US3180802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boiling water nuclear reactor system
Assignee: Combustion Engineering Inc
•
Filing: 1960-12-20
•
Granted: 1965-04-27
•
Expires: 1980-12-20
Abstract
No abstract record available.
Inventors
- 👤 John M West
- 👤 Sterling J Weems
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:51
CPC Classifications
G; G21; G21D; G21D3/00; G21D3/08; G21D3/12; G21C; G21C1/00; G21C1/04; G21C1/06; G21C1/08; G21D5/00; G21D5/04; G21D5/06; G21D5/08; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A BOILING WATER NUCLEAR REACTOR SYSTEM INCLUDING AN UPRIGHT CORE DISPOSED IN A PRESSURE VESSEL, A SYSTEM FOR CIRCULATING COOLING WATER THROUGH THE CORE INCLUDING MEANS PROVIDING SEPARATE PASSAGEWAYS THROUGH THE CORE WHICH ARE IN SERIAL FLOW RELATION WITH REGARD TO THE FLOW OF THE COOLANT WITH ONE SUCH PASSAGEWAY EXTENDING UP THROUGH A CENTRAL REGION THEREOF, SEPARATE MEANS RECEIVING A STEAM AND WATER MIXTURE FROM EACH PASSAGEWAY SO THAT EACH PASSAGEWAY HAS ITS RESPECTIVE RECEIVING MEANS AND WHEREIN A SEPARATION OF THE MIXTURE TAKES PLACE, SAID PASSAGEWAY EXTENDING THROUGH THE CENTRAL REGION HAVING ITS OUTLET CONNECT WITH A STEAM AND WATER DRUM LOCATED EXTERIORLY OF THE PRESSURE VESSEL FOR THIS PURPOSE, MEANS FOR CONVEYING WATER FROM SAID DRUM FOR PASSAGE THROUGH OTHER OF SAID PASSAGEWAYS, PUMP MEANS CONNECTED TO FORCE SAID
Claim 2
Dependent Claim
132 words
A BOILING WATER NUCLEAR REACTOR SYSTEM INCLUDING AN UPRIGHT CORE DISPOSED IN A PRESSURE VESSEL, A SYSTEM FOR CIRCULATING COOLING WATER THROUGH THE CORE INCLUDING MEANS PROVIDING SEPARATE PASSAGEWAYS THROUGH THE CORE WHICH ARE IN SERIAL FLOW RELATION WITH REGARD TO THE FLOW OF THE COOLANT WITH ONE SUCH PASSAGEWAY EXTENDING UP THROUGH A CENTRAL REGION THEREOF, SEPARATE MEANS RECEIVING A STEAM AND WATER MIXTURE FROM EACH PASSAGEWAY SO THAT EACH PASSAGEWAY HAS ITS RESPECTIVE RECEIVING MEANS AND WHEREIN A SEPARATION OF THE MIXTURE TAKES PLACE, SAID PASSAGEWAY EXTENDING THROUGH THE CENTRAL REGION HAVING ITS OUTLET CONNECT WITH A STEAM AND WATER DRUM LOCATED EXTERIORLY OF THE PRESSURE VESSEL FOR THIS PURPOSE, MEANS FOR CONVEYING WATER FROM SAID DRUM FOR PASSAGE THROUGH OTHER OF SAID PASSAGEWAYS, PUMP MEANS CONNECTED TO FORCE SAID
References Cited (Backward Citations)
US2986508A
Cited
US2806820A
Cited
GB729171A
Cited
GB799725A
Cited
US2998367A
Cited
US2957815A
Cited
US3042600A
Cited
US2938845A
Cited
FR1190224A
Cited
FR1198728A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-26 | 1968-10-26 | 1969-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-26 | 1972-10-26 | 1973-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-26 | 1976-10-26 | 1977-04-27 | $7700.00 | Window Closed / Lapsed |