US2982709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Neutronic reactor design to reduce neutron loss
Assignee: Individual
•
Filing: 1956-11-16
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Granted: 1961-05-02
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Expires: 1976-11-16
Abstract
No abstract record available.
Inventors
- 👤 Francis T Miles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:47
CPC Classifications
G; G21; G21C; G21C1/00; G21C1/04; G21C1/24; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
IN A REACTOR HAVING A NEUTRON MODERATED CORE, A STEEL CONTAINER ENVELOPING THE CORE AND A BLANKET OF FERTILE MATERIAL POSITIONED OUTSIDE THE CONTAINER TO RECEIVE NEUTRONS, THE IMPROVEMENT WHICH COMPRISES AN UNMODERATED LAYER CONTAINING FISSIONABLE MATERIAL SELECTED FROM THE GROUP CONSISTING OF URANIUM-233 AND URANIUM235, SAID LAYER HAVING A THICKNESS OF THE ORDER OF THREE FOLD THE DIFFUSION LENGHT OF SLOW NEUTRONS THEREIN AND SAID LAYER BEING INTERPOSED BETWEEN THE MODERATED PORTION OF THE CORE AND THE METAL CONTAINER, AN UNMODERATED LAYER OF FERTILE MATERIAL LINING A MAJOR PORTION OF THE EXTERNAL SURFACE OF THE METAL CONTAINER AND A MODERATED LAYER OF FERTILE MATERIAL DISPOSED OUTERMOST FROM AND ENVELOPING THE UNMODERATED LAYER OF FERTILE MATERIAL.
Claim 2
Dependent Claim
116 words
IN A REACTOR HAVING A NEUTRON MODERATED CORE, A STEEL CONTAINER ENVELOPING THE CORE AND A BLANKET OF FERTILE MATERIAL POSITIONED OUTSIDE THE CONTAINER TO RECEIVE NEUTRONS, THE IMPROVEMENT WHICH COMPRISES AN UNMODERATED LAYER CONTAINING FISSIONABLE MATERIAL SELECTED FROM THE GROUP CONSISTING OF URANIUM-233 AND URANIUM235, SAID LAYER HAVING A THICKNESS OF THE ORDER OF THREE FOLD THE DIFFUSION LENGHT OF SLOW NEUTRONS THEREIN AND SAID LAYER BEING INTERPOSED BETWEEN THE MODERATED PORTION OF THE CORE AND THE METAL CONTAINER, AN UNMODERATED LAYER OF FERTILE MATERIAL LINING A MAJOR PORTION OF THE EXTERNAL SURFACE OF THE METAL CONTAINER AND A MODERATED LAYER OF FERTILE MATERIAL DISPOSED OUTERMOST FROM AND ENVELOPING THE UNMODERATED LAYER OF FERTILE MATERIAL.
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) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |