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:
Nov. 13, 2018
Filed:
Dec. 03, 2012
Applicants:
Xiaoyan (Jane) Jiang, Columbia, SC (US);
Yiban Xu, Pittsburgh, PA (US);
Zeses E. Karoutas, Lexington, SC (US);
Inventors:
Xiaoyan (Jane) Jiang, Columbia, SC (US);
Yiban Xu, Pittsburgh, PA (US);
Zeses E. Karoutas, Lexington, SC (US);
Assignee:
Westinghouse Electric Company LLC, Cranberry Township, PA (US);
Primary Examiner:
Int. Cl.
CPC ...
G21C 3/356 (2006.01); G21C 3/344 (2006.01); G21C 3/352 (2006.01);
U.S. Cl.
CPC ...
G21C 3/356 (2013.01); G21C 3/344 (2013.01); G21C 3/352 (2013.01); G21Y 2002/201 (2013.01); G21Y 2002/302 (2013.01); G21Y 2002/303 (2013.01); G21Y 2004/30 (2013.01); Y02E 30/40 (2013.01);
Abstract
A support grid for a nuclear fuel assembly, the nuclear fuel assembly including a generally cylindrical fuel rod with a diameter, wherein the support grid includes a frame assembly having a plurality of generally circular cells and a plurality of helical frame members. The helical frame members are disposed in the cells and are structured to contact the cell as well as a fuel rod. The helical fuel rod contact portion may have a variable pitch.