Patent US3115448A successfully refreshed from Google Patents.
US3115448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nuclear reactor moderator structures
Assignee: United Kingdom Atomic Energy Authority
•
Filing: 1958-07-01
•
Granted: 1963-12-24
•
Expires: 1978-07-01
Abstract
No abstract record available.
Inventors
- 👤 Hackney Stanley
- 👤 Munn Peter Neil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:28
CPC Classifications
G; G21; G21C; G21C5/00; G21C5/02; G21C5/08; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
IN A NUCLEAR REACTOR HAVING A MODERATOR STRUCTURE WITHIN A CONTAINING VESSEL, MEANS FOR RESTRAINING MOVEMENT OF THE MODERATOR STRUCTURE IN THE DIRECTION RADIAL OF THE CONTAINING VESSEL, SAID RESTRAINING MEANS COMPRISING A SERIES OF WEDGES DISPOSED IN THE MODERATOR STRUCTURE AND DISPLACEABLE IN A DIRECTION NORMAL TO SAID RADIAL DIRECTION TO ACCOMMODATE MODERATOR STRUCTURE EXPANSION IN SAID RADIAL DIRECTION, AND MEANS FOR ENGAGING SAID WEDGES TO CONTROL THE EXTENT OF DISPLACEMENT THEREOF IN SAID DIRECTION NORMAL TO SAID RADIAL DIRECTION AND THUS ACCOMMODATE RADIAL EXPANSION OF SAID MODERATOR STRUCTURE, SAID MEANS ENGAGING SAID WEDGES INCLUDING WEDGE BEARING MEANS APPLYING FORCE ON THE WEDGES IN A DIRECTION NORMAL TO SAID RADIAL DIRECTION, MEANS FOR LOADING SAID WEDGE BEARING MEANS, AND MEANS FOR ADJUSTING SAID LOADING MEANS.
Claim 2
Dependent Claim
126 words
IN A NUCLEAR REACTOR HAVING A MODERATOR STRUCTURE WITHIN A CONTAINING VESSEL, MEANS FOR RESTRAINING MOVEMENT OF THE MODERATOR STRUCTURE IN THE DIRECTION RADIAL OF THE CONTAINING VESSEL, SAID RESTRAINING MEANS COMPRISING A SERIES OF WEDGES DISPOSED IN THE MODERATOR STRUCTURE AND DISPLACEABLE IN A DIRECTION NORMAL TO SAID RADIAL DIRECTION TO ACCOMMODATE MODERATOR STRUCTURE EXPANSION IN SAID RADIAL DIRECTION, AND MEANS FOR ENGAGING SAID WEDGES TO CONTROL THE EXTENT OF DISPLACEMENT THEREOF IN SAID DIRECTION NORMAL TO SAID RADIAL DIRECTION AND THUS ACCOMMODATE RADIAL EXPANSION OF SAID MODERATOR STRUCTURE, SAID MEANS ENGAGING SAID WEDGES INCLUDING WEDGE BEARING MEANS APPLYING FORCE ON THE WEDGES IN A DIRECTION NORMAL TO SAID RADIAL DIRECTION, MEANS FOR LOADING SAID WEDGE BEARING MEANS, AND MEANS FOR ADJUSTING SAID LOADING MEANS.
References Cited (Backward Citations)
US1266745A
Cited
US1738527A
Cited
US1896669A
Cited
US2838451A
Cited
US2853440A
Cited
GB785928A
Cited
US2970097A
Cited
US2852457A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-23 | 1967-06-24 | 1967-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-23 | 1971-06-24 | 1971-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-23 | 1975-06-24 | 1975-12-24 | $7700.00 | Window Closed / Lapsed |