Patent US3207668A successfully refreshed from Google Patents.
US3207668A
Expired / Lapsed
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System for fuel elements failure detection in nuclear reactor
Assignee: Combustion Engineering Inc
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Filing: 1960-05-02
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Granted: 1965-09-21
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Expires: 1980-05-02
Abstract
No abstract record available.
Inventors
- 👤 John M West
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:27
CPC Classifications
G; G21; G21C; G21C17/00; G21C17/02; G21C17/04; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
IN A NUCLEAR REACTOR HAVING A CORE COMPRISED OF SEPARATE, ELONGATED FUEL ELEMENTS THE METHOD OF DETERMINING, WHILE OPERATING THE REACTOR, THE LOCATION, WITHIN A PARTICULAR AREA, OF A RUPTURED FUEL ELEMENT COMPRISING SEQUENTIALLY INCREASING THE POWER OUTPUT OF A LARGE NUMBER OF LIMITED AREAS OF THE CORE WHICH AREAS COLLECTIVELY COVER SUBSTANTIALLY THE ENTIRE CORE AREA, MEASURING THE LEVEL OF RADIOACTIVITY OF THE REACTOR EFFLUENT AND DETERMINING THE RELATIVE CHANGES IN THE LEVEL OF RADIOACTIVITY INCIDENT TO SAID SEQUENTIAL INCREASE IN POWER OUTPUT WITH THE AREA WITHIN WHICH THE GREATEST CHANGE OCCURS BEING THE AREA CONTAINING THE RUPTURED FUEL ELEMENT.
Claim 2
Dependent Claim
101 words
IN A NUCLEAR REACTOR HAVING A CORE COMPRISED OF SEPARATE, ELONGATED FUEL ELEMENTS THE METHOD OF DETERMINING, WHILE OPERATING THE REACTOR, THE LOCATION, WITHIN A PARTICULAR AREA, OF A RUPTURED FUEL ELEMENT COMPRISING SEQUENTIALLY INCREASING THE POWER OUTPUT OF A LARGE NUMBER OF LIMITED AREAS OF THE CORE WHICH AREAS COLLECTIVELY COVER SUBSTANTIALLY THE ENTIRE CORE AREA, MEASURING THE LEVEL OF RADIOACTIVITY OF THE REACTOR EFFLUENT AND DETERMINING THE RELATIVE CHANGES IN THE LEVEL OF RADIOACTIVITY INCIDENT TO SAID SEQUENTIAL INCREASE IN POWER OUTPUT WITH THE AREA WITHIN WHICH THE GREATEST CHANGE OCCURS BEING THE AREA CONTAINING THE RUPTURED FUEL ELEMENT.
References Cited (Backward Citations)
US2708656A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |