Patent US94854A successfully refreshed from Google Patents.
Patent US2987455A successfully refreshed from Google Patents.
US2987455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for reactor safety control
Assignee: Individual
•
Filing: 1956-08-07
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Granted: 1961-06-06
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Expires: 1976-08-07
Abstract
No abstract record available.
Inventors
- 👤 Norman E Huston
- 👤 Rodney G Hoff
- 👤 Clifford W Wheelock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:42
CPC Classifications
G; G21; G21C; G21C9/00; G21C9/02; G21C9/033; G21C7/00; G21C7/06; G21C9/022; G21C9/024; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
IN A METHOD FOR CONTROLLING A NUCLEAR REACTOR IN THE EVENT OF AN EXCESS REACTIVITY EXCURSION, THE STEPS COMPRISING DISPOSING A COMPACT QUANTITY OF A NEUTRON ABSORBER IN A LOW NEUTRON ABSORPTION CONFIGURATION IN THE NEUTRON FLUX OF THE CORE REGION OF SAID REACTOR, PROVIDING MEANS FOR DISPERSING SAID ABSORBER INTO AN EXPANDED CONFIGURATION OF HIGH NEUTRON ABSORPTION CHARACTERISTIC SAID MEANS BEING IN PROXIMITY CLOSE TO SAID ABSORBER, RESTRAINING SAID DISPERSING MEANS BY MEANS OF A FUSIBLE TRIGGER LINK, AND MELTING SAID LINK BY HEAT PROVIDED IN A FISSIONABLE MATERIAL HEATING ELEMENT BY THE RISE OF THE NEUTRON FLUX ABOVE A PREDETERMINED SAFE LEVEL AND COOLING SAID HEATING ELEMENT BY COUPLING ACROSS A HEAT TRANSFER RESISTANCE WHICH IN TURN TRANSFERS THE HEAT TO THE REACTOR COOLANT TO ACTUATE SAID DISPERSING MEANS THEREBY DISPOSING THE NEUTRON ABSORBER INTO AN EXPANDED CONFIGURATION OF HIGH NEUTRON ABSORPTION CHARACTERISTIC.
Claim 2
Dependent Claim
145 words
IN A METHOD FOR CONTROLLING A NUCLEAR REACTOR IN THE EVENT OF AN EXCESS REACTIVITY EXCURSION, THE STEPS COMPRISING DISPOSING A COMPACT QUANTITY OF A NEUTRON ABSORBER IN A LOW NEUTRON ABSORPTION CONFIGURATION IN THE NEUTRON FLUX OF THE CORE REGION OF SAID REACTOR, PROVIDING MEANS FOR DISPERSING SAID ABSORBER INTO AN EXPANDED CONFIGURATION OF HIGH NEUTRON ABSORPTION CHARACTERISTIC SAID MEANS BEING IN PROXIMITY CLOSE TO SAID ABSORBER, RESTRAINING SAID DISPERSING MEANS BY MEANS OF A FUSIBLE TRIGGER LINK, AND MELTING SAID LINK BY HEAT PROVIDED IN A FISSIONABLE MATERIAL HEATING ELEMENT BY THE RISE OF THE NEUTRON FLUX ABOVE A PREDETERMINED SAFE LEVEL AND COOLING SAID HEATING ELEMENT BY COUPLING ACROSS A HEAT TRANSFER RESISTANCE WHICH IN TURN TRANSFERS THE HEAT TO THE REACTOR COOLANT TO ACTUATE SAID DISPERSING MEANS THEREBY DISPOSING THE NEUTRON ABSORBER INTO AN EXPANDED CONFIGURATION OF HIGH NEUTRON ABSORPTION CHARACTERISTIC.
References Cited (Backward Citations)
US2735811A
Cited
US2579994A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-05 | 1964-12-05 | 1965-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-05 | 1968-12-05 | 1969-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-05 | 1972-12-05 | 1973-06-06 | $7700.00 | Window Closed / Lapsed |