JP2507537B

JP2507537B

PURPOSE:To prevent rubbing of two water rods to each other by fluid oscillation during operation by providing projecting members to the water rods in such a manner that said members hold the projecting members mounted to fuel spacers or the bridging members mounted between cylindrical members. CONST...

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Hauptverfasser: HIRAKAWA HIROMASA, KONNO MUTSUO, YANAGI YOSHIHIKO, SAKURABA TOSHIHIRO
Format: Patent
Sprache:eng
Schlagworte:
NUCLEAR ENGINEERING
NUCLEAR PHYSICS
NUCLEAR REACTORS
PHYSICS
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creator HIRAKAWA HIROMASA
KONNO MUTSUO
YANAGI YOSHIHIKO
SAKURABA TOSHIHIRO
description PURPOSE:To prevent rubbing of two water rods to each other by fluid oscillation during operation by providing projecting members to the water rods in such a manner that said members hold the projecting members mounted to fuel spacers or the bridging members mounted between cylindrical members. CONSTITUTION:The plural projecting members 20 are previously provided to the positions installed with the fuel spacers 9 of the water rods 6 and the water rods 6 are inserted to the fuel spacers 9 from the end part at the time of assembling the fuel assembly. The plural projecting members 20 provided to the water rods 6 sandwich the fuel spacers 9 in the gaps formed of the projecting members 21 and cylindrical members 12 of the fuel spacers 9 and the bridging members 17 and thereafter, the water rods 6 are rotated to detain the projecting members 20 to the projecting members 21 of the fuel spacers 9 or the bridging members 17 between the cylindrical members. The danger of the contact of the fuel rods 5 and the water rods 6 and the contact of the water rods with each other is thereby eliminated and the mounting and dismounting of the water rods 6 are facilitated.
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CONSTITUTION:The plural projecting members 20 are previously provided to the positions installed with the fuel spacers 9 of the water rods 6 and the water rods 6 are inserted to the fuel spacers 9 from the end part at the time of assembling the fuel assembly. The plural projecting members 20 provided to the water rods 6 sandwich the fuel spacers 9 in the gaps formed of the projecting members 21 and cylindrical members 12 of the fuel spacers 9 and the bridging members 17 and thereafter, the water rods 6 are rotated to detain the projecting members 20 to the projecting members 21 of the fuel spacers 9 or the bridging members 17 between the cylindrical members. 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CONSTITUTION:The plural projecting members 20 are previously provided to the positions installed with the fuel spacers 9 of the water rods 6 and the water rods 6 are inserted to the fuel spacers 9 from the end part at the time of assembling the fuel assembly. The plural projecting members 20 provided to the water rods 6 sandwich the fuel spacers 9 in the gaps formed of the projecting members 21 and cylindrical members 12 of the fuel spacers 9 and the bridging members 17 and thereafter, the water rods 6 are rotated to detain the projecting members 20 to the projecting members 21 of the fuel spacers 9 or the bridging members 17 between the cylindrical members. The danger of the contact of the fuel rods 5 and the water rods 6 and the contact of the water rods with each other is thereby eliminated and the mounting and dismounting of the water rods 6 are facilitated.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record>
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subjects NUCLEAR ENGINEERING
NUCLEAR PHYSICS
NUCLEAR REACTORS
PHYSICS
title JP2507537B
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