Fission product barrier emergency event classification and response system
US4657727A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Oct 18, 1984 |
| Grant date | Apr 14, 1987 |
| Priority date | — |
| Expiry date | Oct 18, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E30/30
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The present system uses measurement inputs which reveal fission product barrier functional characteristics for emergency event classification in nuclear generating stations. The process determines the functional status of barriers to fission product release under transient or emergency conditions. The first part of the present process specifies which key indicators within a nuclear plant provide data indicative of fission product barrier status, and develops a logic table or diagram relating specific key symptoms to barrier status such that a computer identifies the functional status of each fission product barrier. In the second part of the present process nuclear power plant operators utilize the computer to determine emergency event classification. The computer utilizes the present process, using the installed nuclear generating station instrumentation which indicates flow rates in fluid and air handling systems, pressures in pipes and vessels, temperatures in pipes and vessels, radiation levels and other indications of equipment status to determine whether the fission product barriers are functional at a given point in time according to the criteria established during the first…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.