US3228853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel elements for nuclear reactors
Assignee: CA Parsons and Co Ltd
•
Filing: 1962-05-07
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Granted: 1966-01-11
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Expires: 1982-05-07
Abstract
No abstract record available.
Inventors
- 👤 Ritz Hugo Heinrich Ludolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:23
CPC Classifications
F; F28; F28F; F28F1/00; F28F1/10; F28F1/12; F28F1/34; F28F1/36; G; G21; G21C; G21C3/00; G21C3/30; G21C3/32; G21C3/33; G21C3/34; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A FUEL ELEMENT FOR A NUCLEAR REACTOR INCLUDING AN ENCLOSING MEMBER HAVING AN INTERNAL WALL AND WHICH ELEMENT COMPRISES A PLURALITY OF TUBULAR CONTAINERS HOUSING NUCLEAR FUEL LOCATED INT HE BORE OF SAID ENCLOSING MEMBER, SAID CONTAINERS HAVING THEIR LONGITUDINAL AXES SUBSTANTIALLY PARALLEL TO ONE ANOTHER AND TO THE AXIS OF THE ENCLOSING MEMBER AND THE OUTER SURFACE OF EACH CONTAINER HAVING FINS THEREON WHICH ARE HELICALLY DISPOSED WITH RESPECT TO THE LONGITUDINAL AXES OF THE CONTANER, BAFFLES EXTENDING IN THE DIRECTION OF THE LONGITUDINAL AXES OF THE CONTAINERS, INTERSECTING THE FINS ON SAID CONTAINERS TO BAFFLE THE FLOW BETWEEN THE FINS AT THE POINTS OF INTERSECTION AND, SAID BAFFLES EXTENDING BETWEEN THE RESPECTIVE CONTAINERS AND BETWEEN EACH CONTAINER AND THE INTERNAL WALL OF THE ENCLOSING MEMBER TO PROVIDE A PLURALITY OF SEPARATE FLOW CHANNELS THROUGH THE ENCLOSING MEMBER.
Claim 2
Dependent Claim
139 words
A FUEL ELEMENT FOR A NUCLEAR REACTOR INCLUDING AN ENCLOSING MEMBER HAVING AN INTERNAL WALL AND WHICH ELEMENT COMPRISES A PLURALITY OF TUBULAR CONTAINERS HOUSING NUCLEAR FUEL LOCATED INT HE BORE OF SAID ENCLOSING MEMBER, SAID CONTAINERS HAVING THEIR LONGITUDINAL AXES SUBSTANTIALLY PARALLEL TO ONE ANOTHER AND TO THE AXIS OF THE ENCLOSING MEMBER AND THE OUTER SURFACE OF EACH CONTAINER HAVING FINS THEREON WHICH ARE HELICALLY DISPOSED WITH RESPECT TO THE LONGITUDINAL AXES OF THE CONTANER, BAFFLES EXTENDING IN THE DIRECTION OF THE LONGITUDINAL AXES OF THE CONTAINERS, INTERSECTING THE FINS ON SAID CONTAINERS TO BAFFLE THE FLOW BETWEEN THE FINS AT THE POINTS OF INTERSECTION AND, SAID BAFFLES EXTENDING BETWEEN THE RESPECTIVE CONTAINERS AND BETWEEN EACH CONTAINER AND THE INTERNAL WALL OF THE ENCLOSING MEMBER TO PROVIDE A PLURALITY OF SEPARATE FLOW CHANNELS THROUGH THE ENCLOSING MEMBER.
References Cited (Backward Citations)
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Cited
US2902422A
Cited
US3030292A
Cited
GB847220A
Cited
US3116213A
Cited
FR1197912A
Cited
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 |