US3243596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas turbine power system stabilizer
Assignee: General Electric Co
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Filing: 1963-11-21
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Granted: 1966-03-29
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Expires: 1983-11-21
Abstract
No abstract record available.
Inventors
- 👤 Loft Arne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:20
CPC Classifications
F; F02; F02C; F02C9/00; F02C9/48; F02C9/50; F02C9/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
IN A GAS TURBINE OF THE TYPE HAVING A COMPRESSOR FURNISHING AIR TO A COMBUSTION TO BURN FUEL THEREIN AND HAVING A FIRST DRIVING THE COMPRESSOR AND DISCHARGING MOTIVE FLUID THROUGH A VARIABLE NOZZLE TO A SECOND MECHANICALLY INDEPENDENT LOAD-DRIVING TURBINE, THE COMBINATION OF: FIRST ELECTROHYDRAULIC GOVERNING MEANS AJUSTING THE OPENING OF SAID VARIABLE NOZZLE IN RESPONSE TO SPEED VARIATIONS OF THE FIRST TURBINE FROM A FIRST SPEED SETTING, SECOND ELECTROHYDRAULIC GOVERNING MEANS AJUSTING THE RATE OF FUEL FLOW IN RESPONSE TO LOAD VARIATIONS ON THE SECOND TURBINE FROM A SECOND SETTING, AND MEANS RESPONSIVE TO SUDDEN LOSS OF LOAD FROM THE SECOND TURBINE AND BEFORE SUBSTANTIAL SPEED CHANGESS THEREOF FOR SIMULTANEOUSLY INCREASIG THE FIRST SPEED SETTING TO OPEN THE NOZZLE WIDER AND DECREASING THE SECOND SETTING TO REDUCE THE FUEL FLOW, WHEREBY A LARGER PROPORTION OF THE AVAILABLE ENERGY IN THE MOTIVE FLUID IS SHIFTED TO THE FIRST TURBINE FROM THE SECOND TURBINE WHILE THE TOTAL ENERGY AVAILABLE TO THE GAS TURBINE IS DECREASED.
Claim 2
Dependent Claim
165 words
IN A GAS TURBINE OF THE TYPE HAVING A COMPRESSOR FURNISHING AIR TO A COMBUSTION TO BURN FUEL THEREIN AND HAVING A FIRST DRIVING THE COMPRESSOR AND DISCHARGING MOTIVE FLUID THROUGH A VARIABLE NOZZLE TO A SECOND MECHANICALLY INDEPENDENT LOAD-DRIVING TURBINE, THE COMBINATION OF: FIRST ELECTROHYDRAULIC GOVERNING MEANS AJUSTING THE OPENING OF SAID VARIABLE NOZZLE IN RESPONSE TO SPEED VARIATIONS OF THE FIRST TURBINE FROM A FIRST SPEED SETTING, SECOND ELECTROHYDRAULIC GOVERNING MEANS AJUSTING THE RATE OF FUEL FLOW IN RESPONSE TO LOAD VARIATIONS ON THE SECOND TURBINE FROM A SECOND SETTING, AND MEANS RESPONSIVE TO SUDDEN LOSS OF LOAD FROM THE SECOND TURBINE AND BEFORE SUBSTANTIAL SPEED CHANGESS THEREOF FOR SIMULTANEOUSLY INCREASIG THE FIRST SPEED SETTING TO OPEN THE NOZZLE WIDER AND DECREASING THE SECOND SETTING TO REDUCE THE FUEL FLOW, WHEREBY A LARGER PROPORTION OF THE AVAILABLE ENERGY IN THE MOTIVE FLUID IS SHIFTED TO THE FIRST TURBINE FROM THE SECOND TURBINE WHILE THE TOTAL ENERGY AVAILABLE TO THE GAS TURBINE IS DECREASED.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |