US3211622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Servomechanical fluid charging and volume control system for a nuclear reactor
Assignee: Westinghouse Electric Corp
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Filing: 1963-03-05
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Granted: 1965-10-12
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Expires: 1983-03-05
Abstract
No abstract record available.
Inventors
- 👤 Eugene H C Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 02:43
CPC Classifications
G; G21; G21D; G21D3/00; G21D3/08; G21C; G21C1/00; G21C1/04; G21C1/06; G21C1/08; G21C1/09; G21C7/00; G21C7/36; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/85954
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A COOLANT VOLUME AND CHARGING CONTROL SYSTEM FOR A NUCLEAR REACTOR HAVING A MAIN FLUID COOLANT LINE AND A PRESSURIZER CONNECTED THERETO, SAID SYSTEM COMPRISING A LET-DOWN FLOW PATH AND A MAKE-UP FLOW PATH CONNECTED TOGETHER THROUGH A LOW PRESSURE TANK AND BRIDGING SAID MAIN COOLANT LINE, MEANS FOR CONTROLLING THE RATE OF FLUID FLOW IN EACH OF SAID PATHS, A FLUID LEVEL WITHIN SAID PRESSURIZER, MEANS FOR DETECTING THE RATE OF FLOW IN EACH OF SAID PATHS AND THE LEVEL OF FLUID IN SAID PRESSURIZER, AN INPUT SIGNAL PRODUCED BY EACH OF SAID DETECTING MEANS AND COMPARATOR MEANS GENERATING AN ERROR SIGNAL IN RESPONSE TO SAID INPUT SIGNALS FROM SAID DETECTING MEANS FOR DELIVERY TO SAID CONTROLLING MEANS SO AS TO MAINTAIN THE FLUID LEVEL IN SAID PRESSURIZER SUBSTANTIALLY CONSTATN.
Claim 2
Dependent Claim
131 words
A COOLANT VOLUME AND CHARGING CONTROL SYSTEM FOR A NUCLEAR REACTOR HAVING A MAIN FLUID COOLANT LINE AND A PRESSURIZER CONNECTED THERETO, SAID SYSTEM COMPRISING A LET-DOWN FLOW PATH AND A MAKE-UP FLOW PATH CONNECTED TOGETHER THROUGH A LOW PRESSURE TANK AND BRIDGING SAID MAIN COOLANT LINE, MEANS FOR CONTROLLING THE RATE OF FLUID FLOW IN EACH OF SAID PATHS, A FLUID LEVEL WITHIN SAID PRESSURIZER, MEANS FOR DETECTING THE RATE OF FLOW IN EACH OF SAID PATHS AND THE LEVEL OF FLUID IN SAID PRESSURIZER, AN INPUT SIGNAL PRODUCED BY EACH OF SAID DETECTING MEANS AND COMPARATOR MEANS GENERATING AN ERROR SIGNAL IN RESPONSE TO SAID INPUT SIGNALS FROM SAID DETECTING MEANS FOR DELIVERY TO SAID CONTROLLING MEANS SO AS TO MAINTAIN THE FLUID LEVEL IN SAID PRESSURIZER SUBSTANTIALLY CONSTATN.
References Cited (Backward Citations)
US2770590A
Cited
US2956553A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |