Device for checking the guide elements of a guide tube for the upper internals of a pressurized water nuclear reactor
US5404381A · kind A · utility
2Cited by
9References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 11, 1993 |
| Grant date | Apr 4, 1995 |
| Priority date | — |
| Expiry date | Aug 11, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E30/30
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The checking device comprises a mast (10) extending vertically in its service position and centered in the central free space of the guide tube, a flat blade-shaped element (36) pivoting on the lower part of the mast (10), a sensor (42) rotating about a pin on an outer end (36a) of the blade-shaped element, and a device (39) for rotating and powering the sensor (42) and for gathering the measurement signals emitted by it (42).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.