Wedge positioning apparatus for jet pump assemblies in nuclear reactors
US8605852B2 · kind B2 · utility
1Cited by
7References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 1, 2010 |
| Grant date | Dec 10, 2013 |
| Priority date | — |
| Expiry date | Apr 22, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E30/30
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An auxiliary wedge positioning apparatus/assembly 100 for use in a nuclear reactor pressure vessel 12 having riser piping 44 and 144 and a jet pump assembly 46 and 120, the apparatus 100 having a combination slide wedge 105 and spring 103 mounted on a restraint bracket body 102 having a transverse rail 110 with end gull-wing hooked protrusions 111 with sections 150, 152, 156 and wing stability attachment 155, the slide wedge used for placement between the riser piping 44 and 144 and jet pump assembly 46 and 120 to control vibrations during operation of the reactor vessel 12.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.