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US3141830A
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US
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Nuclear fuel elements and manufacturing method
Assignee: General Electric Co
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Filing: 1960-05-09
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Granted: 1964-07-21
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Expires: 1980-05-09
Abstract
No abstract record available.
Inventors
- 👤 Harold H Klepfer
- 👤 Millard E Snyder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:40
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/02; G21C3/04; G21C3/16; G21C3/18; G21C3/06; G21C3/10; G21C3/17; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
A NUCLEAR REACTOR FUEL ELEMENT WHICH COMPRISES AN ELONGATED CONTAINER HAVING AN INTERNAL OPENING, A BODY OF NUCLEAR FUEL MATERIAL DISPOSED IN SAID OPENING, AND END CLOSURE INTEGRALLY SECURED AND SEALED AT EACH END OF SAID CONTAINER, SAID CONTAINER AND END CLOSURES OF SAID FUEL ELEMENT BEING FABRICATED FROM A METAL HAVING AS A MAJOR CONSTITUTENT A METAL SELECTED FROM THE CLASS CONSISTING OF ZIRCONIUM, NIOBIUM (COLUMBIUM) AND YTTRIUM, AT LEAST ONE OF SAID END CLOSURES BEING HOLLOW AND HAVING A CAVITY WHICH COMMUNICATES WITH SAID INTERNAL OPENING OF SAID CONTAINER, AND A RESILIENT, POROUS, FLUID-PERMEABLE METALLIC COMPACT CONTAINED IN SAID CAVITY, SAID COMPACT BEING FABRICATED FROM A METAL HAVING AS A MAJOR CONSTITUENT A METAL SELECTED FROM THE CLASS CONSISTING OF ZIRCONIUM, NIOBIUM (COLUMBIUM), TITANIUM, YTTRIUM, AND HAFNIUM, SAID COMPACT HAVING A BULK DENSITY OF BETWEEN ABOUT 50% AND ABOUT 85% OF THE THEORETICAL DENSITY OF THE METAL FROM WHICH IT IS MADE.
Claim 2
Dependent Claim
154 words
A NUCLEAR REACTOR FUEL ELEMENT WHICH COMPRISES AN ELONGATED CONTAINER HAVING AN INTERNAL OPENING, A BODY OF NUCLEAR FUEL MATERIAL DISPOSED IN SAID OPENING, AND END CLOSURE INTEGRALLY SECURED AND SEALED AT EACH END OF SAID CONTAINER, SAID CONTAINER AND END CLOSURES OF SAID FUEL ELEMENT BEING FABRICATED FROM A METAL HAVING AS A MAJOR CONSTITUTENT A METAL SELECTED FROM THE CLASS CONSISTING OF ZIRCONIUM, NIOBIUM (COLUMBIUM) AND YTTRIUM, AT LEAST ONE OF SAID END CLOSURES BEING HOLLOW AND HAVING A CAVITY WHICH COMMUNICATES WITH SAID INTERNAL OPENING OF SAID CONTAINER, AND A RESILIENT, POROUS, FLUID-PERMEABLE METALLIC COMPACT CONTAINED IN SAID CAVITY, SAID COMPACT BEING FABRICATED FROM A METAL HAVING AS A MAJOR CONSTITUENT A METAL SELECTED FROM THE CLASS CONSISTING OF ZIRCONIUM, NIOBIUM (COLUMBIUM), TITANIUM, YTTRIUM, AND HAFNIUM, SAID COMPACT HAVING A BULK DENSITY OF BETWEEN ABOUT 50% AND ABOUT 85% OF THE THEORETICAL DENSITY OF THE METAL FROM WHICH IT IS MADE.
References Cited (Backward Citations)
US3010889A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |