Hybrid vapor cooled power lead for cryostat
A power lead (1) for a cryostat (83) has high temperature superconducting (HTSC) conductors (7) extending inward toward a pool (93) of liquid cryogen in the cryostat (83) in series with normal conductors (21) extending from the HTSC conductors (7) to outside the cryostat. Tubular shrouds (31, 35, 37...
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| creator | DEDERER, JEFFREY TODD WU, JIING-LIANG |
| description | A power lead (1) for a cryostat (83) has high temperature superconducting (HTSC) conductors (7) extending inward toward a pool (93) of liquid cryogen in the cryostat (83) in series with normal conductors (21) extending from the HTSC conductors (7) to outside the cryostat. Tubular shrouds (31, 35, 37) vented to atmosphere direct a flow of cryogen vapor along the HTSC conductors (7) to maintain them superconducting, and along the normal conductors (21) to remove Joule heat and heat leakage along the normal conductors. In one embodiment, a pool of liquid nitrogen maintained within a tubular inner shroud (35) is the principal coolant for the normal conductors (21). Helium vapor is circulated over the HTSC conductors and is then directed by an outer tubular shroud (37) around the inner tubular shroud (35) to provide additional cooling for the normal conductors (21). Flexible connectors (13) at one end of each of the HTSC conductors (7) accommodate for individual thermal contractions of these conductors. |
| format | Patent |
| fullrecord | <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_EP0482840B1</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>EP0482840B1</sourcerecordid><originalsourceid>FETCH-epo_espacenet_EP0482840B13</originalsourceid><addsrcrecordid>eNrjZND2qEwqykxRKEssyC9SSM7Pz0lNUSjIL08tUshJTUxRSAOJFlXmF5cklvAwsKYl5hSn8kJpbgYFN9cQZw_d1IL8-NTigsTk1LzUknjXAAMTCyMLEwMnQ2MilAAACRoo8w</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>Hybrid vapor cooled power lead for cryostat</title><source>esp@cenet</source><creator>DEDERER, JEFFREY TODD ; WU, JIING-LIANG</creator><creatorcontrib>DEDERER, JEFFREY TODD ; WU, JIING-LIANG</creatorcontrib><description>A power lead (1) for a cryostat (83) has high temperature superconducting (HTSC) conductors (7) extending inward toward a pool (93) of liquid cryogen in the cryostat (83) in series with normal conductors (21) extending from the HTSC conductors (7) to outside the cryostat. Tubular shrouds (31, 35, 37) vented to atmosphere direct a flow of cryogen vapor along the HTSC conductors (7) to maintain them superconducting, and along the normal conductors (21) to remove Joule heat and heat leakage along the normal conductors. In one embodiment, a pool of liquid nitrogen maintained within a tubular inner shroud (35) is the principal coolant for the normal conductors (21). Helium vapor is circulated over the HTSC conductors and is then directed by an outer tubular shroud (37) around the inner tubular shroud (35) to provide additional cooling for the normal conductors (21). Flexible connectors (13) at one end of each of the HTSC conductors (7) accommodate for individual thermal contractions of these conductors.</description><edition>5</edition><language>eng ; fre ; ger</language><subject>BLASTING ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; ELECTRICITY ; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED,LIQUEFIED, OR SOLIDIFIED GASES ; FIXED-CAPACITY GAS-HOLDERS ; GENERATION ; HEATING ; INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINEDOPTICAL AND ELECTRIC CABLES OR LINES ; LIGHTING ; MECHANICAL ENGINEERING ; STORING OF DISTRIBUTING GASES OR LIQUIDS ; VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED ORSOLIDIFIED GASES ; WEAPONS</subject><creationdate>1994</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=19941228&DB=EPODOC&CC=EP&NR=0482840B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19941228&DB=EPODOC&CC=EP&NR=0482840B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>DEDERER, JEFFREY TODD</creatorcontrib><creatorcontrib>WU, JIING-LIANG</creatorcontrib><title>Hybrid vapor cooled power lead for cryostat</title><description>A power lead (1) for a cryostat (83) has high temperature superconducting (HTSC) conductors (7) extending inward toward a pool (93) of liquid cryogen in the cryostat (83) in series with normal conductors (21) extending from the HTSC conductors (7) to outside the cryostat. Tubular shrouds (31, 35, 37) vented to atmosphere direct a flow of cryogen vapor along the HTSC conductors (7) to maintain them superconducting, and along the normal conductors (21) to remove Joule heat and heat leakage along the normal conductors. In one embodiment, a pool of liquid nitrogen maintained within a tubular inner shroud (35) is the principal coolant for the normal conductors (21). Helium vapor is circulated over the HTSC conductors and is then directed by an outer tubular shroud (37) around the inner tubular shroud (35) to provide additional cooling for the normal conductors (21). Flexible connectors (13) at one end of each of the HTSC conductors (7) accommodate for individual thermal contractions of these conductors.</description><subject>BLASTING</subject><subject>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</subject><subject>ELECTRICITY</subject><subject>FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED,LIQUEFIED, OR SOLIDIFIED GASES</subject><subject>FIXED-CAPACITY GAS-HOLDERS</subject><subject>GENERATION</subject><subject>HEATING</subject><subject>INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINEDOPTICAL AND ELECTRIC CABLES OR LINES</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>STORING OF DISTRIBUTING GASES OR LIQUIDS</subject><subject>VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED ORSOLIDIFIED GASES</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1994</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZND2qEwqykxRKEssyC9SSM7Pz0lNUSjIL08tUshJTUxRSAOJFlXmF5cklvAwsKYl5hSn8kJpbgYFN9cQZw_d1IL8-NTigsTk1LzUknjXAAMTCyMLEwMnQ2MilAAACRoo8w</recordid><startdate>19941228</startdate><enddate>19941228</enddate><creator>DEDERER, JEFFREY TODD</creator><creator>WU, JIING-LIANG</creator><scope>EVB</scope></search><sort><creationdate>19941228</creationdate><title>Hybrid vapor cooled power lead for cryostat</title><author>DEDERER, JEFFREY TODD ; WU, JIING-LIANG</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP0482840B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>1994</creationdate><topic>BLASTING</topic><topic>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</topic><topic>ELECTRICITY</topic><topic>FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED,LIQUEFIED, OR SOLIDIFIED GASES</topic><topic>FIXED-CAPACITY GAS-HOLDERS</topic><topic>GENERATION</topic><topic>HEATING</topic><topic>INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINEDOPTICAL AND ELECTRIC CABLES OR LINES</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>STORING OF DISTRIBUTING GASES OR LIQUIDS</topic><topic>VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED ORSOLIDIFIED GASES</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>DEDERER, JEFFREY TODD</creatorcontrib><creatorcontrib>WU, JIING-LIANG</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>DEDERER, JEFFREY TODD</au><au>WU, JIING-LIANG</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Hybrid vapor cooled power lead for cryostat</title><date>1994-12-28</date><risdate>1994</risdate><abstract>A power lead (1) for a cryostat (83) has high temperature superconducting (HTSC) conductors (7) extending inward toward a pool (93) of liquid cryogen in the cryostat (83) in series with normal conductors (21) extending from the HTSC conductors (7) to outside the cryostat. Tubular shrouds (31, 35, 37) vented to atmosphere direct a flow of cryogen vapor along the HTSC conductors (7) to maintain them superconducting, and along the normal conductors (21) to remove Joule heat and heat leakage along the normal conductors. In one embodiment, a pool of liquid nitrogen maintained within a tubular inner shroud (35) is the principal coolant for the normal conductors (21). Helium vapor is circulated over the HTSC conductors and is then directed by an outer tubular shroud (37) around the inner tubular shroud (35) to provide additional cooling for the normal conductors (21). Flexible connectors (13) at one end of each of the HTSC conductors (7) accommodate for individual thermal contractions of these conductors.</abstract><edition>5</edition><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | BLASTING CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED,LIQUEFIED, OR SOLIDIFIED GASES FIXED-CAPACITY GAS-HOLDERS GENERATION HEATING INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINEDOPTICAL AND ELECTRIC CABLES OR LINES LIGHTING MECHANICAL ENGINEERING STORING OF DISTRIBUTING GASES OR LIQUIDS VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED ORSOLIDIFIED GASES WEAPONS |
| title | Hybrid vapor cooled power lead for cryostat |
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