US3663366A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shroud for a fuel assembly in a nuclear reactor
Assignee: Institute for Energy Technology
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Filing: 1969-04-03
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Granted: 1972-05-16
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Expires: 1989-04-03
Abstract
Abstract In nuclear reactors utilizing water both as moderator and coolant, shrouds are frequency applied for the direction and confinement of the coolant flow along the fuel element. In a reactor according to the invention, however, said shrouds also serve another purpose, namely to provide the reactor core with burnable poison, which will advantageously modify the operation of the reactor in several ways. According to the invention it is considered convenient to disperse said burnable poison in sheets of stainless steel, which form an internal layer of a zirconium alloy. Said shroud will then be constructed from such compound plates.
Inventors
- 👤 Tor Ole Sauar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:19
CPC Classifications
G; G21; G21C; G21C7/00; G21C7/02; G21C7/04; G21C3/00; G21C3/02; G21C3/04; G21C3/06; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 0
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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) | 1975-05-16 | 1975-11-15 | 1976-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-16 | 1979-11-15 | 1980-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-16 | 1983-11-15 | 1984-05-16 | $7700.00 | Window Closed / Lapsed |