Upper end piece for nuclear fuel assemblies
US4762661A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 9, 1985 |
| Grant date | Aug 9, 1988 |
| Priority date | — |
| Expiry date | Apr 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.