Patent US3788648A successfully refreshed from Google Patents.
Patent US3026256A successfully refreshed from Google Patents.
US3026256A
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US
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Construction of the distributing and collecting vessels for the cooling medium in heterogeneous nuclear reactors
Assignee: ABB Norden Holding AB
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Filing: 1958-03-21
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Granted: 1962-03-20
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Expires: 1978-03-21
Abstract
No abstract record available.
Inventors
- 👤 Liljeblad Ragnar
- 👤 Madsen Kristian Dahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:51
CPC Classifications
G; G21; G21C; G21C15/00; G21C15/22; G21C1/00; G21C1/04; G21C1/06; G21C1/14; G21C1/16; G21C1/18; G21C1/20; G21C13/00; G21C13/02; G21C13/06; G21C13/067; G21C15/02; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
IN A HETEROGENEOUS NUCLEAR PRESSURE TUBE TYPE REACTOR, A DISTRIBUTING VESSEL FOR THE COOLING FLUID HAVING TOP AND BOTTOM WALLS WITH ALIGNED OPENINGS THERETHROUGH, SAID TOP AND BOTTOM WALLS HAVING NUTS WELDED TO THE OUTER FACES THEREOF AROUND SAID OPENINGS, BUSHINGS MOUNTED IN SAID OPENINGS AND THREADED IN SAID NUTS, A COLLECTING VESSEL WITHIN THE DISTRIBUTING VESSEL AND SPACED FROM THE TOP AND BOTTOM WALLS THEREOF, SAID BUSHINGS PASSING THROUGH THE COLLECTING VESSEL, FUEL ELEMENTS HAVING THEIR HEADS IN SAID BUSHINGS, AND PASSAGE MEANS WITHIN SAID BUSHINGS END BAFFLE MEANS WITHIN THE HEADS OF THE FUEL ELEMENTS TO CONDUC COOLING FLUID FROM SAID DISTRIBUTING VESSEL IN HEAT EXCHANGE RELATION WITH SAID FUEL ELEMENTS AND THEN TO THE
Claim 2
Dependent Claim
117 words
IN A HETEROGENEOUS NUCLEAR PRESSURE TUBE TYPE REACTOR, A DISTRIBUTING VESSEL FOR THE COOLING FLUID HAVING TOP AND BOTTOM WALLS WITH ALIGNED OPENINGS THERETHROUGH, SAID TOP AND BOTTOM WALLS HAVING NUTS WELDED TO THE OUTER FACES THEREOF AROUND SAID OPENINGS, BUSHINGS MOUNTED IN SAID OPENINGS AND THREADED IN SAID NUTS, A COLLECTING VESSEL WITHIN THE DISTRIBUTING VESSEL AND SPACED FROM THE TOP AND BOTTOM WALLS THEREOF, SAID BUSHINGS PASSING THROUGH THE COLLECTING VESSEL, FUEL ELEMENTS HAVING THEIR HEADS IN SAID BUSHINGS, AND PASSAGE MEANS WITHIN SAID BUSHINGS END BAFFLE MEANS WITHIN THE HEADS OF THE FUEL ELEMENTS TO CONDUC COOLING FLUID FROM SAID DISTRIBUTING VESSEL IN HEAT EXCHANGE RELATION WITH SAID FUEL ELEMENTS AND THEN TO THE
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) | 1965-03-19 | 1965-09-18 | 1966-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-19 | 1969-09-18 | 1970-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-19 | 1973-09-18 | 1974-03-20 | $7700.00 | Window Closed / Lapsed |