US2994656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel element construction
Assignee: Individual
•
Filing: 1958-12-31
•
Granted: 1961-08-01
•
Expires: 1978-12-31
Abstract
No abstract record available.
Inventors
- 👤 Zumwalt Lloyd Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:05
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/02; G21C3/04; G21C3/16; G21C3/17; G21C3/20; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A SOLID FUEL ELEMENT FOR A NUCLEAR REACTOR INCLUDING A SOLID FUEL BODY, A SOLID CONTAINER UNIT DISPOSED ABOUT SAID FUEL BODY TO ISOLATE SAID FUEL BODY FROM COOLANT IN THE REACTOR, SAID CONTAINER UNIT COMPRISING AT LEAST ONE CONTAINER, A CONVERSION MATERIAL SOLID AT THE REACTOR OPERATING TEMPERATURE AND OF LOW NEUTRON CROSS SECTION DISPOSED INWARDLY OF THE OUTERMOST SURFACE OF SAID CONTAINER UNIT, SAID CONVERSION MATERIAL CONSISTING OF AT LEAST ONE FLUORIDE SELECTED FROM THE CLASS CONSISTING OF LEAD DIFLUORIDE, ZIRCONIUM TRIFLUORIDE, CERIUM TETRAFLUORIDE, IRON DIFLUORIDE, AND CHROMIUM DIFLUORIDE, WHEREBY STRONTIUM AND CESIUM FISSION PRODUCTS REACT WITH SAID FLUORIDE CONVERSION MATERIAL TO REDUCE THE SAME AND TO FORM STRONTIUM FLUORIDE AND CESIUM FLUORIDE STABLE, TOGETHER WITH THE REDUCED FROM OF CONVERSION MATERIAL, AT THE FUEL ELEMENT OPERATING TEMPERATURE.
Claim 2
Dependent Claim
130 words
A SOLID FUEL ELEMENT FOR A NUCLEAR REACTOR INCLUDING A SOLID FUEL BODY, A SOLID CONTAINER UNIT DISPOSED ABOUT SAID FUEL BODY TO ISOLATE SAID FUEL BODY FROM COOLANT IN THE REACTOR, SAID CONTAINER UNIT COMPRISING AT LEAST ONE CONTAINER, A CONVERSION MATERIAL SOLID AT THE REACTOR OPERATING TEMPERATURE AND OF LOW NEUTRON CROSS SECTION DISPOSED INWARDLY OF THE OUTERMOST SURFACE OF SAID CONTAINER UNIT, SAID CONVERSION MATERIAL CONSISTING OF AT LEAST ONE FLUORIDE SELECTED FROM THE CLASS CONSISTING OF LEAD DIFLUORIDE, ZIRCONIUM TRIFLUORIDE, CERIUM TETRAFLUORIDE, IRON DIFLUORIDE, AND CHROMIUM DIFLUORIDE, WHEREBY STRONTIUM AND CESIUM FISSION PRODUCTS REACT WITH SAID FLUORIDE CONVERSION MATERIAL TO REDUCE THE SAME AND TO FORM STRONTIUM FLUORIDE AND CESIUM FLUORIDE STABLE, TOGETHER WITH THE REDUCED FROM OF CONVERSION MATERIAL, AT THE FUEL ELEMENT OPERATING TEMPERATURE.
References Cited (Backward Citations)
US2816042A
Cited
US2818605A
Cited
GB754559A
Cited
US2758023A
Cited
US2852460A
Cited
US2853446A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-31 | 1965-01-30 | 1965-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-31 | 1969-01-30 | 1969-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-31 | 1973-01-30 | 1973-08-01 | $7700.00 | Window Closed / Lapsed |