The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 04, 2010
Filed:
Jul. 13, 2007
Dong Seok OH, Daejeon-si, KR;
Chun Tae Hyun, Daejeon-si, KR;
IN Wang Kee, Daejeon-si, KR;
Shin Chang Hwan, Gyeonggi-do, KR;
Kim Hyung Kyu, Daejeon-si, KR;
Lee Young Ho, Daejeon-si, KR;
Yang Yong Sik, Daejeon-si, KR;
Bang Je Geon, Daejeon-si, KR;
Song Kee Nam, Daejeon-si, KR;
Song Kun Woo, Daejeon-si, KR;
Dong Seok Oh, Daejeon-si, KR;
Chun Tae hyun, Daejeon-si, KR;
In Wang kee, Daejeon-si, KR;
Shin Chang hwan, Gyeonggi-do, KR;
Kim Hyung Kyu, Daejeon-si, KR;
Lee Young ho, Daejeon-si, KR;
Yang Yong sik, Daejeon-si, KR;
Bang Je geon, Daejeon-si, KR;
Song Kee Nam, Daejeon-si, KR;
Song Kun woo, Daejeon-si, KR;
Korea Atomic Energy Research Institute, Daejeon, KR;
Korea Hydro & Nuclear Power Co., Ltd., Seoul, KR;
Abstract
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.