Fuel element and venting system using same
Abstract
Abstract A VENTING SYSTEN IS DESCRIBED FOR A GLASS COOLED NUCLEAR REACTOR HAVING A PLURLAITY OF CONTAINERS FOR FISSIONABLE MATERIAL. A VENT PASSAGE SYSTEM IS PROVIDED FOR CONDUCTING FISSION PRODUCTS FROM THE CONTAINERS TO A FISSION PRODUCT RECEIVING SYSTEM. THE RECEIVING SYSTEM AND THE VENT PASSAGE SYSTEM ARE AT A LOWER PRESSURE THAN THE AMBIENT PRESSURE OF THE COOLANT GAS. AT LEAST ONE BLEED PASSAGE IS PROVIDED ADJACENT THE CONTAINERS COMMUNICATING FROM THE COOLING SYSTEM OF THE REACTOR TO THE VENT PASSAGE SYSTEM FOR BLEEDING COOLANT GAS INTO THE VENT PASSAGE SYSTEM, THEREBY SPEEDING THE TRANSPORTATION OF FISSION PRODUCTS TO THE RECEIVING SYSTEM, AND SO REDUCING THE DEPOSITION OF SOLIDS DECAYING THEREFROM IN THE CONNECTING DUCTING, ALSO DESCRIBED IS A FUEL ELEMENT FOR USE IN SUCH A REACTOR, SUCH FUEL ELEMENTS HAVING A SELF-CONTAINING VARIABLE POSITION PLUG AND ORIFICE ARRANGEMENT FOR VARYING THE FLOW OF COOLANT THROUGH THE FUEL ELEMENT.
Inventors
- 👤 P Fortescue
Bibliographic Details
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1976-07-02 | 1977-01-01 | 1977-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-02 | 1981-01-01 | 1981-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-02 | 1985-01-01 | 1985-07-03 | $7700.00 | Window Closed / Lapsed |