US3279191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas turbine power plant
Assignee: Rolls Royce PLC
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Filing: 1963-12-06
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Granted: 1966-10-18
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Expires: 1983-12-06
Abstract
No abstract record available.
Inventors
- 👤 Keenan John Gregory
- 👤 Palfreyman Jack
- 👤 Holliday John Bertram
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:07
CPC Classifications
B; B64; B64D; B64D27/00; B64D27/02; B64D27/16; B64D27/20; F; F02; F02K; F02K3/00; F02K3/12; F02K7/00; F02K7/10; F02K7/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
GAS TURBINE POWER PLANT COMPRISING A MAIN GAS TURBINE ENGINE OPERATIVE AT SUBSONIC AND SUPERSONIC SPEEDS, SAID ENGINE HAVING AN EXHAUST DUCT, A MAIN AIR INTAKE WHICH IS ARRANGED TO SUPPLY TO MAIN GAS TURBINE ENGINE WITH AIR AND WHICH IS ADAPTED FOR USE AT SUPERSONIC SPEEDS, A PLURALITY OF AUXILIARY GAS TURBINE ENGINES OPERATIVE AT SUBSONIC SPEEDS, MEANS FOR DIRECTING THE EXHAUST GASES OF ALL THE AUXILIARY ENGINES INTO THE EXHAUST DUCT OF THE MAIN ENGINE, RESPECTIVE CONDUITS WHICH ARE RESPECTIVELY ARRANGED TO SUPPLY THE AUXILIARY ENGINES WITH AIR AND WHICH COMMUNICATE WITH THE MAIN AIR INTAKE, AND RESPECTIVE VALVE MEANS FOR CONTROLLING THE AIR FLOW THROUGH EACH SAID CONDUIT, SAID VALVE MEANS BEING ADAPTED TO BE OPENED AND CLOSED SO AS RESPECTIVELY TO PERMIT AND PREVENT THE FLOW
Claim 2
Dependent Claim
130 words
GAS TURBINE POWER PLANT COMPRISING A MAIN GAS TURBINE ENGINE OPERATIVE AT SUBSONIC AND SUPERSONIC SPEEDS, SAID ENGINE HAVING AN EXHAUST DUCT, A MAIN AIR INTAKE WHICH IS ARRANGED TO SUPPLY TO MAIN GAS TURBINE ENGINE WITH AIR AND WHICH IS ADAPTED FOR USE AT SUPERSONIC SPEEDS, A PLURALITY OF AUXILIARY GAS TURBINE ENGINES OPERATIVE AT SUBSONIC SPEEDS, MEANS FOR DIRECTING THE EXHAUST GASES OF ALL THE AUXILIARY ENGINES INTO THE EXHAUST DUCT OF THE MAIN ENGINE, RESPECTIVE CONDUITS WHICH ARE RESPECTIVELY ARRANGED TO SUPPLY THE AUXILIARY ENGINES WITH AIR AND WHICH COMMUNICATE WITH THE MAIN AIR INTAKE, AND RESPECTIVE VALVE MEANS FOR CONTROLLING THE AIR FLOW THROUGH EACH SAID CONDUIT, SAID VALVE MEANS BEING ADAPTED TO BE OPENED AND CLOSED SO AS RESPECTIVELY TO PERMIT AND PREVENT THE FLOW
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) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |