Control cluster provided with removable control elements for a nuclear fuel reactor
US4928291A · kind A · utility
8Cited by
12References
8Claims
0Family size
Inventors
Key dates
| Filing date | Jun 10, 1987 |
| Grant date | May 22, 1990 |
| Priority date | — |
| Expiry date | Jun 10, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/7061
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Control cluster and method for the replacement of a control element in the control cluster comprising a plurality of arms and a plurality of control elements each comprising a shank for respectively passing through an arm. Each shank is provided with a threaded portion situated entirely at a distance above the arm. A fastening piece is screwed on the threaded portion to lock the control element into abutment against the arm. During replacement, the shank and the fastening piece are cut between the arm and the threaded portion and thus the rod to be removed is released.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.