US3079320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arrangement of control bars in an atomic pile
Assignee: Commissariat à l'Énergie Atomique et Aux Énergies Alternatives
•
Filing: 1959-01-16
•
Granted: 1963-02-26
•
Expires: 1979-01-16
Abstract
No abstract record available.
Inventors
- 👤 Weill Jacky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:09
CPC Classifications
G; G21; G21C; G21C7/00; G21C7/06; G21C7/08; G21C7/18; G21C7/30; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
IN A NUCLEAR REACTOR, APPARATUS FOR THE CONTROL OF REACTIVITY ENTIRELY WITHIN THE ACTIVE ZONE OF THE REACTOR COMPRISING AT LEAST ONE FIRST ELEMENT CAPABLE OF MODIFY ING THE REACTIVITY OF THE REACTOR AS A FUNCTION OF THE NEUTRON FLUX TO WHICH IT IS SUBJECTED AND AT LEAST ONE SECOND ELEMENT OF NUCLEAR FUEL MATERIAL SUBSTANTIALLY TOTALLY SHIELDING SAID FIRST ELEMENT FROM NEUTTRONS IN ONE POSITION AND MEANS FOR DISPLACING SAID ELEMENTS WITH RESPECT TO EACH OTHER TO VARY THE SHIELDING OF SAID FIRST ELEMENT SAID FIRST ELEMENT COMPRISING A STATIONARY CYLINDER OF NEUTRON ABSORBING MATERIAL, SAID SECOND ELEMENT COMPRISING A PAIR OF OPPOSED FIXED CYLINDRICAL PORTIONS OF NUCLEAR FUEL SPACED FROM SAID CYLINDER AND FROM EACH OTHER AND A SECOND PAIR OF CYLINDRICAL PORTIONS OF NUCLEAR FUEL SPACED FROM SAID CYLINDER AND FROM EACH OTHER AND FROM SAID FIRST PAIR OF CYLINDRICAL PORTIONS AND ROTATABLE ABOUT SAID FIRST PAIR OF CYLINDRICAL PORTION SAID CYLINDER AND SAID CYLINDER PORTIONS BEING COAXIAL.
Claim 2
Dependent Claim
161 words
IN A NUCLEAR REACTOR, APPARATUS FOR THE CONTROL OF REACTIVITY ENTIRELY WITHIN THE ACTIVE ZONE OF THE REACTOR COMPRISING AT LEAST ONE FIRST ELEMENT CAPABLE OF MODIFY ING THE REACTIVITY OF THE REACTOR AS A FUNCTION OF THE NEUTRON FLUX TO WHICH IT IS SUBJECTED AND AT LEAST ONE SECOND ELEMENT OF NUCLEAR FUEL MATERIAL SUBSTANTIALLY TOTALLY SHIELDING SAID FIRST ELEMENT FROM NEUTTRONS IN ONE POSITION AND MEANS FOR DISPLACING SAID ELEMENTS WITH RESPECT TO EACH OTHER TO VARY THE SHIELDING OF SAID FIRST ELEMENT SAID FIRST ELEMENT COMPRISING A STATIONARY CYLINDER OF NEUTRON ABSORBING MATERIAL, SAID SECOND ELEMENT COMPRISING A PAIR OF OPPOSED FIXED CYLINDRICAL PORTIONS OF NUCLEAR FUEL SPACED FROM SAID CYLINDER AND FROM EACH OTHER AND A SECOND PAIR OF CYLINDRICAL PORTIONS OF NUCLEAR FUEL SPACED FROM SAID CYLINDER AND FROM EACH OTHER AND FROM SAID FIRST PAIR OF CYLINDRICAL PORTIONS AND ROTATABLE ABOUT SAID FIRST PAIR OF CYLINDRICAL PORTION SAID CYLINDER AND SAID CYLINDER PORTIONS BEING COAXIAL.
References Cited (Backward Citations)
US2904487A
Cited
US2852458A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |