Patent US2930744A successfully refreshed from Google Patents.
US2930744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Charge chutes for atomic reactors
Assignee: English Electric Co Ltd
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Filing: 1956-12-17
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Granted: 1960-03-29
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Expires: 1976-12-17
Abstract
No abstract record available.
Inventors
- 👤 Shillitto Arthur
- 👤 Billingham Kenneth Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:09
CPC Classifications
G; G21; G21C; G21C19/00; G21C19/16; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
A CHARGE CHUTE FOR INSERTING AND WITHDRAWING THE FUEL ELEMENTS OF AN ATOMIC REACTOR OF THE KIND IN WHICH THE FUEL ELEMENTS ARE DISPOSED WITHIN A PRESSURE VESSEL IN VERTICAL FUEL CHANNELS SPACED TRANSVERSELY FROM EACH OTHER COMPRISING, IN COMBINATION, A MAIN TUBULAR GUIDE MEMNER ARRANGED TO BE INSERTED VERTICALLY DOWNWARDS INTO SAID PRESSURE VESSEL, AN AUXILIARY TUBULAR GUIDE MEMBER AT THE LOWER END OF SAID MAIN GUIDE MEMBER, THE DIAMETER OF BOTH GUIDE MEMBERS BEING SUCH AS TO ALLOW FREE PASSAGE OF A FUEL ELEMENT THERETHROUGH AND THE LENGTH OF SAID AUXILIARY GUIDE MEMBER BEING SUFFICIENT TO ACCOMMODATE AT LEAST ONE FUEL ELEMENT, AXIALLY SPACED LINK MEANS INTERCONNECTING SAID AUXILIARY GUIDE MEMBER AND SAID MAIN GUIDE MEMBER SO AS TO ALLOW MOVEMENT OF SAID AUXILIARY GUIDE MEMBER BETWEEN A POSITION IN AXIAL ALIGNMENT WITH SAID MAIN GUIDE MEMBER AND A PLURALITY OF POSITIONS SUBSTANTIALLY PARALLEL TO BUT SPACED TRANSVERSELY FROM SAID MAIN GUIDE MEMBER,
Claim 2
Dependent Claim
155 words
A CHARGE CHUTE FOR INSERTING AND WITHDRAWING THE FUEL ELEMENTS OF AN ATOMIC REACTOR OF THE KIND IN WHICH THE FUEL ELEMENTS ARE DISPOSED WITHIN A PRESSURE VESSEL IN VERTICAL FUEL CHANNELS SPACED TRANSVERSELY FROM EACH OTHER COMPRISING, IN COMBINATION, A MAIN TUBULAR GUIDE MEMNER ARRANGED TO BE INSERTED VERTICALLY DOWNWARDS INTO SAID PRESSURE VESSEL, AN AUXILIARY TUBULAR GUIDE MEMBER AT THE LOWER END OF SAID MAIN GUIDE MEMBER, THE DIAMETER OF BOTH GUIDE MEMBERS BEING SUCH AS TO ALLOW FREE PASSAGE OF A FUEL ELEMENT THERETHROUGH AND THE LENGTH OF SAID AUXILIARY GUIDE MEMBER BEING SUFFICIENT TO ACCOMMODATE AT LEAST ONE FUEL ELEMENT, AXIALLY SPACED LINK MEANS INTERCONNECTING SAID AUXILIARY GUIDE MEMBER AND SAID MAIN GUIDE MEMBER SO AS TO ALLOW MOVEMENT OF SAID AUXILIARY GUIDE MEMBER BETWEEN A POSITION IN AXIAL ALIGNMENT WITH SAID MAIN GUIDE MEMBER AND A PLURALITY OF POSITIONS SUBSTANTIALLY PARALLEL TO BUT SPACED TRANSVERSELY FROM SAID MAIN GUIDE MEMBER,
References Cited (Backward Citations)
US2782158A
Cited
US2863815A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |