US3230771A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature measuring apparatus
Assignee: United Kingdom Atomic Energy Authority
•
Filing: 1962-07-23
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Granted: 1966-01-25
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Expires: 1982-07-23
Abstract
No abstract record available.
Inventors
- 👤 Kealy Wellesley Ashe
- 👤 Smart Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:35
CPC Classifications
G; G21; G21C; G21C17/00; G21C17/10; G01; G01K; G01K1/00; G01K1/14; G01K1/143; G01K11/00; G01K11/22; G01K11/26; G21C17/102; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A NUCLEAR REACTOR FUEL ELEMENT PROVIDED WITH TEMPERATURE MEASURING APPARATUS COMPRISING A FLUID-FILLED CHAMBER, A DIAPHRAGM WITHIN THE CHAMBER, AN ELECTROMAGNETIC COIL FOR VIBRATING THE DIAPHRAGM, THE RESONANT FREQUENCY OF THE DIAPHRAGM BEING DEPENDENT UPON THE TEMPERATURE OF THE FLUID WITHIN THE CHAMBER AND BEING DETECTABLE BY THE EFFECT OF RESONANCE ON THE ELECTRICAL IMPEDANCE OFFERED BY THE COIL, A THERMOCOUPLE HAVING ONE JUNCTION IN THERMAL CONTACT WITH THE SURFACE OF THE ELEMENT AND THE OTHER JUNCTION IN THERMAL CONTACT WITH THE FLUID-FILLED CHAMBER SO THAT IT INDICATES BY A DIRECT CURRENT SIGNAL THE TEMPERATURE DIFFERENTIAL BETWEEN THE SURFACE OF THE ELEMENT AND THE FLUID-FILLED CASING, AND CONNECTIONS FOR COMBINING AN ALTERNATING SIGNAL FROM THE COIL WITH THE DIRECT CURRENT SIGNAL TO PROVIDE A SINGLE OUTPUT SIGNAL FROM THE APPARATUS.
Claim 2
Dependent Claim
130 words
A NUCLEAR REACTOR FUEL ELEMENT PROVIDED WITH TEMPERATURE MEASURING APPARATUS COMPRISING A FLUID-FILLED CHAMBER, A DIAPHRAGM WITHIN THE CHAMBER, AN ELECTROMAGNETIC COIL FOR VIBRATING THE DIAPHRAGM, THE RESONANT FREQUENCY OF THE DIAPHRAGM BEING DEPENDENT UPON THE TEMPERATURE OF THE FLUID WITHIN THE CHAMBER AND BEING DETECTABLE BY THE EFFECT OF RESONANCE ON THE ELECTRICAL IMPEDANCE OFFERED BY THE COIL, A THERMOCOUPLE HAVING ONE JUNCTION IN THERMAL CONTACT WITH THE SURFACE OF THE ELEMENT AND THE OTHER JUNCTION IN THERMAL CONTACT WITH THE FLUID-FILLED CHAMBER SO THAT IT INDICATES BY A DIRECT CURRENT SIGNAL THE TEMPERATURE DIFFERENTIAL BETWEEN THE SURFACE OF THE ELEMENT AND THE FLUID-FILLED CASING, AND CONNECTIONS FOR COMBINING AN ALTERNATING SIGNAL FROM THE COIL WITH THE DIRECT CURRENT SIGNAL TO PROVIDE A SINGLE OUTPUT SIGNAL FROM THE APPARATUS.
References Cited (Backward Citations)
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Cited
US2536025A
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US2475238A
Cited
US2641931A
Cited
US2769340A
Cited
US3087886A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |