Combustion engine fuel control having governor reset means
Abstract
Abstract ENGINE GOVERNOR MECHANISM ADAPTED TO PRODUCE A FUEL CONTROLLING GOVERNOR ERROR OUTPUT SIGNAL DERIVED FROM OPPOSING INPUT REFERENCE AND ENGINE SPEED GENERATED FORCES AND PROVIDED WITH A FORCE PRODUCING FLUID PRESSURE RESPONSIVE MEMBER CONNECTED IN FORCE OPPOSING RELATIONSHIP TO THE INPUT REFERENCE FORCE AND RESPONSIVE TO A PRESSURIZED AND COMPRESSIBLE FLUID SIGNAL DERIVED FROM A SOURCE INCLUDING AN SACCUMULATOR WHICH SIGNAL IS CONTROLLED BY VALVE MEANS RESPONSIVE TO THE GOVERNOR ERROR OUTPUT SIGNAL TO THEREBY PROVIDE A GOVERNOR FEEDBACK CONTROL CIRCUIT HAVING LAG-LEAD COMPENSATION. THE ABOVE-DESCRIBED GOVERNOR MECHANISM IS PARTICULARLY APPLICABLE TO USE WITH A GAS TURBINE ENGINE HAVING INDEPENDENTLY ROTATING GAS PRODUCER AND POWER OUTPUT TURBINES WHEREIN THE ABOVE-DESCRIBED GOVERNOR MECHANISM IS RESPONSIVE TO POWER TURBINE SPEED AND MAY FURTHER INCLUDE A SECOND GOVERNOR MECHANISM RESPONSIVE TO OPPOSING FORCES DERIVED FROM GAS PRODUCER TURBINE SPEED AND A REFERENCE FORCE MODIFIED BY A SECOND FORCE PRODUCING FLUID PRESSURE RESPONSIVE MEMBER RESPONSIVE TO A SECOND CONTROLLED FLUID PRESSURE CONTROLLED BY THE ABOVE-MENTIONED VALVE MEANS INDEPENDENTLY OF THE PRESSURIZED AND COMPRESSIBLE FLUID SIGNAL.
Inventors
- 👤 Joseph L Peczkowski
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) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |