US3090743A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nuclear reactor duct structure
Assignee: Commissariat à l'Énergie Atomique et Aux Énergies Alternatives
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Filing: 1960-04-15
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Granted: 1963-05-21
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Expires: 1980-04-15
Abstract
No abstract record available.
Inventors
- 👤 Alfille Lucien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:11
CPC Classifications
G; G21; G21C; G21C1/00; G21C1/04; G21C1/06; G21C1/14; G21C1/16; G21C1/18; G21C1/20; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
IN A HETEROGENEOUS NUCLEAR REACTOR HAVING A MODERATOR STRUCTURE, A PLURALITY OF PARALLEL CNAALS WITHIN THE MODERATOR, COMBUSTIBLE ELEMENTS WITHIN THE CANALS AND A HEAT ABOSRBING FLUID IN THE CANALS ABSORBING THE HEAT OF FISSION OF THE COMBUSTIBLE ELEMENTS, WALLS FOR EACH OF THE CANALS COMPRISING, FROM THE INTERIOR TOWARD THE EXTERIOR OF THE CANAL, A MONOBLOC VITREOUS SILICA GUIDE TUBE HAVING A SMOOTH INTERIOR SURFACE, MEANS FOR ABOSRBING TRANSVERSE VARIATIONS IN DIMENSION OF SAID GUIDE TUBE AND A FORCE TUBE, AND MEANS AT AT LEAST ON EXTREMITY OF SAID GUIDE TUBE FOR ELASTICALLY ABSORBING LONGITUDINAL VARIATIONS IN DIMENSION OF SAID GUIDE TUBE.
Claim 2
Dependent Claim
103 words
IN A HETEROGENEOUS NUCLEAR REACTOR HAVING A MODERATOR STRUCTURE, A PLURALITY OF PARALLEL CNAALS WITHIN THE MODERATOR, COMBUSTIBLE ELEMENTS WITHIN THE CANALS AND A HEAT ABOSRBING FLUID IN THE CANALS ABSORBING THE HEAT OF FISSION OF THE COMBUSTIBLE ELEMENTS, WALLS FOR EACH OF THE CANALS COMPRISING, FROM THE INTERIOR TOWARD THE EXTERIOR OF THE CANAL, A MONOBLOC VITREOUS SILICA GUIDE TUBE HAVING A SMOOTH INTERIOR SURFACE, MEANS FOR ABOSRBING TRANSVERSE VARIATIONS IN DIMENSION OF SAID GUIDE TUBE AND A FORCE TUBE, AND MEANS AT AT LEAST ON EXTREMITY OF SAID GUIDE TUBE FOR ELASTICALLY ABSORBING LONGITUDINAL VARIATIONS IN DIMENSION OF SAID GUIDE TUBE.
References Cited (Backward Citations)
US714903A
Cited
US1293441A
Cited
US1975269A
Cited
US2900315A
Cited
US2831807A
Cited
US2915446A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |