US3080309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilizing system for nuclear reactors, particularly those operating with boiling water
Assignee: INDATOM Ste
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Filing: 1959-12-01
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Granted: 1963-03-05
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Expires: 1979-12-01
Abstract
No abstract record available.
Inventors
- 👤 Samuel Claude
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:50
CPC Classifications
G; G21; G21C; G21C7/00; G21C7/06; G21C7/08; G21C7/12; G21C1/00; G21C1/04; G21C1/06; G21C1/08; G21C7/36; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A STABILIZING SYSTEM FOR A NUCLEAR REACTOR COMPRISING NEUTRON FLUX DETECTOR MEANS FOR PRODUCING AN ELECTRICAL SIGNAL PROPORTIONAL TO THE CHANGE IN THE POWER LEVEL OF THE NUCLEAR REACTOR, CORRECTING CIRCUIT MEANS RESPONSIVE TO SAID ELECTRICAL SIGNAL AND HAVING AN INCREASING GAIN VERSUS FREQUENCY CHARACTERISTIC FOR PRODUCING AN ELECTRICAL CONTROL SIGNAL, A NEUTRON ABSORBING MEMBER HAVING AN ABSORBING EFFICIENCY WHICH VARIES WITH ITS POSITION WITHIN SAID REACTOR, MEANS FOR GENERATING AN ELECTRICAL SIGNAL MEASURING THE POSITION OF SAID ABSORBING MEMBER WITH RESPECT TO A PREDETERMINED REFERENCE POSITION, AMPLIFIER MEANS RESPONSIVE TO SAID CONTROL SIGNAL AND TO SAID MEASURING SIGNAL, AND AUXILIARY CONTROL MEANS RESPONSIVE TO THE OUTPUT SIGNAL OF SAID AMPLIFIER MEANS FOR CONTROLLING THE POSITION OF SAID ABSORBING MEMBER BY MAKING THE DISPLACEMENT OF ITS POSITION FROM SAID REFERENCE POSITION PROPORTIONAL TO SAID OUTPUT SIGNAL.
Claim 2
Dependent Claim
136 words
A STABILIZING SYSTEM FOR A NUCLEAR REACTOR COMPRISING NEUTRON FLUX DETECTOR MEANS FOR PRODUCING AN ELECTRICAL SIGNAL PROPORTIONAL TO THE CHANGE IN THE POWER LEVEL OF THE NUCLEAR REACTOR, CORRECTING CIRCUIT MEANS RESPONSIVE TO SAID ELECTRICAL SIGNAL AND HAVING AN INCREASING GAIN VERSUS FREQUENCY CHARACTERISTIC FOR PRODUCING AN ELECTRICAL CONTROL SIGNAL, A NEUTRON ABSORBING MEMBER HAVING AN ABSORBING EFFICIENCY WHICH VARIES WITH ITS POSITION WITHIN SAID REACTOR, MEANS FOR GENERATING AN ELECTRICAL SIGNAL MEASURING THE POSITION OF SAID ABSORBING MEMBER WITH RESPECT TO A PREDETERMINED REFERENCE POSITION, AMPLIFIER MEANS RESPONSIVE TO SAID CONTROL SIGNAL AND TO SAID MEASURING SIGNAL, AND AUXILIARY CONTROL MEANS RESPONSIVE TO THE OUTPUT SIGNAL OF SAID AMPLIFIER MEANS FOR CONTROLLING THE POSITION OF SAID ABSORBING MEMBER BY MAKING THE DISPLACEMENT OF ITS POSITION FROM SAID REFERENCE POSITION PROPORTIONAL TO SAID OUTPUT SIGNAL.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |