US2852458A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for controlling neutronic reactors
Assignee: Individual
•
Filing: 1955-12-21
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Granted: 1958-09-16
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Expires: 1975-12-21
Abstract
No abstract record available.
Inventors
- 👤 Joseph R Dietrich
- 👤 Joseph M Harrer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:12
CPC Classifications
G; G21; G21C; G21C7/00; G21C7/06; G21C7/08; G21C7/18; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
IN A NEUTRONIC REACTOR HAVING AN ACTIVE PORTION COMPRISING A THERMAL NEUTRON FISSIONABLE MATERIAL AND ADAPTED TO RELEASE NEUTRONS THEREFROM, AND APPARATUS FOR CONTROLLING THE RELEASE OF NEUTRONS IN SAID ACTIVE PORTION, THE IMPROVEMENT WHEREIN SAID APPARATUS COMPRISES COAXIALLY DISPOSED MEMBERS EACH HAVING CIRCUMFERENTIAL SECTIONS OF MATERIAL HAVING DIFFERENT NEUTRON ABSORBING CHARACTERISTICS, AND MEANS FOR MOVING THE MEMBERS ROTATABLY AND TRANSLATABLY RELATIVE TO EACH OTHER WITHIN SAID ACTIVE PORTION TO VARY THE NEUTRON FLUX THEREIN, WHEREBY THE ANGULAR AND TRANSLATIONAL MOVEMENTS OF ANY MEMBER CHANGE THE NEUTRON FLUX SHADOWING EFFECT F SAID MEMBER UPON THE OTHER MEMBER.
Claim 2
Dependent Claim
97 words
IN A NEUTRONIC REACTOR HAVING AN ACTIVE PORTION COMPRISING A THERMAL NEUTRON FISSIONABLE MATERIAL AND ADAPTED TO RELEASE NEUTRONS THEREFROM, AND APPARATUS FOR CONTROLLING THE RELEASE OF NEUTRONS IN SAID ACTIVE PORTION, THE IMPROVEMENT WHEREIN SAID APPARATUS COMPRISES COAXIALLY DISPOSED MEMBERS EACH HAVING CIRCUMFERENTIAL SECTIONS OF MATERIAL HAVING DIFFERENT NEUTRON ABSORBING CHARACTERISTICS, AND MEANS FOR MOVING THE MEMBERS ROTATABLY AND TRANSLATABLY RELATIVE TO EACH OTHER WITHIN SAID ACTIVE PORTION TO VARY THE NEUTRON FLUX THEREIN, WHEREBY THE ANGULAR AND TRANSLATIONAL MOVEMENTS OF ANY MEMBER CHANGE THE NEUTRON FLUX SHADOWING EFFECT F SAID MEMBER UPON THE OTHER MEMBER.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-15 | 1962-03-17 | 1962-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-15 | 1966-03-17 | 1966-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-15 | 1970-03-17 | 1970-09-16 | $7700.00 | Window Closed / Lapsed |