating surface include first straight parts and second straight parts straightly extended downward from one side and the other side of the upper surface; and a first curved part and a second curved part smoothly connecting the extending ends of the first straight part and the second straight part with a lower surface.</description><subject>BLASTING</subject><subject>CHEMISTRY</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>FURNACES</subject><subject>HEATING</subject><subject>KILNS</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>METALLURGY</subject><subject>METALLURGY OF IRON</subject><subject>OVENS</subject><subject>PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL</subject><subject>RETORTS</subject><subject>TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2014</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZODw9A1w9fFxDeJhYE1LzClO5YXS3AzKbq4hzh66qQX58anFBYnJqXmpJfHeQUYGhiYGhgZmFiZGjsbEqQIAjc0cHQ</recordid><startdate>20140904</startdate><enddate>20140904</enddate><creator>CHOI, JU TAE</creator><creator>PARK, JAE DEOK</creator><creator>WEE, CHANG HYUN</creator><creator>LEE, KAE YOUNG</creator><creator>KIM, JONG DEOK</creator><scope>EVB</scope></search><sort><creationdate>20140904</creationdate><title>IMPELLER</title><author>CHOI, JU TAE ; PARK, JAE DEOK ; WEE, CHANG HYUN ; LEE, KAE YOUNG ; KIM, JONG DEOK</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_KR20140106842A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; kor</language><creationdate>2014</creationdate><topic>BLASTING</topic><topic>CHEMISTRY</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>FURNACES</topic><topic>HEATING</topic><topic>KILNS</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>METALLURGY</topic><topic>METALLURGY OF IRON</topic><topic>OVENS</topic><topic>PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL</topic><topic>RETORTS</topic><topic>TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>CHOI, JU TAE</creatorcontrib><creatorcontrib>PARK, JAE DEOK</creatorcontrib><creatorcontrib>WEE, CHANG HYUN</creatorcontrib><creatorcontrib>LEE, KAE YOUNG</creatorcontrib><creatorcontrib>KIM, JONG DEOK</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>CHOI, JU TAE</au><au>PARK, JAE DEOK</au><au>WEE, CHANG HYUN</au><au>LEE, KAE YOUNG</au><au>KIM, JONG DEOK</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>IMPELLER</title><date>2014-09-04</date><risdate>2014</risdate><abstract>The present invention relates to an impeller capable of extending service life and increasing desulfurization efficiency to reduce desulfurization time by improving the shape of a blade made of refractory, thereby increasing productivity. The impeller comprises a shaft; and a plurality of blades integrally formed on a lower part of the shaft. The blade includes a flat upper surface; a curved lower surface which is convexly formed downward; and an operating surface and a non-operating surface connecting the sides of the upper and lower surfaces and the other sides of the upper and lower surfaces. The operating surface and the non-operating surface include first straight parts and second straight parts straightly extended downward from one side and the other side of the upper surface; and a first curved part and a second curved part smoothly connecting the extending ends of the first straight part and the second straight part with a lower surface.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; kor |
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| subjects | BLASTING CHEMISTRY DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE FURNACES HEATING KILNS LIGHTING MECHANICAL ENGINEERING METALLURGY METALLURGY OF IRON OVENS PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL RETORTS TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS WEAPONS |
| title | IMPELLER |
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