TOP NOZZLE ASSEMBLY TO REDUCE THE FUEL ASSEMBLY BOW

• Main Authors: KIM, KYOUNG JOO, PARK, JOON KYOO, PARK, NAM GYU, JEON, KYEONG LAK, SUH, JUNG MIN, KIM, JIN SUN, KIM, SEONG SOO, JEON, SANG YOUN, RYU, JOO YOUNG, KIM, KYOUNG HONG, HA, DONG GEUN, EOM, KYONG BO
• Format: Patent
• Language: English; Korean
• Published: 09.07.2013
• 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

PURPOSE: An upper end fixing unit for reduction of flexure of a nuclear fuel assembly is provided to increase structural stability by distributing a load concentrated on two locations. CONSTITUTION: A push spring unit (200) is formed in a plate shape, its one side is fixed by a fixing member and the other end is inserted in a slot (122a) formed on the top surface of a fixing body (100) and fixed. A push spring unit (100) is formed in the opposite direction by two fixing members in which the two push spring units face with each other.