Patent US3228852A successfully refreshed from Google Patents.
US3228852A
Expired / Lapsed
US
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Nuclear reactor
Assignee: United Kingdom Atomic Energy Authority
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Filing: 1963-05-27
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Granted: 1966-01-11
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Expires: 1983-05-27
Abstract
No abstract record available.
Inventors
- 👤 Holmes John Arthur Godfrey
- 👤 Hayes Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:06
CPC Classifications
G; G21; G21C; G21C13/00; G21C13/08; G21C1/00; G21C1/04; G21C1/06; G21C1/07; G21C13/02; G21C13/024; G21C15/00; G21C15/22; G21C19/00; G21C19/20; G21C19/202; G21C5/00; G21C5/14; G21C5/16; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
IN A PEBBLE-BED NUCLEAR REACTOR HAVING A CORE STRUCTURE OF REFRACTORY MATERIAL, A PLURALITY OF SEPARATE REACTOR VESSELS DEFINED BY THE CORE STRUCTURE, BEDS OF PEBBLE FUEL ELEMENTS WITHIN THE RACTOR VESSELS, A FUEL INLET TO EACH VESSEL, AND A FUEL OUTLET FROM EACH VESSEL, THE PROVISION OF A CONICAL BASE TO EACH VESSEL WHICH CONVERSGES TOWARDS THE OUTLET WITH AN INCLUDED ANGLE NOT GREATER THAN 90*, A DIAGRID TO SUPPORT THE CORE STRUCTURE, MEANS TO CIRCULATE FLUID REACTOR COOLANT DOWNWARDLY THROUGHT HE VESSEL, COOLANT OUTLETS FROM THE REACTOR VESSEL, OUTLET CONDUITS COMMUNICATING WITH THE COOLANT OUTLETS AND DEPENDING FROM THE CORE THROUGHT HE DIAGRID, AND A VESSEL DEFINING A COOLANT OUTLET PLENUM WHICH IS SUSPENDED FROM THE CORE STRUCTURE BY MEANS OF THE OUTLET CONDUITS AND INTO WHICH THE OUTLET CONDUITS OPEN.
Claim 2
Dependent Claim
133 words
IN A PEBBLE-BED NUCLEAR REACTOR HAVING A CORE STRUCTURE OF REFRACTORY MATERIAL, A PLURALITY OF SEPARATE REACTOR VESSELS DEFINED BY THE CORE STRUCTURE, BEDS OF PEBBLE FUEL ELEMENTS WITHIN THE RACTOR VESSELS, A FUEL INLET TO EACH VESSEL, AND A FUEL OUTLET FROM EACH VESSEL, THE PROVISION OF A CONICAL BASE TO EACH VESSEL WHICH CONVERSGES TOWARDS THE OUTLET WITH AN INCLUDED ANGLE NOT GREATER THAN 90*, A DIAGRID TO SUPPORT THE CORE STRUCTURE, MEANS TO CIRCULATE FLUID REACTOR COOLANT DOWNWARDLY THROUGHT HE VESSEL, COOLANT OUTLETS FROM THE REACTOR VESSEL, OUTLET CONDUITS COMMUNICATING WITH THE COOLANT OUTLETS AND DEPENDING FROM THE CORE THROUGHT HE DIAGRID, AND A VESSEL DEFINING A COOLANT OUTLET PLENUM WHICH IS SUSPENDED FROM THE CORE STRUCTURE BY MEANS OF THE OUTLET CONDUITS AND INTO WHICH THE OUTLET CONDUITS OPEN.
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) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |