Patent US3348375A successfully refreshed from Google Patents.
US3348375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas turbine engine fuel control
Assignee: RTX Corp
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Filing: 1966-03-02
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Granted: 1967-10-24
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Expires: 1986-03-02
Abstract
No abstract record available.
Inventors
- 👤 William B Gardner
- 👤 Joel F Kuhlberg
- 👤 Peter W Mclaughlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:45
CPC Classifications
F; F02; F02C; F02C9/00; F02C9/16; F02C9/26; F02C9/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A FUEL CONTROL FOR A GAS TURBINE ENGINE HAVING A ROTOR WITH A COMPRESSOR CONNECTED TO A TURBINE AND A BURNER SECTION BETWEEN THE COMPRESSOR AND THE TURBINE, THE CONTROL COMPRISING: METERING MEANS FOR METERING FUEL FLOW TO SAID ENGINE; SPEED SELECTING MEANS FOR SELECTING A DESIRED OPERATING SPEED OF SAID ROTOR, SAID SPEED SELECTING MEANS BEING FUNCTIONALLY CONNECTED TO SAID METERING MEANS; SPEED SENSING MEANS FOR SENSING THE ACTUAL SPEED OF SAID ROTOR; MEANS RESPONSIVE TO SAID SPEED SENSING MEANS AND FUNCTIONALLY CONNECTED TO SAID METERING MEANS FOR MODIFYING FUEL FLOW IN RESPONSE TO DEVIATIONS OF ENGINE SPEED FROM THE SELECTED DESIRED SPEED; TEMPERATURE SELECTING MEANS FOR SELECTING A DESIRED TEMPERATURE AT THE INLET TO THE TURBINE, SAID TEMPERATURE SELECTING MEANS BEING FUNCTIONALLY CONNECTED TO SAID METERING MEANS; MEANS FOR SENSING A PLURALITY OF ENGINE PARAMETERS;
Claim 2
Dependent Claim
137 words
A FUEL CONTROL FOR A GAS TURBINE ENGINE HAVING A ROTOR WITH A COMPRESSOR CONNECTED TO A TURBINE AND A BURNER SECTION BETWEEN THE COMPRESSOR AND THE TURBINE, THE CONTROL COMPRISING: METERING MEANS FOR METERING FUEL FLOW TO SAID ENGINE; SPEED SELECTING MEANS FOR SELECTING A DESIRED OPERATING SPEED OF SAID ROTOR, SAID SPEED SELECTING MEANS BEING FUNCTIONALLY CONNECTED TO SAID METERING MEANS; SPEED SENSING MEANS FOR SENSING THE ACTUAL SPEED OF SAID ROTOR; MEANS RESPONSIVE TO SAID SPEED SENSING MEANS AND FUNCTIONALLY CONNECTED TO SAID METERING MEANS FOR MODIFYING FUEL FLOW IN RESPONSE TO DEVIATIONS OF ENGINE SPEED FROM THE SELECTED DESIRED SPEED; TEMPERATURE SELECTING MEANS FOR SELECTING A DESIRED TEMPERATURE AT THE INLET TO THE TURBINE, SAID TEMPERATURE SELECTING MEANS BEING FUNCTIONALLY CONNECTED TO SAID METERING MEANS; MEANS FOR SENSING A PLURALITY OF ENGINE PARAMETERS;
References Cited (Backward Citations)
US2960826A
Cited
US3129643A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |