Korea Atomic Energy Research Institute

Korea Hydro Nuclear Power Co., Ltd.

Song Kun Woo

Dong Seok Oh

In Wang Kee

Song Kee Nam

Lee Young Ho

Kim Hyung Kyu

Yang Yong Sik

Chun Tae Hyun

Shin Chang Hwan

Bang Je Geon

A lower and upper end plugs of an annular fuel rod, into and out of which cooling water flows, comprises: a lower end plug including a filter for debris which has a plurality of pins intersecting each other at the proper position of an inner channel main inlet, through-holes into which the pins of the debris filter are fitted, and at least one inner channel auxiliary inlet through which the cooling water flows into a lower inner channel thereof when the inner channel main inlet is blocked by debris, and which has a through-hole shape; and an upper end plug including at least one upper handling groove and hole, into which a fuel rod handling tool is coupled, at a proper position of an inner circumference of the inner channel main outlet in a circumferential direction.

Lower and upper end plugs of an annular fuel rod

Growing community of inventors

Daejeon-si, South Korea

Song Kun Woo