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:
Feb. 04, 2014
Filed:
Dec. 18, 2007
Berenger D'uston DE Villereglan, Lynchburg, VA (US);
Claude Bois, Villeurbanne, FR;
Bruno Bonnamour, Villeurbanne, FR;
Michel Bonnamour, Lyons, FR;
Berenger D'Uston De Villereglan, Lynchburg, VA (US);
Claude Bois, Villeurbanne, FR;
Bruno Bonnamour, Villeurbanne, FR;
Michel Bonnamour, Lyons, FR;
Areva NP, Courbevoie, FR;
Abstract
A spacer grid for a nuclear fuel assembly for a light water reactor delimits a substantially regular array of cells housing nuclear fuel rods. The spacer grid further including supporting members which project into the cells from the peripheral belt of walls. The inner surface of at least one supporting member has before irradiation a concave shape in a plane transverse to the longitudinal direction. The inner surface of the contact part of the supporting member also has a convex shape in a longitudinal plane orientated radially with respect to the central axis of the corresponding cell before irradiation.