Spacer grid insert
US4678630A · kind A · utility
4Cited by
13References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 15, 1985 |
| Grant date | Jul 7, 1987 |
| Priority date | — |
| Expiry date | Nov 15, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E30/30
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
In nuclear reactor fuel assembly of the floating grid type, a spacer grid insert positioned concentrically about the central instrument guide tube prevents damage to instrument guide tube saddles caused by axial load, while permitting limited movement of the spacer grids.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.