Patent US4931683A successfully refreshed from Google Patents.
Patent US3099616A successfully refreshed from Google Patents.
US3099616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steam cooled reactor and fuel channel
Assignee: Rolls Royce PLC
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Filing: 1959-07-31
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Granted: 1963-07-30
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Expires: 1979-07-31
Abstract
No abstract record available.
Inventors
- 👤 Bauer Stefan George
- 👤 Battle Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:02
CPC Classifications
G; G21; G21C; G21C15/00; G21C15/20; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
IN A NUCLEAR REACTOR OF THE CLASS IN WHICH HEAT IS ABSTRACTED BY USE OF A STEAM UNDER HIGH PRESSURE, A TANK CONTAINING A MODERATOR LIQUID, A FUEL CHANNEL EXTENDING THROUGH THE TANK, SAID FUEL CHANNEL COMPRISING AN INNER TUBULAR WALL OF THIN METAL WHICH IS RRESISTANT TO ATTACK BY HIGH PRESSURE STEAM, SAID INNER TUBULAR WALL DEFINING A FUEL ELEMENT RECEIVING SPACE AND A FLOW PATH FOR THE HIGH PRESSURE STEAM, MEANS DELIVERING HIGH PRESSURE STEAM TO THE FLOW PATH THROUGH SAID INNER TUBULAR WALL AT ONE END AND CONVEYING STEAM AWAY FROM THE OPPOSITE END OF SAID INNER TUBULAR WALL, SAID FUEL CHANNEL ALSO COMPRISING AN OUTER TUBULAR WALL SURROUNDING THE INNER TUBULAR WALL IN RADIALLY SPACED RELATION THERETO, THE OUTER WALL BEING FORMED FROM A METAL HAVING A SUBSTANTIALLY LESS NEUTRON ABSORBING CAPACITY THAN THE METAL OF THE INNER WALL AND
Claim 2
Dependent Claim
144 words
IN A NUCLEAR REACTOR OF THE CLASS IN WHICH HEAT IS ABSTRACTED BY USE OF A STEAM UNDER HIGH PRESSURE, A TANK CONTAINING A MODERATOR LIQUID, A FUEL CHANNEL EXTENDING THROUGH THE TANK, SAID FUEL CHANNEL COMPRISING AN INNER TUBULAR WALL OF THIN METAL WHICH IS RRESISTANT TO ATTACK BY HIGH PRESSURE STEAM, SAID INNER TUBULAR WALL DEFINING A FUEL ELEMENT RECEIVING SPACE AND A FLOW PATH FOR THE HIGH PRESSURE STEAM, MEANS DELIVERING HIGH PRESSURE STEAM TO THE FLOW PATH THROUGH SAID INNER TUBULAR WALL AT ONE END AND CONVEYING STEAM AWAY FROM THE OPPOSITE END OF SAID INNER TUBULAR WALL, SAID FUEL CHANNEL ALSO COMPRISING AN OUTER TUBULAR WALL SURROUNDING THE INNER TUBULAR WALL IN RADIALLY SPACED RELATION THERETO, THE OUTER WALL BEING FORMED FROM A METAL HAVING A SUBSTANTIALLY LESS NEUTRON ABSORBING CAPACITY THAN THE METAL OF THE INNER WALL AND
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) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |