Gas turbine engine installation fuel systems
Abstract
Abstract A GAS TURBINE ENGINE INSTALLATION COMPRISING APPARATUS FOR PRODUCING A STREAM OF GAS AND A WORK TURBINE THROUGH WHICH THE GAS STREAM IS PASSED, THE FUEL SYSTEM COMPRISING A FUEL PUMP, A CONTROL WHEREBY IDLING OR MAXIMUM SUPPLY CAN BE SELECTED, ACCELERATION CONTROL MEANS CONTROLLED IN ACCORDANCE WITH ENGINE CONDITIONS, A SPEED RESPONSIVE DEVICE CONTROLLING THE FUEL IN ACCORDANCE WITH SAID ACCELERATION CONTROL MEANS, A FURTHER SPEED RESPONSIVE DEVICE MODIFYING RESPONSE OF THE FIRST RESPONSIVE DEVICE IN ACCORDANCE ITH THE SPEED OF THE WORK TURBINE, AND A FURTHER CONTROL PROVIDING LIMITED REDUCTION IN SPEED BELOW THE MAXIMUM SELECTED, SAID FURTHER CONTROL BEING ARRANGED TO VARY THE RESPONSE OF THE FURTHER SPEED RESPONSIVE DEVICE.
Inventors
- 👤 Thomas Charles Yates
Bibliographic Details
Claims Analysis
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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) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |