US3141829A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel element
Assignee: Individual
•
Filing: 1960-04-19
•
Granted: 1964-07-21
•
Expires: 1980-04-19
Abstract
No abstract record available.
Inventors
- 👤 Fortescue Peter
- 👤 Lloyd R Zumwalt
- 👤 David C Morse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:08
CPC Classifications
G; G21; G21C; G21C1/00; G21C1/04; G21C1/06; G21C1/08; G21C1/10; G21C1/12; G21C11/00; G21C11/08; G21C11/083; G21C11/085; G21C3/00; G21C3/02; G21C3/04; G21C3/041; G21C3/06; G21C3/12; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
210 words
A FUEL ELEMENT FOR A NEUTRONIC REACTOR, SAID FUEL ELEMENT COMPRISING AN OUTER CONTAINER FABRICATED OF NEUTRON MODERATING MATERIAL HAVING A LOW PERMEABILITY TO FISSION PRODUCTS AND CONTAINING A GAS POROUS INLET AND A GAS OUTLET, SAID CONTAINER GAS OUTLET BEING DISPOSED AT THE BOTTOM END OF SAID CONTAINER, A FUEL CAN FABRICATED OF NEUTRON MODERATING MATERIAL HAVING A LOW PERMEABILITY TO FISSION PRODUCTS DISPOSED WHOLLY WITHIN SAID OUTER CONTAINER, THE ADJACENT SURFACES OF SAID CAN AND CONTAINER BEING ARRANGED TO PROVIDE A PLURALITY OF PURGE CHANNELS BETWEEN SAID CAN AND SAID CONTAINER, SAID CHANNELS COMMUNICATING WITH SAID POROUS GAS INLET OF SAID CONTAINER AND SAID BOTTOM GAS OUTLET OF SAID CONTAINER, AT LEAST ONE OF SAID ADJACENT SURFACES OF SAID FUEL CAN AND SAID OUTER CONTAINER HAVING A PLURALITY OF CIRCUMFERENTIAL GROOVES PROVIDING PASSAGEWAYS INTERCONNECTING SAID CHANNELS, SAID CAN HAVING A GAS INLET AND A GAS OUTLET, SAID CAN GAS OUTLET BEING POSITIONED AT THE BOTTOM END OF SAID CAN AND COMMUNICATING WITH SAID CONTAINER GAS OUTLET, AT LEAST ONE FUEL COMPACT DISPOSED WITHIN SAID CAN IN A MANNER TO PROVIDE A SPACE BETWEEN SAID COMPACTS AND SAID CAN WHICH SPACE COMMUNICATES WITH SAID CAN GAS INLET, AND A FISSION PRODUCT TRAP DISPOSED WITHIN SAID CAN BELOW SAID COMPACTS.
Claim 2
Dependent Claim
210 words
A FUEL ELEMENT FOR A NEUTRONIC REACTOR, SAID FUEL ELEMENT COMPRISING AN OUTER CONTAINER FABRICATED OF NEUTRON MODERATING MATERIAL HAVING A LOW PERMEABILITY TO FISSION PRODUCTS AND CONTAINING A GAS POROUS INLET AND A GAS OUTLET, SAID CONTAINER GAS OUTLET BEING DISPOSED AT THE BOTTOM END OF SAID CONTAINER, A FUEL CAN FABRICATED OF NEUTRON MODERATING MATERIAL HAVING A LOW PERMEABILITY TO FISSION PRODUCTS DISPOSED WHOLLY WITHIN SAID OUTER CONTAINER, THE ADJACENT SURFACES OF SAID CAN AND CONTAINER BEING ARRANGED TO PROVIDE A PLURALITY OF PURGE CHANNELS BETWEEN SAID CAN AND SAID CONTAINER, SAID CHANNELS COMMUNICATING WITH SAID POROUS GAS INLET OF SAID CONTAINER AND SAID BOTTOM GAS OUTLET OF SAID CONTAINER, AT LEAST ONE OF SAID ADJACENT SURFACES OF SAID FUEL CAN AND SAID OUTER CONTAINER HAVING A PLURALITY OF CIRCUMFERENTIAL GROOVES PROVIDING PASSAGEWAYS INTERCONNECTING SAID CHANNELS, SAID CAN HAVING A GAS INLET AND A GAS OUTLET, SAID CAN GAS OUTLET BEING POSITIONED AT THE BOTTOM END OF SAID CAN AND COMMUNICATING WITH SAID CONTAINER GAS OUTLET, AT LEAST ONE FUEL COMPACT DISPOSED WITHIN SAID CAN IN A MANNER TO PROVIDE A SPACE BETWEEN SAID COMPACTS AND SAID CAN WHICH SPACE COMMUNICATES WITH SAID CAN GAS INLET, AND A FISSION PRODUCT TRAP DISPOSED WITHIN SAID CAN BELOW SAID COMPACTS.
References Cited (Backward Citations)
US2873853A
Cited
US2798848A
Cited
US2799642A
Cited
US2777812A
Cited
US2851409A
Cited
GB809586A
Cited
FR1187405A
Cited
US3039947A
Cited
US3010889A
Cited
US3028329A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |