FUEL ASSEMBLY
A fuel assembly comprises a plurality of fuel rods, a lower tie plate for supporting lower ends of the fuel rods, and a channel box surrounding a bundle of the fuel rods and the circumference of the lower tie plate to thereby define a cooling water leak passage between the lower tie plate and the ch...
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| creator | UMEHARA HAJIME YASUDA TETSUO NAKAMURA SHOZO MARU AKIRA MIZUNO TADASHI HAYASHI TATSUO YOSHIMOTO YUICHIRO NAKAJIMA JUNJIRO YANAGI YOSHIHIKO YAMASHITA JUNICHI |
| description | A fuel assembly comprises a plurality of fuel rods, a lower tie plate for supporting lower ends of the fuel rods, and a channel box surrounding a bundle of the fuel rods and the circumference of the lower tie plate to thereby define a cooling water leak passage between the lower tie plate and the channel box. The fuel assembly includes a venturi provided in the lower tie plate for generating a force tending to attract the channel box toward the lower tie plate under the action of a leak stream of the cooling water passing through the cooling water leak passage. The fuel assembly also includes an arrangement provided in the lower tie plate for suppressing vibrations of the channel box caused upon an influence of the venturi. |
| format | Patent |
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The fuel assembly includes a venturi provided in the lower tie plate for generating a force tending to attract the channel box toward the lower tie plate under the action of a leak stream of the cooling water passing through the cooling water leak passage. The fuel assembly also includes an arrangement provided in the lower tie plate for suppressing vibrations of the channel box caused upon an influence of the venturi.</description><language>eng</language><subject>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; NUCLEAR ENGINEERING ; NUCLEAR PHYSICS ; NUCLEAR REACTORS ; PHYSICS ; REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE</subject><creationdate>1992</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=19920707&DB=EPODOC&CC=US&NR=5128098A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19920707&DB=EPODOC&CC=US&NR=5128098A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>UMEHARA; HAJIME</creatorcontrib><creatorcontrib>YASUDA; TETSUO</creatorcontrib><creatorcontrib>NAKAMURA; SHOZO</creatorcontrib><creatorcontrib>MARU; AKIRA</creatorcontrib><creatorcontrib>MIZUNO; TADASHI</creatorcontrib><creatorcontrib>HAYASHI; TATSUO</creatorcontrib><creatorcontrib>YOSHIMOTO; YUICHIRO</creatorcontrib><creatorcontrib>NAKAJIMA; JUNJIRO</creatorcontrib><creatorcontrib>YANAGI; YOSHIHIKO</creatorcontrib><creatorcontrib>YAMASHITA; JUNICHI</creatorcontrib><title>FUEL ASSEMBLY</title><description>A fuel assembly comprises a plurality of fuel rods, a lower tie plate for supporting lower ends of the fuel rods, and a channel box surrounding a bundle of the fuel rods and the circumference of the lower tie plate to thereby define a cooling water leak passage between the lower tie plate and the channel box. The fuel assembly includes a venturi provided in the lower tie plate for generating a force tending to attract the channel box toward the lower tie plate under the action of a leak stream of the cooling water passing through the cooling water leak passage. The fuel assembly also includes an arrangement provided in the lower tie plate for suppressing vibrations of the channel box caused upon an influence of the venturi.</description><subject>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</subject><subject>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</subject><subject>NUCLEAR ENGINEERING</subject><subject>NUCLEAR PHYSICS</subject><subject>NUCLEAR REACTORS</subject><subject>PHYSICS</subject><subject>REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</subject><subject>TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1992</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZOB1C3X1UXAMDnb1dfKJ5GFgTUvMKU7lhdLcDPJuriHOHrqpBfnxqcUFicmpeakl8aHBpoZGFgaWFo7GhFUAAENJHAw</recordid><startdate>19920707</startdate><enddate>19920707</enddate><creator>UMEHARA; HAJIME</creator><creator>YASUDA; TETSUO</creator><creator>NAKAMURA; SHOZO</creator><creator>MARU; AKIRA</creator><creator>MIZUNO; TADASHI</creator><creator>HAYASHI; TATSUO</creator><creator>YOSHIMOTO; YUICHIRO</creator><creator>NAKAJIMA; JUNJIRO</creator><creator>YANAGI; YOSHIHIKO</creator><creator>YAMASHITA; JUNICHI</creator><scope>EVB</scope></search><sort><creationdate>19920707</creationdate><title>FUEL ASSEMBLY</title><author>UMEHARA; HAJIME ; YASUDA; TETSUO ; NAKAMURA; SHOZO ; MARU; AKIRA ; MIZUNO; TADASHI ; HAYASHI; TATSUO ; YOSHIMOTO; YUICHIRO ; NAKAJIMA; JUNJIRO ; YANAGI; YOSHIHIKO ; YAMASHITA; JUNICHI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US5128098A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1992</creationdate><topic>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</topic><topic>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</topic><topic>NUCLEAR ENGINEERING</topic><topic>NUCLEAR PHYSICS</topic><topic>NUCLEAR REACTORS</topic><topic>PHYSICS</topic><topic>REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</topic><topic>TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE</topic><toplevel>online_resources</toplevel><creatorcontrib>UMEHARA; HAJIME</creatorcontrib><creatorcontrib>YASUDA; TETSUO</creatorcontrib><creatorcontrib>NAKAMURA; SHOZO</creatorcontrib><creatorcontrib>MARU; AKIRA</creatorcontrib><creatorcontrib>MIZUNO; TADASHI</creatorcontrib><creatorcontrib>HAYASHI; TATSUO</creatorcontrib><creatorcontrib>YOSHIMOTO; YUICHIRO</creatorcontrib><creatorcontrib>NAKAJIMA; JUNJIRO</creatorcontrib><creatorcontrib>YANAGI; YOSHIHIKO</creatorcontrib><creatorcontrib>YAMASHITA; JUNICHI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>UMEHARA; HAJIME</au><au>YASUDA; TETSUO</au><au>NAKAMURA; SHOZO</au><au>MARU; AKIRA</au><au>MIZUNO; TADASHI</au><au>HAYASHI; TATSUO</au><au>YOSHIMOTO; YUICHIRO</au><au>NAKAJIMA; JUNJIRO</au><au>YANAGI; YOSHIHIKO</au><au>YAMASHITA; JUNICHI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>FUEL ASSEMBLY</title><date>1992-07-07</date><risdate>1992</risdate><abstract>A fuel assembly comprises a plurality of fuel rods, a lower tie plate for supporting lower ends of the fuel rods, and a channel box surrounding a bundle of the fuel rods and the circumference of the lower tie plate to thereby define a cooling water leak passage between the lower tie plate and the channel box. The fuel assembly includes a venturi provided in the lower tie plate for generating a force tending to attract the channel box toward the lower tie plate under the action of a leak stream of the cooling water passing through the cooling water leak passage. The fuel assembly also includes an arrangement provided in the lower tie plate for suppressing vibrations of the channel box caused upon an influence of the venturi.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS NUCLEAR ENGINEERING NUCLEAR PHYSICS NUCLEAR REACTORS PHYSICS REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE |
| title | FUEL ASSEMBLY |
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