Patent US3324006A successfully refreshed from Google Patents.
US3324006A
Expired / Lapsed
US
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Control members for nuclear reactors
Assignee: United Kingdom Atomic Energy Authority
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Filing: 1964-11-23
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Granted: 1967-06-06
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Expires: 1984-11-23
Abstract
No abstract record available.
Inventors
- 👤 Challender Ronald Scott
- 👤 Pugh Michael Charles
- 👤 White William Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:17
CPC Classifications
G; G21; G21C; G21C7/00; G21C7/06; G21C7/08; G21C7/12; G21C7/16; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A CONTROL MECHANISM FOR A NUCLEAR REACTOR USING A PRESSURIZED COOLANT, THE MECHANISM COMPRISING A MOVABLE REACTIVITY CONTROL MEMBER, FIRST MEANS FOR CAUSING THE CONTROL MEMBER TO MOVE TO A RECTIVITY REDUCING POSITION AT A FIRST RATE, SECOND MEANS FOR CAUSING THE MEMBER TO MOVE FROM SAID POSITION IN A REACTIVITY-INCREASING DIRECTION UNDER THE INFLUENCE OF A FORCE CREATED BY A PRESSURE DIFFERENCE ACROSS THE MEMBER AND AT A SECOND RATE SLOWER THAN THE FIRST RATE, SAID SECOND MEANS COMPRISING RESTRAINING MEANS MOVABLE INTO ABUTTING ENGAGEMENT WITH SAID CONTROL MEMBER OF A SIDE THEREOF OPPOSITE TO THAT ON WHICH SAID FORCE IS TO ACT FOR RENDERING SAID FORCE EFFECTIVE TO MOVE THE CONTROL MEMBER FROM SAID POSITION WHEN N ABUTTING ENGAGEMENT WITH SAID CONTROL MEMBER AND FOR RENDERING SAID FORCE INEFFECTIVE TO MOVE SAID CONTROL MEMBER FROM SAID POSITION WHEN FREE OF ENGAGEMENT WITH SAID CONTROL MEMBER.
Claim 2
Dependent Claim
147 words
A CONTROL MECHANISM FOR A NUCLEAR REACTOR USING A PRESSURIZED COOLANT, THE MECHANISM COMPRISING A MOVABLE REACTIVITY CONTROL MEMBER, FIRST MEANS FOR CAUSING THE CONTROL MEMBER TO MOVE TO A RECTIVITY REDUCING POSITION AT A FIRST RATE, SECOND MEANS FOR CAUSING THE MEMBER TO MOVE FROM SAID POSITION IN A REACTIVITY-INCREASING DIRECTION UNDER THE INFLUENCE OF A FORCE CREATED BY A PRESSURE DIFFERENCE ACROSS THE MEMBER AND AT A SECOND RATE SLOWER THAN THE FIRST RATE, SAID SECOND MEANS COMPRISING RESTRAINING MEANS MOVABLE INTO ABUTTING ENGAGEMENT WITH SAID CONTROL MEMBER OF A SIDE THEREOF OPPOSITE TO THAT ON WHICH SAID FORCE IS TO ACT FOR RENDERING SAID FORCE EFFECTIVE TO MOVE THE CONTROL MEMBER FROM SAID POSITION WHEN N ABUTTING ENGAGEMENT WITH SAID CONTROL MEMBER AND FOR RENDERING SAID FORCE INEFFECTIVE TO MOVE SAID CONTROL MEMBER FROM SAID POSITION WHEN FREE OF ENGAGEMENT WITH SAID CONTROL MEMBER.
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) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |