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.

Date of Patent:
Feb. 28, 2023

Filed:

Jun. 12, 2020
Applicant:

Westinghouse Electric Company Llc, Cranberry Township, PA (US);

Inventors:

Jeffrey M. McCarty, Cayce, SC (US);

Nathan J. Payne, West Columbia, SC (US);

Kirkland D. Broach, Lexington, SC (US);

Assignee:

Westinghouse Electric Company LLC, Cranberry Township, PA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G21C 3/33 (2006.01); G21C 3/32 (2006.01); G21C 3/10 (2006.01);
U.S. Cl.
CPC ...
G21C 3/3305 (2013.01); G21C 3/10 (2013.01); G21C 3/3206 (2013.01); Y02E 30/30 (2013.01);
Abstract

An improved retention system for retaining fuel rods in a fuel assembly is disclosed. The retention system includes a plurality of first engagement surfaces on the bottom nozzle of a fuel assembly. There is at least one engagement surface for each fuel rod. A second engagement surface is formed on the bottom end plug of each fuel rod. The first and second engagement surfaces are configured for engagement with each other for axially and laterally retaining each fuel rod within the fuel assembly. Debris deflectors may also be provided to deflect debris from coolant channels surrounding the fuel rods.


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