Nuclear Fuel Assembly Top Nozzle Comprising A Hold Down Device

Abstract: The top nozzle comprises an intermediate plate (26) axially positioned between an upper plate (24) and a lower plate (22) with being axially movable between an upper position and a lower position, one or several main spring member(s) (28) arranged such as to permanently push the intermediate plate (26) towards the upper plate (24), one or several spring member(s) (30) arranged to push to intermediate plate (26) towards the upper plate (24) when the intermediate plate (26) is located between the lower position and an intermediate position associated to this auxiliary spring member (30), and a preload element (32) associated to each auxiliary spring member (30) with being arranged such that the auxiliary spring member (30) abuts against the upper plate (24) via the preload element (32) when the intermediate plate (26) is located between the intermediate position associated to said auxiliary spring member (30) and the upper position.

Patent Information

Application #

Filing Date

10 October 2023

Publication Number

37/2024

Publication Type

INA

Invention Field

MECHANICAL ENGINEERING

Status

Email

Parent Application

Applicants

FRAMATOME

1 place Jean Millier Tour Areva 92400 COURBEVOIE

Inventors

1. LABARRIERE, Eric

51 Lieu-dit Le Mas Pressieu 01800 SAINT- ELOI

2. STREIT, Dominik

Drausnickstrasse 58 91052 ERLANGEN

3. ECKSTEIN, Daniel

An der Feldbahn 12 96472 RÖDENTAL

Specification

Documents

Application Documents

#	Name	Date
1	202317068003-STATEMENT OF UNDERTAKING (FORM 3) [10-10-2023(online)].pdf	2023-10-10
2	202317068003-POWER OF AUTHORITY [10-10-2023(online)].pdf	2023-10-10
3	202317068003-NOTIFICATION OF INT. APPLN. NO. & FILING DATE (PCT-RO-105-PCT Pamphlet) [10-10-2023(online)].pdf	2023-10-10
4	202317068003-FORM 1 [10-10-2023(online)].pdf	2023-10-10
5	202317068003-DRAWINGS [10-10-2023(online)].pdf	2023-10-10
6	202317068003-DECLARATION OF INVENTORSHIP (FORM 5) [10-10-2023(online)].pdf	2023-10-10
7	202317068003-COMPLETE SPECIFICATION [10-10-2023(online)].pdf	2023-10-10
8	202317068003-Proof of Right [17-10-2023(online)].pdf	2023-10-17
9	202317068003-FORM 3 [30-11-2023(online)].pdf	2023-11-30
10	202317068003-FORM 18 [06-03-2025(online)].pdf	2025-03-06