Hybrid fuel control
Abstract
Abstract AN ELECTRONIC-HYDROMECHANICAL CONTROL FOR A REGENERATIVE GAS TURBINE ENGINE WHEREIN A FUEL METERING VALVE AND POWER TURBINE INLET NOZZLES ARE POSITIONED IN RESPONSE TO CONTROL SIGNALS PROVIDED BY A CLOSED LOOP SYSTEM WHEREIN GAS GENERATOR TURBINE INLET TEMPERATURE IS THE PRINCIPAL CONTROL PARAMETER. ENGINE OPERATING PARAMETERS, INCLUDING GAS GENERATOR TURBINE INLET TEMPERATURE, ARE SENSED AND ELECTRICAL SIGNALS COMMENSURATE THEREWITH ARE DELIVERED AS INPUTS TO LOGIC CIRCUITRY WHERE, IN COMBINATION WITH SELECTED OPERATIONAL MODE INPUTS PROVIDED BY THE OPERATOR, THEY ARE OPERATED UPON TO PROVIDE CONTROL SIGNALS FOR THE POWER TURBINE NOZZLE ACTUATORS AND THE GAS GENERATOR FUEL CONTROL METERING VALVE.
Inventors
- 👤 Albert H White
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-20 | 1975-03-22 | 1975-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-20 | 1979-03-22 | 1979-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-20 | 1983-03-22 | 1983-09-21 | $7700.00 | Window Closed / Lapsed |