Fuel assembly with square cross section for water-cooled nuclear reactors
US4632805A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 14, 1984 |
| Grant date | Dec 30, 1986 |
| Priority date | — |
| Expiry date | Mar 14, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E30/30
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A fuel assembly with a square cross section for water-cooled nuclear reactors, the fuel assembly having fuel rods disposed in a square array prescribed by spacers defining square grid meshes includes rods without fuel disposed, instead of the respective fuel rods, at individual positions of the square array distant from the marginal edge of the fuel-assembly cross section, for varying moderation ratio of the fuel assembly, the rods without fuel having a square cross section smaller than the cross section of the respective grid meshes only by a clearance sufficient for assembling the rods without fuel in the respective grid meshes and disassembling the rods without fuel from the respective grid meshes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.