US3280560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft jet propulsion power plant
Assignee: Bristol Siddeley Engines Ltd
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Filing: 1964-10-26
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Granted: 1966-10-25
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Expires: 1984-10-26
Abstract
No abstract record available.
Inventors
- 👤 Marchant Francis Charles Ivor
- 👤 Robinson Samuel
- 👤 Clark Frederick Ivens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:24
CPC Classifications
F; F02; F02K; F02K3/00; F02K3/02; F02K3/025; B; B64; B64C; B64C29/00; B64C29/0008; B64C29/0041; B64C29/0066
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
196 words
AN AIRCRAFT POWER PLANT COMPRISING A GAS TURBINE ENGINE INCLUDING A JET PIPE FOR THE TURBINE EXHAUST GAS WHICH TERMINATES IN A JET NOZZLE FOR NORMAL FORWARD PROPULSION, AN AXIAL FLOW ADDITIONAL COMPRESSOR DRIVEN BY THE ENGINE, A BY-PASS AIR DUCT AT LEAST PARTLY SURROUNDING THE ENGINE AND ITS JET PIPE AND COMMUNICATING AT ITS UPSTREAM END WITH THE ADDITIONAL COMPRESSOR AND ARRANGED TO DISCHARGE THROUGH ITS DOWNSTREAM END FOR NORMAL FORWARD PROPULSION, AN AUXILIARY COMBUSTION SYSTEM FOR BURNING FUEL IN THE AIR IN THE BY-PASS DUCT, AT LEAST ONE ALTERNATIVE OUTLET IN THE OUTER WALL OF THE BY-PASS DUCT DOWNSTREAM OF THE AUXILIARY COMBUSTION SYSTEM AND COMMUNICATING WITH A BRANCH DISCHARGE DUCT, VALVE MEANS MOVABLE BETWEEN A POSITION IN WHICH IT CLOSES THE ALTERNATIVE OUTLET AND A POSITION IN WHICH IT DIVERTS THE FLOW FROM THE BY-PASS DUCT THROUGH THE ALTERNATIVE OUTLET, AT LEAST ONE FURTHER ALTERNATIVE OUTLET IN THE WALL OF THE JET PIPE AND COMMUNICATING WITH A FURTHER BRANCH DISCHARGE DUCT, AND FURTHER VALVE MEANS MOVABLE BETWEEN A POSITION IN WHICH IT CLOSES THE FURTHER ALTERNATIVE OUTLET AND A POSITION IN WHICH IT DIVERTS THE TURBINE EXHAUST GAS THROUGH THE FURTHER ALTERNATIVE OUTLET.
Claim 2
Dependent Claim
196 words
AN AIRCRAFT POWER PLANT COMPRISING A GAS TURBINE ENGINE INCLUDING A JET PIPE FOR THE TURBINE EXHAUST GAS WHICH TERMINATES IN A JET NOZZLE FOR NORMAL FORWARD PROPULSION, AN AXIAL FLOW ADDITIONAL COMPRESSOR DRIVEN BY THE ENGINE, A BY-PASS AIR DUCT AT LEAST PARTLY SURROUNDING THE ENGINE AND ITS JET PIPE AND COMMUNICATING AT ITS UPSTREAM END WITH THE ADDITIONAL COMPRESSOR AND ARRANGED TO DISCHARGE THROUGH ITS DOWNSTREAM END FOR NORMAL FORWARD PROPULSION, AN AUXILIARY COMBUSTION SYSTEM FOR BURNING FUEL IN THE AIR IN THE BY-PASS DUCT, AT LEAST ONE ALTERNATIVE OUTLET IN THE OUTER WALL OF THE BY-PASS DUCT DOWNSTREAM OF THE AUXILIARY COMBUSTION SYSTEM AND COMMUNICATING WITH A BRANCH DISCHARGE DUCT, VALVE MEANS MOVABLE BETWEEN A POSITION IN WHICH IT CLOSES THE ALTERNATIVE OUTLET AND A POSITION IN WHICH IT DIVERTS THE FLOW FROM THE BY-PASS DUCT THROUGH THE ALTERNATIVE OUTLET, AT LEAST ONE FURTHER ALTERNATIVE OUTLET IN THE WALL OF THE JET PIPE AND COMMUNICATING WITH A FURTHER BRANCH DISCHARGE DUCT, AND FURTHER VALVE MEANS MOVABLE BETWEEN A POSITION IN WHICH IT CLOSES THE FURTHER ALTERNATIVE OUTLET AND A POSITION IN WHICH IT DIVERTS THE TURBINE EXHAUST GAS THROUGH THE FURTHER ALTERNATIVE OUTLET.
References Cited (Backward Citations)
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Cited
GB881967A
Cited
US3130543A
Cited
US3097484A
Cited
US3167911A
Cited
US3181293A
Cited
US3117750A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |