US2915446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas cooled nuclear reactor
Assignee: ABB Norden Holding AB
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Filing: 1955-02-01
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Granted: 1959-12-01
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Expires: 1975-02-01
Abstract
No abstract record available.
Inventors
- 👤 Liljeblad Ragnar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:15
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/02; G21C3/04; G21C1/00; G21C1/04; G21C1/06; G21C1/14; G21C1/16; G21C1/18; G21C1/20; G21C13/00; G21C13/02; G21C15/00; G21C15/20; G21C15/22; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
HETEROGENOUS ATOMS REACTOR COMPRISING A REACTOR TANK HAVING COVER AND BOTTOM MEMBERS, FUEL ELEMENTS MOUNTED IN THE COVER AND BOTTOM MEMBERS OF SAID TANK AND COMPRISING FUEL RODS, INNER TUBES OF LESS NEUTRON ABSORPTION POWER THAN THE RODS MOUNTED IN AT LEAST ONE OF SAID MEMBERS SURROUNDING SAID RODS, OUTER TUBES MOUNTED IN SPACED RELATION WITH AND SURROUNDING THE SAID INNER TUBES AND OUT OF COMMUNICATION THEREWITH, AND PROVIDING HEAT INSULATION FOR A COOLING MEDIUM, SAID MEDIUM BEING A GAS AT A PRESSURE OF ABOVE 30 ATMOSPHERES, MEANS TO CAUSE SAID GAS TO FLOW THROUGH SAID INNER TUBES ALONG THE FUEL RODS, HEAVY WATER SUBSTANTIALLY AT ATMOSPHERIC PRESSURE WITHIN SAID TANK SERVING AS A MODERATOR FLUID SURROUNDING AND IN CONTACT WITH SAID OUTER TUBES,
Claim 2
Dependent Claim
124 words
HETEROGENOUS ATOMS REACTOR COMPRISING A REACTOR TANK HAVING COVER AND BOTTOM MEMBERS, FUEL ELEMENTS MOUNTED IN THE COVER AND BOTTOM MEMBERS OF SAID TANK AND COMPRISING FUEL RODS, INNER TUBES OF LESS NEUTRON ABSORPTION POWER THAN THE RODS MOUNTED IN AT LEAST ONE OF SAID MEMBERS SURROUNDING SAID RODS, OUTER TUBES MOUNTED IN SPACED RELATION WITH AND SURROUNDING THE SAID INNER TUBES AND OUT OF COMMUNICATION THEREWITH, AND PROVIDING HEAT INSULATION FOR A COOLING MEDIUM, SAID MEDIUM BEING A GAS AT A PRESSURE OF ABOVE 30 ATMOSPHERES, MEANS TO CAUSE SAID GAS TO FLOW THROUGH SAID INNER TUBES ALONG THE FUEL RODS, HEAVY WATER SUBSTANTIALLY AT ATMOSPHERIC PRESSURE WITHIN SAID TANK SERVING AS A MODERATOR FLUID SURROUNDING AND IN CONTACT WITH SAID OUTER TUBES,
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) | 1962-11-30 | 1963-06-01 | 1963-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-30 | 1967-06-01 | 1967-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-30 | 1971-06-01 | 1971-12-01 | $7700.00 | Window Closed / Lapsed |