US2020373030A1PendingUtilityA1

Nuclear fuel assembly top nozzle having in-core instrument insertion structure using upper core plate guide pin

Assignee: KEPCO NUCLEAR FUEL CO LTDPriority: Dec 11, 2014Filed: May 11, 2020Published: Nov 26, 2020

Est. expiryDec 11, 2034(~8.4 yrs left)· nominal 20-yr term from priority

Inventors:Seong-Soo Kim Jae Ik Kim Sang Youn Jeon Kyong Bo Eom Dong Geun Ha Jin Sun Kim Joo Young Ryu O Cheol Kwon Su Pil Ryu Hak In Lee Joo Hong Chun Ba Leum Kim

G21C 17/10G21C 17/108G21C 3/3315Y02E30/30G21C 3/3262G21C 13/036G21C 3/326G21C 17/102

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Claims

Abstract

The present invention relates to a top nozzle and a nuclear reactor in which an in-core instrument, which is supposed to be inserted through a top head of a nuclear reactor, is inserted through a guide pin for an upper core plate. In a nuclear reactor including guide pins for aligning a top nozzle for a nuclear fuel assembly with an upper core plate of a nuclear reactor, a guide hole (210) is axially formed through the guide pins (200) and in-core instruments (10) are inserted through the guide holes (210).

Claims

exact text as granted — not AI-modified

What is claimed is: 
     
         1 . A guide pin for aligning a top nozzle for a nuclear assembly with an upper core plate of a nuclear reactor, wherein a guide hole in which an in-core instrument is inserted is axially formed through the guide pin.

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