Patent · US Expired

Debris-resistant fuel assembly

US4849161A · kind A · utility

31Cited by
5References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 24, 1987
Grant dateJul 18, 1989
Priority date
Expiry dateNov 24, 2007

Classification

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

Abstract

A fuel assembly for nuclear reactors which comprises the usual upper and lower tie plates and fuel rods extending between them is made debris-resistant by providing a grid spacer in contact, or very nearly so, with the lower tie plate and so positioned as to subdivide the usual openings in the lower tie plate which are provided for the passage of cooling water. This causes debris to be trapped in the openings of the lower tie plate, and keeps it from contacting the fueled portion of the assembly.

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