发明申请
US20210050120A1 NUCLEAR FUEL PELLET HAVING EXCELLENT COMPRESSION RESISTANCE AND REDUCED SURFACE DEFECT
有权
基本信息:
- 专利标题： NUCLEAR FUEL PELLET HAVING EXCELLENT COMPRESSION RESISTANCE AND REDUCED SURFACE DEFECT
- 申请号：US16963281 申请日：2018-07-30
- 公开(公告)号：US20210050120A1 公开(公告)日：2021-02-18
- 发明人： Min Young Choi , Yeon-soo Na , Kwang-young Lim , Tae Sik Jung , Seung-jae Lee , Yong Kyoon Mok , Jong Sung Yoo
- 申请人： KEPCO NUCLEAR FUEL CO., LTD.
- 申请人地址： KR Daejeon
- 专利权人： KEPCO NUCLEAR FUEL CO., LTD.
- 当前专利权人： KEPCO NUCLEAR FUEL CO., LTD.
- 当前专利权人地址： KR Daejeon
- 优先权： KR10-2018-0008764 20180124
- 国际申请： PCT/KR2018/008637 WO 20180730
- 主分类号： G21C3/04
- IPC分类号： G21C3/04 ; G21C3/06
摘要：
Provided is a nuclear fuel pellet having excellent compression resistance and a reduced missing pellet surface, the pellet being a cylindrical shape and including, on each of a top surface and a bottom surface thereof: a dish configured as a spherical groove shape having a predetermined curved surface at a center; a land configured as a horizontal annular shape along a rim of the dish; and a chamfer configured as a shape in which a corner is chamfered at a predetermined angle along a rim of the land, wherein the chamfer includes: a primary chamfer adjacent to the rim of the land; and a secondary chamfer configured as a shape additionally chamfered along a rim of the primary chamfer.