Patent US3666624A successfully refreshed from Google Patents.
US3666624A
Expired / Lapsed
US
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Hydraulic hold-down for nuclear reactor fuel assembly
Assignee: United States Atomic Energy Commission
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Filing: 1969-07-18
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Granted: 1972-05-30
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Expires: 1989-07-18
Abstract
Abstract AN ASSEMBLY FOR USE IN A NUCLEAR REACTOR INCLUDES A FUEL ASSEMBLY HAVING A NOSE PIECE AT ITS LOWER END AND A SUPPORT RECEPTACLE HAVING A SOCKET WHICH RECEIVES THE NOSE PIECE. OPENING IN THE NOSE PIECE AND SOCKET CONDUCT COOLANT INTO THE NOSE PIECE PERPENDICULAR TO THE LONGITUDINAL AXIS OF THE FUEL ASSWMBLY. LAEKAGE FLOW VENTS EXTENDED THE LENGTH OF THE NOSE PIECE COMMUNICATING WITH THE INTERIOR OF THE SOCKET BELOW THE NOSE PIECE AND THE EXTERIOR OF THE FUEL ASSEMBLY ABOVE THE TOP OF THE RECEPTACLE TO REDUCE THE LIFTING AFFECT OF THE COOLANT ON THE FUEL ASSEMBLY.
Inventors
- 👤 Lester M Finch
- 👤 Andy J Anthony
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:52
CPC Classifications
G; G21; G21C; G21C5/00; G21C5/02; G21C5/06; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 0
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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) | 1975-05-30 | 1975-11-29 | 1976-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-30 | 1979-11-29 | 1980-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-30 | 1983-11-29 | 1984-05-30 | $7700.00 | Window Closed / Lapsed |