US3255087A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nuclear reactor control system
Assignee: Anglo Belge Vulcain SA Soc
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Filing: 1962-02-21
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Granted: 1966-06-07
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Expires: 1982-02-21
Abstract
No abstract record available.
Inventors
- 👤 Maldague Pierre Edmond J Marie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:41
CPC Classifications
G; G21; G21C; G21C1/00; G21C1/04; G21C1/06; G21C1/08; G21C1/10; G21C7/00; G21C7/26; G21C7/32; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
IN A NUCLEAR REACTOR CONTAINING A MODERATOR WHICH IS AT LEAST PATIALLY LIQUID, THE TEMPERATURE AND THE COMPOSITION OF WHICH ARE EACH ADAPTED TO BE VARIED SUBSTANTIALLY WHEN THE REACTOR IS NORMALLY OPERATING UNDER POWER, SAID TEMPERATURE BEING ADAPTED TO BE VARIED WITHIN A BAND DEFINED UP UPPER AND LOWER TEMPERATURE LIMITS, SUBSTANTIALLY APART FROM EACH OTHER, A METHOD OF CONTROLLING SAID REACTOR COMPRISING THE STEPS OF: (1) SUBSTANTIALLY VARYING THE TEMPERATURE OF THE MODERATOR AND (2) VARYING THE COMPOSITION OF THE MODERATOR TO RETAIN SAID TEMPERATURE WITHIN SAID BAND.
Claim 2
Dependent Claim
90 words
IN A NUCLEAR REACTOR CONTAINING A MODERATOR WHICH IS AT LEAST PATIALLY LIQUID, THE TEMPERATURE AND THE COMPOSITION OF WHICH ARE EACH ADAPTED TO BE VARIED SUBSTANTIALLY WHEN THE REACTOR IS NORMALLY OPERATING UNDER POWER, SAID TEMPERATURE BEING ADAPTED TO BE VARIED WITHIN A BAND DEFINED UP UPPER AND LOWER TEMPERATURE LIMITS, SUBSTANTIALLY APART FROM EACH OTHER, A METHOD OF CONTROLLING SAID REACTOR COMPRISING THE STEPS OF: (1) SUBSTANTIALLY VARYING THE TEMPERATURE OF THE MODERATOR AND (2) VARYING THE COMPOSITION OF THE MODERATOR TO RETAIN SAID TEMPERATURE WITHIN SAID BAND.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |