US3318095A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet propulsion plant for aircraft with gas turbine engine and with fan driven by exhaust of such engine
Assignee: Bristol Siddeley Engines Ltd
•
Filing: 1965-05-07
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Granted: 1967-05-09
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Expires: 1985-05-07
Abstract
No abstract record available.
Inventors
- 👤 Snell Leonard Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:38
CPC Classifications
B; B64; B64C; B64C29/00; B64C29/0008; B64C29/0041; B64C29/0066
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A JET PROPULSION POWER PLANT COMPRISING A GAS TURBINE ENGINE, A FAN SUPPORTED FOR ROTATION ABOUT A FIXED AXIS SUBSTANTIALLY PARALLEL TO THAT OF THE ENGINE, A SECOND TURBINE, A SHAFT DRIVINGLY CONNECTING THE SECOND TURBINE TO THE FAN, A MAIN DUCT FOR THE EXHAUST FROM THE ENGINE, A SECOND DUCT CONTAINING THE SECOND TURBINE, MEANS FOR DIVERTING THE GASES FROM THE MAIN DUCT INTO THE SECOND DUCT TO DRIVE THE SECOND TURBINE, A THIRD DUCT CONTAINING THE FAN AND HAVING AN INLET THEREINTO AND AN OUTLET THEREFROM, MEANS FOR CLOSING THE INLET, AND MEANS FOR VARYING THE DIRECTION OF DISCHARGE FROM THE OUTLET.
Claim 2
Dependent Claim
104 words
A JET PROPULSION POWER PLANT COMPRISING A GAS TURBINE ENGINE, A FAN SUPPORTED FOR ROTATION ABOUT A FIXED AXIS SUBSTANTIALLY PARALLEL TO THAT OF THE ENGINE, A SECOND TURBINE, A SHAFT DRIVINGLY CONNECTING THE SECOND TURBINE TO THE FAN, A MAIN DUCT FOR THE EXHAUST FROM THE ENGINE, A SECOND DUCT CONTAINING THE SECOND TURBINE, MEANS FOR DIVERTING THE GASES FROM THE MAIN DUCT INTO THE SECOND DUCT TO DRIVE THE SECOND TURBINE, A THIRD DUCT CONTAINING THE FAN AND HAVING AN INLET THEREINTO AND AN OUTLET THEREFROM, MEANS FOR CLOSING THE INLET, AND MEANS FOR VARYING THE DIRECTION OF DISCHARGE FROM THE OUTLET.
References Cited (Backward Citations)
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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) | 1970-05-08 | 1970-11-07 | 1971-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-08 | 1974-11-07 | 1975-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-08 | 1978-11-07 | 1979-05-09 | $7700.00 | Window Closed / Lapsed |