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:
Mar. 11, 2014
Filed:
Oct. 11, 2010
Applicants:
Joonhyung Choi, Columbia, SC (US);
Yu Chung Lee, Columbia, SC (US);
Inventors:
Joonhyung Choi, Columbia, SC (US);
Yu Chung Lee, Columbia, SC (US);
Assignee:
Westinghouse Electric Company LLC, Cranberry Township, PA (US);
Primary Examiner:
Int. Cl.
CPC ...
G21C 19/28 (2006.01);
U.S. Cl.
CPC ...
Abstract
A nuclear fuel assembly having a plurality of multi-leaf hold down spring sets extending from a top nozzle. Each spring set consists of a multiple number of springs leafs in order to provide a large working range of spring deflection. Each spring leaf has a straight, flat base section followed by a straight, flat tapered beam with a secondary spring set having a curvature at its peripheral end.