Patent · US Expired

Fuel assembly with a grid structure between the rods

US5402457A · kind A · utility

7Cited by

3References

18Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Peter Suchy · Erlangen, DE
Gunter Bruch · Hirschaid, DE
Alexander Steinke
Franz-Josef Bokers · Fürth, DE

Key dates

Filing date	Dec 3, 1993
Grant date	Mar 28, 1995
Priority date	—
Expiry date	Dec 3, 2013

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E30/30
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

In a fuel assembly, rods are disposed in meshes of a grid. Crossing points of the grid are distributed in a checker-board-like manner, partly in an upstream crossing plane and partly in a downstream crossing plane. Webs of the grid run in zigzag form between the two planes. As a result, flow resistance which is produced by the webs and/or by mixing vanes disposed thereon and by flow turbulences is shifted into different axial planes and is considerably reduced.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.