Patent US3308031A successfully refreshed from Google Patents.
US3308031A
Expired / Lapsed
US
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Method and apparatus for increasing burnout heat flux in reactor pressure tubes
Assignee: Atomic Energy of Canada Ltd AECL
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Filing: 1965-06-17
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Granted: 1967-03-07
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Expires: 1985-06-17
Abstract
No abstract record available.
Inventors
- 👤 George A Pon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:54
CPC Classifications
G; G21; G21C; G21C1/00; G21C1/04; G21C1/06; G21C1/08; G21C1/14; G21C1/16; G21C1/18; G21C1/20; G21C15/00; G21C15/02; G21C15/04; G21C3/00; G21C3/30; G21C3/32; G21C3/322; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
APPARATUS FOR INCREASING THE BURNOUT HEAT FLUX IN A BOILING WATER REACTOR OF THE TYPE HAVING FUEL BUNDLES MADE UP OF A GROUP OF FUEL ELEMENTS POSITIONED IN PRESSURE TUBES PASSING THROUGH THE CORE OF THE REACTOR COMPRISING A SERIES OF METAL RINGS ENCIRCLING THE SAID FUEL BUNDLES AND ENGAGING THE INNER SURFACE OF THE SAID PRESSURE TUBES SUCH THAT WATER FROM THE STEAM/WATER COOLANT WILL NOT ACCUMULATE ON THE PRESSURE TUBE SURFACES BUT WILL BE DIRECTED INWARDLY TOWARD THE FUEL ELEMENTS OF THE SAID FUEL BUNDLES.
Claim 2
Dependent Claim
87 words
APPARATUS FOR INCREASING THE BURNOUT HEAT FLUX IN A BOILING WATER REACTOR OF THE TYPE HAVING FUEL BUNDLES MADE UP OF A GROUP OF FUEL ELEMENTS POSITIONED IN PRESSURE TUBES PASSING THROUGH THE CORE OF THE REACTOR COMPRISING A SERIES OF METAL RINGS ENCIRCLING THE SAID FUEL BUNDLES AND ENGAGING THE INNER SURFACE OF THE SAID PRESSURE TUBES SUCH THAT WATER FROM THE STEAM/WATER COOLANT WILL NOT ACCUMULATE ON THE PRESSURE TUBE SURFACES BUT WILL BE DIRECTED INWARDLY TOWARD THE FUEL ELEMENTS OF THE SAID FUEL BUNDLES.
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) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |