US3618386A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluidic temperature sensor averaging system
Assignee: Avco Corp
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Filing: 1970-06-10
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Granted: 1971-11-09
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Expires: 1990-06-10
Abstract
Abstract SIMPLIFIED FLUIDIC TEMPERATURE SENSOR ASSEMBLY FOR MEASURING AVERAGE TURBINE INLET TEMPERATURE OF A GAS TURBINE ENGINE. THE SYSTEM COMPRISES A PAIR OF THE FLUIDIC OSCILLATOR POSITIONED AT THE INLET TO A TURBINE NOZZLE OF A GAS TURBINE ENGINE. THE OUTPUT FROM THE OSCILLATORS IS A MODIFIED IN PROPORTION TO THE DIFFERENCE IN SIGNAL BETWEEN THERMOCOUPLES ADJACENT THE OSCILLATORS AND THE SIGNAL RE- FLECTING AN AVERAGE TEMPERATURE PRODUCED BY A THERMOCOUPLE HARNESS ASSEMBLY. A DEVICE IS PROVIDED IN THE SYSTEM TO SWITCH OUT THE OUTPUT OF THE OSCILLATORS AND USE THE THERMOCOUPLE HARNESS OUTPUT WHEN A FAILURE IS INDICATED IN BOTH OF THE FLUIDIC OSCILLATORS.
Inventors
- 👤 Jay I Black
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:25
CPC Classifications
G; G01; G01K; G01K13/00; G01K13/02; G01K13/024; G01K11/00; G01K11/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-08 | 1975-05-10 | 1975-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-08 | 1979-05-10 | 1979-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-08 | 1983-05-10 | 1983-11-09 | $7700.00 | Window Closed / Lapsed |