Patent US3223898A successfully refreshed from Google Patents.
Patent US2779728A successfully refreshed from Google Patents.
US2779728A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control device for a neutronic reactor
Assignee: Individual
•
Filing: 1946-12-03
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Granted: 1957-01-29
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Expires: 1966-12-03
Abstract
No abstract record available.
Inventors
- 👤 Walter H Zinn
- 👤 Brill Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:52
CPC Classifications
G; G21; G21C; G21C7/00; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A CONTROL SYSTEM FOR A NEUTRONIC REACTOR COMPRISING, IN COMBINATION, ELECTRICAL MEANS TO PRODUCE AN ELECTRICAL SIGNAL PROPORTIONAL TO NEUTRON FLUX DENSITY IN A REACTOR AND ADAPTED TO BE PLACED IN A REACTOR, A PAIR OF SPACED POTOTUBES, A LIGHT SOURCE, ELECTRO-MECHANICAL MEANS COUPLED AND RESPONSIVE TO THE ELECTRICAL MEANS TO POSITION A BEAM OF LIGHT FROM THE LIGHT SOURCE ON A PATH INCLUDING THE PHOTOBUTES IN ACCORDANCE WITH THE MAGNITUDE OF THE ELECTRICAL SIGNAL, A CONTROL MEMBER ADAPTED TO BE SELECTIVELY POSITIONED IN A REACTOR TO VARY THE NEUTRON REPRODUCTION RATIO THEREOF, APOSITIONING MECHANISM COUPLED TO THE CONTROL MEMBER, AN ELECTRO-MECHANICAL MEANS COUPLED TO THE PHOTOBUTES TO ACTUATE THE POSITIONIING MECHANISM IN DIRECTIONS TO INCREASE AND DECREASE THE NEUTRON REPRODUCTION RATIO WHEN THE BEAM FALLS ON RESPECTIVE PHOTOTUBES.
Claim 2
Dependent Claim
129 words
A CONTROL SYSTEM FOR A NEUTRONIC REACTOR COMPRISING, IN COMBINATION, ELECTRICAL MEANS TO PRODUCE AN ELECTRICAL SIGNAL PROPORTIONAL TO NEUTRON FLUX DENSITY IN A REACTOR AND ADAPTED TO BE PLACED IN A REACTOR, A PAIR OF SPACED POTOTUBES, A LIGHT SOURCE, ELECTRO-MECHANICAL MEANS COUPLED AND RESPONSIVE TO THE ELECTRICAL MEANS TO POSITION A BEAM OF LIGHT FROM THE LIGHT SOURCE ON A PATH INCLUDING THE PHOTOBUTES IN ACCORDANCE WITH THE MAGNITUDE OF THE ELECTRICAL SIGNAL, A CONTROL MEMBER ADAPTED TO BE SELECTIVELY POSITIONED IN A REACTOR TO VARY THE NEUTRON REPRODUCTION RATIO THEREOF, APOSITIONING MECHANISM COUPLED TO THE CONTROL MEMBER, AN ELECTRO-MECHANICAL MEANS COUPLED TO THE PHOTOBUTES TO ACTUATE THE POSITIONIING MECHANISM IN DIRECTIONS TO INCREASE AND DECREASE THE NEUTRON REPRODUCTION RATIO WHEN THE BEAM FALLS ON RESPECTIVE PHOTOTUBES.
References Cited (Backward Citations)
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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) | 1960-01-29 | 1960-07-30 | 1961-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-29 | 1964-07-30 | 1965-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-29 | 1968-07-30 | 1969-01-29 | $7700.00 | Window Closed / Lapsed |