US3240674A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detection of liquid boiling in a reactor
Assignee: United Kingdom Atomic Energy Authority
•
Filing: 1963-10-14
•
Granted: 1966-03-15
•
Expires: 1983-10-14
Abstract
No abstract record available.
Inventors
- 👤 Thomas J Ledwidge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:21
CPC Classifications
G; G21; G21C; G21C17/00; G21C17/10; F; F22; F22D; F22D7/00; G21C17/02; G21C17/038; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A METHOD OF DETECTING CHANNEL BLOCKAGE IN A LIQUID METAL COOLED NUCLEAR REACTOR OF THE KIND HAVING WITHIN A VESSEL A REACTOR CORE COMPOSED OF FUEL RODS IN CHANNELS THROUGH WHICH THE LIQUID METAL COOLANT FLOWS, COMPRISING THE STEPS OF SENSING SONIC VIBRATIONS OCCURRING IN ALL OF A NUMBER OF RODS RESPECTIVELY HAVING FREE ENDS IN THE CHANNELS TO ACT AS SOUND GUIDES, AND SELECTING FROM SAID VIBRATIONS THOSE THAT ARE CHARACTERISTIC OF THE FORMATION OF BUBBLES IN THE LIQUID METAL COOLANT YET FREE FROM INTERFERENCE OF COMPETITIVE STRENGTH BY SONIC WAVES OF OTHER ORIGIN, WHEREBY SUCH SELECTED VIBRATIONS INDICATE, FOR WHICHEVER CHANNEL IS ASSOCIATED WITH THE ROD AT WHICH THESE SELECTED VIBRATIONS ARE SENSED, THAT IN THAT CHANNEL A BOILING OF THE COOLANT IS TAKING PLACE AND HENCE THAT A BLOCKAGE HAS OCCURRED.
Claim 2
Independent Claim
134 words
A METHOD OF DETECTING CHANNEL BLOCKAGE IN A LIQUID METAL COOLED NUCLEAR REACTOR OF THE KIND HAVING WITHIN A VESSEL A REACTOR CORE COMPOSED OF FUEL RODS IN CHANNELS THROUGH WHICH THE LIQUID METAL COOLANT FLOWS, COMPRISING THE STEPS OF SENSING SONIC VIBRATIONS OCCURRING IN ALL OF A NUMBER OF RODS RESPECTIVELY HAVING FREE ENDS IN THE CHANNELS TO ACT AS SOUND GUIDES, AND SELECTING FROM SAID VIBRATIONS THOSE THAT ARE CHARACTERISTIC OF THE FORMATION OF BUBBLES IN THE LIQUID METAL COOLANT YET FREE FROM INTERFERENCE OF COMPETITIVE STRENGTH BY SONIC WAVES OF OTHER ORIGIN, WHEREBY SUCH SELECTED VIBRATIONS INDICATE, FOR WHICHEVER CHANNEL IS ASSOCIATED WITH THE ROD AT WHICH THESE SELECTED VIBRATIONS ARE SENSED, THAT IN THAT CHANNEL A BOILING OF THE COOLANT IS TAKING PLACE AND HENCE THAT A BLOCKAGE HAS OCCURRED.
References Cited (Backward Citations)
US2614645A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |