Live steam shut-off device for pressurized water reactors
US4280871A · kind A · utility
5Cited by
12References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 20, 1977 |
| Grant date | Jul 28, 1981 |
| Priority date | — |
| Expiry date | Dec 20, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E30/30
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Shut-off device for a double-wall steam line extending out of a safety vessel of a pressurized water reactor includes a shut-off valve having a casing, the casing being directly connected to an end of a lead-through for the double-wall steam line, the casing being formed with steam inlet and outlet openings and with a further opening, and at least one of a safety and an exhaust gate valve having a casing, the last-mentioned casing being directly connected to the further opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.