Patent US3308618A successfully refreshed from Google Patents.
US3308618A
Expired / Lapsed
US
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Range blower pressure control
Assignee: Rolls Royce PLC
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Filing: 1964-12-04
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Granted: 1967-03-14
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Expires: 1984-12-04
Abstract
No abstract record available.
Inventors
- 👤 Jubb Albert
- 👤 Hatchett Keith Anthony
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:20
CPC Classifications
F; F02; F02C; F02C3/00; F02C3/04; F02C3/10; F01; F01K; F01K23/00; F01K23/12; F01K23/16; F02C9/00; F02C9/26; F02C9/42; F02C9/48; F02C9/50; F02C9/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
IN A POWER PRODUCING PLANT WHICH INCLUDES AT LEAST TWO GAS TURBINE ENGINES EACH OF THE TYPE HAVING COMPRESSOR MEANS, COMBUSTION EQUIPMENT, TURBINE MEANS CONNECTED TO DRIVE THE COMPRESSOR MEANS AND MEANS FOR VARYING THE FLOW OF FUEL TO THE COMBUSTION EQUIPMENT, AND EACH ARRANGED TO DISCHARGE ITS GAS EFFLUX INTO A COMMON PLENUM CHAMBER, SAID CHAMBER HAVING AT LEAST ONE VARIABLE OUTLET NOZZLE, AT LEAST ONE POWER TURBINE CONNECTED TO BE DRIVEN BY GAS DISCHARGING THROUGH SAID VARIABLE OUTLET NOZZLE, CONTROL APPARATUS COMPRISING: MEANS FOR SENSING A DERIVED PRESSURE WHICH IS FUNCTIONALLY RELATED TO THE DELIVERY PRESSURE HAVING THE HIGHEST VALUE AMONG THE DELIVERY PRESSURES OF ALL THE COMPRESSOR MEANS,
Claim 2
Dependent Claim
111 words
IN A POWER PRODUCING PLANT WHICH INCLUDES AT LEAST TWO GAS TURBINE ENGINES EACH OF THE TYPE HAVING COMPRESSOR MEANS, COMBUSTION EQUIPMENT, TURBINE MEANS CONNECTED TO DRIVE THE COMPRESSOR MEANS AND MEANS FOR VARYING THE FLOW OF FUEL TO THE COMBUSTION EQUIPMENT, AND EACH ARRANGED TO DISCHARGE ITS GAS EFFLUX INTO A COMMON PLENUM CHAMBER, SAID CHAMBER HAVING AT LEAST ONE VARIABLE OUTLET NOZZLE, AT LEAST ONE POWER TURBINE CONNECTED TO BE DRIVEN BY GAS DISCHARGING THROUGH SAID VARIABLE OUTLET NOZZLE, CONTROL APPARATUS COMPRISING: MEANS FOR SENSING A DERIVED PRESSURE WHICH IS FUNCTIONALLY RELATED TO THE DELIVERY PRESSURE HAVING THE HIGHEST VALUE AMONG THE DELIVERY PRESSURES OF ALL THE COMPRESSOR MEANS,
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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |