Patent · US Expired

Upper end piece for nuclear fuel assemblies

US4762661A · kind A · utility

6Cited by
6References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 9, 1985
Grant dateAug 9, 1988
Priority date
Expiry dateApr 9, 2005

Classification

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

Abstract

A nuclear fuel assembly for a spectral shift reactor has an upper end piece and a lower end piece secured to a structural element belonging to the upper end piece by guide tubes arranged for receiving a cluster of control elements. The upper end piece further comprises a support member arranged for receiving said cluster at the end of the fall thereof, means for guiding said support member. The support member is guided for movement parallel to the axis of the guide tubes. Springs are contained within the end piece and disposed between the structural member and the plate for braking the cluster at the end of the fall thereof.

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