Vented nuclear fuel element
Abstract
Abstract A VENTED FUEL ELEMENT FOR A NUCLEAR REACTOR OF THE LIQUIDMETAL COOLED TYPE IS DESIGNED TO PREVENT THE PENETRATION OF THE LIQUID METAL COOLANT INTO THE FUEL ELEMENT CAN THROUGH THE FISSION-GAS DISCHARGE VENT. THE VENT ACCORDING TO THE INVENTION COMPRISES A COMPARTMENT WHICH IS SEPARATED FROM THE CAN INTERIOR BY A FIRST POROUS PLUG AND FORM THE LIQUID METAL BY A SECOND POROUS PLUG. THE LIQUID METAL WHICH HAS PASSED THROUGH THE SECOND PLUG IS INTENDED TO TRANSPORT A POWDERED PRODUCT WHICH IS PRESENT WITHIN THE COMPARTMENT EITHER INT THE FIRST PLUG WHICH IS THEREBY RENDERED IMPERMEABLE TO THE LIQUID METAL OR IN THE DIRECTION OF THE SECOND PLUG SO AS TO BRING THE POWDERED PRODUCT INTO CONTACT WITH THE SECOND PLUG AND THUS PERMIT THE DISCHARGE OF FISSION GASES.
Inventors
- 👤 Maurice Gauthron
Bibliographic Details
Claims Analysis
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-10 | 1976-04-10 | 1976-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-10 | 1980-04-10 | 1980-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-10 | 1984-04-10 | 1984-10-10 | $7700.00 | Window Closed / Lapsed |