Patent · US Expired

Lower connector for a fuel assembly of a nuclear reactor, comprising an adaptor plate and a filtration plate

US5160697A · kind A · utility

19Cited by
5References
9Claims
0Family size

Assignees

Inventors

Key dates

Filing dateJul 11, 1991
Grant dateNov 3, 1992
Priority date
Expiry dateJul 11, 2011

Classification

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

Abstract

The lower connector comprises an adaptor plate of square shape, traversed by water passage orifices, and a filtration plate pierced with holes of small dimensions and abutting against the adaptor plate. The water passage orifices of the adaptor plate are arranged completely symmetrically in relation to the medians and to the diagonals of the adaptor plate. The set of orifices in each of the zones of the adaptor plate limited by a diagonal and a median comprises orifices have an oblong cross-section and, if appropriate, water passage orifices of a different shape. The filtration plate comprises sets of holes of small dimensions arranged in the zones of the plate which come into alignment with the oblong orifices of the adaptor plate.

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